diff options
Diffstat (limited to 'drivers/acpi/executer')
24 files changed, 0 insertions, 12598 deletions
diff --git a/drivers/acpi/executer/Makefile b/drivers/acpi/executer/Makefile deleted file mode 100644 index e09998aa012f..000000000000 --- a/drivers/acpi/executer/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# -# Makefile for all Linux ACPI interpreter subdirectories -# - -obj-y := exconfig.o exfield.o exnames.o exoparg6.o exresolv.o exstorob.o\ - exconvrt.o exfldio.o exoparg1.o exprep.o exresop.o exsystem.o\ - excreate.o exmisc.o exoparg2.o exregion.o exstore.o exutils.o \ - exdump.o exmutex.o exoparg3.o exresnte.o exstoren.o - -EXTRA_CFLAGS += $(ACPI_CFLAGS) diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c deleted file mode 100644 index be32d0105fe2..000000000000 --- a/drivers/acpi/executer/exconfig.c +++ /dev/null @@ -1,536 +0,0 @@ -/****************************************************************************** - * - * Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes) - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/acnamesp.h> -#include <acpi/actables.h> -#include <acpi/acdispat.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exconfig") - -/* Local prototypes */ -static acpi_status -acpi_ex_add_table(u32 table_index, - struct acpi_namespace_node *parent_node, - union acpi_operand_object **ddb_handle); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_add_table - * - * PARAMETERS: Table - Pointer to raw table - * parent_node - Where to load the table (scope) - * ddb_handle - Where to return the table handle. - * - * RETURN: Status - * - * DESCRIPTION: Common function to Install and Load an ACPI table with a - * returned table handle. - * - ******************************************************************************/ - -static acpi_status -acpi_ex_add_table(u32 table_index, - struct acpi_namespace_node *parent_node, - union acpi_operand_object **ddb_handle) -{ - acpi_status status; - union acpi_operand_object *obj_desc; - - ACPI_FUNCTION_TRACE(ex_add_table); - - /* Create an object to be the table handle */ - - obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE); - if (!obj_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Init the table handle */ - - obj_desc->reference.class = ACPI_REFCLASS_TABLE; - *ddb_handle = obj_desc; - - /* Install the new table into the local data structures */ - - obj_desc->reference.value = table_index; - - /* Add the table to the namespace */ - - status = acpi_ns_load_table(table_index, parent_node); - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference(obj_desc); - *ddb_handle = NULL; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_load_table_op - * - * PARAMETERS: walk_state - Current state with operands - * return_desc - Where to store the return object - * - * RETURN: Status - * - * DESCRIPTION: Load an ACPI table from the RSDT/XSDT - * - ******************************************************************************/ - -acpi_status -acpi_ex_load_table_op(struct acpi_walk_state *walk_state, - union acpi_operand_object **return_desc) -{ - acpi_status status; - union acpi_operand_object **operand = &walk_state->operands[0]; - struct acpi_namespace_node *parent_node; - struct acpi_namespace_node *start_node; - struct acpi_namespace_node *parameter_node = NULL; - union acpi_operand_object *ddb_handle; - struct acpi_table_header *table; - u32 table_index; - - ACPI_FUNCTION_TRACE(ex_load_table_op); - - /* Validate lengths for the signature_string, OEMIDString, OEMtable_iD */ - - if ((operand[0]->string.length > ACPI_NAME_SIZE) || - (operand[1]->string.length > ACPI_OEM_ID_SIZE) || - (operand[2]->string.length > ACPI_OEM_TABLE_ID_SIZE)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Find the ACPI table in the RSDT/XSDT */ - - status = acpi_tb_find_table(operand[0]->string.pointer, - operand[1]->string.pointer, - operand[2]->string.pointer, &table_index); - if (ACPI_FAILURE(status)) { - if (status != AE_NOT_FOUND) { - return_ACPI_STATUS(status); - } - - /* Table not found, return an Integer=0 and AE_OK */ - - ddb_handle = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!ddb_handle) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - ddb_handle->integer.value = 0; - *return_desc = ddb_handle; - - return_ACPI_STATUS(AE_OK); - } - - /* Default nodes */ - - start_node = walk_state->scope_info->scope.node; - parent_node = acpi_gbl_root_node; - - /* root_path (optional parameter) */ - - if (operand[3]->string.length > 0) { - /* - * Find the node referenced by the root_path_string. This is the - * location within the namespace where the table will be loaded. - */ - status = - acpi_ns_get_node(start_node, operand[3]->string.pointer, - ACPI_NS_SEARCH_PARENT, &parent_node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - /* parameter_path (optional parameter) */ - - if (operand[4]->string.length > 0) { - if ((operand[4]->string.pointer[0] != '\\') && - (operand[4]->string.pointer[0] != '^')) { - /* - * Path is not absolute, so it will be relative to the node - * referenced by the root_path_string (or the NS root if omitted) - */ - start_node = parent_node; - } - - /* Find the node referenced by the parameter_path_string */ - - status = - acpi_ns_get_node(start_node, operand[4]->string.pointer, - ACPI_NS_SEARCH_PARENT, ¶meter_node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - /* Load the table into the namespace */ - - status = acpi_ex_add_table(table_index, parent_node, &ddb_handle); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Parameter Data (optional) */ - - if (parameter_node) { - - /* Store the parameter data into the optional parameter object */ - - status = acpi_ex_store(operand[5], - ACPI_CAST_PTR(union acpi_operand_object, - parameter_node), - walk_state); - if (ACPI_FAILURE(status)) { - (void)acpi_ex_unload_table(ddb_handle); - return_ACPI_STATUS(status); - } - } - - status = acpi_get_table_by_index(table_index, &table); - if (ACPI_SUCCESS(status)) { - ACPI_INFO((AE_INFO, - "Dynamic OEM Table Load - [%.4s] OemId [%.6s] OemTableId [%.8s]", - table->signature, table->oem_id, - table->oem_table_id)); - } - - /* Invoke table handler if present */ - - if (acpi_gbl_table_handler) { - (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, table, - acpi_gbl_table_handler_context); - } - - *return_desc = ddb_handle; - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_load_op - * - * PARAMETERS: obj_desc - Region or Buffer/Field where the table will be - * obtained - * Target - Where a handle to the table will be stored - * walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Load an ACPI table from a field or operation region - * - * NOTE: Region Fields (Field, bank_field, index_fields) are resolved to buffer - * objects before this code is reached. - * - * If source is an operation region, it must refer to system_memory, as - * per the ACPI specification. - * - ******************************************************************************/ - -acpi_status -acpi_ex_load_op(union acpi_operand_object *obj_desc, - union acpi_operand_object *target, - struct acpi_walk_state *walk_state) -{ - union acpi_operand_object *ddb_handle; - struct acpi_table_header *table; - struct acpi_table_desc table_desc; - u32 table_index; - acpi_status status; - u32 length; - - ACPI_FUNCTION_TRACE(ex_load_op); - - ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc)); - - /* Source Object can be either an op_region or a Buffer/Field */ - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_REGION: - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Load table from Region %p\n", obj_desc)); - - /* Region must be system_memory (from ACPI spec) */ - - if (obj_desc->region.space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) { - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* - * If the Region Address and Length have not been previously evaluated, - * evaluate them now and save the results. - */ - if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) { - status = acpi_ds_get_region_arguments(obj_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - /* - * Map the table header and get the actual table length. The region - * length is not guaranteed to be the same as the table length. - */ - table = acpi_os_map_memory(obj_desc->region.address, - sizeof(struct acpi_table_header)); - if (!table) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - length = table->length; - acpi_os_unmap_memory(table, sizeof(struct acpi_table_header)); - - /* Must have at least an ACPI table header */ - - if (length < sizeof(struct acpi_table_header)) { - return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); - } - - /* - * The memory region is not guaranteed to remain stable and we must - * copy the table to a local buffer. For example, the memory region - * is corrupted after suspend on some machines. Dynamically loaded - * tables are usually small, so this overhead is minimal. - */ - - /* Allocate a buffer for the table */ - - table_desc.pointer = ACPI_ALLOCATE(length); - if (!table_desc.pointer) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Map the entire table and copy it */ - - table = acpi_os_map_memory(obj_desc->region.address, length); - if (!table) { - ACPI_FREE(table_desc.pointer); - return_ACPI_STATUS(AE_NO_MEMORY); - } - - ACPI_MEMCPY(table_desc.pointer, table, length); - acpi_os_unmap_memory(table, length); - - table_desc.address = obj_desc->region.address; - break; - - case ACPI_TYPE_BUFFER: /* Buffer or resolved region_field */ - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Load table from Buffer or Field %p\n", - obj_desc)); - - /* Must have at least an ACPI table header */ - - if (obj_desc->buffer.length < sizeof(struct acpi_table_header)) { - return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); - } - - /* Get the actual table length from the table header */ - - table = - ACPI_CAST_PTR(struct acpi_table_header, - obj_desc->buffer.pointer); - length = table->length; - - /* Table cannot extend beyond the buffer */ - - if (length > obj_desc->buffer.length) { - return_ACPI_STATUS(AE_AML_BUFFER_LIMIT); - } - if (length < sizeof(struct acpi_table_header)) { - return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); - } - - /* - * Copy the table from the buffer because the buffer could be modified - * or even deleted in the future - */ - table_desc.pointer = ACPI_ALLOCATE(length); - if (!table_desc.pointer) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - ACPI_MEMCPY(table_desc.pointer, table, length); - table_desc.address = ACPI_TO_INTEGER(table_desc.pointer); - break; - - default: - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* Validate table checksum (will not get validated in tb_add_table) */ - - status = acpi_tb_verify_checksum(table_desc.pointer, length); - if (ACPI_FAILURE(status)) { - ACPI_FREE(table_desc.pointer); - return_ACPI_STATUS(status); - } - - /* Complete the table descriptor */ - - table_desc.length = length; - table_desc.flags = ACPI_TABLE_ORIGIN_ALLOCATED; - - /* Install the new table into the local data structures */ - - status = acpi_tb_add_table(&table_desc, &table_index); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* - * Add the table to the namespace. - * - * Note: Load the table objects relative to the root of the namespace. - * This appears to go against the ACPI specification, but we do it for - * compatibility with other ACPI implementations. - */ - status = - acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle); - if (ACPI_FAILURE(status)) { - - /* On error, table_ptr was deallocated above */ - - return_ACPI_STATUS(status); - } - - /* Store the ddb_handle into the Target operand */ - - status = acpi_ex_store(ddb_handle, target, walk_state); - if (ACPI_FAILURE(status)) { - (void)acpi_ex_unload_table(ddb_handle); - - /* table_ptr was deallocated above */ - - acpi_ut_remove_reference(ddb_handle); - return_ACPI_STATUS(status); - } - - /* Invoke table handler if present */ - - if (acpi_gbl_table_handler) { - (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, - table_desc.pointer, - acpi_gbl_table_handler_context); - } - - cleanup: - if (ACPI_FAILURE(status)) { - - /* Delete allocated table buffer */ - - acpi_tb_delete_table(&table_desc); - } - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_unload_table - * - * PARAMETERS: ddb_handle - Handle to a previously loaded table - * - * RETURN: Status - * - * DESCRIPTION: Unload an ACPI table - * - ******************************************************************************/ - -acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) -{ - acpi_status status = AE_OK; - union acpi_operand_object *table_desc = ddb_handle; - u32 table_index; - struct acpi_table_header *table; - - ACPI_FUNCTION_TRACE(ex_unload_table); - - /* - * Validate the handle - * Although the handle is partially validated in acpi_ex_reconfiguration(), - * when it calls acpi_ex_resolve_operands(), the handle is more completely - * validated here. - */ - if ((!ddb_handle) || - (ACPI_GET_DESCRIPTOR_TYPE(ddb_handle) != ACPI_DESC_TYPE_OPERAND) || - (ACPI_GET_OBJECT_TYPE(ddb_handle) != ACPI_TYPE_LOCAL_REFERENCE)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Get the table index from the ddb_handle */ - - table_index = table_desc->reference.value; - - /* Invoke table handler if present */ - - if (acpi_gbl_table_handler) { - status = acpi_get_table_by_index(table_index, &table); - if (ACPI_SUCCESS(status)) { - (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_UNLOAD, - table, - acpi_gbl_table_handler_context); - } - } - - /* - * Delete the entire namespace under this table Node - * (Offset contains the table_id) - */ - acpi_tb_delete_namespace_by_owner(table_index); - (void)acpi_tb_release_owner_id(table_index); - - acpi_tb_set_table_loaded_flag(table_index, FALSE); - - /* Table unloaded, remove a reference to the ddb_handle object */ - - acpi_ut_remove_reference(ddb_handle); - return_ACPI_STATUS(AE_OK); -} diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c deleted file mode 100644 index caeead439e8c..000000000000 --- a/drivers/acpi/executer/exconvrt.c +++ /dev/null @@ -1,692 +0,0 @@ -/****************************************************************************** - * - * Module Name: exconvrt - Object conversion routines - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exconvrt") - -/* Local prototypes */ -static u32 -acpi_ex_convert_to_ascii(acpi_integer integer, - u16 base, u8 * string, u8 max_length); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_convert_to_integer - * - * PARAMETERS: obj_desc - Object to be converted. Must be an - * Integer, Buffer, or String - * result_desc - Where the new Integer object is returned - * Flags - Used for string conversion - * - * RETURN: Status - * - * DESCRIPTION: Convert an ACPI Object to an integer. - * - ******************************************************************************/ - -acpi_status -acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc, - union acpi_operand_object **result_desc, u32 flags) -{ - union acpi_operand_object *return_desc; - u8 *pointer; - acpi_integer result; - u32 i; - u32 count; - acpi_status status; - - ACPI_FUNCTION_TRACE_PTR(ex_convert_to_integer, obj_desc); - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_INTEGER: - - /* No conversion necessary */ - - *result_desc = obj_desc; - return_ACPI_STATUS(AE_OK); - - case ACPI_TYPE_BUFFER: - case ACPI_TYPE_STRING: - - /* Note: Takes advantage of common buffer/string fields */ - - pointer = obj_desc->buffer.pointer; - count = obj_desc->buffer.length; - break; - - default: - return_ACPI_STATUS(AE_TYPE); - } - - /* - * Convert the buffer/string to an integer. Note that both buffers and - * strings are treated as raw data - we don't convert ascii to hex for - * strings. - * - * There are two terminating conditions for the loop: - * 1) The size of an integer has been reached, or - * 2) The end of the buffer or string has been reached - */ - result = 0; - - /* String conversion is different than Buffer conversion */ - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_STRING: - - /* - * Convert string to an integer - for most cases, the string must be - * hexadecimal as per the ACPI specification. The only exception (as - * of ACPI 3.0) is that the to_integer() operator allows both decimal - * and hexadecimal strings (hex prefixed with "0x"). - */ - status = acpi_ut_strtoul64((char *)pointer, flags, &result); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - break; - - case ACPI_TYPE_BUFFER: - - /* Check for zero-length buffer */ - - if (!count) { - return_ACPI_STATUS(AE_AML_BUFFER_LIMIT); - } - - /* Transfer no more than an integer's worth of data */ - - if (count > acpi_gbl_integer_byte_width) { - count = acpi_gbl_integer_byte_width; - } - - /* - * Convert buffer to an integer - we simply grab enough raw data - * from the buffer to fill an integer - */ - for (i = 0; i < count; i++) { - /* - * Get next byte and shift it into the Result. - * Little endian is used, meaning that the first byte of the buffer - * is the LSB of the integer - */ - result |= (((acpi_integer) pointer[i]) << (i * 8)); - } - break; - - default: - - /* No other types can get here */ - break; - } - - /* Create a new integer */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64(result))); - - /* Save the Result */ - - return_desc->integer.value = result; - acpi_ex_truncate_for32bit_table(return_desc); - *result_desc = return_desc; - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_convert_to_buffer - * - * PARAMETERS: obj_desc - Object to be converted. Must be an - * Integer, Buffer, or String - * result_desc - Where the new buffer object is returned - * - * RETURN: Status - * - * DESCRIPTION: Convert an ACPI Object to a Buffer - * - ******************************************************************************/ - -acpi_status -acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc, - union acpi_operand_object **result_desc) -{ - union acpi_operand_object *return_desc; - u8 *new_buf; - - ACPI_FUNCTION_TRACE_PTR(ex_convert_to_buffer, obj_desc); - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_BUFFER: - - /* No conversion necessary */ - - *result_desc = obj_desc; - return_ACPI_STATUS(AE_OK); - - case ACPI_TYPE_INTEGER: - - /* - * Create a new Buffer object. - * Need enough space for one integer - */ - return_desc = - acpi_ut_create_buffer_object(acpi_gbl_integer_byte_width); - if (!return_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Copy the integer to the buffer, LSB first */ - - new_buf = return_desc->buffer.pointer; - ACPI_MEMCPY(new_buf, - &obj_desc->integer.value, - acpi_gbl_integer_byte_width); - break; - - case ACPI_TYPE_STRING: - - /* - * Create a new Buffer object - * Size will be the string length - * - * NOTE: Add one to the string length to include the null terminator. - * The ACPI spec is unclear on this subject, but there is existing - * ASL/AML code that depends on the null being transferred to the new - * buffer. - */ - return_desc = acpi_ut_create_buffer_object((acpi_size) - obj_desc->string. - length + 1); - if (!return_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Copy the string to the buffer */ - - new_buf = return_desc->buffer.pointer; - ACPI_STRNCPY((char *)new_buf, (char *)obj_desc->string.pointer, - obj_desc->string.length); - break; - - default: - return_ACPI_STATUS(AE_TYPE); - } - - /* Mark buffer initialized */ - - return_desc->common.flags |= AOPOBJ_DATA_VALID; - *result_desc = return_desc; - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_convert_to_ascii - * - * PARAMETERS: Integer - Value to be converted - * Base - ACPI_STRING_DECIMAL or ACPI_STRING_HEX - * String - Where the string is returned - * data_width - Size of data item to be converted, in bytes - * - * RETURN: Actual string length - * - * DESCRIPTION: Convert an ACPI Integer to a hex or decimal string - * - ******************************************************************************/ - -static u32 -acpi_ex_convert_to_ascii(acpi_integer integer, - u16 base, u8 * string, u8 data_width) -{ - acpi_integer digit; - u32 i; - u32 j; - u32 k = 0; - u32 hex_length; - u32 decimal_length; - u32 remainder; - u8 supress_zeros; - - ACPI_FUNCTION_ENTRY(); - - switch (base) { - case 10: - - /* Setup max length for the decimal number */ - - switch (data_width) { - case 1: - decimal_length = ACPI_MAX8_DECIMAL_DIGITS; - break; - - case 4: - decimal_length = ACPI_MAX32_DECIMAL_DIGITS; - break; - - case 8: - default: - decimal_length = ACPI_MAX64_DECIMAL_DIGITS; - break; - } - - supress_zeros = TRUE; /* No leading zeros */ - remainder = 0; - - for (i = decimal_length; i > 0; i--) { - - /* Divide by nth factor of 10 */ - - digit = integer; - for (j = 0; j < i; j++) { - (void)acpi_ut_short_divide(digit, 10, &digit, - &remainder); - } - - /* Handle leading zeros */ - - if (remainder != 0) { - supress_zeros = FALSE; - } - - if (!supress_zeros) { - string[k] = (u8) (ACPI_ASCII_ZERO + remainder); - k++; - } - } - break; - - case 16: - - /* hex_length: 2 ascii hex chars per data byte */ - - hex_length = ACPI_MUL_2(data_width); - for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) { - - /* Get one hex digit, most significant digits first */ - - string[k] = - (u8) acpi_ut_hex_to_ascii_char(integer, - ACPI_MUL_4(j)); - k++; - } - break; - - default: - return (0); - } - - /* - * Since leading zeros are suppressed, we must check for the case where - * the integer equals 0 - * - * Finally, null terminate the string and return the length - */ - if (!k) { - string[0] = ACPI_ASCII_ZERO; - k = 1; - } - - string[k] = 0; - return ((u32) k); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_convert_to_string - * - * PARAMETERS: obj_desc - Object to be converted. Must be an - * Integer, Buffer, or String - * result_desc - Where the string object is returned - * Type - String flags (base and conversion type) - * - * RETURN: Status - * - * DESCRIPTION: Convert an ACPI Object to a string - * - ******************************************************************************/ - -acpi_status -acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, - union acpi_operand_object ** result_desc, u32 type) -{ - union acpi_operand_object *return_desc; - u8 *new_buf; - u32 i; - u32 string_length = 0; - u16 base = 16; - u8 separator = ','; - - ACPI_FUNCTION_TRACE_PTR(ex_convert_to_string, obj_desc); - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_STRING: - - /* No conversion necessary */ - - *result_desc = obj_desc; - return_ACPI_STATUS(AE_OK); - - case ACPI_TYPE_INTEGER: - - switch (type) { - case ACPI_EXPLICIT_CONVERT_DECIMAL: - - /* Make room for maximum decimal number */ - - string_length = ACPI_MAX_DECIMAL_DIGITS; - base = 10; - break; - - default: - - /* Two hex string characters for each integer byte */ - - string_length = ACPI_MUL_2(acpi_gbl_integer_byte_width); - break; - } - - /* - * Create a new String - * Need enough space for one ASCII integer (plus null terminator) - */ - return_desc = - acpi_ut_create_string_object((acpi_size) string_length); - if (!return_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - new_buf = return_desc->buffer.pointer; - - /* Convert integer to string */ - - string_length = - acpi_ex_convert_to_ascii(obj_desc->integer.value, base, - new_buf, - acpi_gbl_integer_byte_width); - - /* Null terminate at the correct place */ - - return_desc->string.length = string_length; - new_buf[string_length] = 0; - break; - - case ACPI_TYPE_BUFFER: - - /* Setup string length, base, and separator */ - - switch (type) { - case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string */ - /* - * From ACPI: "If Data is a buffer, it is converted to a string of - * decimal values separated by commas." - */ - base = 10; - - /* - * Calculate the final string length. Individual string values - * are variable length (include separator for each) - */ - for (i = 0; i < obj_desc->buffer.length; i++) { - if (obj_desc->buffer.pointer[i] >= 100) { - string_length += 4; - } else if (obj_desc->buffer.pointer[i] >= 10) { - string_length += 3; - } else { - string_length += 2; - } - } - break; - - case ACPI_IMPLICIT_CONVERT_HEX: - /* - * From the ACPI spec: - *"The entire contents of the buffer are converted to a string of - * two-character hexadecimal numbers, each separated by a space." - */ - separator = ' '; - string_length = (obj_desc->buffer.length * 3); - break; - - case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string */ - /* - * From ACPI: "If Data is a buffer, it is converted to a string of - * hexadecimal values separated by commas." - */ - string_length = (obj_desc->buffer.length * 3); - break; - - default: - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* - * Create a new string object and string buffer - * (-1 because of extra separator included in string_length from above) - * Allow creation of zero-length strings from zero-length buffers. - */ - if (string_length) { - string_length--; - } - - return_desc = acpi_ut_create_string_object((acpi_size) - string_length); - if (!return_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - new_buf = return_desc->buffer.pointer; - - /* - * Convert buffer bytes to hex or decimal values - * (separated by commas or spaces) - */ - for (i = 0; i < obj_desc->buffer.length; i++) { - new_buf += acpi_ex_convert_to_ascii((acpi_integer) - obj_desc->buffer. - pointer[i], base, - new_buf, 1); - *new_buf++ = separator; /* each separated by a comma or space */ - } - - /* - * Null terminate the string - * (overwrites final comma/space from above) - */ - if (obj_desc->buffer.length) { - new_buf--; - } - *new_buf = 0; - break; - - default: - return_ACPI_STATUS(AE_TYPE); - } - - *result_desc = return_desc; - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_convert_to_target_type - * - * PARAMETERS: destination_type - Current type of the destination - * source_desc - Source object to be converted. - * result_desc - Where the converted object is returned - * walk_state - Current method state - * - * RETURN: Status - * - * DESCRIPTION: Implements "implicit conversion" rules for storing an object. - * - ******************************************************************************/ - -acpi_status -acpi_ex_convert_to_target_type(acpi_object_type destination_type, - union acpi_operand_object *source_desc, - union acpi_operand_object **result_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_convert_to_target_type); - - /* Default behavior */ - - *result_desc = source_desc; - - /* - * If required by the target, - * perform implicit conversion on the source before we store it. - */ - switch (GET_CURRENT_ARG_TYPE(walk_state->op_info->runtime_args)) { - case ARGI_SIMPLE_TARGET: - case ARGI_FIXED_TARGET: - case ARGI_INTEGER_REF: /* Handles Increment, Decrement cases */ - - switch (destination_type) { - case ACPI_TYPE_LOCAL_REGION_FIELD: - /* - * Named field can always handle conversions - */ - break; - - default: - /* No conversion allowed for these types */ - - if (destination_type != - ACPI_GET_OBJECT_TYPE(source_desc)) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Explicit operator, will store (%s) over existing type (%s)\n", - acpi_ut_get_object_type_name - (source_desc), - acpi_ut_get_type_name - (destination_type))); - status = AE_TYPE; - } - } - break; - - case ARGI_TARGETREF: - - switch (destination_type) { - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_BUFFER_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - /* - * These types require an Integer operand. We can convert - * a Buffer or a String to an Integer if necessary. - */ - status = - acpi_ex_convert_to_integer(source_desc, result_desc, - 16); - break; - - case ACPI_TYPE_STRING: - /* - * The operand must be a String. We can convert an - * Integer or Buffer if necessary - */ - status = - acpi_ex_convert_to_string(source_desc, result_desc, - ACPI_IMPLICIT_CONVERT_HEX); - break; - - case ACPI_TYPE_BUFFER: - /* - * The operand must be a Buffer. We can convert an - * Integer or String if necessary - */ - status = - acpi_ex_convert_to_buffer(source_desc, result_desc); - break; - - default: - ACPI_ERROR((AE_INFO, - "Bad destination type during conversion: %X", - destination_type)); - status = AE_AML_INTERNAL; - break; - } - break; - - case ARGI_REFERENCE: - /* - * create_xxxx_field cases - we are storing the field object into the name - */ - break; - - default: - ACPI_ERROR((AE_INFO, - "Unknown Target type ID 0x%X AmlOpcode %X DestType %s", - GET_CURRENT_ARG_TYPE(walk_state->op_info-> - runtime_args), - walk_state->opcode, - acpi_ut_get_type_name(destination_type))); - status = AE_AML_INTERNAL; - } - - /* - * Source-to-Target conversion semantics: - * - * If conversion to the target type cannot be performed, then simply - * overwrite the target with the new object and type. - */ - if (status == AE_TYPE) { - status = AE_OK; - } - - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c deleted file mode 100644 index 5aa65a214fc2..000000000000 --- a/drivers/acpi/executer/excreate.c +++ /dev/null @@ -1,522 +0,0 @@ -/****************************************************************************** - * - * Module Name: excreate - Named object creation - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("excreate") -#ifndef ACPI_NO_METHOD_EXECUTION -/******************************************************************************* - * - * FUNCTION: acpi_ex_create_alias - * - * PARAMETERS: walk_state - Current state, contains operands - * - * RETURN: Status - * - * DESCRIPTION: Create a new named alias - * - ******************************************************************************/ -acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state) -{ - struct acpi_namespace_node *target_node; - struct acpi_namespace_node *alias_node; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_create_alias); - - /* Get the source/alias operands (both namespace nodes) */ - - alias_node = (struct acpi_namespace_node *)walk_state->operands[0]; - target_node = (struct acpi_namespace_node *)walk_state->operands[1]; - - if ((target_node->type == ACPI_TYPE_LOCAL_ALIAS) || - (target_node->type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) { - /* - * Dereference an existing alias so that we don't create a chain - * of aliases. With this code, we guarantee that an alias is - * always exactly one level of indirection away from the - * actual aliased name. - */ - target_node = - ACPI_CAST_PTR(struct acpi_namespace_node, - target_node->object); - } - - /* - * For objects that can never change (i.e., the NS node will - * permanently point to the same object), we can simply attach - * the object to the new NS node. For other objects (such as - * Integers, buffers, etc.), we have to point the Alias node - * to the original Node. - */ - switch (target_node->type) { - - /* For these types, the sub-object can change dynamically via a Store */ - - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - case ACPI_TYPE_PACKAGE: - case ACPI_TYPE_BUFFER_FIELD: - - /* - * These types open a new scope, so we need the NS node in order to access - * any children. - */ - case ACPI_TYPE_DEVICE: - case ACPI_TYPE_POWER: - case ACPI_TYPE_PROCESSOR: - case ACPI_TYPE_THERMAL: - case ACPI_TYPE_LOCAL_SCOPE: - - /* - * The new alias has the type ALIAS and points to the original - * NS node, not the object itself. - */ - alias_node->type = ACPI_TYPE_LOCAL_ALIAS; - alias_node->object = - ACPI_CAST_PTR(union acpi_operand_object, target_node); - break; - - case ACPI_TYPE_METHOD: - - /* - * Control method aliases need to be differentiated - */ - alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS; - alias_node->object = - ACPI_CAST_PTR(union acpi_operand_object, target_node); - break; - - default: - - /* Attach the original source object to the new Alias Node */ - - /* - * The new alias assumes the type of the target, and it points - * to the same object. The reference count of the object has an - * additional reference to prevent deletion out from under either the - * target node or the alias Node - */ - status = acpi_ns_attach_object(alias_node, - acpi_ns_get_attached_object - (target_node), - target_node->type); - break; - } - - /* Since both operands are Nodes, we don't need to delete them */ - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_create_event - * - * PARAMETERS: walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Create a new event object - * - ******************************************************************************/ - -acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state) -{ - acpi_status status; - union acpi_operand_object *obj_desc; - - ACPI_FUNCTION_TRACE(ex_create_event); - - obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_EVENT); - if (!obj_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* - * Create the actual OS semaphore, with zero initial units -- meaning - * that the event is created in an unsignalled state - */ - status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0, - &obj_desc->event.os_semaphore); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* Attach object to the Node */ - - status = - acpi_ns_attach_object((struct acpi_namespace_node *)walk_state-> - operands[0], obj_desc, ACPI_TYPE_EVENT); - - cleanup: - /* - * Remove local reference to the object (on error, will cause deletion - * of both object and semaphore if present.) - */ - acpi_ut_remove_reference(obj_desc); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_create_mutex - * - * PARAMETERS: walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Create a new mutex object - * - * Mutex (Name[0], sync_level[1]) - * - ******************************************************************************/ - -acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - union acpi_operand_object *obj_desc; - - ACPI_FUNCTION_TRACE_PTR(ex_create_mutex, ACPI_WALK_OPERANDS); - - /* Create the new mutex object */ - - obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_MUTEX); - if (!obj_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* Create the actual OS Mutex */ - - status = acpi_os_create_mutex(&obj_desc->mutex.os_mutex); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* Init object and attach to NS node */ - - obj_desc->mutex.sync_level = - (u8) walk_state->operands[1]->integer.value; - obj_desc->mutex.node = - (struct acpi_namespace_node *)walk_state->operands[0]; - - status = - acpi_ns_attach_object(obj_desc->mutex.node, obj_desc, - ACPI_TYPE_MUTEX); - - cleanup: - /* - * Remove local reference to the object (on error, will cause deletion - * of both object and semaphore if present.) - */ - acpi_ut_remove_reference(obj_desc); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_create_region - * - * PARAMETERS: aml_start - Pointer to the region declaration AML - * aml_length - Max length of the declaration AML - * region_space - space_iD for the region - * walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Create a new operation region object - * - ******************************************************************************/ - -acpi_status -acpi_ex_create_region(u8 * aml_start, - u32 aml_length, - u8 region_space, struct acpi_walk_state *walk_state) -{ - acpi_status status; - union acpi_operand_object *obj_desc; - struct acpi_namespace_node *node; - union acpi_operand_object *region_obj2; - - ACPI_FUNCTION_TRACE(ex_create_region); - - /* Get the Namespace Node */ - - node = walk_state->op->common.node; - - /* - * If the region object is already attached to this node, - * just return - */ - if (acpi_ns_get_attached_object(node)) { - return_ACPI_STATUS(AE_OK); - } - - /* - * Space ID must be one of the predefined IDs, or in the user-defined - * range - */ - if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) && - (region_space < ACPI_USER_REGION_BEGIN)) { - ACPI_ERROR((AE_INFO, "Invalid AddressSpace type %X", - region_space)); - return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID); - } - - ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Region Type - %s (%X)\n", - acpi_ut_get_region_name(region_space), region_space)); - - /* Create the region descriptor */ - - obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_REGION); - if (!obj_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* - * Remember location in AML stream of address & length - * operands since they need to be evaluated at run time. - */ - region_obj2 = obj_desc->common.next_object; - region_obj2->extra.aml_start = aml_start; - region_obj2->extra.aml_length = aml_length; - - /* Init the region from the operands */ - - obj_desc->region.space_id = region_space; - obj_desc->region.address = 0; - obj_desc->region.length = 0; - obj_desc->region.node = node; - - /* Install the new region object in the parent Node */ - - status = acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_REGION); - - cleanup: - - /* Remove local reference to the object */ - - acpi_ut_remove_reference(obj_desc); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_create_processor - * - * PARAMETERS: walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Create a new processor object and populate the fields - * - * Processor (Name[0], cpu_iD[1], pblock_addr[2], pblock_length[3]) - * - ******************************************************************************/ - -acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *obj_desc; - acpi_status status; - - ACPI_FUNCTION_TRACE_PTR(ex_create_processor, walk_state); - - /* Create the processor object */ - - obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PROCESSOR); - if (!obj_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Initialize the processor object from the operands */ - - obj_desc->processor.proc_id = (u8) operand[1]->integer.value; - obj_desc->processor.length = (u8) operand[3]->integer.value; - obj_desc->processor.address = - (acpi_io_address) operand[2]->integer.value; - - /* Install the processor object in the parent Node */ - - status = acpi_ns_attach_object((struct acpi_namespace_node *)operand[0], - obj_desc, ACPI_TYPE_PROCESSOR); - - /* Remove local reference to the object */ - - acpi_ut_remove_reference(obj_desc); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_create_power_resource - * - * PARAMETERS: walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Create a new power_resource object and populate the fields - * - * power_resource (Name[0], system_level[1], resource_order[2]) - * - ******************************************************************************/ - -acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - acpi_status status; - union acpi_operand_object *obj_desc; - - ACPI_FUNCTION_TRACE_PTR(ex_create_power_resource, walk_state); - - /* Create the power resource object */ - - obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_POWER); - if (!obj_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Initialize the power object from the operands */ - - obj_desc->power_resource.system_level = (u8) operand[1]->integer.value; - obj_desc->power_resource.resource_order = - (u16) operand[2]->integer.value; - - /* Install the power resource object in the parent Node */ - - status = acpi_ns_attach_object((struct acpi_namespace_node *)operand[0], - obj_desc, ACPI_TYPE_POWER); - - /* Remove local reference to the object */ - - acpi_ut_remove_reference(obj_desc); - return_ACPI_STATUS(status); -} -#endif - -/******************************************************************************* - * - * FUNCTION: acpi_ex_create_method - * - * PARAMETERS: aml_start - First byte of the method's AML - * aml_length - AML byte count for this method - * walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Create a new method object - * - ******************************************************************************/ - -acpi_status -acpi_ex_create_method(u8 * aml_start, - u32 aml_length, struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *obj_desc; - acpi_status status; - u8 method_flags; - - ACPI_FUNCTION_TRACE_PTR(ex_create_method, walk_state); - - /* Create a new method object */ - - obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_METHOD); - if (!obj_desc) { - status = AE_NO_MEMORY; - goto exit; - } - - /* Save the method's AML pointer and length */ - - obj_desc->method.aml_start = aml_start; - obj_desc->method.aml_length = aml_length; - - /* - * Disassemble the method flags. Split off the Arg Count - * for efficiency - */ - method_flags = (u8) operand[1]->integer.value; - - obj_desc->method.method_flags = - (u8) (method_flags & ~AML_METHOD_ARG_COUNT); - obj_desc->method.param_count = - (u8) (method_flags & AML_METHOD_ARG_COUNT); - - /* - * Get the sync_level. If method is serialized, a mutex will be - * created for this method when it is parsed. - */ - if (method_flags & AML_METHOD_SERIALIZED) { - /* - * ACPI 1.0: sync_level = 0 - * ACPI 2.0: sync_level = sync_level in method declaration - */ - obj_desc->method.sync_level = (u8) - ((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4); - } - - /* Attach the new object to the method Node */ - - status = acpi_ns_attach_object((struct acpi_namespace_node *)operand[0], - obj_desc, ACPI_TYPE_METHOD); - - /* Remove local reference to the object */ - - acpi_ut_remove_reference(obj_desc); - - exit: - /* Remove a reference to the operand */ - - acpi_ut_remove_reference(operand[1]); - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c deleted file mode 100644 index 8241b9eff6c1..000000000000 --- a/drivers/acpi/executer/exdump.c +++ /dev/null @@ -1,1060 +0,0 @@ -/****************************************************************************** - * - * Module Name: exdump - Interpreter debug output routines - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exdump") - -/* - * The following routines are used for debug output only - */ -#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) -/* Local prototypes */ -static void acpi_ex_out_string(char *title, char *value); - -static void acpi_ex_out_pointer(char *title, void *value); - -static void -acpi_ex_dump_object(union acpi_operand_object *obj_desc, - struct acpi_exdump_info *info); - -static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc); - -static void -acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc, - u32 level, u32 index); - -/******************************************************************************* - * - * Object Descriptor info tables - * - * Note: The first table entry must be an INIT opcode and must contain - * the table length (number of table entries) - * - ******************************************************************************/ - -static struct acpi_exdump_info acpi_ex_dump_integer[2] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_integer), NULL}, - {ACPI_EXD_UINT64, ACPI_EXD_OFFSET(integer.value), "Value"} -}; - -static struct acpi_exdump_info acpi_ex_dump_string[4] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_string), NULL}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(string.length), "Length"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(string.pointer), "Pointer"}, - {ACPI_EXD_STRING, 0, NULL} -}; - -static struct acpi_exdump_info acpi_ex_dump_buffer[5] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer), NULL}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(buffer.length), "Length"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.pointer), "Pointer"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer.node), "Parent Node"}, - {ACPI_EXD_BUFFER, 0, NULL} -}; - -static struct acpi_exdump_info acpi_ex_dump_package[5] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_package), NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(package.flags), "Flags"}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Elements"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(package.elements), "Element List"}, - {ACPI_EXD_PACKAGE, 0, NULL} -}; - -static struct acpi_exdump_info acpi_ex_dump_device[4] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_device), NULL}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.handler), "Handler"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.system_notify), - "System Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.device_notify), - "Device Notify"} -}; - -static struct acpi_exdump_info acpi_ex_dump_event[2] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_event), NULL}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.os_semaphore), "OsSemaphore"} -}; - -static struct acpi_exdump_info acpi_ex_dump_method[8] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "ParamCount"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"} -}; - -static struct acpi_exdump_info acpi_ex_dump_mutex[5] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"}, - {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth), - "Acquire Depth"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"} -}; - -static struct acpi_exdump_info acpi_ex_dump_region[7] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region), NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.space_id), "Space Id"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(region.flags), "Flags"}, - {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(region.address), "Address"}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(region.length), "Length"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.handler), "Handler"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(region.next), "Next"} -}; - -static struct acpi_exdump_info acpi_ex_dump_power[5] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_power), NULL}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.system_level), - "System Level"}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.resource_order), - "Resource Order"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.system_notify), - "System Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.device_notify), - "Device Notify"} -}; - -static struct acpi_exdump_info acpi_ex_dump_processor[7] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_processor), NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"}, - {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.system_notify), - "System Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.device_notify), - "Device Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.handler), "Handler"} -}; - -static struct acpi_exdump_info acpi_ex_dump_thermal[4] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_thermal), NULL}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.system_notify), - "System Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.device_notify), - "Device Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.handler), "Handler"} -}; - -static struct acpi_exdump_info acpi_ex_dump_buffer_field[3] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_buffer_field), NULL}, - {ACPI_EXD_FIELD, 0, NULL}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(buffer_field.buffer_obj), - "Buffer Object"} -}; - -static struct acpi_exdump_info acpi_ex_dump_region_field[3] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region_field), NULL}, - {ACPI_EXD_FIELD, 0, NULL}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"} -}; - -static struct acpi_exdump_info acpi_ex_dump_bank_field[5] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL}, - {ACPI_EXD_FIELD, 0, NULL}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(bank_field.value), "Value"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.region_obj), - "Region Object"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(bank_field.bank_obj), "Bank Object"} -}; - -static struct acpi_exdump_info acpi_ex_dump_index_field[5] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_bank_field), NULL}, - {ACPI_EXD_FIELD, 0, NULL}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(index_field.value), "Value"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.index_obj), - "Index Object"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.data_obj), "Data Object"} -}; - -static struct acpi_exdump_info acpi_ex_dump_reference[8] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.class), "Class"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.value), "Value"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.node), "Node"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.where), "Where"}, - {ACPI_EXD_REFERENCE, 0, NULL} -}; - -static struct acpi_exdump_info acpi_ex_dump_address_handler[6] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_address_handler), - NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(address_space.space_id), "Space Id"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.next), "Next"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.region_list), - "Region List"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.node), "Node"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.context), "Context"} -}; - -static struct acpi_exdump_info acpi_ex_dump_notify[3] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_notify), NULL}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.node), "Node"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"} -}; - -/* Miscellaneous tables */ - -static struct acpi_exdump_info acpi_ex_dump_common[4] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_common), NULL}, - {ACPI_EXD_TYPE, 0, NULL}, - {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(common.reference_count), - "Reference Count"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common.flags), "Flags"} -}; - -static struct acpi_exdump_info acpi_ex_dump_field_common[7] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_field_common), NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.field_flags), - "Field Flags"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.access_byte_width), - "Access Byte Width"}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.bit_length), - "Bit Length"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(common_field.start_field_bit_offset), - "Field Bit Offset"}, - {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(common_field.base_byte_offset), - "Base Byte Offset"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"} -}; - -static struct acpi_exdump_info acpi_ex_dump_node[5] = { - {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL}, - {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"}, - {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"}, - {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"}, - {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"} -}; - -/* Dispatch table, indexed by object type */ - -static struct acpi_exdump_info *acpi_ex_dump_info[] = { - NULL, - acpi_ex_dump_integer, - acpi_ex_dump_string, - acpi_ex_dump_buffer, - acpi_ex_dump_package, - NULL, - acpi_ex_dump_device, - acpi_ex_dump_event, - acpi_ex_dump_method, - acpi_ex_dump_mutex, - acpi_ex_dump_region, - acpi_ex_dump_power, - acpi_ex_dump_processor, - acpi_ex_dump_thermal, - acpi_ex_dump_buffer_field, - NULL, - NULL, - acpi_ex_dump_region_field, - acpi_ex_dump_bank_field, - acpi_ex_dump_index_field, - acpi_ex_dump_reference, - NULL, - NULL, - acpi_ex_dump_notify, - acpi_ex_dump_address_handler, - NULL, - NULL, - NULL -}; - -/******************************************************************************* - * - * FUNCTION: acpi_ex_dump_object - * - * PARAMETERS: obj_desc - Descriptor to dump - * Info - Info table corresponding to this object - * type - * - * RETURN: None - * - * DESCRIPTION: Walk the info table for this object - * - ******************************************************************************/ - -static void -acpi_ex_dump_object(union acpi_operand_object *obj_desc, - struct acpi_exdump_info *info) -{ - u8 *target; - char *name; - u8 count; - - if (!info) { - acpi_os_printf - ("ExDumpObject: Display not implemented for object type %s\n", - acpi_ut_get_object_type_name(obj_desc)); - return; - } - - /* First table entry must contain the table length (# of table entries) */ - - count = info->offset; - - while (count) { - target = ACPI_ADD_PTR(u8, obj_desc, info->offset); - name = info->name; - - switch (info->opcode) { - case ACPI_EXD_INIT: - break; - - case ACPI_EXD_TYPE: - acpi_ex_out_string("Type", - acpi_ut_get_object_type_name - (obj_desc)); - break; - - case ACPI_EXD_UINT8: - - acpi_os_printf("%20s : %2.2X\n", name, *target); - break; - - case ACPI_EXD_UINT16: - - acpi_os_printf("%20s : %4.4X\n", name, - ACPI_GET16(target)); - break; - - case ACPI_EXD_UINT32: - - acpi_os_printf("%20s : %8.8X\n", name, - ACPI_GET32(target)); - break; - - case ACPI_EXD_UINT64: - - acpi_os_printf("%20s : %8.8X%8.8X\n", "Value", - ACPI_FORMAT_UINT64(ACPI_GET64(target))); - break; - - case ACPI_EXD_POINTER: - case ACPI_EXD_ADDRESS: - - acpi_ex_out_pointer(name, - *ACPI_CAST_PTR(void *, target)); - break; - - case ACPI_EXD_STRING: - - acpi_ut_print_string(obj_desc->string.pointer, - ACPI_UINT8_MAX); - acpi_os_printf("\n"); - break; - - case ACPI_EXD_BUFFER: - - ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, - obj_desc->buffer.length); - break; - - case ACPI_EXD_PACKAGE: - - /* Dump the package contents */ - - acpi_os_printf("\nPackage Contents:\n"); - acpi_ex_dump_package_obj(obj_desc, 0, 0); - break; - - case ACPI_EXD_FIELD: - - acpi_ex_dump_object(obj_desc, - acpi_ex_dump_field_common); - break; - - case ACPI_EXD_REFERENCE: - - acpi_ex_out_string("Class Name", - (char *) - acpi_ut_get_reference_name - (obj_desc)); - acpi_ex_dump_reference_obj(obj_desc); - break; - - default: - acpi_os_printf("**** Invalid table opcode [%X] ****\n", - info->opcode); - return; - } - - info++; - count--; - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_dump_operand - * - * PARAMETERS: *obj_desc - Pointer to entry to be dumped - * Depth - Current nesting depth - * - * RETURN: None - * - * DESCRIPTION: Dump an operand object - * - ******************************************************************************/ - -void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth) -{ - u32 length; - u32 index; - - ACPI_FUNCTION_NAME(ex_dump_operand) - - if (!((ACPI_LV_EXEC & acpi_dbg_level) - && (_COMPONENT & acpi_dbg_layer))) { - return; - } - - if (!obj_desc) { - - /* This could be a null element of a package */ - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n")); - return; - } - - if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p Namespace Node: ", - obj_desc)); - ACPI_DUMP_ENTRY(obj_desc, ACPI_LV_EXEC); - return; - } - - if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "%p is not a node or operand object: [%s]\n", - obj_desc, - acpi_ut_get_descriptor_name(obj_desc))); - ACPI_DUMP_BUFFER(obj_desc, sizeof(union acpi_operand_object)); - return; - } - - /* obj_desc is a valid object */ - - if (depth > 0) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%*s[%u] %p ", - depth, " ", depth, obj_desc)); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%p ", obj_desc)); - } - - /* Decode object type */ - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_LOCAL_REFERENCE: - - acpi_os_printf("Reference: [%s] ", - acpi_ut_get_reference_name(obj_desc)); - - switch (obj_desc->reference.class) { - case ACPI_REFCLASS_DEBUG: - - acpi_os_printf("\n"); - break; - - case ACPI_REFCLASS_INDEX: - - acpi_os_printf("%p\n", obj_desc->reference.object); - break; - - case ACPI_REFCLASS_TABLE: - - acpi_os_printf("Table Index %X\n", - obj_desc->reference.value); - break; - - case ACPI_REFCLASS_REFOF: - - acpi_os_printf("%p [%s]\n", obj_desc->reference.object, - acpi_ut_get_type_name(((union - acpi_operand_object - *) - obj_desc-> - reference. - object)->common. - type)); - break; - - case ACPI_REFCLASS_ARG: - - acpi_os_printf("%X", obj_desc->reference.value); - - if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { - - /* Value is an Integer */ - - acpi_os_printf(" value is [%8.8X%8.8x]", - ACPI_FORMAT_UINT64(obj_desc-> - integer. - value)); - } - - acpi_os_printf("\n"); - break; - - case ACPI_REFCLASS_LOCAL: - - acpi_os_printf("%X", obj_desc->reference.value); - - if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { - - /* Value is an Integer */ - - acpi_os_printf(" value is [%8.8X%8.8x]", - ACPI_FORMAT_UINT64(obj_desc-> - integer. - value)); - } - - acpi_os_printf("\n"); - break; - - case ACPI_REFCLASS_NAME: - - acpi_os_printf("- [%4.4s]\n", - obj_desc->reference.node->name.ascii); - break; - - default: /* Unknown reference class */ - - acpi_os_printf("%2.2X\n", obj_desc->reference.class); - break; - } - break; - - case ACPI_TYPE_BUFFER: - - acpi_os_printf("Buffer length %.2X @ %p\n", - obj_desc->buffer.length, - obj_desc->buffer.pointer); - - /* Debug only -- dump the buffer contents */ - - if (obj_desc->buffer.pointer) { - length = obj_desc->buffer.length; - if (length > 128) { - length = 128; - } - - acpi_os_printf - ("Buffer Contents: (displaying length 0x%.2X)\n", - length); - ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length); - } - break; - - case ACPI_TYPE_INTEGER: - - acpi_os_printf("Integer %8.8X%8.8X\n", - ACPI_FORMAT_UINT64(obj_desc->integer.value)); - break; - - case ACPI_TYPE_PACKAGE: - - acpi_os_printf("Package [Len %X] ElementArray %p\n", - obj_desc->package.count, - obj_desc->package.elements); - - /* - * If elements exist, package element pointer is valid, - * and debug_level exceeds 1, dump package's elements. - */ - if (obj_desc->package.count && - obj_desc->package.elements && acpi_dbg_level > 1) { - for (index = 0; index < obj_desc->package.count; - index++) { - acpi_ex_dump_operand(obj_desc->package. - elements[index], - depth + 1); - } - } - break; - - case ACPI_TYPE_REGION: - - acpi_os_printf("Region %s (%X)", - acpi_ut_get_region_name(obj_desc->region. - space_id), - obj_desc->region.space_id); - - /* - * If the address and length have not been evaluated, - * don't print them. - */ - if (!(obj_desc->region.flags & AOPOBJ_DATA_VALID)) { - acpi_os_printf("\n"); - } else { - acpi_os_printf(" base %8.8X%8.8X Length %X\n", - ACPI_FORMAT_NATIVE_UINT(obj_desc->region. - address), - obj_desc->region.length); - } - break; - - case ACPI_TYPE_STRING: - - acpi_os_printf("String length %X @ %p ", - obj_desc->string.length, - obj_desc->string.pointer); - - acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX); - acpi_os_printf("\n"); - break; - - case ACPI_TYPE_LOCAL_BANK_FIELD: - - acpi_os_printf("BankField\n"); - break; - - case ACPI_TYPE_LOCAL_REGION_FIELD: - - acpi_os_printf - ("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n", - obj_desc->field.bit_length, - obj_desc->field.access_byte_width, - obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK, - obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK, - obj_desc->field.base_byte_offset, - obj_desc->field.start_field_bit_offset); - - acpi_ex_dump_operand(obj_desc->field.region_obj, depth + 1); - break; - - case ACPI_TYPE_LOCAL_INDEX_FIELD: - - acpi_os_printf("IndexField\n"); - break; - - case ACPI_TYPE_BUFFER_FIELD: - - acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n", - obj_desc->buffer_field.bit_length, - obj_desc->buffer_field.base_byte_offset, - obj_desc->buffer_field.start_field_bit_offset); - - if (!obj_desc->buffer_field.buffer_obj) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "*NULL*\n")); - } else - if (ACPI_GET_OBJECT_TYPE(obj_desc->buffer_field.buffer_obj) - != ACPI_TYPE_BUFFER) { - acpi_os_printf("*not a Buffer*\n"); - } else { - acpi_ex_dump_operand(obj_desc->buffer_field.buffer_obj, - depth + 1); - } - break; - - case ACPI_TYPE_EVENT: - - acpi_os_printf("Event\n"); - break; - - case ACPI_TYPE_METHOD: - - acpi_os_printf("Method(%X) @ %p:%X\n", - obj_desc->method.param_count, - obj_desc->method.aml_start, - obj_desc->method.aml_length); - break; - - case ACPI_TYPE_MUTEX: - - acpi_os_printf("Mutex\n"); - break; - - case ACPI_TYPE_DEVICE: - - acpi_os_printf("Device\n"); - break; - - case ACPI_TYPE_POWER: - - acpi_os_printf("Power\n"); - break; - - case ACPI_TYPE_PROCESSOR: - - acpi_os_printf("Processor\n"); - break; - - case ACPI_TYPE_THERMAL: - - acpi_os_printf("Thermal\n"); - break; - - default: - /* Unknown Type */ - - acpi_os_printf("Unknown Type %X\n", - ACPI_GET_OBJECT_TYPE(obj_desc)); - break; - } - - return; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_dump_operands - * - * PARAMETERS: Operands - A list of Operand objects - * opcode_name - AML opcode name - * num_operands - Operand count for this opcode - * - * DESCRIPTION: Dump the operands associated with the opcode - * - ******************************************************************************/ - -void -acpi_ex_dump_operands(union acpi_operand_object **operands, - const char *opcode_name, u32 num_operands) -{ - ACPI_FUNCTION_NAME(ex_dump_operands); - - if (!opcode_name) { - opcode_name = "UNKNOWN"; - } - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "**** Start operand dump for opcode [%s], %d operands\n", - opcode_name, num_operands)); - - if (num_operands == 0) { - num_operands = 1; - } - - /* Dump the individual operands */ - - while (num_operands) { - acpi_ex_dump_operand(*operands, 0); - operands++; - num_operands--; - } - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "**** End operand dump for [%s]\n", opcode_name)); - return; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_out* functions - * - * PARAMETERS: Title - Descriptive text - * Value - Value to be displayed - * - * DESCRIPTION: Object dump output formatting functions. These functions - * reduce the number of format strings required and keeps them - * all in one place for easy modification. - * - ******************************************************************************/ - -static void acpi_ex_out_string(char *title, char *value) -{ - acpi_os_printf("%20s : %s\n", title, value); -} - -static void acpi_ex_out_pointer(char *title, void *value) -{ - acpi_os_printf("%20s : %p\n", title, value); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_dump_namespace_node - * - * PARAMETERS: Node - Descriptor to dump - * Flags - Force display if TRUE - * - * DESCRIPTION: Dumps the members of the given.Node - * - ******************************************************************************/ - -void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags) -{ - - ACPI_FUNCTION_ENTRY(); - - if (!flags) { - if (!((ACPI_LV_OBJECTS & acpi_dbg_level) - && (_COMPONENT & acpi_dbg_layer))) { - return; - } - } - - acpi_os_printf("%20s : %4.4s\n", "Name", acpi_ut_get_node_name(node)); - acpi_ex_out_string("Type", acpi_ut_get_type_name(node->type)); - acpi_ex_out_pointer("Attached Object", - acpi_ns_get_attached_object(node)); - acpi_ex_out_pointer("Parent", acpi_ns_get_parent_node(node)); - - acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node), - acpi_ex_dump_node); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_dump_reference_obj - * - * PARAMETERS: Object - Descriptor to dump - * - * DESCRIPTION: Dumps a reference object - * - ******************************************************************************/ - -static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc) -{ - struct acpi_buffer ret_buf; - acpi_status status; - - ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER; - - if (obj_desc->reference.class == ACPI_REFCLASS_NAME) { - acpi_os_printf(" %p ", obj_desc->reference.node); - - status = - acpi_ns_handle_to_pathname(obj_desc->reference.node, - &ret_buf); - if (ACPI_FAILURE(status)) { - acpi_os_printf(" Could not convert name to pathname\n"); - } else { - acpi_os_printf("%s\n", (char *)ret_buf.pointer); - ACPI_FREE(ret_buf.pointer); - } - } else if (obj_desc->reference.object) { - if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == - ACPI_DESC_TYPE_OPERAND) { - acpi_os_printf(" Target: %p", - obj_desc->reference.object); - if (obj_desc->reference.class == ACPI_REFCLASS_TABLE) { - acpi_os_printf(" Table Index: %X\n", - obj_desc->reference.value); - } else { - acpi_os_printf(" Target: %p [%s]\n", - obj_desc->reference.object, - acpi_ut_get_type_name(((union - acpi_operand_object - *) - obj_desc-> - reference. - object)-> - common. - type)); - } - } else { - acpi_os_printf(" Target: %p\n", - obj_desc->reference.object); - } - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_dump_package_obj - * - * PARAMETERS: obj_desc - Descriptor to dump - * Level - Indentation Level - * Index - Package index for this object - * - * DESCRIPTION: Dumps the elements of the package - * - ******************************************************************************/ - -static void -acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc, - u32 level, u32 index) -{ - u32 i; - - /* Indentation and index output */ - - if (level > 0) { - for (i = 0; i < level; i++) { - acpi_os_printf(" "); - } - - acpi_os_printf("[%.2d] ", index); - } - - acpi_os_printf("%p ", obj_desc); - - /* Null package elements are allowed */ - - if (!obj_desc) { - acpi_os_printf("[Null Object]\n"); - return; - } - - /* Packages may only contain a few object types */ - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_INTEGER: - - acpi_os_printf("[Integer] = %8.8X%8.8X\n", - ACPI_FORMAT_UINT64(obj_desc->integer.value)); - break; - - case ACPI_TYPE_STRING: - - acpi_os_printf("[String] Value: "); - for (i = 0; i < obj_desc->string.length; i++) { - acpi_os_printf("%c", obj_desc->string.pointer[i]); - } - acpi_os_printf("\n"); - break; - - case ACPI_TYPE_BUFFER: - - acpi_os_printf("[Buffer] Length %.2X = ", - obj_desc->buffer.length); - if (obj_desc->buffer.length) { - acpi_ut_dump_buffer(ACPI_CAST_PTR - (u8, obj_desc->buffer.pointer), - obj_desc->buffer.length, - DB_DWORD_DISPLAY, _COMPONENT); - } else { - acpi_os_printf("\n"); - } - break; - - case ACPI_TYPE_PACKAGE: - - acpi_os_printf("[Package] Contains %d Elements:\n", - obj_desc->package.count); - - for (i = 0; i < obj_desc->package.count; i++) { - acpi_ex_dump_package_obj(obj_desc->package.elements[i], - level + 1, i); - } - break; - - case ACPI_TYPE_LOCAL_REFERENCE: - - acpi_os_printf("[Object Reference] Type [%s] %2.2X", - acpi_ut_get_reference_name(obj_desc), - obj_desc->reference.class); - acpi_ex_dump_reference_obj(obj_desc); - break; - - default: - - acpi_os_printf("[Unknown Type] %X\n", - ACPI_GET_OBJECT_TYPE(obj_desc)); - break; - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_dump_object_descriptor - * - * PARAMETERS: obj_desc - Descriptor to dump - * Flags - Force display if TRUE - * - * DESCRIPTION: Dumps the members of the object descriptor given. - * - ******************************************************************************/ - -void -acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags) -{ - ACPI_FUNCTION_TRACE(ex_dump_object_descriptor); - - if (!obj_desc) { - return_VOID; - } - - if (!flags) { - if (!((ACPI_LV_OBJECTS & acpi_dbg_level) - && (_COMPONENT & acpi_dbg_layer))) { - return_VOID; - } - } - - if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) { - acpi_ex_dump_namespace_node((struct acpi_namespace_node *) - obj_desc, flags); - - acpi_os_printf("\nAttached Object (%p):\n", - ((struct acpi_namespace_node *)obj_desc)-> - object); - - acpi_ex_dump_object_descriptor(((struct acpi_namespace_node *) - obj_desc)->object, flags); - return_VOID; - } - - if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) { - acpi_os_printf - ("ExDumpObjectDescriptor: %p is not an ACPI operand object: [%s]\n", - obj_desc, acpi_ut_get_descriptor_name(obj_desc)); - return_VOID; - } - - if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) { - return_VOID; - } - - /* Common Fields */ - - acpi_ex_dump_object(obj_desc, acpi_ex_dump_common); - - /* Object-specific fields */ - - acpi_ex_dump_object(obj_desc, acpi_ex_dump_info[obj_desc->common.type]); - return_VOID; -} - -#endif diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c deleted file mode 100644 index 7b6df031039d..000000000000 --- a/drivers/acpi/executer/exfield.c +++ /dev/null @@ -1,340 +0,0 @@ -/****************************************************************************** - * - * Module Name: exfield - ACPI AML (p-code) execution - field manipulation - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acdispat.h> -#include <acpi/acinterp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exfield") - -/******************************************************************************* - * - * FUNCTION: acpi_ex_read_data_from_field - * - * PARAMETERS: walk_state - Current execution state - * obj_desc - The named field - * ret_buffer_desc - Where the return data object is stored - * - * RETURN: Status - * - * DESCRIPTION: Read from a named field. Returns either an Integer or a - * Buffer, depending on the size of the field. - * - ******************************************************************************/ -acpi_status -acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state, - union acpi_operand_object *obj_desc, - union acpi_operand_object **ret_buffer_desc) -{ - acpi_status status; - union acpi_operand_object *buffer_desc; - acpi_size length; - void *buffer; - - ACPI_FUNCTION_TRACE_PTR(ex_read_data_from_field, obj_desc); - - /* Parameter validation */ - - if (!obj_desc) { - return_ACPI_STATUS(AE_AML_NO_OPERAND); - } - if (!ret_buffer_desc) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_BUFFER_FIELD) { - /* - * If the buffer_field arguments have not been previously evaluated, - * evaluate them now and save the results. - */ - if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) { - status = acpi_ds_get_buffer_field_arguments(obj_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - } else - if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REGION_FIELD) - && (obj_desc->field.region_obj->region.space_id == - ACPI_ADR_SPACE_SMBUS)) { - /* - * This is an SMBus read. We must create a buffer to hold the data - * and directly access the region handler. - */ - buffer_desc = - acpi_ut_create_buffer_object(ACPI_SMBUS_BUFFER_SIZE); - if (!buffer_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Lock entire transaction if requested */ - - acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags); - - /* - * Perform the read. - * Note: Smbus protocol value is passed in upper 16-bits of Function - */ - status = acpi_ex_access_region(obj_desc, 0, - ACPI_CAST_PTR(acpi_integer, - buffer_desc-> - buffer.pointer), - ACPI_READ | (obj_desc->field. - attribute << 16)); - acpi_ex_release_global_lock(obj_desc->common_field.field_flags); - goto exit; - } - - /* - * Allocate a buffer for the contents of the field. - * - * If the field is larger than the size of an acpi_integer, create - * a BUFFER to hold it. Otherwise, use an INTEGER. This allows - * the use of arithmetic operators on the returned value if the - * field size is equal or smaller than an Integer. - * - * Note: Field.length is in bits. - */ - length = - (acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length); - if (length > acpi_gbl_integer_byte_width) { - - /* Field is too large for an Integer, create a Buffer instead */ - - buffer_desc = acpi_ut_create_buffer_object(length); - if (!buffer_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - buffer = buffer_desc->buffer.pointer; - } else { - /* Field will fit within an Integer (normal case) */ - - buffer_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!buffer_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - length = acpi_gbl_integer_byte_width; - buffer_desc->integer.value = 0; - buffer = &buffer_desc->integer.value; - } - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "FieldRead [TO]: Obj %p, Type %X, Buf %p, ByteLen %X\n", - obj_desc, ACPI_GET_OBJECT_TYPE(obj_desc), buffer, - (u32) length)); - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "FieldRead [FROM]: BitLen %X, BitOff %X, ByteOff %X\n", - obj_desc->common_field.bit_length, - obj_desc->common_field.start_field_bit_offset, - obj_desc->common_field.base_byte_offset)); - - /* Lock entire transaction if requested */ - - acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags); - - /* Read from the field */ - - status = acpi_ex_extract_from_field(obj_desc, buffer, (u32) length); - acpi_ex_release_global_lock(obj_desc->common_field.field_flags); - - exit: - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference(buffer_desc); - } else { - *ret_buffer_desc = buffer_desc; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_write_data_to_field - * - * PARAMETERS: source_desc - Contains data to write - * obj_desc - The named field - * result_desc - Where the return value is returned, if any - * - * RETURN: Status - * - * DESCRIPTION: Write to a named field - * - ******************************************************************************/ - -acpi_status -acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, - union acpi_operand_object *obj_desc, - union acpi_operand_object **result_desc) -{ - acpi_status status; - u32 length; - void *buffer; - union acpi_operand_object *buffer_desc; - - ACPI_FUNCTION_TRACE_PTR(ex_write_data_to_field, obj_desc); - - /* Parameter validation */ - - if (!source_desc || !obj_desc) { - return_ACPI_STATUS(AE_AML_NO_OPERAND); - } - - if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_BUFFER_FIELD) { - /* - * If the buffer_field arguments have not been previously evaluated, - * evaluate them now and save the results. - */ - if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) { - status = acpi_ds_get_buffer_field_arguments(obj_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - } else - if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REGION_FIELD) - && (obj_desc->field.region_obj->region.space_id == - ACPI_ADR_SPACE_SMBUS)) { - /* - * This is an SMBus write. We will bypass the entire field mechanism - * and handoff the buffer directly to the handler. - * - * Source must be a buffer of sufficient size (ACPI_SMBUS_BUFFER_SIZE). - */ - if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_BUFFER) { - ACPI_ERROR((AE_INFO, - "SMBus write requires Buffer, found type %s", - acpi_ut_get_object_type_name(source_desc))); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - if (source_desc->buffer.length < ACPI_SMBUS_BUFFER_SIZE) { - ACPI_ERROR((AE_INFO, - "SMBus write requires Buffer of length %X, found length %X", - ACPI_SMBUS_BUFFER_SIZE, - source_desc->buffer.length)); - - return_ACPI_STATUS(AE_AML_BUFFER_LIMIT); - } - - buffer_desc = - acpi_ut_create_buffer_object(ACPI_SMBUS_BUFFER_SIZE); - if (!buffer_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - buffer = buffer_desc->buffer.pointer; - ACPI_MEMCPY(buffer, source_desc->buffer.pointer, - ACPI_SMBUS_BUFFER_SIZE); - - /* Lock entire transaction if requested */ - - acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags); - - /* - * Perform the write (returns status and perhaps data in the - * same buffer) - * Note: SMBus protocol type is passed in upper 16-bits of Function. - */ - status = acpi_ex_access_region(obj_desc, 0, - (acpi_integer *) buffer, - ACPI_WRITE | (obj_desc->field. - attribute << 16)); - acpi_ex_release_global_lock(obj_desc->common_field.field_flags); - - *result_desc = buffer_desc; - return_ACPI_STATUS(status); - } - - /* Get a pointer to the data to be written */ - - switch (ACPI_GET_OBJECT_TYPE(source_desc)) { - case ACPI_TYPE_INTEGER: - buffer = &source_desc->integer.value; - length = sizeof(source_desc->integer.value); - break; - - case ACPI_TYPE_BUFFER: - buffer = source_desc->buffer.pointer; - length = source_desc->buffer.length; - break; - - case ACPI_TYPE_STRING: - buffer = source_desc->string.pointer; - length = source_desc->string.length; - break; - - default: - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "FieldWrite [FROM]: Obj %p (%s:%X), Buf %p, ByteLen %X\n", - source_desc, - acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE - (source_desc)), - ACPI_GET_OBJECT_TYPE(source_desc), buffer, length)); - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "FieldWrite [TO]: Obj %p (%s:%X), BitLen %X, BitOff %X, ByteOff %X\n", - obj_desc, - acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc)), - ACPI_GET_OBJECT_TYPE(obj_desc), - obj_desc->common_field.bit_length, - obj_desc->common_field.start_field_bit_offset, - obj_desc->common_field.base_byte_offset)); - - /* Lock entire transaction if requested */ - - acpi_ex_acquire_global_lock(obj_desc->common_field.field_flags); - - /* Write to the field */ - - status = acpi_ex_insert_into_field(obj_desc, buffer, length); - acpi_ex_release_global_lock(obj_desc->common_field.field_flags); - - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c deleted file mode 100644 index 33cd17a1064f..000000000000 --- a/drivers/acpi/executer/exfldio.c +++ /dev/null @@ -1,961 +0,0 @@ -/****************************************************************************** - * - * Module Name: exfldio - Aml Field I/O - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> -#include <acpi/acevents.h> -#include <acpi/acdispat.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exfldio") - -/* Local prototypes */ -static acpi_status -acpi_ex_field_datum_io(union acpi_operand_object *obj_desc, - u32 field_datum_byte_offset, - acpi_integer * value, u32 read_write); - -static u8 -acpi_ex_register_overflow(union acpi_operand_object *obj_desc, - acpi_integer value); - -static acpi_status -acpi_ex_setup_region(union acpi_operand_object *obj_desc, - u32 field_datum_byte_offset); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_setup_region - * - * PARAMETERS: obj_desc - Field to be read or written - * field_datum_byte_offset - Byte offset of this datum within the - * parent field - * - * RETURN: Status - * - * DESCRIPTION: Common processing for acpi_ex_extract_from_field and - * acpi_ex_insert_into_field. Initialize the Region if necessary and - * validate the request. - * - ******************************************************************************/ - -static acpi_status -acpi_ex_setup_region(union acpi_operand_object *obj_desc, - u32 field_datum_byte_offset) -{ - acpi_status status = AE_OK; - union acpi_operand_object *rgn_desc; - - ACPI_FUNCTION_TRACE_U32(ex_setup_region, field_datum_byte_offset); - - rgn_desc = obj_desc->common_field.region_obj; - - /* We must have a valid region */ - - if (ACPI_GET_OBJECT_TYPE(rgn_desc) != ACPI_TYPE_REGION) { - ACPI_ERROR((AE_INFO, "Needed Region, found type %X (%s)", - ACPI_GET_OBJECT_TYPE(rgn_desc), - acpi_ut_get_object_type_name(rgn_desc))); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* - * If the Region Address and Length have not been previously evaluated, - * evaluate them now and save the results. - */ - if (!(rgn_desc->common.flags & AOPOBJ_DATA_VALID)) { - status = acpi_ds_get_region_arguments(rgn_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - /* Exit if Address/Length have been disallowed by the host OS */ - - if (rgn_desc->common.flags & AOPOBJ_INVALID) { - return_ACPI_STATUS(AE_AML_ILLEGAL_ADDRESS); - } - - /* - * Exit now for SMBus address space, it has a non-linear address space - * and the request cannot be directly validated - */ - if (rgn_desc->region.space_id == ACPI_ADR_SPACE_SMBUS) { - - /* SMBus has a non-linear address space */ - - return_ACPI_STATUS(AE_OK); - } -#ifdef ACPI_UNDER_DEVELOPMENT - /* - * If the Field access is any_acc, we can now compute the optimal - * access (because we know know the length of the parent region) - */ - if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) { - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } -#endif - - /* - * Validate the request. The entire request from the byte offset for a - * length of one field datum (access width) must fit within the region. - * (Region length is specified in bytes) - */ - if (rgn_desc->region.length < - (obj_desc->common_field.base_byte_offset + - field_datum_byte_offset + - obj_desc->common_field.access_byte_width)) { - if (acpi_gbl_enable_interpreter_slack) { - /* - * Slack mode only: We will go ahead and allow access to this - * field if it is within the region length rounded up to the next - * access width boundary. acpi_size cast for 64-bit compile. - */ - if (ACPI_ROUND_UP(rgn_desc->region.length, - obj_desc->common_field. - access_byte_width) >= - ((acpi_size) obj_desc->common_field. - base_byte_offset + - obj_desc->common_field.access_byte_width + - field_datum_byte_offset)) { - return_ACPI_STATUS(AE_OK); - } - } - - if (rgn_desc->region.length < - obj_desc->common_field.access_byte_width) { - /* - * This is the case where the access_type (acc_word, etc.) is wider - * than the region itself. For example, a region of length one - * byte, and a field with Dword access specified. - */ - ACPI_ERROR((AE_INFO, - "Field [%4.4s] access width (%d bytes) too large for region [%4.4s] (length %X)", - acpi_ut_get_node_name(obj_desc-> - common_field.node), - obj_desc->common_field.access_byte_width, - acpi_ut_get_node_name(rgn_desc->region. - node), - rgn_desc->region.length)); - } - - /* - * Offset rounded up to next multiple of field width - * exceeds region length, indicate an error - */ - ACPI_ERROR((AE_INFO, - "Field [%4.4s] Base+Offset+Width %X+%X+%X is beyond end of region [%4.4s] (length %X)", - acpi_ut_get_node_name(obj_desc->common_field.node), - obj_desc->common_field.base_byte_offset, - field_datum_byte_offset, - obj_desc->common_field.access_byte_width, - acpi_ut_get_node_name(rgn_desc->region.node), - rgn_desc->region.length)); - - return_ACPI_STATUS(AE_AML_REGION_LIMIT); - } - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_access_region - * - * PARAMETERS: obj_desc - Field to be read - * field_datum_byte_offset - Byte offset of this datum within the - * parent field - * Value - Where to store value (must at least - * the size of acpi_integer) - * Function - Read or Write flag plus other region- - * dependent flags - * - * RETURN: Status - * - * DESCRIPTION: Read or Write a single field datum to an Operation Region. - * - ******************************************************************************/ - -acpi_status -acpi_ex_access_region(union acpi_operand_object *obj_desc, - u32 field_datum_byte_offset, - acpi_integer * value, u32 function) -{ - acpi_status status; - union acpi_operand_object *rgn_desc; - acpi_physical_address address; - - ACPI_FUNCTION_TRACE(ex_access_region); - - /* - * Ensure that the region operands are fully evaluated and verify - * the validity of the request - */ - status = acpi_ex_setup_region(obj_desc, field_datum_byte_offset); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* - * The physical address of this field datum is: - * - * 1) The base of the region, plus - * 2) The base offset of the field, plus - * 3) The current offset into the field - */ - rgn_desc = obj_desc->common_field.region_obj; - address = rgn_desc->region.address + - obj_desc->common_field.base_byte_offset + field_datum_byte_offset; - - if ((function & ACPI_IO_MASK) == ACPI_READ) { - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, "[READ]")); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, "[WRITE]")); - } - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_BFIELD, - " Region [%s:%X], Width %X, ByteBase %X, Offset %X at %p\n", - acpi_ut_get_region_name(rgn_desc->region. - space_id), - rgn_desc->region.space_id, - obj_desc->common_field.access_byte_width, - obj_desc->common_field.base_byte_offset, - field_datum_byte_offset, ACPI_CAST_PTR(void, - address))); - - /* Invoke the appropriate address_space/op_region handler */ - - status = acpi_ev_address_space_dispatch(rgn_desc, function, - address, - ACPI_MUL_8(obj_desc-> - common_field. - access_byte_width), - value); - - if (ACPI_FAILURE(status)) { - if (status == AE_NOT_IMPLEMENTED) { - ACPI_ERROR((AE_INFO, - "Region %s(%X) not implemented", - acpi_ut_get_region_name(rgn_desc->region. - space_id), - rgn_desc->region.space_id)); - } else if (status == AE_NOT_EXIST) { - ACPI_ERROR((AE_INFO, - "Region %s(%X) has no handler", - acpi_ut_get_region_name(rgn_desc->region. - space_id), - rgn_desc->region.space_id)); - } - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_register_overflow - * - * PARAMETERS: obj_desc - Register(Field) to be written - * Value - Value to be stored - * - * RETURN: TRUE if value overflows the field, FALSE otherwise - * - * DESCRIPTION: Check if a value is out of range of the field being written. - * Used to check if the values written to Index and Bank registers - * are out of range. Normally, the value is simply truncated - * to fit the field, but this case is most likely a serious - * coding error in the ASL. - * - ******************************************************************************/ - -static u8 -acpi_ex_register_overflow(union acpi_operand_object *obj_desc, - acpi_integer value) -{ - - if (obj_desc->common_field.bit_length >= ACPI_INTEGER_BIT_SIZE) { - /* - * The field is large enough to hold the maximum integer, so we can - * never overflow it. - */ - return (FALSE); - } - - if (value >= ((acpi_integer) 1 << obj_desc->common_field.bit_length)) { - /* - * The Value is larger than the maximum value that can fit into - * the register. - */ - return (TRUE); - } - - /* The Value will fit into the field with no truncation */ - - return (FALSE); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_field_datum_io - * - * PARAMETERS: obj_desc - Field to be read - * field_datum_byte_offset - Byte offset of this datum within the - * parent field - * Value - Where to store value (must be 64 bits) - * read_write - Read or Write flag - * - * RETURN: Status - * - * DESCRIPTION: Read or Write a single datum of a field. The field_type is - * demultiplexed here to handle the different types of fields - * (buffer_field, region_field, index_field, bank_field) - * - ******************************************************************************/ - -static acpi_status -acpi_ex_field_datum_io(union acpi_operand_object *obj_desc, - u32 field_datum_byte_offset, - acpi_integer * value, u32 read_write) -{ - acpi_status status; - acpi_integer local_value; - - ACPI_FUNCTION_TRACE_U32(ex_field_datum_io, field_datum_byte_offset); - - if (read_write == ACPI_READ) { - if (!value) { - local_value = 0; - - /* To support reads without saving return value */ - value = &local_value; - } - - /* Clear the entire return buffer first, [Very Important!] */ - - *value = 0; - } - - /* - * The four types of fields are: - * - * buffer_field - Read/write from/to a Buffer - * region_field - Read/write from/to a Operation Region. - * bank_field - Write to a Bank Register, then read/write from/to an - * operation_region - * index_field - Write to an Index Register, then read/write from/to a - * Data Register - */ - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_BUFFER_FIELD: - /* - * If the buffer_field arguments have not been previously evaluated, - * evaluate them now and save the results. - */ - if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) { - status = acpi_ds_get_buffer_field_arguments(obj_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - if (read_write == ACPI_READ) { - /* - * Copy the data from the source buffer. - * Length is the field width in bytes. - */ - ACPI_MEMCPY(value, - (obj_desc->buffer_field.buffer_obj)->buffer. - pointer + - obj_desc->buffer_field.base_byte_offset + - field_datum_byte_offset, - obj_desc->common_field.access_byte_width); - } else { - /* - * Copy the data to the target buffer. - * Length is the field width in bytes. - */ - ACPI_MEMCPY((obj_desc->buffer_field.buffer_obj)->buffer. - pointer + - obj_desc->buffer_field.base_byte_offset + - field_datum_byte_offset, value, - obj_desc->common_field.access_byte_width); - } - - status = AE_OK; - break; - - case ACPI_TYPE_LOCAL_BANK_FIELD: - - /* - * Ensure that the bank_value is not beyond the capacity of - * the register - */ - if (acpi_ex_register_overflow(obj_desc->bank_field.bank_obj, - (acpi_integer) obj_desc-> - bank_field.value)) { - return_ACPI_STATUS(AE_AML_REGISTER_LIMIT); - } - - /* - * For bank_fields, we must write the bank_value to the bank_register - * (itself a region_field) before we can access the data. - */ - status = - acpi_ex_insert_into_field(obj_desc->bank_field.bank_obj, - &obj_desc->bank_field.value, - sizeof(obj_desc->bank_field. - value)); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* - * Now that the Bank has been selected, fall through to the - * region_field case and write the datum to the Operation Region - */ - - /*lint -fallthrough */ - - case ACPI_TYPE_LOCAL_REGION_FIELD: - /* - * For simple region_fields, we just directly access the owning - * Operation Region. - */ - status = - acpi_ex_access_region(obj_desc, field_datum_byte_offset, - value, read_write); - break; - - case ACPI_TYPE_LOCAL_INDEX_FIELD: - - /* - * Ensure that the index_value is not beyond the capacity of - * the register - */ - if (acpi_ex_register_overflow(obj_desc->index_field.index_obj, - (acpi_integer) obj_desc-> - index_field.value)) { - return_ACPI_STATUS(AE_AML_REGISTER_LIMIT); - } - - /* Write the index value to the index_register (itself a region_field) */ - - field_datum_byte_offset += obj_desc->index_field.value; - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Write to Index Register: Value %8.8X\n", - field_datum_byte_offset)); - - status = - acpi_ex_insert_into_field(obj_desc->index_field.index_obj, - &field_datum_byte_offset, - sizeof(field_datum_byte_offset)); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - if (read_write == ACPI_READ) { - - /* Read the datum from the data_register */ - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Read from Data Register\n")); - - status = - acpi_ex_extract_from_field(obj_desc->index_field. - data_obj, value, - sizeof(acpi_integer)); - } else { - /* Write the datum to the data_register */ - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Write to Data Register: Value %8.8X%8.8X\n", - ACPI_FORMAT_UINT64(*value))); - - status = - acpi_ex_insert_into_field(obj_desc->index_field. - data_obj, value, - sizeof(acpi_integer)); - } - break; - - default: - - ACPI_ERROR((AE_INFO, "Wrong object type in field I/O %X", - ACPI_GET_OBJECT_TYPE(obj_desc))); - status = AE_AML_INTERNAL; - break; - } - - if (ACPI_SUCCESS(status)) { - if (read_write == ACPI_READ) { - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Value Read %8.8X%8.8X, Width %d\n", - ACPI_FORMAT_UINT64(*value), - obj_desc->common_field. - access_byte_width)); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Value Written %8.8X%8.8X, Width %d\n", - ACPI_FORMAT_UINT64(*value), - obj_desc->common_field. - access_byte_width)); - } - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_write_with_update_rule - * - * PARAMETERS: obj_desc - Field to be written - * Mask - bitmask within field datum - * field_value - Value to write - * field_datum_byte_offset - Offset of datum within field - * - * RETURN: Status - * - * DESCRIPTION: Apply the field update rule to a field write - * - ******************************************************************************/ - -acpi_status -acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc, - acpi_integer mask, - acpi_integer field_value, - u32 field_datum_byte_offset) -{ - acpi_status status = AE_OK; - acpi_integer merged_value; - acpi_integer current_value; - - ACPI_FUNCTION_TRACE_U32(ex_write_with_update_rule, mask); - - /* Start with the new bits */ - - merged_value = field_value; - - /* If the mask is all ones, we don't need to worry about the update rule */ - - if (mask != ACPI_INTEGER_MAX) { - - /* Decode the update rule */ - - switch (obj_desc->common_field. - field_flags & AML_FIELD_UPDATE_RULE_MASK) { - case AML_FIELD_UPDATE_PRESERVE: - /* - * Check if update rule needs to be applied (not if mask is all - * ones) The left shift drops the bits we want to ignore. - */ - if ((~mask << (ACPI_MUL_8(sizeof(mask)) - - ACPI_MUL_8(obj_desc->common_field. - access_byte_width))) != 0) { - /* - * Read the current contents of the byte/word/dword containing - * the field, and merge with the new field value. - */ - status = - acpi_ex_field_datum_io(obj_desc, - field_datum_byte_offset, - ¤t_value, - ACPI_READ); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - merged_value |= (current_value & ~mask); - } - break; - - case AML_FIELD_UPDATE_WRITE_AS_ONES: - - /* Set positions outside the field to all ones */ - - merged_value |= ~mask; - break; - - case AML_FIELD_UPDATE_WRITE_AS_ZEROS: - - /* Set positions outside the field to all zeros */ - - merged_value &= mask; - break; - - default: - - ACPI_ERROR((AE_INFO, - "Unknown UpdateRule value: %X", - (obj_desc->common_field. - field_flags & - AML_FIELD_UPDATE_RULE_MASK))); - return_ACPI_STATUS(AE_AML_OPERAND_VALUE); - } - } - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Mask %8.8X%8.8X, DatumOffset %X, Width %X, Value %8.8X%8.8X, MergedValue %8.8X%8.8X\n", - ACPI_FORMAT_UINT64(mask), - field_datum_byte_offset, - obj_desc->common_field.access_byte_width, - ACPI_FORMAT_UINT64(field_value), - ACPI_FORMAT_UINT64(merged_value))); - - /* Write the merged value */ - - status = acpi_ex_field_datum_io(obj_desc, field_datum_byte_offset, - &merged_value, ACPI_WRITE); - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_extract_from_field - * - * PARAMETERS: obj_desc - Field to be read - * Buffer - Where to store the field data - * buffer_length - Length of Buffer - * - * RETURN: Status - * - * DESCRIPTION: Retrieve the current value of the given field - * - ******************************************************************************/ - -acpi_status -acpi_ex_extract_from_field(union acpi_operand_object *obj_desc, - void *buffer, u32 buffer_length) -{ - acpi_status status; - acpi_integer raw_datum; - acpi_integer merged_datum; - u32 field_offset = 0; - u32 buffer_offset = 0; - u32 buffer_tail_bits; - u32 datum_count; - u32 field_datum_count; - u32 i; - - ACPI_FUNCTION_TRACE(ex_extract_from_field); - - /* Validate target buffer and clear it */ - - if (buffer_length < - ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length)) { - ACPI_ERROR((AE_INFO, - "Field size %X (bits) is too large for buffer (%X)", - obj_desc->common_field.bit_length, buffer_length)); - - return_ACPI_STATUS(AE_BUFFER_OVERFLOW); - } - ACPI_MEMSET(buffer, 0, buffer_length); - - /* Compute the number of datums (access width data items) */ - - datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length, - obj_desc->common_field.access_bit_width); - field_datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length + - obj_desc->common_field. - start_field_bit_offset, - obj_desc->common_field. - access_bit_width); - - /* Priming read from the field */ - - status = - acpi_ex_field_datum_io(obj_desc, field_offset, &raw_datum, - ACPI_READ); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - merged_datum = - raw_datum >> obj_desc->common_field.start_field_bit_offset; - - /* Read the rest of the field */ - - for (i = 1; i < field_datum_count; i++) { - - /* Get next input datum from the field */ - - field_offset += obj_desc->common_field.access_byte_width; - status = acpi_ex_field_datum_io(obj_desc, field_offset, - &raw_datum, ACPI_READ); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* - * Merge with previous datum if necessary. - * - * Note: Before the shift, check if the shift value will be larger than - * the integer size. If so, there is no need to perform the operation. - * This avoids the differences in behavior between different compilers - * concerning shift values larger than the target data width. - */ - if ((obj_desc->common_field.access_bit_width - - obj_desc->common_field.start_field_bit_offset) < - ACPI_INTEGER_BIT_SIZE) { - merged_datum |= - raw_datum << (obj_desc->common_field. - access_bit_width - - obj_desc->common_field. - start_field_bit_offset); - } - - if (i == datum_count) { - break; - } - - /* Write merged datum to target buffer */ - - ACPI_MEMCPY(((char *)buffer) + buffer_offset, &merged_datum, - ACPI_MIN(obj_desc->common_field.access_byte_width, - buffer_length - buffer_offset)); - - buffer_offset += obj_desc->common_field.access_byte_width; - merged_datum = - raw_datum >> obj_desc->common_field.start_field_bit_offset; - } - - /* Mask off any extra bits in the last datum */ - - buffer_tail_bits = obj_desc->common_field.bit_length % - obj_desc->common_field.access_bit_width; - if (buffer_tail_bits) { - merged_datum &= ACPI_MASK_BITS_ABOVE(buffer_tail_bits); - } - - /* Write the last datum to the buffer */ - - ACPI_MEMCPY(((char *)buffer) + buffer_offset, &merged_datum, - ACPI_MIN(obj_desc->common_field.access_byte_width, - buffer_length - buffer_offset)); - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_insert_into_field - * - * PARAMETERS: obj_desc - Field to be written - * Buffer - Data to be written - * buffer_length - Length of Buffer - * - * RETURN: Status - * - * DESCRIPTION: Store the Buffer contents into the given field - * - ******************************************************************************/ - -acpi_status -acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, - void *buffer, u32 buffer_length) -{ - acpi_status status; - acpi_integer mask; - acpi_integer width_mask; - acpi_integer merged_datum; - acpi_integer raw_datum = 0; - u32 field_offset = 0; - u32 buffer_offset = 0; - u32 buffer_tail_bits; - u32 datum_count; - u32 field_datum_count; - u32 i; - u32 required_length; - void *new_buffer; - - ACPI_FUNCTION_TRACE(ex_insert_into_field); - - /* Validate input buffer */ - - new_buffer = NULL; - required_length = - ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length); - /* - * We must have a buffer that is at least as long as the field - * we are writing to. This is because individual fields are - * indivisible and partial writes are not supported -- as per - * the ACPI specification. - */ - if (buffer_length < required_length) { - - /* We need to create a new buffer */ - - new_buffer = ACPI_ALLOCATE_ZEROED(required_length); - if (!new_buffer) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* - * Copy the original data to the new buffer, starting - * at Byte zero. All unused (upper) bytes of the - * buffer will be 0. - */ - ACPI_MEMCPY((char *)new_buffer, (char *)buffer, buffer_length); - buffer = new_buffer; - buffer_length = required_length; - } - - /* - * Create the bitmasks used for bit insertion. - * Note: This if/else is used to bypass compiler differences with the - * shift operator - */ - if (obj_desc->common_field.access_bit_width == ACPI_INTEGER_BIT_SIZE) { - width_mask = ACPI_INTEGER_MAX; - } else { - width_mask = - ACPI_MASK_BITS_ABOVE(obj_desc->common_field. - access_bit_width); - } - - mask = width_mask & - ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset); - - /* Compute the number of datums (access width data items) */ - - datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length, - obj_desc->common_field.access_bit_width); - - field_datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length + - obj_desc->common_field. - start_field_bit_offset, - obj_desc->common_field. - access_bit_width); - - /* Get initial Datum from the input buffer */ - - ACPI_MEMCPY(&raw_datum, buffer, - ACPI_MIN(obj_desc->common_field.access_byte_width, - buffer_length - buffer_offset)); - - merged_datum = - raw_datum << obj_desc->common_field.start_field_bit_offset; - - /* Write the entire field */ - - for (i = 1; i < field_datum_count; i++) { - - /* Write merged datum to the target field */ - - merged_datum &= mask; - status = acpi_ex_write_with_update_rule(obj_desc, mask, - merged_datum, - field_offset); - if (ACPI_FAILURE(status)) { - goto exit; - } - - field_offset += obj_desc->common_field.access_byte_width; - - /* - * Start new output datum by merging with previous input datum - * if necessary. - * - * Note: Before the shift, check if the shift value will be larger than - * the integer size. If so, there is no need to perform the operation. - * This avoids the differences in behavior between different compilers - * concerning shift values larger than the target data width. - */ - if ((obj_desc->common_field.access_bit_width - - obj_desc->common_field.start_field_bit_offset) < - ACPI_INTEGER_BIT_SIZE) { - merged_datum = - raw_datum >> (obj_desc->common_field. - access_bit_width - - obj_desc->common_field. - start_field_bit_offset); - } else { - merged_datum = 0; - } - - mask = width_mask; - - if (i == datum_count) { - break; - } - - /* Get the next input datum from the buffer */ - - buffer_offset += obj_desc->common_field.access_byte_width; - ACPI_MEMCPY(&raw_datum, ((char *)buffer) + buffer_offset, - ACPI_MIN(obj_desc->common_field.access_byte_width, - buffer_length - buffer_offset)); - merged_datum |= - raw_datum << obj_desc->common_field.start_field_bit_offset; - } - - /* Mask off any extra bits in the last datum */ - - buffer_tail_bits = (obj_desc->common_field.bit_length + - obj_desc->common_field.start_field_bit_offset) % - obj_desc->common_field.access_bit_width; - if (buffer_tail_bits) { - mask &= ACPI_MASK_BITS_ABOVE(buffer_tail_bits); - } - - /* Write the last datum to the field */ - - merged_datum &= mask; - status = acpi_ex_write_with_update_rule(obj_desc, - mask, merged_datum, - field_offset); - - exit: - /* Free temporary buffer if we used one */ - - if (new_buffer) { - ACPI_FREE(new_buffer); - } - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c deleted file mode 100644 index e445463de8a9..000000000000 --- a/drivers/acpi/executer/exmisc.c +++ /dev/null @@ -1,726 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exmisc - ACPI AML (p-code) execution - specific opcodes - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> -#include <acpi/amlresrc.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exmisc") - -/******************************************************************************* - * - * FUNCTION: acpi_ex_get_object_reference - * - * PARAMETERS: obj_desc - Create a reference to this object - * return_desc - Where to store the reference - * walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Obtain and return a "reference" to the target object - * Common code for the ref_of_op and the cond_ref_of_op. - * - ******************************************************************************/ -acpi_status -acpi_ex_get_object_reference(union acpi_operand_object *obj_desc, - union acpi_operand_object **return_desc, - struct acpi_walk_state *walk_state) -{ - union acpi_operand_object *reference_obj; - union acpi_operand_object *referenced_obj; - - ACPI_FUNCTION_TRACE_PTR(ex_get_object_reference, obj_desc); - - *return_desc = NULL; - - switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) { - case ACPI_DESC_TYPE_OPERAND: - - if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_LOCAL_REFERENCE) { - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* - * Must be a reference to a Local or Arg - */ - switch (obj_desc->reference.class) { - case ACPI_REFCLASS_LOCAL: - case ACPI_REFCLASS_ARG: - case ACPI_REFCLASS_DEBUG: - - /* The referenced object is the pseudo-node for the local/arg */ - - referenced_obj = obj_desc->reference.object; - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown Reference Class %2.2X", - obj_desc->reference.class)); - return_ACPI_STATUS(AE_AML_INTERNAL); - } - break; - - case ACPI_DESC_TYPE_NAMED: - - /* - * A named reference that has already been resolved to a Node - */ - referenced_obj = obj_desc; - break; - - default: - - ACPI_ERROR((AE_INFO, "Invalid descriptor type %X", - ACPI_GET_DESCRIPTOR_TYPE(obj_desc))); - return_ACPI_STATUS(AE_TYPE); - } - - /* Create a new reference object */ - - reference_obj = - acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE); - if (!reference_obj) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - reference_obj->reference.class = ACPI_REFCLASS_REFOF; - reference_obj->reference.object = referenced_obj; - *return_desc = reference_obj; - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Object %p Type [%s], returning Reference %p\n", - obj_desc, acpi_ut_get_object_type_name(obj_desc), - *return_desc)); - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_concat_template - * - * PARAMETERS: Operand0 - First source object - * Operand1 - Second source object - * actual_return_desc - Where to place the return object - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Concatenate two resource templates - * - ******************************************************************************/ - -acpi_status -acpi_ex_concat_template(union acpi_operand_object *operand0, - union acpi_operand_object *operand1, - union acpi_operand_object **actual_return_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - union acpi_operand_object *return_desc; - u8 *new_buf; - u8 *end_tag; - acpi_size length0; - acpi_size length1; - acpi_size new_length; - - ACPI_FUNCTION_TRACE(ex_concat_template); - - /* - * Find the end_tag descriptor in each resource template. - * Note1: returned pointers point TO the end_tag, not past it. - * Note2: zero-length buffers are allowed; treated like one end_tag - */ - - /* Get the length of the first resource template */ - - status = acpi_ut_get_resource_end_tag(operand0, &end_tag); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - length0 = ACPI_PTR_DIFF(end_tag, operand0->buffer.pointer); - - /* Get the length of the second resource template */ - - status = acpi_ut_get_resource_end_tag(operand1, &end_tag); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - length1 = ACPI_PTR_DIFF(end_tag, operand1->buffer.pointer); - - /* Combine both lengths, minimum size will be 2 for end_tag */ - - new_length = length0 + length1 + sizeof(struct aml_resource_end_tag); - - /* Create a new buffer object for the result (with one end_tag) */ - - return_desc = acpi_ut_create_buffer_object(new_length); - if (!return_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* - * Copy the templates to the new buffer, 0 first, then 1 follows. One - * end_tag descriptor is copied from Operand1. - */ - new_buf = return_desc->buffer.pointer; - ACPI_MEMCPY(new_buf, operand0->buffer.pointer, length0); - ACPI_MEMCPY(new_buf + length0, operand1->buffer.pointer, length1); - - /* Insert end_tag and set the checksum to zero, means "ignore checksum" */ - - new_buf[new_length - 1] = 0; - new_buf[new_length - 2] = ACPI_RESOURCE_NAME_END_TAG | 1; - - /* Return the completed resource template */ - - *actual_return_desc = return_desc; - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_do_concatenate - * - * PARAMETERS: Operand0 - First source object - * Operand1 - Second source object - * actual_return_desc - Where to place the return object - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Concatenate two objects OF THE SAME TYPE. - * - ******************************************************************************/ - -acpi_status -acpi_ex_do_concatenate(union acpi_operand_object *operand0, - union acpi_operand_object *operand1, - union acpi_operand_object **actual_return_desc, - struct acpi_walk_state *walk_state) -{ - union acpi_operand_object *local_operand1 = operand1; - union acpi_operand_object *return_desc; - char *new_buf; - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_do_concatenate); - - /* - * Convert the second operand if necessary. The first operand - * determines the type of the second operand, (See the Data Types - * section of the ACPI specification.) Both object types are - * guaranteed to be either Integer/String/Buffer by the operand - * resolution mechanism. - */ - switch (ACPI_GET_OBJECT_TYPE(operand0)) { - case ACPI_TYPE_INTEGER: - status = - acpi_ex_convert_to_integer(operand1, &local_operand1, 16); - break; - - case ACPI_TYPE_STRING: - status = acpi_ex_convert_to_string(operand1, &local_operand1, - ACPI_IMPLICIT_CONVERT_HEX); - break; - - case ACPI_TYPE_BUFFER: - status = acpi_ex_convert_to_buffer(operand1, &local_operand1); - break; - - default: - ACPI_ERROR((AE_INFO, "Invalid object type: %X", - ACPI_GET_OBJECT_TYPE(operand0))); - status = AE_AML_INTERNAL; - } - - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* - * Both operands are now known to be the same object type - * (Both are Integer, String, or Buffer), and we can now perform the - * concatenation. - */ - - /* - * There are three cases to handle: - * - * 1) Two Integers concatenated to produce a new Buffer - * 2) Two Strings concatenated to produce a new String - * 3) Two Buffers concatenated to produce a new Buffer - */ - switch (ACPI_GET_OBJECT_TYPE(operand0)) { - case ACPI_TYPE_INTEGER: - - /* Result of two Integers is a Buffer */ - /* Need enough buffer space for two integers */ - - return_desc = acpi_ut_create_buffer_object((acpi_size) - ACPI_MUL_2 - (acpi_gbl_integer_byte_width)); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - new_buf = (char *)return_desc->buffer.pointer; - - /* Copy the first integer, LSB first */ - - ACPI_MEMCPY(new_buf, &operand0->integer.value, - acpi_gbl_integer_byte_width); - - /* Copy the second integer (LSB first) after the first */ - - ACPI_MEMCPY(new_buf + acpi_gbl_integer_byte_width, - &local_operand1->integer.value, - acpi_gbl_integer_byte_width); - break; - - case ACPI_TYPE_STRING: - - /* Result of two Strings is a String */ - - return_desc = acpi_ut_create_string_object(((acpi_size) - operand0->string. - length + - local_operand1-> - string.length)); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - new_buf = return_desc->string.pointer; - - /* Concatenate the strings */ - - ACPI_STRCPY(new_buf, operand0->string.pointer); - ACPI_STRCPY(new_buf + operand0->string.length, - local_operand1->string.pointer); - break; - - case ACPI_TYPE_BUFFER: - - /* Result of two Buffers is a Buffer */ - - return_desc = acpi_ut_create_buffer_object(((acpi_size) - operand0->buffer. - length + - local_operand1-> - buffer.length)); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - new_buf = (char *)return_desc->buffer.pointer; - - /* Concatenate the buffers */ - - ACPI_MEMCPY(new_buf, operand0->buffer.pointer, - operand0->buffer.length); - ACPI_MEMCPY(new_buf + operand0->buffer.length, - local_operand1->buffer.pointer, - local_operand1->buffer.length); - break; - - default: - - /* Invalid object type, should not happen here */ - - ACPI_ERROR((AE_INFO, "Invalid object type: %X", - ACPI_GET_OBJECT_TYPE(operand0))); - status = AE_AML_INTERNAL; - goto cleanup; - } - - *actual_return_desc = return_desc; - - cleanup: - if (local_operand1 != operand1) { - acpi_ut_remove_reference(local_operand1); - } - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_do_math_op - * - * PARAMETERS: Opcode - AML opcode - * Integer0 - Integer operand #0 - * Integer1 - Integer operand #1 - * - * RETURN: Integer result of the operation - * - * DESCRIPTION: Execute a math AML opcode. The purpose of having all of the - * math functions here is to prevent a lot of pointer dereferencing - * to obtain the operands. - * - ******************************************************************************/ - -acpi_integer -acpi_ex_do_math_op(u16 opcode, acpi_integer integer0, acpi_integer integer1) -{ - - ACPI_FUNCTION_ENTRY(); - - switch (opcode) { - case AML_ADD_OP: /* Add (Integer0, Integer1, Result) */ - - return (integer0 + integer1); - - case AML_BIT_AND_OP: /* And (Integer0, Integer1, Result) */ - - return (integer0 & integer1); - - case AML_BIT_NAND_OP: /* NAnd (Integer0, Integer1, Result) */ - - return (~(integer0 & integer1)); - - case AML_BIT_OR_OP: /* Or (Integer0, Integer1, Result) */ - - return (integer0 | integer1); - - case AML_BIT_NOR_OP: /* NOr (Integer0, Integer1, Result) */ - - return (~(integer0 | integer1)); - - case AML_BIT_XOR_OP: /* XOr (Integer0, Integer1, Result) */ - - return (integer0 ^ integer1); - - case AML_MULTIPLY_OP: /* Multiply (Integer0, Integer1, Result) */ - - return (integer0 * integer1); - - case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */ - - /* - * We need to check if the shiftcount is larger than the integer bit - * width since the behavior of this is not well-defined in the C language. - */ - if (integer1 >= acpi_gbl_integer_bit_width) { - return (0); - } - return (integer0 << integer1); - - case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */ - - /* - * We need to check if the shiftcount is larger than the integer bit - * width since the behavior of this is not well-defined in the C language. - */ - if (integer1 >= acpi_gbl_integer_bit_width) { - return (0); - } - return (integer0 >> integer1); - - case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */ - - return (integer0 - integer1); - - default: - - return (0); - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_do_logical_numeric_op - * - * PARAMETERS: Opcode - AML opcode - * Integer0 - Integer operand #0 - * Integer1 - Integer operand #1 - * logical_result - TRUE/FALSE result of the operation - * - * RETURN: Status - * - * DESCRIPTION: Execute a logical "Numeric" AML opcode. For these Numeric - * operators (LAnd and LOr), both operands must be integers. - * - * Note: cleanest machine code seems to be produced by the code - * below, rather than using statements of the form: - * Result = (Integer0 && Integer1); - * - ******************************************************************************/ - -acpi_status -acpi_ex_do_logical_numeric_op(u16 opcode, - acpi_integer integer0, - acpi_integer integer1, u8 * logical_result) -{ - acpi_status status = AE_OK; - u8 local_result = FALSE; - - ACPI_FUNCTION_TRACE(ex_do_logical_numeric_op); - - switch (opcode) { - case AML_LAND_OP: /* LAnd (Integer0, Integer1) */ - - if (integer0 && integer1) { - local_result = TRUE; - } - break; - - case AML_LOR_OP: /* LOr (Integer0, Integer1) */ - - if (integer0 || integer1) { - local_result = TRUE; - } - break; - - default: - status = AE_AML_INTERNAL; - break; - } - - /* Return the logical result and status */ - - *logical_result = local_result; - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_do_logical_op - * - * PARAMETERS: Opcode - AML opcode - * Operand0 - operand #0 - * Operand1 - operand #1 - * logical_result - TRUE/FALSE result of the operation - * - * RETURN: Status - * - * DESCRIPTION: Execute a logical AML opcode. The purpose of having all of the - * functions here is to prevent a lot of pointer dereferencing - * to obtain the operands and to simplify the generation of the - * logical value. For the Numeric operators (LAnd and LOr), both - * operands must be integers. For the other logical operators, - * operands can be any combination of Integer/String/Buffer. The - * first operand determines the type to which the second operand - * will be converted. - * - * Note: cleanest machine code seems to be produced by the code - * below, rather than using statements of the form: - * Result = (Operand0 == Operand1); - * - ******************************************************************************/ - -acpi_status -acpi_ex_do_logical_op(u16 opcode, - union acpi_operand_object *operand0, - union acpi_operand_object *operand1, u8 * logical_result) -{ - union acpi_operand_object *local_operand1 = operand1; - acpi_integer integer0; - acpi_integer integer1; - u32 length0; - u32 length1; - acpi_status status = AE_OK; - u8 local_result = FALSE; - int compare; - - ACPI_FUNCTION_TRACE(ex_do_logical_op); - - /* - * Convert the second operand if necessary. The first operand - * determines the type of the second operand, (See the Data Types - * section of the ACPI 3.0+ specification.) Both object types are - * guaranteed to be either Integer/String/Buffer by the operand - * resolution mechanism. - */ - switch (ACPI_GET_OBJECT_TYPE(operand0)) { - case ACPI_TYPE_INTEGER: - status = - acpi_ex_convert_to_integer(operand1, &local_operand1, 16); - break; - - case ACPI_TYPE_STRING: - status = acpi_ex_convert_to_string(operand1, &local_operand1, - ACPI_IMPLICIT_CONVERT_HEX); - break; - - case ACPI_TYPE_BUFFER: - status = acpi_ex_convert_to_buffer(operand1, &local_operand1); - break; - - default: - status = AE_AML_INTERNAL; - break; - } - - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* - * Two cases: 1) Both Integers, 2) Both Strings or Buffers - */ - if (ACPI_GET_OBJECT_TYPE(operand0) == ACPI_TYPE_INTEGER) { - /* - * 1) Both operands are of type integer - * Note: local_operand1 may have changed above - */ - integer0 = operand0->integer.value; - integer1 = local_operand1->integer.value; - - switch (opcode) { - case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */ - - if (integer0 == integer1) { - local_result = TRUE; - } - break; - - case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */ - - if (integer0 > integer1) { - local_result = TRUE; - } - break; - - case AML_LLESS_OP: /* LLess (Operand0, Operand1) */ - - if (integer0 < integer1) { - local_result = TRUE; - } - break; - - default: - status = AE_AML_INTERNAL; - break; - } - } else { - /* - * 2) Both operands are Strings or both are Buffers - * Note: Code below takes advantage of common Buffer/String - * object fields. local_operand1 may have changed above. Use - * memcmp to handle nulls in buffers. - */ - length0 = operand0->buffer.length; - length1 = local_operand1->buffer.length; - - /* Lexicographic compare: compare the data bytes */ - - compare = ACPI_MEMCMP(operand0->buffer.pointer, - local_operand1->buffer.pointer, - (length0 > length1) ? length1 : length0); - - switch (opcode) { - case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */ - - /* Length and all bytes must be equal */ - - if ((length0 == length1) && (compare == 0)) { - - /* Length and all bytes match ==> TRUE */ - - local_result = TRUE; - } - break; - - case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */ - - if (compare > 0) { - local_result = TRUE; - goto cleanup; /* TRUE */ - } - if (compare < 0) { - goto cleanup; /* FALSE */ - } - - /* Bytes match (to shortest length), compare lengths */ - - if (length0 > length1) { - local_result = TRUE; - } - break; - - case AML_LLESS_OP: /* LLess (Operand0, Operand1) */ - - if (compare > 0) { - goto cleanup; /* FALSE */ - } - if (compare < 0) { - local_result = TRUE; - goto cleanup; /* TRUE */ - } - - /* Bytes match (to shortest length), compare lengths */ - - if (length0 < length1) { - local_result = TRUE; - } - break; - - default: - status = AE_AML_INTERNAL; - break; - } - } - - cleanup: - - /* New object was created if implicit conversion performed - delete */ - - if (local_operand1 != operand1) { - acpi_ut_remove_reference(local_operand1); - } - - /* Return the logical result and status */ - - *logical_result = local_result; - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c deleted file mode 100644 index f86bcee8d656..000000000000 --- a/drivers/acpi/executer/exmutex.c +++ /dev/null @@ -1,474 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exmutex - ASL Mutex Acquire/Release functions - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/acevents.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exmutex") - -/* Local prototypes */ -static void -acpi_ex_link_mutex(union acpi_operand_object *obj_desc, - struct acpi_thread_state *thread); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_unlink_mutex - * - * PARAMETERS: obj_desc - The mutex to be unlinked - * - * RETURN: None - * - * DESCRIPTION: Remove a mutex from the "AcquiredMutex" list - * - ******************************************************************************/ - -void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc) -{ - struct acpi_thread_state *thread = obj_desc->mutex.owner_thread; - - if (!thread) { - return; - } - - /* Doubly linked list */ - - if (obj_desc->mutex.next) { - (obj_desc->mutex.next)->mutex.prev = obj_desc->mutex.prev; - } - - if (obj_desc->mutex.prev) { - (obj_desc->mutex.prev)->mutex.next = obj_desc->mutex.next; - } else { - thread->acquired_mutex_list = obj_desc->mutex.next; - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_link_mutex - * - * PARAMETERS: obj_desc - The mutex to be linked - * Thread - Current executing thread object - * - * RETURN: None - * - * DESCRIPTION: Add a mutex to the "AcquiredMutex" list for this walk - * - ******************************************************************************/ - -static void -acpi_ex_link_mutex(union acpi_operand_object *obj_desc, - struct acpi_thread_state *thread) -{ - union acpi_operand_object *list_head; - - list_head = thread->acquired_mutex_list; - - /* This object will be the first object in the list */ - - obj_desc->mutex.prev = NULL; - obj_desc->mutex.next = list_head; - - /* Update old first object to point back to this object */ - - if (list_head) { - list_head->mutex.prev = obj_desc; - } - - /* Update list head */ - - thread->acquired_mutex_list = obj_desc; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_acquire_mutex_object - * - * PARAMETERS: time_desc - Timeout in milliseconds - * obj_desc - Mutex object - * Thread - Current thread state - * - * RETURN: Status - * - * DESCRIPTION: Acquire an AML mutex, low-level interface. Provides a common - * path that supports multiple acquires by the same thread. - * - * MUTEX: Interpreter must be locked - * - * NOTE: This interface is called from three places: - * 1) From acpi_ex_acquire_mutex, via an AML Acquire() operator - * 2) From acpi_ex_acquire_global_lock when an AML Field access requires the - * global lock - * 3) From the external interface, acpi_acquire_global_lock - * - ******************************************************************************/ - -acpi_status -acpi_ex_acquire_mutex_object(u16 timeout, - union acpi_operand_object *obj_desc, - acpi_thread_id thread_id) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE_PTR(ex_acquire_mutex_object, obj_desc); - - if (!obj_desc) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Support for multiple acquires by the owning thread */ - - if (obj_desc->mutex.thread_id == thread_id) { - /* - * The mutex is already owned by this thread, just increment the - * acquisition depth - */ - obj_desc->mutex.acquisition_depth++; - return_ACPI_STATUS(AE_OK); - } - - /* Acquire the mutex, wait if necessary. Special case for Global Lock */ - - if (obj_desc == acpi_gbl_global_lock_mutex) { - status = acpi_ev_acquire_global_lock(timeout); - } else { - status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex, - timeout); - } - - if (ACPI_FAILURE(status)) { - - /* Includes failure from a timeout on time_desc */ - - return_ACPI_STATUS(status); - } - - /* Acquired the mutex: update mutex object */ - - obj_desc->mutex.thread_id = thread_id; - obj_desc->mutex.acquisition_depth = 1; - obj_desc->mutex.original_sync_level = 0; - obj_desc->mutex.owner_thread = NULL; /* Used only for AML Acquire() */ - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_acquire_mutex - * - * PARAMETERS: time_desc - Timeout integer - * obj_desc - Mutex object - * walk_state - Current method execution state - * - * RETURN: Status - * - * DESCRIPTION: Acquire an AML mutex - * - ******************************************************************************/ - -acpi_status -acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, - union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE_PTR(ex_acquire_mutex, obj_desc); - - if (!obj_desc) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Must have a valid thread ID */ - - if (!walk_state->thread) { - ACPI_ERROR((AE_INFO, - "Cannot acquire Mutex [%4.4s], null thread info", - acpi_ut_get_node_name(obj_desc->mutex.node))); - return_ACPI_STATUS(AE_AML_INTERNAL); - } - - /* - * Current sync level must be less than or equal to the sync level of the - * mutex. This mechanism provides some deadlock prevention - */ - if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) { - ACPI_ERROR((AE_INFO, - "Cannot acquire Mutex [%4.4s], current SyncLevel is too large (%d)", - acpi_ut_get_node_name(obj_desc->mutex.node), - walk_state->thread->current_sync_level)); - return_ACPI_STATUS(AE_AML_MUTEX_ORDER); - } - - status = acpi_ex_acquire_mutex_object((u16) time_desc->integer.value, - obj_desc, - walk_state->thread->thread_id); - if (ACPI_SUCCESS(status) && obj_desc->mutex.acquisition_depth == 1) { - - /* Save Thread object, original/current sync levels */ - - obj_desc->mutex.owner_thread = walk_state->thread; - obj_desc->mutex.original_sync_level = - walk_state->thread->current_sync_level; - walk_state->thread->current_sync_level = - obj_desc->mutex.sync_level; - - /* Link the mutex to the current thread for force-unlock at method exit */ - - acpi_ex_link_mutex(obj_desc, walk_state->thread); - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_release_mutex_object - * - * PARAMETERS: obj_desc - The object descriptor for this op - * - * RETURN: Status - * - * DESCRIPTION: Release a previously acquired Mutex, low level interface. - * Provides a common path that supports multiple releases (after - * previous multiple acquires) by the same thread. - * - * MUTEX: Interpreter must be locked - * - * NOTE: This interface is called from three places: - * 1) From acpi_ex_release_mutex, via an AML Acquire() operator - * 2) From acpi_ex_release_global_lock when an AML Field access requires the - * global lock - * 3) From the external interface, acpi_release_global_lock - * - ******************************************************************************/ - -acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_release_mutex_object); - - if (obj_desc->mutex.acquisition_depth == 0) { - return (AE_NOT_ACQUIRED); - } - - /* Match multiple Acquires with multiple Releases */ - - obj_desc->mutex.acquisition_depth--; - if (obj_desc->mutex.acquisition_depth != 0) { - - /* Just decrement the depth and return */ - - return_ACPI_STATUS(AE_OK); - } - - if (obj_desc->mutex.owner_thread) { - - /* Unlink the mutex from the owner's list */ - - acpi_ex_unlink_mutex(obj_desc); - obj_desc->mutex.owner_thread = NULL; - } - - /* Release the mutex, special case for Global Lock */ - - if (obj_desc == acpi_gbl_global_lock_mutex) { - status = acpi_ev_release_global_lock(); - } else { - acpi_os_release_mutex(obj_desc->mutex.os_mutex); - } - - /* Clear mutex info */ - - obj_desc->mutex.thread_id = NULL; - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_release_mutex - * - * PARAMETERS: obj_desc - The object descriptor for this op - * walk_state - Current method execution state - * - * RETURN: Status - * - * DESCRIPTION: Release a previously acquired Mutex. - * - ******************************************************************************/ - -acpi_status -acpi_ex_release_mutex(union acpi_operand_object *obj_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_release_mutex); - - if (!obj_desc) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* The mutex must have been previously acquired in order to release it */ - - if (!obj_desc->mutex.owner_thread) { - ACPI_ERROR((AE_INFO, - "Cannot release Mutex [%4.4s], not acquired", - acpi_ut_get_node_name(obj_desc->mutex.node))); - return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED); - } - - /* - * The Mutex is owned, but this thread must be the owner. - * Special case for Global Lock, any thread can release - */ - if ((obj_desc->mutex.owner_thread->thread_id != - walk_state->thread->thread_id) - && (obj_desc != acpi_gbl_global_lock_mutex)) { - ACPI_ERROR((AE_INFO, - "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX", - (unsigned long)walk_state->thread->thread_id, - acpi_ut_get_node_name(obj_desc->mutex.node), - (unsigned long)obj_desc->mutex.owner_thread-> - thread_id)); - return_ACPI_STATUS(AE_AML_NOT_OWNER); - } - - /* Must have a valid thread ID */ - - if (!walk_state->thread) { - ACPI_ERROR((AE_INFO, - "Cannot release Mutex [%4.4s], null thread info", - acpi_ut_get_node_name(obj_desc->mutex.node))); - return_ACPI_STATUS(AE_AML_INTERNAL); - } - - /* - * The sync level of the mutex must be less than or equal to the current - * sync level - */ - if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) { - ACPI_ERROR((AE_INFO, - "Cannot release Mutex [%4.4s], SyncLevel mismatch: mutex %d current %d", - acpi_ut_get_node_name(obj_desc->mutex.node), - obj_desc->mutex.sync_level, - walk_state->thread->current_sync_level)); - return_ACPI_STATUS(AE_AML_MUTEX_ORDER); - } - - status = acpi_ex_release_mutex_object(obj_desc); - - if (obj_desc->mutex.acquisition_depth == 0) { - - /* Restore the original sync_level */ - - walk_state->thread->current_sync_level = - obj_desc->mutex.original_sync_level; - } - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_release_all_mutexes - * - * PARAMETERS: Thread - Current executing thread object - * - * RETURN: Status - * - * DESCRIPTION: Release all mutexes held by this thread - * - * NOTE: This function is called as the thread is exiting the interpreter. - * Mutexes are not released when an individual control method is exited, but - * only when the parent thread actually exits the interpreter. This allows one - * method to acquire a mutex, and a different method to release it, as long as - * this is performed underneath a single parent control method. - * - ******************************************************************************/ - -void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) -{ - union acpi_operand_object *next = thread->acquired_mutex_list; - union acpi_operand_object *obj_desc; - - ACPI_FUNCTION_ENTRY(); - - /* Traverse the list of owned mutexes, releasing each one */ - - while (next) { - obj_desc = next; - next = obj_desc->mutex.next; - - obj_desc->mutex.prev = NULL; - obj_desc->mutex.next = NULL; - obj_desc->mutex.acquisition_depth = 0; - - /* Release the mutex, special case for Global Lock */ - - if (obj_desc == acpi_gbl_global_lock_mutex) { - - /* Ignore errors */ - - (void)acpi_ev_release_global_lock(); - } else { - acpi_os_release_mutex(obj_desc->mutex.os_mutex); - } - - /* Mark mutex unowned */ - - obj_desc->mutex.owner_thread = NULL; - obj_desc->mutex.thread_id = NULL; - - /* Update Thread sync_level (Last mutex is the important one) */ - - thread->current_sync_level = - obj_desc->mutex.original_sync_level; - } -} diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c deleted file mode 100644 index 12d3513531e1..000000000000 --- a/drivers/acpi/executer/exnames.c +++ /dev/null @@ -1,436 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exnames - interpreter/scanner name load/execute - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exnames") - -/* Local prototypes */ -static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs); - -static acpi_status -acpi_ex_name_segment(u8 ** in_aml_address, char *name_string); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_allocate_name_string - * - * PARAMETERS: prefix_count - Count of parent levels. Special cases: - * (-1)==root, 0==none - * num_name_segs - count of 4-character name segments - * - * RETURN: A pointer to the allocated string segment. This segment must - * be deleted by the caller. - * - * DESCRIPTION: Allocate a buffer for a name string. Ensure allocated name - * string is long enough, and set up prefix if any. - * - ******************************************************************************/ - -static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs) -{ - char *temp_ptr; - char *name_string; - u32 size_needed; - - ACPI_FUNCTION_TRACE(ex_allocate_name_string); - - /* - * Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix. - * Also, one byte for the null terminator. - * This may actually be somewhat longer than needed. - */ - if (prefix_count == ACPI_UINT32_MAX) { - - /* Special case for root */ - - size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1; - } else { - size_needed = - prefix_count + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1; - } - - /* - * Allocate a buffer for the name. - * This buffer must be deleted by the caller! - */ - name_string = ACPI_ALLOCATE(size_needed); - if (!name_string) { - ACPI_ERROR((AE_INFO, - "Could not allocate size %d", size_needed)); - return_PTR(NULL); - } - - temp_ptr = name_string; - - /* Set up Root or Parent prefixes if needed */ - - if (prefix_count == ACPI_UINT32_MAX) { - *temp_ptr++ = AML_ROOT_PREFIX; - } else { - while (prefix_count--) { - *temp_ptr++ = AML_PARENT_PREFIX; - } - } - - /* Set up Dual or Multi prefixes if needed */ - - if (num_name_segs > 2) { - - /* Set up multi prefixes */ - - *temp_ptr++ = AML_MULTI_NAME_PREFIX_OP; - *temp_ptr++ = (char)num_name_segs; - } else if (2 == num_name_segs) { - - /* Set up dual prefixes */ - - *temp_ptr++ = AML_DUAL_NAME_PREFIX; - } - - /* - * Terminate string following prefixes. acpi_ex_name_segment() will - * append the segment(s) - */ - *temp_ptr = 0; - - return_PTR(name_string); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_name_segment - * - * PARAMETERS: in_aml_address - Pointer to the name in the AML code - * name_string - Where to return the name. The name is appended - * to any existing string to form a namepath - * - * RETURN: Status - * - * DESCRIPTION: Extract an ACPI name (4 bytes) from the AML byte stream - * - ******************************************************************************/ - -static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string) -{ - char *aml_address = (void *)*in_aml_address; - acpi_status status = AE_OK; - u32 index; - char char_buf[5]; - - ACPI_FUNCTION_TRACE(ex_name_segment); - - /* - * If first character is a digit, then we know that we aren't looking at a - * valid name segment - */ - char_buf[0] = *aml_address; - - if ('0' <= char_buf[0] && char_buf[0] <= '9') { - ACPI_ERROR((AE_INFO, "Invalid leading digit: %c", char_buf[0])); - return_ACPI_STATUS(AE_CTRL_PENDING); - } - - ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Bytes from stream:\n")); - - for (index = 0; (index < ACPI_NAME_SIZE) - && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) { - char_buf[index] = *aml_address++; - ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index])); - } - - /* Valid name segment */ - - if (index == 4) { - - /* Found 4 valid characters */ - - char_buf[4] = '\0'; - - if (name_string) { - ACPI_STRCAT(name_string, char_buf); - ACPI_DEBUG_PRINT((ACPI_DB_NAMES, - "Appended to - %s\n", name_string)); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_NAMES, - "No Name string - %s\n", char_buf)); - } - } else if (index == 0) { - /* - * First character was not a valid name character, - * so we are looking at something other than a name. - */ - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Leading character is not alpha: %02Xh (not a name)\n", - char_buf[0])); - status = AE_CTRL_PENDING; - } else { - /* - * Segment started with one or more valid characters, but fewer than - * the required 4 - */ - status = AE_AML_BAD_NAME; - ACPI_ERROR((AE_INFO, - "Bad character %02x in name, at %p", - *aml_address, aml_address)); - } - - *in_aml_address = ACPI_CAST_PTR(u8, aml_address); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_get_name_string - * - * PARAMETERS: data_type - Object type to be associated with this - * name - * in_aml_address - Pointer to the namestring in the AML code - * out_name_string - Where the namestring is returned - * out_name_length - Length of the returned string - * - * RETURN: Status, namestring and length - * - * DESCRIPTION: Extract a full namepath from the AML byte stream, - * including any prefixes. - * - ******************************************************************************/ - -acpi_status -acpi_ex_get_name_string(acpi_object_type data_type, - u8 * in_aml_address, - char **out_name_string, u32 * out_name_length) -{ - acpi_status status = AE_OK; - u8 *aml_address = in_aml_address; - char *name_string = NULL; - u32 num_segments; - u32 prefix_count = 0; - u8 has_prefix = FALSE; - - ACPI_FUNCTION_TRACE_PTR(ex_get_name_string, aml_address); - - if (ACPI_TYPE_LOCAL_REGION_FIELD == data_type || - ACPI_TYPE_LOCAL_BANK_FIELD == data_type || - ACPI_TYPE_LOCAL_INDEX_FIELD == data_type) { - - /* Disallow prefixes for types associated with field_unit names */ - - name_string = acpi_ex_allocate_name_string(0, 1); - if (!name_string) { - status = AE_NO_MEMORY; - } else { - status = - acpi_ex_name_segment(&aml_address, name_string); - } - } else { - /* - * data_type is not a field name. - * Examine first character of name for root or parent prefix operators - */ - switch (*aml_address) { - case AML_ROOT_PREFIX: - - ACPI_DEBUG_PRINT((ACPI_DB_LOAD, - "RootPrefix(\\) at %p\n", - aml_address)); - - /* - * Remember that we have a root_prefix -- - * see comment in acpi_ex_allocate_name_string() - */ - aml_address++; - prefix_count = ACPI_UINT32_MAX; - has_prefix = TRUE; - break; - - case AML_PARENT_PREFIX: - - /* Increment past possibly multiple parent prefixes */ - - do { - ACPI_DEBUG_PRINT((ACPI_DB_LOAD, - "ParentPrefix (^) at %p\n", - aml_address)); - - aml_address++; - prefix_count++; - - } while (*aml_address == AML_PARENT_PREFIX); - - has_prefix = TRUE; - break; - - default: - - /* Not a prefix character */ - - break; - } - - /* Examine first character of name for name segment prefix operator */ - - switch (*aml_address) { - case AML_DUAL_NAME_PREFIX: - - ACPI_DEBUG_PRINT((ACPI_DB_LOAD, - "DualNamePrefix at %p\n", - aml_address)); - - aml_address++; - name_string = - acpi_ex_allocate_name_string(prefix_count, 2); - if (!name_string) { - status = AE_NO_MEMORY; - break; - } - - /* Indicate that we processed a prefix */ - - has_prefix = TRUE; - - status = - acpi_ex_name_segment(&aml_address, name_string); - if (ACPI_SUCCESS(status)) { - status = - acpi_ex_name_segment(&aml_address, - name_string); - } - break; - - case AML_MULTI_NAME_PREFIX_OP: - - ACPI_DEBUG_PRINT((ACPI_DB_LOAD, - "MultiNamePrefix at %p\n", - aml_address)); - - /* Fetch count of segments remaining in name path */ - - aml_address++; - num_segments = *aml_address; - - name_string = - acpi_ex_allocate_name_string(prefix_count, - num_segments); - if (!name_string) { - status = AE_NO_MEMORY; - break; - } - - /* Indicate that we processed a prefix */ - - aml_address++; - has_prefix = TRUE; - - while (num_segments && - (status = - acpi_ex_name_segment(&aml_address, - name_string)) == AE_OK) { - num_segments--; - } - - break; - - case 0: - - /* null_name valid as of 8-12-98 ASL/AML Grammar Update */ - - if (prefix_count == ACPI_UINT32_MAX) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "NameSeg is \"\\\" followed by NULL\n")); - } - - /* Consume the NULL byte */ - - aml_address++; - name_string = - acpi_ex_allocate_name_string(prefix_count, 0); - if (!name_string) { - status = AE_NO_MEMORY; - break; - } - - break; - - default: - - /* Name segment string */ - - name_string = - acpi_ex_allocate_name_string(prefix_count, 1); - if (!name_string) { - status = AE_NO_MEMORY; - break; - } - - status = - acpi_ex_name_segment(&aml_address, name_string); - break; - } - } - - if (AE_CTRL_PENDING == status && has_prefix) { - - /* Ran out of segments after processing a prefix */ - - ACPI_ERROR((AE_INFO, "Malformed Name at %p", name_string)); - status = AE_AML_BAD_NAME; - } - - if (ACPI_FAILURE(status)) { - if (name_string) { - ACPI_FREE(name_string); - } - return_ACPI_STATUS(status); - } - - *out_name_string = name_string; - *out_name_length = (u32) (aml_address - in_aml_address); - - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c deleted file mode 100644 index 52d78b8622be..000000000000 --- a/drivers/acpi/executer/exoparg1.c +++ /dev/null @@ -1,1050 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exoparg1 - AML execution - opcodes with 1 argument - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acparser.h> -#include <acpi/acdispat.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exoparg1") - -/*! - * Naming convention for AML interpreter execution routines. - * - * The routines that begin execution of AML opcodes are named with a common - * convention based upon the number of arguments, the number of target operands, - * and whether or not a value is returned: - * - * AcpiExOpcode_xA_yT_zR - * - * Where: - * - * xA - ARGUMENTS: The number of arguments (input operands) that are - * required for this opcode type (0 through 6 args). - * yT - TARGETS: The number of targets (output operands) that are required - * for this opcode type (0, 1, or 2 targets). - * zR - RETURN VALUE: Indicates whether this opcode type returns a value - * as the function return (0 or 1). - * - * The AcpiExOpcode* functions are called via the Dispatcher component with - * fully resolved operands. -!*/ -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_0A_0T_1R - * - * PARAMETERS: walk_state - Current state (contains AML opcode) - * - * RETURN: Status - * - * DESCRIPTION: Execute operator with no operands, one return value - * - ******************************************************************************/ -acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - union acpi_operand_object *return_desc = NULL; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_0A_0T_1R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - /* Examine the AML opcode */ - - switch (walk_state->opcode) { - case AML_TIMER_OP: /* Timer () */ - - /* Create a return object of type Integer */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - return_desc->integer.value = acpi_os_get_timer(); - break; - - default: /* Unknown opcode */ - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - break; - } - - cleanup: - - /* Delete return object on error */ - - if ((ACPI_FAILURE(status)) || walk_state->result_obj) { - acpi_ut_remove_reference(return_desc); - walk_state->result_obj = NULL; - } else { - /* Save the return value */ - - walk_state->result_obj = return_desc; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_1A_0T_0R - * - * PARAMETERS: walk_state - Current state (contains AML opcode) - * - * RETURN: Status - * - * DESCRIPTION: Execute Type 1 monadic operator with numeric operand on - * object stack - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_0T_0R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - /* Examine the AML opcode */ - - switch (walk_state->opcode) { - case AML_RELEASE_OP: /* Release (mutex_object) */ - - status = acpi_ex_release_mutex(operand[0], walk_state); - break; - - case AML_RESET_OP: /* Reset (event_object) */ - - status = acpi_ex_system_reset_event(operand[0]); - break; - - case AML_SIGNAL_OP: /* Signal (event_object) */ - - status = acpi_ex_system_signal_event(operand[0]); - break; - - case AML_SLEEP_OP: /* Sleep (msec_time) */ - - status = acpi_ex_system_do_suspend(operand[0]->integer.value); - break; - - case AML_STALL_OP: /* Stall (usec_time) */ - - status = - acpi_ex_system_do_stall((u32) operand[0]->integer.value); - break; - - case AML_UNLOAD_OP: /* Unload (Handle) */ - - status = acpi_ex_unload_table(operand[0]); - break; - - default: /* Unknown opcode */ - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - break; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_1A_1T_0R - * - * PARAMETERS: walk_state - Current state (contains AML opcode) - * - * RETURN: Status - * - * DESCRIPTION: Execute opcode with one argument, one target, and no - * return value. - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - union acpi_operand_object **operand = &walk_state->operands[0]; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_1T_0R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - /* Examine the AML opcode */ - - switch (walk_state->opcode) { - case AML_LOAD_OP: - - status = acpi_ex_load_op(operand[0], operand[1], walk_state); - break; - - default: /* Unknown opcode */ - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - goto cleanup; - } - - cleanup: - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_1A_1T_1R - * - * PARAMETERS: walk_state - Current state (contains AML opcode) - * - * RETURN: Status - * - * DESCRIPTION: Execute opcode with one argument, one target, and a - * return value. - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *return_desc = NULL; - union acpi_operand_object *return_desc2 = NULL; - u32 temp32; - u32 i; - acpi_integer power_of_ten; - acpi_integer digit; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_1T_1R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - /* Examine the AML opcode */ - - switch (walk_state->opcode) { - case AML_BIT_NOT_OP: - case AML_FIND_SET_LEFT_BIT_OP: - case AML_FIND_SET_RIGHT_BIT_OP: - case AML_FROM_BCD_OP: - case AML_TO_BCD_OP: - case AML_COND_REF_OF_OP: - - /* Create a return object of type Integer for these opcodes */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - switch (walk_state->opcode) { - case AML_BIT_NOT_OP: /* Not (Operand, Result) */ - - return_desc->integer.value = ~operand[0]->integer.value; - break; - - case AML_FIND_SET_LEFT_BIT_OP: /* find_set_left_bit (Operand, Result) */ - - return_desc->integer.value = operand[0]->integer.value; - - /* - * Acpi specification describes Integer type as a little - * endian unsigned value, so this boundary condition is valid. - */ - for (temp32 = 0; return_desc->integer.value && - temp32 < ACPI_INTEGER_BIT_SIZE; ++temp32) { - return_desc->integer.value >>= 1; - } - - return_desc->integer.value = temp32; - break; - - case AML_FIND_SET_RIGHT_BIT_OP: /* find_set_right_bit (Operand, Result) */ - - return_desc->integer.value = operand[0]->integer.value; - - /* - * The Acpi specification describes Integer type as a little - * endian unsigned value, so this boundary condition is valid. - */ - for (temp32 = 0; return_desc->integer.value && - temp32 < ACPI_INTEGER_BIT_SIZE; ++temp32) { - return_desc->integer.value <<= 1; - } - - /* Since the bit position is one-based, subtract from 33 (65) */ - - return_desc->integer.value = - temp32 == - 0 ? 0 : (ACPI_INTEGER_BIT_SIZE + 1) - temp32; - break; - - case AML_FROM_BCD_OP: /* from_bcd (BCDValue, Result) */ - - /* - * The 64-bit ACPI integer can hold 16 4-bit BCD characters - * (if table is 32-bit, integer can hold 8 BCD characters) - * Convert each 4-bit BCD value - */ - power_of_ten = 1; - return_desc->integer.value = 0; - digit = operand[0]->integer.value; - - /* Convert each BCD digit (each is one nybble wide) */ - - for (i = 0; - (i < acpi_gbl_integer_nybble_width) && (digit > 0); - i++) { - - /* Get the least significant 4-bit BCD digit */ - - temp32 = ((u32) digit) & 0xF; - - /* Check the range of the digit */ - - if (temp32 > 9) { - ACPI_ERROR((AE_INFO, - "BCD digit too large (not decimal): 0x%X", - temp32)); - - status = AE_AML_NUMERIC_OVERFLOW; - goto cleanup; - } - - /* Sum the digit into the result with the current power of 10 */ - - return_desc->integer.value += - (((acpi_integer) temp32) * power_of_ten); - - /* Shift to next BCD digit */ - - digit >>= 4; - - /* Next power of 10 */ - - power_of_ten *= 10; - } - break; - - case AML_TO_BCD_OP: /* to_bcd (Operand, Result) */ - - return_desc->integer.value = 0; - digit = operand[0]->integer.value; - - /* Each BCD digit is one nybble wide */ - - for (i = 0; - (i < acpi_gbl_integer_nybble_width) && (digit > 0); - i++) { - (void)acpi_ut_short_divide(digit, 10, &digit, - &temp32); - - /* - * Insert the BCD digit that resides in the - * remainder from above - */ - return_desc->integer.value |= - (((acpi_integer) temp32) << ACPI_MUL_4(i)); - } - - /* Overflow if there is any data left in Digit */ - - if (digit > 0) { - ACPI_ERROR((AE_INFO, - "Integer too large to convert to BCD: %8.8X%8.8X", - ACPI_FORMAT_UINT64(operand[0]-> - integer.value))); - status = AE_AML_NUMERIC_OVERFLOW; - goto cleanup; - } - break; - - case AML_COND_REF_OF_OP: /* cond_ref_of (source_object, Result) */ - - /* - * This op is a little strange because the internal return value is - * different than the return value stored in the result descriptor - * (There are really two return values) - */ - if ((struct acpi_namespace_node *)operand[0] == - acpi_gbl_root_node) { - /* - * This means that the object does not exist in the namespace, - * return FALSE - */ - return_desc->integer.value = 0; - goto cleanup; - } - - /* Get the object reference, store it, and remove our reference */ - - status = acpi_ex_get_object_reference(operand[0], - &return_desc2, - walk_state); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - status = - acpi_ex_store(return_desc2, operand[1], walk_state); - acpi_ut_remove_reference(return_desc2); - - /* The object exists in the namespace, return TRUE */ - - return_desc->integer.value = ACPI_INTEGER_MAX; - goto cleanup; - - default: - /* No other opcodes get here */ - break; - } - break; - - case AML_STORE_OP: /* Store (Source, Target) */ - - /* - * A store operand is typically a number, string, buffer or lvalue - * Be careful about deleting the source object, - * since the object itself may have been stored. - */ - status = acpi_ex_store(operand[0], operand[1], walk_state); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* It is possible that the Store already produced a return object */ - - if (!walk_state->result_obj) { - /* - * Normally, we would remove a reference on the Operand[0] - * parameter; But since it is being used as the internal return - * object (meaning we would normally increment it), the two - * cancel out, and we simply don't do anything. - */ - walk_state->result_obj = operand[0]; - walk_state->operands[0] = NULL; /* Prevent deletion */ - } - return_ACPI_STATUS(status); - - /* - * ACPI 2.0 Opcodes - */ - case AML_COPY_OP: /* Copy (Source, Target) */ - - status = - acpi_ut_copy_iobject_to_iobject(operand[0], &return_desc, - walk_state); - break; - - case AML_TO_DECSTRING_OP: /* to_decimal_string (Data, Result) */ - - status = acpi_ex_convert_to_string(operand[0], &return_desc, - ACPI_EXPLICIT_CONVERT_DECIMAL); - if (return_desc == operand[0]) { - - /* No conversion performed, add ref to handle return value */ - acpi_ut_add_reference(return_desc); - } - break; - - case AML_TO_HEXSTRING_OP: /* to_hex_string (Data, Result) */ - - status = acpi_ex_convert_to_string(operand[0], &return_desc, - ACPI_EXPLICIT_CONVERT_HEX); - if (return_desc == operand[0]) { - - /* No conversion performed, add ref to handle return value */ - acpi_ut_add_reference(return_desc); - } - break; - - case AML_TO_BUFFER_OP: /* to_buffer (Data, Result) */ - - status = acpi_ex_convert_to_buffer(operand[0], &return_desc); - if (return_desc == operand[0]) { - - /* No conversion performed, add ref to handle return value */ - acpi_ut_add_reference(return_desc); - } - break; - - case AML_TO_INTEGER_OP: /* to_integer (Data, Result) */ - - status = acpi_ex_convert_to_integer(operand[0], &return_desc, - ACPI_ANY_BASE); - if (return_desc == operand[0]) { - - /* No conversion performed, add ref to handle return value */ - acpi_ut_add_reference(return_desc); - } - break; - - case AML_SHIFT_LEFT_BIT_OP: /* shift_left_bit (Source, bit_num) */ - case AML_SHIFT_RIGHT_BIT_OP: /* shift_right_bit (Source, bit_num) */ - - /* These are two obsolete opcodes */ - - ACPI_ERROR((AE_INFO, - "%s is obsolete and not implemented", - acpi_ps_get_opcode_name(walk_state->opcode))); - status = AE_SUPPORT; - goto cleanup; - - default: /* Unknown opcode */ - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - goto cleanup; - } - - if (ACPI_SUCCESS(status)) { - - /* Store the return value computed above into the target object */ - - status = acpi_ex_store(return_desc, operand[1], walk_state); - } - - cleanup: - - /* Delete return object on error */ - - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference(return_desc); - } - - /* Save return object on success */ - - else if (!walk_state->result_obj) { - walk_state->result_obj = return_desc; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_1A_0T_1R - * - * PARAMETERS: walk_state - Current state (contains AML opcode) - * - * RETURN: Status - * - * DESCRIPTION: Execute opcode with one argument, no target, and a return value - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *temp_desc; - union acpi_operand_object *return_desc = NULL; - acpi_status status = AE_OK; - u32 type; - acpi_integer value; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_0T_1R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - /* Examine the AML opcode */ - - switch (walk_state->opcode) { - case AML_LNOT_OP: /* LNot (Operand) */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* - * Set result to ONES (TRUE) if Value == 0. Note: - * return_desc->Integer.Value is initially == 0 (FALSE) from above. - */ - if (!operand[0]->integer.value) { - return_desc->integer.value = ACPI_INTEGER_MAX; - } - break; - - case AML_DECREMENT_OP: /* Decrement (Operand) */ - case AML_INCREMENT_OP: /* Increment (Operand) */ - - /* - * Create a new integer. Can't just get the base integer and - * increment it because it may be an Arg or Field. - */ - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* - * Since we are expecting a Reference operand, it can be either a - * NS Node or an internal object. - */ - temp_desc = operand[0]; - if (ACPI_GET_DESCRIPTOR_TYPE(temp_desc) == - ACPI_DESC_TYPE_OPERAND) { - - /* Internal reference object - prevent deletion */ - - acpi_ut_add_reference(temp_desc); - } - - /* - * Convert the Reference operand to an Integer (This removes a - * reference on the Operand[0] object) - * - * NOTE: We use LNOT_OP here in order to force resolution of the - * reference operand to an actual integer. - */ - status = - acpi_ex_resolve_operands(AML_LNOT_OP, &temp_desc, - walk_state); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "While resolving operands for [%s]", - acpi_ps_get_opcode_name(walk_state-> - opcode))); - - goto cleanup; - } - - /* - * temp_desc is now guaranteed to be an Integer object -- - * Perform the actual increment or decrement - */ - if (walk_state->opcode == AML_INCREMENT_OP) { - return_desc->integer.value = - temp_desc->integer.value + 1; - } else { - return_desc->integer.value = - temp_desc->integer.value - 1; - } - - /* Finished with this Integer object */ - - acpi_ut_remove_reference(temp_desc); - - /* - * Store the result back (indirectly) through the original - * Reference object - */ - status = acpi_ex_store(return_desc, operand[0], walk_state); - break; - - case AML_TYPE_OP: /* object_type (source_object) */ - - /* - * Note: The operand is not resolved at this point because we want to - * get the associated object, not its value. For example, we don't - * want to resolve a field_unit to its value, we want the actual - * field_unit object. - */ - - /* Get the type of the base object */ - - status = - acpi_ex_resolve_multiple(walk_state, operand[0], &type, - NULL); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* Allocate a descriptor to hold the type. */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - return_desc->integer.value = type; - break; - - case AML_SIZE_OF_OP: /* size_of (source_object) */ - - /* - * Note: The operand is not resolved at this point because we want to - * get the associated object, not its value. - */ - - /* Get the base object */ - - status = acpi_ex_resolve_multiple(walk_state, - operand[0], &type, - &temp_desc); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* - * The type of the base object must be integer, buffer, string, or - * package. All others are not supported. - * - * NOTE: Integer is not specifically supported by the ACPI spec, - * but is supported implicitly via implicit operand conversion. - * rather than bother with conversion, we just use the byte width - * global (4 or 8 bytes). - */ - switch (type) { - case ACPI_TYPE_INTEGER: - value = acpi_gbl_integer_byte_width; - break; - - case ACPI_TYPE_STRING: - value = temp_desc->string.length; - break; - - case ACPI_TYPE_BUFFER: - - /* Buffer arguments may not be evaluated at this point */ - - status = acpi_ds_get_buffer_arguments(temp_desc); - value = temp_desc->buffer.length; - break; - - case ACPI_TYPE_PACKAGE: - - /* Package arguments may not be evaluated at this point */ - - status = acpi_ds_get_package_arguments(temp_desc); - value = temp_desc->package.count; - break; - - default: - ACPI_ERROR((AE_INFO, - "Operand must be Buffer/Integer/String/Package - found type %s", - acpi_ut_get_type_name(type))); - status = AE_AML_OPERAND_TYPE; - goto cleanup; - } - - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* - * Now that we have the size of the object, create a result - * object to hold the value - */ - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - return_desc->integer.value = value; - break; - - case AML_REF_OF_OP: /* ref_of (source_object) */ - - status = - acpi_ex_get_object_reference(operand[0], &return_desc, - walk_state); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - break; - - case AML_DEREF_OF_OP: /* deref_of (obj_reference | String) */ - - /* Check for a method local or argument, or standalone String */ - - if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) == - ACPI_DESC_TYPE_NAMED) { - temp_desc = - acpi_ns_get_attached_object((struct - acpi_namespace_node *) - operand[0]); - if (temp_desc - && - ((ACPI_GET_OBJECT_TYPE(temp_desc) == - ACPI_TYPE_STRING) - || (ACPI_GET_OBJECT_TYPE(temp_desc) == - ACPI_TYPE_LOCAL_REFERENCE))) { - operand[0] = temp_desc; - acpi_ut_add_reference(temp_desc); - } else { - status = AE_AML_OPERAND_TYPE; - goto cleanup; - } - } else { - switch (ACPI_GET_OBJECT_TYPE(operand[0])) { - case ACPI_TYPE_LOCAL_REFERENCE: - /* - * This is a deref_of (local_x | arg_x) - * - * Must resolve/dereference the local/arg reference first - */ - switch (operand[0]->reference.class) { - case ACPI_REFCLASS_LOCAL: - case ACPI_REFCLASS_ARG: - - /* Set Operand[0] to the value of the local/arg */ - - status = - acpi_ds_method_data_get_value - (operand[0]->reference.class, - operand[0]->reference.value, - walk_state, &temp_desc); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* - * Delete our reference to the input object and - * point to the object just retrieved - */ - acpi_ut_remove_reference(operand[0]); - operand[0] = temp_desc; - break; - - case ACPI_REFCLASS_REFOF: - - /* Get the object to which the reference refers */ - - temp_desc = - operand[0]->reference.object; - acpi_ut_remove_reference(operand[0]); - operand[0] = temp_desc; - break; - - default: - - /* Must be an Index op - handled below */ - break; - } - break; - - case ACPI_TYPE_STRING: - break; - - default: - status = AE_AML_OPERAND_TYPE; - goto cleanup; - } - } - - if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) != - ACPI_DESC_TYPE_NAMED) { - if (ACPI_GET_OBJECT_TYPE(operand[0]) == - ACPI_TYPE_STRING) { - /* - * This is a deref_of (String). The string is a reference - * to a named ACPI object. - * - * 1) Find the owning Node - * 2) Dereference the node to an actual object. Could be a - * Field, so we need to resolve the node to a value. - */ - status = - acpi_ns_get_node(walk_state->scope_info-> - scope.node, - operand[0]->string.pointer, - ACPI_NS_SEARCH_PARENT, - ACPI_CAST_INDIRECT_PTR - (struct - acpi_namespace_node, - &return_desc)); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - status = - acpi_ex_resolve_node_to_value - (ACPI_CAST_INDIRECT_PTR - (struct acpi_namespace_node, &return_desc), - walk_state); - goto cleanup; - } - } - - /* Operand[0] may have changed from the code above */ - - if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) == - ACPI_DESC_TYPE_NAMED) { - /* - * This is a deref_of (object_reference) - * Get the actual object from the Node (This is the dereference). - * This case may only happen when a local_x or arg_x is - * dereferenced above. - */ - return_desc = acpi_ns_get_attached_object((struct - acpi_namespace_node - *) - operand[0]); - acpi_ut_add_reference(return_desc); - } else { - /* - * This must be a reference object produced by either the - * Index() or ref_of() operator - */ - switch (operand[0]->reference.class) { - case ACPI_REFCLASS_INDEX: - - /* - * The target type for the Index operator must be - * either a Buffer or a Package - */ - switch (operand[0]->reference.target_type) { - case ACPI_TYPE_BUFFER_FIELD: - - temp_desc = - operand[0]->reference.object; - - /* - * Create a new object that contains one element of the - * buffer -- the element pointed to by the index. - * - * NOTE: index into a buffer is NOT a pointer to a - * sub-buffer of the main buffer, it is only a pointer to a - * single element (byte) of the buffer! - */ - return_desc = - acpi_ut_create_internal_object - (ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* - * Since we are returning the value of the buffer at the - * indexed location, we don't need to add an additional - * reference to the buffer itself. - */ - return_desc->integer.value = - temp_desc->buffer. - pointer[operand[0]->reference. - value]; - break; - - case ACPI_TYPE_PACKAGE: - - /* - * Return the referenced element of the package. We must - * add another reference to the referenced object, however. - */ - return_desc = - *(operand[0]->reference.where); - if (return_desc) { - acpi_ut_add_reference - (return_desc); - } - break; - - default: - - ACPI_ERROR((AE_INFO, - "Unknown Index TargetType %X in reference object %p", - operand[0]->reference. - target_type, operand[0])); - status = AE_AML_OPERAND_TYPE; - goto cleanup; - } - break; - - case ACPI_REFCLASS_REFOF: - - return_desc = operand[0]->reference.object; - - if (ACPI_GET_DESCRIPTOR_TYPE(return_desc) == - ACPI_DESC_TYPE_NAMED) { - return_desc = - acpi_ns_get_attached_object((struct - acpi_namespace_node - *) - return_desc); - } - - /* Add another reference to the object! */ - - acpi_ut_add_reference(return_desc); - break; - - default: - ACPI_ERROR((AE_INFO, - "Unknown class in reference(%p) - %2.2X", - operand[0], - operand[0]->reference.class)); - - status = AE_TYPE; - goto cleanup; - } - } - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - goto cleanup; - } - - cleanup: - - /* Delete return object on error */ - - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference(return_desc); - } - - /* Save return object on success */ - - else { - walk_state->result_obj = return_desc; - } - - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c deleted file mode 100644 index b01980df1365..000000000000 --- a/drivers/acpi/executer/exoparg2.c +++ /dev/null @@ -1,605 +0,0 @@ -/****************************************************************************** - * - * Module Name: exoparg2 - AML execution - opcodes with 2 arguments - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acparser.h> -#include <acpi/acinterp.h> -#include <acpi/acevents.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exoparg2") - -/*! - * Naming convention for AML interpreter execution routines. - * - * The routines that begin execution of AML opcodes are named with a common - * convention based upon the number of arguments, the number of target operands, - * and whether or not a value is returned: - * - * AcpiExOpcode_xA_yT_zR - * - * Where: - * - * xA - ARGUMENTS: The number of arguments (input operands) that are - * required for this opcode type (1 through 6 args). - * yT - TARGETS: The number of targets (output operands) that are required - * for this opcode type (0, 1, or 2 targets). - * zR - RETURN VALUE: Indicates whether this opcode type returns a value - * as the function return (0 or 1). - * - * The AcpiExOpcode* functions are called via the Dispatcher component with - * fully resolved operands. -!*/ -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_2A_0T_0R - * - * PARAMETERS: walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute opcode with two arguments, no target, and no return - * value. - * - * ALLOCATION: Deletes both operands - * - ******************************************************************************/ -acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - struct acpi_namespace_node *node; - u32 value; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_0R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - /* Examine the opcode */ - - switch (walk_state->opcode) { - case AML_NOTIFY_OP: /* Notify (notify_object, notify_value) */ - - /* The first operand is a namespace node */ - - node = (struct acpi_namespace_node *)operand[0]; - - /* Second value is the notify value */ - - value = (u32) operand[1]->integer.value; - - /* Are notifies allowed on this object? */ - - if (!acpi_ev_is_notify_object(node)) { - ACPI_ERROR((AE_INFO, - "Unexpected notify object type [%s]", - acpi_ut_get_type_name(node->type))); - - status = AE_AML_OPERAND_TYPE; - break; - } -#ifdef ACPI_GPE_NOTIFY_CHECK - /* - * GPE method wake/notify check. Here, we want to ensure that we - * don't receive any "DeviceWake" Notifies from a GPE _Lxx or _Exx - * GPE method during system runtime. If we do, the GPE is marked - * as "wake-only" and disabled. - * - * 1) Is the Notify() value == device_wake? - * 2) Is this a GPE deferred method? (An _Lxx or _Exx method) - * 3) Did the original GPE happen at system runtime? - * (versus during wake) - * - * If all three cases are true, this is a wake-only GPE that should - * be disabled at runtime. - */ - if (value == 2) { /* device_wake */ - status = - acpi_ev_check_for_wake_only_gpe(walk_state-> - gpe_event_info); - if (ACPI_FAILURE(status)) { - - /* AE_WAKE_ONLY_GPE only error, means ignore this notify */ - - return_ACPI_STATUS(AE_OK) - } - } -#endif - - /* - * Dispatch the notify to the appropriate handler - * NOTE: the request is queued for execution after this method - * completes. The notify handlers are NOT invoked synchronously - * from this thread -- because handlers may in turn run other - * control methods. - */ - status = acpi_ev_queue_notify_request(node, value); - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_2A_2T_1R - * - * PARAMETERS: walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute a dyadic operator (2 operands) with 2 output targets - * and one implicit return value. - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *return_desc1 = NULL; - union acpi_operand_object *return_desc2 = NULL; - acpi_status status; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_2T_1R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - /* Execute the opcode */ - - switch (walk_state->opcode) { - case AML_DIVIDE_OP: - - /* Divide (Dividend, Divisor, remainder_result quotient_result) */ - - return_desc1 = - acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc1) { - status = AE_NO_MEMORY; - goto cleanup; - } - - return_desc2 = - acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc2) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* Quotient to return_desc1, remainder to return_desc2 */ - - status = acpi_ut_divide(operand[0]->integer.value, - operand[1]->integer.value, - &return_desc1->integer.value, - &return_desc2->integer.value); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - goto cleanup; - } - - /* Store the results to the target reference operands */ - - status = acpi_ex_store(return_desc2, operand[2], walk_state); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - status = acpi_ex_store(return_desc1, operand[3], walk_state); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - cleanup: - /* - * Since the remainder is not returned indirectly, remove a reference to - * it. Only the quotient is returned indirectly. - */ - acpi_ut_remove_reference(return_desc2); - - if (ACPI_FAILURE(status)) { - - /* Delete the return object */ - - acpi_ut_remove_reference(return_desc1); - } - - /* Save return object (the remainder) on success */ - - else { - walk_state->result_obj = return_desc1; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_2A_1T_1R - * - * PARAMETERS: walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute opcode with two arguments, one target, and a return - * value. - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *return_desc = NULL; - acpi_integer index; - acpi_status status = AE_OK; - acpi_size length; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_1T_1R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - /* Execute the opcode */ - - if (walk_state->op_info->flags & AML_MATH) { - - /* All simple math opcodes (add, etc.) */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - return_desc->integer.value = - acpi_ex_do_math_op(walk_state->opcode, - operand[0]->integer.value, - operand[1]->integer.value); - goto store_result_to_target; - } - - switch (walk_state->opcode) { - case AML_MOD_OP: /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* return_desc will contain the remainder */ - - status = acpi_ut_divide(operand[0]->integer.value, - operand[1]->integer.value, - NULL, &return_desc->integer.value); - break; - - case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */ - - status = acpi_ex_do_concatenate(operand[0], operand[1], - &return_desc, walk_state); - break; - - case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */ - - /* - * Input object is guaranteed to be a buffer at this point (it may have - * been converted.) Copy the raw buffer data to a new object of - * type String. - */ - - /* - * Get the length of the new string. It is the smallest of: - * 1) Length of the input buffer - * 2) Max length as specified in the to_string operator - * 3) Length of input buffer up to a zero byte (null terminator) - * - * NOTE: A length of zero is ok, and will create a zero-length, null - * terminated string. - */ - length = 0; - while ((length < operand[0]->buffer.length) && - (length < operand[1]->integer.value) && - (operand[0]->buffer.pointer[length])) { - length++; - } - - /* Allocate a new string object */ - - return_desc = acpi_ut_create_string_object(length); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* - * Copy the raw buffer data with no transform. - * (NULL terminated already) - */ - ACPI_MEMCPY(return_desc->string.pointer, - operand[0]->buffer.pointer, length); - break; - - case AML_CONCAT_RES_OP: - - /* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */ - - status = acpi_ex_concat_template(operand[0], operand[1], - &return_desc, walk_state); - break; - - case AML_INDEX_OP: /* Index (Source Index Result) */ - - /* Create the internal return object */ - - return_desc = - acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* Initialize the Index reference object */ - - index = operand[1]->integer.value; - return_desc->reference.value = (u32) index; - return_desc->reference.class = ACPI_REFCLASS_INDEX; - - /* - * At this point, the Source operand is a String, Buffer, or Package. - * Verify that the index is within range. - */ - switch (ACPI_GET_OBJECT_TYPE(operand[0])) { - case ACPI_TYPE_STRING: - - if (index >= operand[0]->string.length) { - status = AE_AML_STRING_LIMIT; - } - - return_desc->reference.target_type = - ACPI_TYPE_BUFFER_FIELD; - break; - - case ACPI_TYPE_BUFFER: - - if (index >= operand[0]->buffer.length) { - status = AE_AML_BUFFER_LIMIT; - } - - return_desc->reference.target_type = - ACPI_TYPE_BUFFER_FIELD; - break; - - case ACPI_TYPE_PACKAGE: - - if (index >= operand[0]->package.count) { - status = AE_AML_PACKAGE_LIMIT; - } - - return_desc->reference.target_type = ACPI_TYPE_PACKAGE; - return_desc->reference.where = - &operand[0]->package.elements[index]; - break; - - default: - - status = AE_AML_INTERNAL; - goto cleanup; - } - - /* Failure means that the Index was beyond the end of the object */ - - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Index (%X%8.8X) is beyond end of object", - ACPI_FORMAT_UINT64(index))); - goto cleanup; - } - - /* - * Save the target object and add a reference to it for the life - * of the index - */ - return_desc->reference.object = operand[0]; - acpi_ut_add_reference(operand[0]); - - /* Store the reference to the Target */ - - status = acpi_ex_store(return_desc, operand[2], walk_state); - - /* Return the reference */ - - walk_state->result_obj = return_desc; - goto cleanup; - - default: - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - break; - } - - store_result_to_target: - - if (ACPI_SUCCESS(status)) { - /* - * Store the result of the operation (which is now in return_desc) into - * the Target descriptor. - */ - status = acpi_ex_store(return_desc, operand[2], walk_state); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - if (!walk_state->result_obj) { - walk_state->result_obj = return_desc; - } - } - - cleanup: - - /* Delete return object on error */ - - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference(return_desc); - walk_state->result_obj = NULL; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_2A_0T_1R - * - * PARAMETERS: walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute opcode with 2 arguments, no target, and a return value - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *return_desc = NULL; - acpi_status status = AE_OK; - u8 logical_result = FALSE; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_1R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - /* Create the internal return object */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* Execute the Opcode */ - - if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) { - - /* logical_op (Operand0, Operand1) */ - - status = acpi_ex_do_logical_numeric_op(walk_state->opcode, - operand[0]->integer. - value, - operand[1]->integer. - value, &logical_result); - goto store_logical_result; - } else if (walk_state->op_info->flags & AML_LOGICAL) { - - /* logical_op (Operand0, Operand1) */ - - status = acpi_ex_do_logical_op(walk_state->opcode, operand[0], - operand[1], &logical_result); - goto store_logical_result; - } - - switch (walk_state->opcode) { - case AML_ACQUIRE_OP: /* Acquire (mutex_object, Timeout) */ - - status = - acpi_ex_acquire_mutex(operand[1], operand[0], walk_state); - if (status == AE_TIME) { - logical_result = TRUE; /* TRUE = Acquire timed out */ - status = AE_OK; - } - break; - - case AML_WAIT_OP: /* Wait (event_object, Timeout) */ - - status = acpi_ex_system_wait_event(operand[1], operand[0]); - if (status == AE_TIME) { - logical_result = TRUE; /* TRUE, Wait timed out */ - status = AE_OK; - } - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - goto cleanup; - } - - store_logical_result: - /* - * Set return value to according to logical_result. logical TRUE (all ones) - * Default is FALSE (zero) - */ - if (logical_result) { - return_desc->integer.value = ACPI_INTEGER_MAX; - } - - cleanup: - - /* Delete return object on error */ - - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference(return_desc); - } - - /* Save return object on success */ - - else { - walk_state->result_obj = return_desc; - } - - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c deleted file mode 100644 index 26dbd5c2c1da..000000000000 --- a/drivers/acpi/executer/exoparg3.c +++ /dev/null @@ -1,273 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exoparg3 - AML execution - opcodes with 3 arguments - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/acparser.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exoparg3") - -/*! - * Naming convention for AML interpreter execution routines. - * - * The routines that begin execution of AML opcodes are named with a common - * convention based upon the number of arguments, the number of target operands, - * and whether or not a value is returned: - * - * AcpiExOpcode_xA_yT_zR - * - * Where: - * - * xA - ARGUMENTS: The number of arguments (input operands) that are - * required for this opcode type (1 through 6 args). - * yT - TARGETS: The number of targets (output operands) that are required - * for this opcode type (0, 1, or 2 targets). - * zR - RETURN VALUE: Indicates whether this opcode type returns a value - * as the function return (0 or 1). - * - * The AcpiExOpcode* functions are called via the Dispatcher component with - * fully resolved operands. -!*/ -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_3A_0T_0R - * - * PARAMETERS: walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute Triadic operator (3 operands) - * - ******************************************************************************/ -acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - struct acpi_signal_fatal_info *fatal; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_3A_0T_0R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - switch (walk_state->opcode) { - case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */ - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "FatalOp: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", - (u32) operand[0]->integer.value, - (u32) operand[1]->integer.value, - (u32) operand[2]->integer.value)); - - fatal = ACPI_ALLOCATE(sizeof(struct acpi_signal_fatal_info)); - if (fatal) { - fatal->type = (u32) operand[0]->integer.value; - fatal->code = (u32) operand[1]->integer.value; - fatal->argument = (u32) operand[2]->integer.value; - } - - /* Always signal the OS! */ - - status = acpi_os_signal(ACPI_SIGNAL_FATAL, fatal); - - /* Might return while OS is shutting down, just continue */ - - ACPI_FREE(fatal); - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - goto cleanup; - } - - cleanup: - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_3A_1T_1R - * - * PARAMETERS: walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute Triadic operator (3 operands) - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *return_desc = NULL; - char *buffer = NULL; - acpi_status status = AE_OK; - acpi_integer index; - acpi_size length; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_3A_1T_1R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - switch (walk_state->opcode) { - case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */ - - /* - * Create the return object. The Source operand is guaranteed to be - * either a String or a Buffer, so just use its type. - */ - return_desc = - acpi_ut_create_internal_object(ACPI_GET_OBJECT_TYPE - (operand[0])); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - } - - /* Get the Integer values from the objects */ - - index = operand[1]->integer.value; - length = (acpi_size) operand[2]->integer.value; - - /* - * If the index is beyond the length of the String/Buffer, or if the - * requested length is zero, return a zero-length String/Buffer - */ - if (index >= operand[0]->string.length) { - length = 0; - } - - /* Truncate request if larger than the actual String/Buffer */ - - else if ((index + length) > operand[0]->string.length) { - length = (acpi_size) operand[0]->string.length - - (acpi_size) index; - } - - /* Strings always have a sub-pointer, not so for buffers */ - - switch (ACPI_GET_OBJECT_TYPE(operand[0])) { - case ACPI_TYPE_STRING: - - /* Always allocate a new buffer for the String */ - - buffer = ACPI_ALLOCATE_ZEROED((acpi_size) length + 1); - if (!buffer) { - status = AE_NO_MEMORY; - goto cleanup; - } - break; - - case ACPI_TYPE_BUFFER: - - /* If the requested length is zero, don't allocate a buffer */ - - if (length > 0) { - - /* Allocate a new buffer for the Buffer */ - - buffer = ACPI_ALLOCATE_ZEROED(length); - if (!buffer) { - status = AE_NO_MEMORY; - goto cleanup; - } - } - break; - - default: /* Should not happen */ - - status = AE_AML_OPERAND_TYPE; - goto cleanup; - } - - if (buffer) { - - /* We have a buffer, copy the portion requested */ - - ACPI_MEMCPY(buffer, operand[0]->string.pointer + index, - length); - } - - /* Set the length of the new String/Buffer */ - - return_desc->string.pointer = buffer; - return_desc->string.length = (u32) length; - - /* Mark buffer initialized */ - - return_desc->buffer.flags |= AOPOBJ_DATA_VALID; - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - goto cleanup; - } - - /* Store the result in the target */ - - status = acpi_ex_store(return_desc, operand[3], walk_state); - - cleanup: - - /* Delete return object on error */ - - if (ACPI_FAILURE(status) || walk_state->result_obj) { - acpi_ut_remove_reference(return_desc); - walk_state->result_obj = NULL; - } - - /* Set the return object and exit */ - - else { - walk_state->result_obj = return_desc; - } - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/executer/exoparg6.c deleted file mode 100644 index bbbba504979f..000000000000 --- a/drivers/acpi/executer/exoparg6.c +++ /dev/null @@ -1,341 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exoparg6 - AML execution - opcodes with 6 arguments - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/acparser.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exoparg6") - -/*! - * Naming convention for AML interpreter execution routines. - * - * The routines that begin execution of AML opcodes are named with a common - * convention based upon the number of arguments, the number of target operands, - * and whether or not a value is returned: - * - * AcpiExOpcode_xA_yT_zR - * - * Where: - * - * xA - ARGUMENTS: The number of arguments (input operands) that are - * required for this opcode type (1 through 6 args). - * yT - TARGETS: The number of targets (output operands) that are required - * for this opcode type (0, 1, or 2 targets). - * zR - RETURN VALUE: Indicates whether this opcode type returns a value - * as the function return (0 or 1). - * - * The AcpiExOpcode* functions are called via the Dispatcher component with - * fully resolved operands. -!*/ -/* Local prototypes */ -static u8 -acpi_ex_do_match(u32 match_op, - union acpi_operand_object *package_obj, - union acpi_operand_object *match_obj); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_do_match - * - * PARAMETERS: match_op - The AML match operand - * package_obj - Object from the target package - * match_obj - Object to be matched - * - * RETURN: TRUE if the match is successful, FALSE otherwise - * - * DESCRIPTION: Implements the low-level match for the ASL Match operator. - * Package elements will be implicitly converted to the type of - * the match object (Integer/Buffer/String). - * - ******************************************************************************/ - -static u8 -acpi_ex_do_match(u32 match_op, - union acpi_operand_object *package_obj, - union acpi_operand_object *match_obj) -{ - u8 logical_result = TRUE; - acpi_status status; - - /* - * Note: Since the package_obj/match_obj ordering is opposite to that of - * the standard logical operators, we have to reverse them when we call - * do_logical_op in order to make the implicit conversion rules work - * correctly. However, this means we have to flip the entire equation - * also. A bit ugly perhaps, but overall, better than fussing the - * parameters around at runtime, over and over again. - * - * Below, P[i] refers to the package element, M refers to the Match object. - */ - switch (match_op) { - case MATCH_MTR: - - /* Always true */ - - break; - - case MATCH_MEQ: - - /* - * True if equal: (P[i] == M) - * Change to: (M == P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LEQUAL_OP, match_obj, package_obj, - &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - break; - - case MATCH_MLE: - - /* - * True if less than or equal: (P[i] <= M) (P[i] not_greater than M) - * Change to: (M >= P[i]) (M not_less than P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LLESS_OP, match_obj, package_obj, - &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - logical_result = (u8) ! logical_result; - break; - - case MATCH_MLT: - - /* - * True if less than: (P[i] < M) - * Change to: (M > P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LGREATER_OP, match_obj, - package_obj, &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - break; - - case MATCH_MGE: - - /* - * True if greater than or equal: (P[i] >= M) (P[i] not_less than M) - * Change to: (M <= P[i]) (M not_greater than P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LGREATER_OP, match_obj, - package_obj, &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - logical_result = (u8) ! logical_result; - break; - - case MATCH_MGT: - - /* - * True if greater than: (P[i] > M) - * Change to: (M < P[i]) - */ - status = - acpi_ex_do_logical_op(AML_LLESS_OP, match_obj, package_obj, - &logical_result); - if (ACPI_FAILURE(status)) { - return (FALSE); - } - break; - - default: - - /* Undefined */ - - return (FALSE); - } - - return logical_result; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_opcode_6A_0T_1R - * - * PARAMETERS: walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Execute opcode with 6 arguments, no target, and a return value - * - ******************************************************************************/ - -acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state) -{ - union acpi_operand_object **operand = &walk_state->operands[0]; - union acpi_operand_object *return_desc = NULL; - acpi_status status = AE_OK; - acpi_integer index; - union acpi_operand_object *this_element; - - ACPI_FUNCTION_TRACE_STR(ex_opcode_6A_0T_1R, - acpi_ps_get_opcode_name(walk_state->opcode)); - - switch (walk_state->opcode) { - case AML_MATCH_OP: - /* - * Match (search_pkg[0], match_op1[1], match_obj1[2], - * match_op2[3], match_obj2[4], start_index[5]) - */ - - /* Validate both Match Term Operators (MTR, MEQ, etc.) */ - - if ((operand[1]->integer.value > MAX_MATCH_OPERATOR) || - (operand[3]->integer.value > MAX_MATCH_OPERATOR)) { - ACPI_ERROR((AE_INFO, "Match operator out of range")); - status = AE_AML_OPERAND_VALUE; - goto cleanup; - } - - /* Get the package start_index, validate against the package length */ - - index = operand[5]->integer.value; - if (index >= operand[0]->package.count) { - ACPI_ERROR((AE_INFO, - "Index (%X%8.8X) beyond package end (%X)", - ACPI_FORMAT_UINT64(index), - operand[0]->package.count)); - status = AE_AML_PACKAGE_LIMIT; - goto cleanup; - } - - /* Create an integer for the return value */ - - return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!return_desc) { - status = AE_NO_MEMORY; - goto cleanup; - - } - - /* Default return value if no match found */ - - return_desc->integer.value = ACPI_INTEGER_MAX; - - /* - * Examine each element until a match is found. Both match conditions - * must be satisfied for a match to occur. Within the loop, - * "continue" signifies that the current element does not match - * and the next should be examined. - * - * Upon finding a match, the loop will terminate via "break" at - * the bottom. If it terminates "normally", match_value will be - * ACPI_INTEGER_MAX (Ones) (its initial value) indicating that no - * match was found. - */ - for (; index < operand[0]->package.count; index++) { - - /* Get the current package element */ - - this_element = operand[0]->package.elements[index]; - - /* Treat any uninitialized (NULL) elements as non-matching */ - - if (!this_element) { - continue; - } - - /* - * Both match conditions must be satisfied. Execution of a continue - * (proceed to next iteration of enclosing for loop) signifies a - * non-match. - */ - if (!acpi_ex_do_match((u32) operand[1]->integer.value, - this_element, operand[2])) { - continue; - } - - if (!acpi_ex_do_match((u32) operand[3]->integer.value, - this_element, operand[4])) { - continue; - } - - /* Match found: Index is the return value */ - - return_desc->integer.value = index; - break; - } - break; - - case AML_LOAD_TABLE_OP: - - status = acpi_ex_load_table_op(walk_state, &return_desc); - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", - walk_state->opcode)); - status = AE_AML_BAD_OPCODE; - goto cleanup; - } - - cleanup: - - /* Delete return object on error */ - - if (ACPI_FAILURE(status)) { - acpi_ut_remove_reference(return_desc); - } - - /* Save return object on success */ - - else { - walk_state->result_obj = return_desc; - } - - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c deleted file mode 100644 index 8f2baa934e95..000000000000 --- a/drivers/acpi/executer/exprep.c +++ /dev/null @@ -1,590 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exprep") - -/* Local prototypes */ -static u32 -acpi_ex_decode_field_access(union acpi_operand_object *obj_desc, - u8 field_flags, u32 * return_byte_alignment); - -#ifdef ACPI_UNDER_DEVELOPMENT - -static u32 -acpi_ex_generate_access(u32 field_bit_offset, - u32 field_bit_length, u32 region_length); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_generate_access - * - * PARAMETERS: field_bit_offset - Start of field within parent region/buffer - * field_bit_length - Length of field in bits - * region_length - Length of parent in bytes - * - * RETURN: Field granularity (8, 16, 32 or 64) and - * byte_alignment (1, 2, 3, or 4) - * - * DESCRIPTION: Generate an optimal access width for fields defined with the - * any_acc keyword. - * - * NOTE: Need to have the region_length in order to check for boundary - * conditions (end-of-region). However, the region_length is a deferred - * operation. Therefore, to complete this implementation, the generation - * of this access width must be deferred until the region length has - * been evaluated. - * - ******************************************************************************/ - -static u32 -acpi_ex_generate_access(u32 field_bit_offset, - u32 field_bit_length, u32 region_length) -{ - u32 field_byte_length; - u32 field_byte_offset; - u32 field_byte_end_offset; - u32 access_byte_width; - u32 field_start_offset; - u32 field_end_offset; - u32 minimum_access_width = 0xFFFFFFFF; - u32 minimum_accesses = 0xFFFFFFFF; - u32 accesses; - - ACPI_FUNCTION_TRACE(ex_generate_access); - - /* Round Field start offset and length to "minimal" byte boundaries */ - - field_byte_offset = ACPI_DIV_8(ACPI_ROUND_DOWN(field_bit_offset, 8)); - field_byte_end_offset = ACPI_DIV_8(ACPI_ROUND_UP(field_bit_length + - field_bit_offset, 8)); - field_byte_length = field_byte_end_offset - field_byte_offset; - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Bit length %d, Bit offset %d\n", - field_bit_length, field_bit_offset)); - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Byte Length %d, Byte Offset %d, End Offset %d\n", - field_byte_length, field_byte_offset, - field_byte_end_offset)); - - /* - * Iterative search for the maximum access width that is both aligned - * and does not go beyond the end of the region - * - * Start at byte_acc and work upwards to qword_acc max. (1,2,4,8 bytes) - */ - for (access_byte_width = 1; access_byte_width <= 8; - access_byte_width <<= 1) { - /* - * 1) Round end offset up to next access boundary and make sure that - * this does not go beyond the end of the parent region. - * 2) When the Access width is greater than the field_byte_length, we - * are done. (This does not optimize for the perfectly aligned - * case yet). - */ - if (ACPI_ROUND_UP(field_byte_end_offset, access_byte_width) <= - region_length) { - field_start_offset = - ACPI_ROUND_DOWN(field_byte_offset, - access_byte_width) / - access_byte_width; - - field_end_offset = - ACPI_ROUND_UP((field_byte_length + - field_byte_offset), - access_byte_width) / - access_byte_width; - - accesses = field_end_offset - field_start_offset; - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "AccessWidth %d end is within region\n", - access_byte_width)); - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Field Start %d, Field End %d -- requires %d accesses\n", - field_start_offset, field_end_offset, - accesses)); - - /* Single access is optimal */ - - if (accesses <= 1) { - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Entire field can be accessed with one operation of size %d\n", - access_byte_width)); - return_VALUE(access_byte_width); - } - - /* - * Fits in the region, but requires more than one read/write. - * try the next wider access on next iteration - */ - if (accesses < minimum_accesses) { - minimum_accesses = accesses; - minimum_access_width = access_byte_width; - } - } else { - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "AccessWidth %d end is NOT within region\n", - access_byte_width)); - if (access_byte_width == 1) { - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Field goes beyond end-of-region!\n")); - - /* Field does not fit in the region at all */ - - return_VALUE(0); - } - - /* - * This width goes beyond the end-of-region, back off to - * previous access - */ - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Backing off to previous optimal access width of %d\n", - minimum_access_width)); - return_VALUE(minimum_access_width); - } - } - - /* - * Could not read/write field with one operation, - * just use max access width - */ - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Cannot access field in one operation, using width 8\n")); - return_VALUE(8); -} -#endif /* ACPI_UNDER_DEVELOPMENT */ - -/******************************************************************************* - * - * FUNCTION: acpi_ex_decode_field_access - * - * PARAMETERS: obj_desc - Field object - * field_flags - Encoded fieldflags (contains access bits) - * return_byte_alignment - Where the byte alignment is returned - * - * RETURN: Field granularity (8, 16, 32 or 64) and - * byte_alignment (1, 2, 3, or 4) - * - * DESCRIPTION: Decode the access_type bits of a field definition. - * - ******************************************************************************/ - -static u32 -acpi_ex_decode_field_access(union acpi_operand_object *obj_desc, - u8 field_flags, u32 * return_byte_alignment) -{ - u32 access; - u32 byte_alignment; - u32 bit_length; - - ACPI_FUNCTION_TRACE(ex_decode_field_access); - - access = (field_flags & AML_FIELD_ACCESS_TYPE_MASK); - - switch (access) { - case AML_FIELD_ACCESS_ANY: - -#ifdef ACPI_UNDER_DEVELOPMENT - byte_alignment = - acpi_ex_generate_access(obj_desc->common_field. - start_field_bit_offset, - obj_desc->common_field.bit_length, - 0xFFFFFFFF - /* Temp until we pass region_length as parameter */ - ); - bit_length = byte_alignment * 8; -#endif - - byte_alignment = 1; - bit_length = 8; - break; - - case AML_FIELD_ACCESS_BYTE: - case AML_FIELD_ACCESS_BUFFER: /* ACPI 2.0 (SMBus Buffer) */ - byte_alignment = 1; - bit_length = 8; - break; - - case AML_FIELD_ACCESS_WORD: - byte_alignment = 2; - bit_length = 16; - break; - - case AML_FIELD_ACCESS_DWORD: - byte_alignment = 4; - bit_length = 32; - break; - - case AML_FIELD_ACCESS_QWORD: /* ACPI 2.0 */ - byte_alignment = 8; - bit_length = 64; - break; - - default: - /* Invalid field access type */ - - ACPI_ERROR((AE_INFO, "Unknown field access type %X", access)); - return_UINT32(0); - } - - if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_BUFFER_FIELD) { - /* - * buffer_field access can be on any byte boundary, so the - * byte_alignment is always 1 byte -- regardless of any byte_alignment - * implied by the field access type. - */ - byte_alignment = 1; - } - - *return_byte_alignment = byte_alignment; - return_UINT32(bit_length); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_prep_common_field_object - * - * PARAMETERS: obj_desc - The field object - * field_flags - Access, lock_rule, and update_rule. - * The format of a field_flag is described - * in the ACPI specification - * field_attribute - Special attributes (not used) - * field_bit_position - Field start position - * field_bit_length - Field length in number of bits - * - * RETURN: Status - * - * DESCRIPTION: Initialize the areas of the field object that are common - * to the various types of fields. Note: This is very "sensitive" - * code because we are solving the general case for field - * alignment. - * - ******************************************************************************/ - -acpi_status -acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc, - u8 field_flags, - u8 field_attribute, - u32 field_bit_position, u32 field_bit_length) -{ - u32 access_bit_width; - u32 byte_alignment; - u32 nearest_byte_address; - - ACPI_FUNCTION_TRACE(ex_prep_common_field_object); - - /* - * Note: the structure being initialized is the - * ACPI_COMMON_FIELD_INFO; No structure fields outside of the common - * area are initialized by this procedure. - */ - obj_desc->common_field.field_flags = field_flags; - obj_desc->common_field.attribute = field_attribute; - obj_desc->common_field.bit_length = field_bit_length; - - /* - * Decode the access type so we can compute offsets. The access type gives - * two pieces of information - the width of each field access and the - * necessary byte_alignment (address granularity) of the access. - * - * For any_acc, the access_bit_width is the largest width that is both - * necessary and possible in an attempt to access the whole field in one - * I/O operation. However, for any_acc, the byte_alignment is always one - * byte. - * - * For all Buffer Fields, the byte_alignment is always one byte. - * - * For all other access types (Byte, Word, Dword, Qword), the Bitwidth is - * the same (equivalent) as the byte_alignment. - */ - access_bit_width = acpi_ex_decode_field_access(obj_desc, field_flags, - &byte_alignment); - if (!access_bit_width) { - return_ACPI_STATUS(AE_AML_OPERAND_VALUE); - } - - /* Setup width (access granularity) fields */ - - obj_desc->common_field.access_byte_width = (u8) - ACPI_DIV_8(access_bit_width); /* 1, 2, 4, 8 */ - - obj_desc->common_field.access_bit_width = (u8) access_bit_width; - - /* - * base_byte_offset is the address of the start of the field within the - * region. It is the byte address of the first *datum* (field-width data - * unit) of the field. (i.e., the first datum that contains at least the - * first *bit* of the field.) - * - * Note: byte_alignment is always either equal to the access_bit_width or 8 - * (Byte access), and it defines the addressing granularity of the parent - * region or buffer. - */ - nearest_byte_address = - ACPI_ROUND_BITS_DOWN_TO_BYTES(field_bit_position); - obj_desc->common_field.base_byte_offset = (u32) - ACPI_ROUND_DOWN(nearest_byte_address, byte_alignment); - - /* - * start_field_bit_offset is the offset of the first bit of the field within - * a field datum. - */ - obj_desc->common_field.start_field_bit_offset = (u8) - (field_bit_position - - ACPI_MUL_8(obj_desc->common_field.base_byte_offset)); - - /* - * Does the entire field fit within a single field access element? (datum) - * (i.e., without crossing a datum boundary) - */ - if ((obj_desc->common_field.start_field_bit_offset + - field_bit_length) <= (u16) access_bit_width) { - obj_desc->common.flags |= AOPOBJ_SINGLE_DATUM; - } - - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_prep_field_value - * - * PARAMETERS: Info - Contains all field creation info - * - * RETURN: Status - * - * DESCRIPTION: Construct an union acpi_operand_object of type def_field and - * connect it to the parent Node. - * - ******************************************************************************/ - -acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) -{ - union acpi_operand_object *obj_desc; - union acpi_operand_object *second_desc = NULL; - u32 type; - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_prep_field_value); - - /* Parameter validation */ - - if (info->field_type != ACPI_TYPE_LOCAL_INDEX_FIELD) { - if (!info->region_node) { - ACPI_ERROR((AE_INFO, "Null RegionNode")); - return_ACPI_STATUS(AE_AML_NO_OPERAND); - } - - type = acpi_ns_get_type(info->region_node); - if (type != ACPI_TYPE_REGION) { - ACPI_ERROR((AE_INFO, - "Needed Region, found type %X (%s)", - type, acpi_ut_get_type_name(type))); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - } - - /* Allocate a new field object */ - - obj_desc = acpi_ut_create_internal_object(info->field_type); - if (!obj_desc) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Initialize areas of the object that are common to all fields */ - - obj_desc->common_field.node = info->field_node; - status = acpi_ex_prep_common_field_object(obj_desc, info->field_flags, - info->attribute, - info->field_bit_position, - info->field_bit_length); - if (ACPI_FAILURE(status)) { - acpi_ut_delete_object_desc(obj_desc); - return_ACPI_STATUS(status); - } - - /* Initialize areas of the object that are specific to the field type */ - - switch (info->field_type) { - case ACPI_TYPE_LOCAL_REGION_FIELD: - - obj_desc->field.region_obj = - acpi_ns_get_attached_object(info->region_node); - - /* An additional reference for the container */ - - acpi_ut_add_reference(obj_desc->field.region_obj); - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "RegionField: BitOff %X, Off %X, Gran %X, Region %p\n", - obj_desc->field.start_field_bit_offset, - obj_desc->field.base_byte_offset, - obj_desc->field.access_byte_width, - obj_desc->field.region_obj)); - break; - - case ACPI_TYPE_LOCAL_BANK_FIELD: - - obj_desc->bank_field.value = info->bank_value; - obj_desc->bank_field.region_obj = - acpi_ns_get_attached_object(info->region_node); - obj_desc->bank_field.bank_obj = - acpi_ns_get_attached_object(info->register_node); - - /* An additional reference for the attached objects */ - - acpi_ut_add_reference(obj_desc->bank_field.region_obj); - acpi_ut_add_reference(obj_desc->bank_field.bank_obj); - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Bank Field: BitOff %X, Off %X, Gran %X, Region %p, BankReg %p\n", - obj_desc->bank_field.start_field_bit_offset, - obj_desc->bank_field.base_byte_offset, - obj_desc->field.access_byte_width, - obj_desc->bank_field.region_obj, - obj_desc->bank_field.bank_obj)); - - /* - * Remember location in AML stream of the field unit - * opcode and operands -- since the bank_value - * operands must be evaluated. - */ - second_desc = obj_desc->common.next_object; - second_desc->extra.aml_start = - ACPI_CAST_PTR(union acpi_parse_object, - info->data_register_node)->named.data; - second_desc->extra.aml_length = - ACPI_CAST_PTR(union acpi_parse_object, - info->data_register_node)->named.length; - - break; - - case ACPI_TYPE_LOCAL_INDEX_FIELD: - - /* Get the Index and Data registers */ - - obj_desc->index_field.index_obj = - acpi_ns_get_attached_object(info->register_node); - obj_desc->index_field.data_obj = - acpi_ns_get_attached_object(info->data_register_node); - - if (!obj_desc->index_field.data_obj - || !obj_desc->index_field.index_obj) { - ACPI_ERROR((AE_INFO, - "Null Index Object during field prep")); - acpi_ut_delete_object_desc(obj_desc); - return_ACPI_STATUS(AE_AML_INTERNAL); - } - - /* An additional reference for the attached objects */ - - acpi_ut_add_reference(obj_desc->index_field.data_obj); - acpi_ut_add_reference(obj_desc->index_field.index_obj); - - /* - * April 2006: Changed to match MS behavior - * - * The value written to the Index register is the byte offset of the - * target field in units of the granularity of the index_field - * - * Previously, the value was calculated as an index in terms of the - * width of the Data register, as below: - * - * obj_desc->index_field.Value = (u32) - * (Info->field_bit_position / ACPI_MUL_8 ( - * obj_desc->Field.access_byte_width)); - * - * February 2006: Tried value as a byte offset: - * obj_desc->index_field.Value = (u32) - * ACPI_DIV_8 (Info->field_bit_position); - */ - obj_desc->index_field.value = - (u32) ACPI_ROUND_DOWN(ACPI_DIV_8(info->field_bit_position), - obj_desc->index_field. - access_byte_width); - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "IndexField: BitOff %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n", - obj_desc->index_field.start_field_bit_offset, - obj_desc->index_field.base_byte_offset, - obj_desc->index_field.value, - obj_desc->field.access_byte_width, - obj_desc->index_field.index_obj, - obj_desc->index_field.data_obj)); - break; - - default: - /* No other types should get here */ - break; - } - - /* - * Store the constructed descriptor (obj_desc) into the parent Node, - * preserving the current type of that named_obj. - */ - status = acpi_ns_attach_object(info->field_node, obj_desc, - acpi_ns_get_type(info->field_node)); - - ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Set NamedObj %p [%4.4s], ObjDesc %p\n", - info->field_node, - acpi_ut_get_node_name(info->field_node), obj_desc)); - - /* Remove local reference to the object */ - - acpi_ut_remove_reference(obj_desc); - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c deleted file mode 100644 index ceb269e45aba..000000000000 --- a/drivers/acpi/executer/exregion.c +++ /dev/null @@ -1,499 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exregion - ACPI default op_region (address space) handlers - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exregion") - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_memory_space_handler - * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write - * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value - * handler_context - Pointer to Handler's context - * region_context - Pointer to context specific to the - * accessed region - * - * RETURN: Status - * - * DESCRIPTION: Handler for the System Memory address space (Op Region) - * - ******************************************************************************/ -acpi_status -acpi_ex_system_memory_space_handler(u32 function, - acpi_physical_address address, - u32 bit_width, - acpi_integer * value, - void *handler_context, void *region_context) -{ - acpi_status status = AE_OK; - void *logical_addr_ptr = NULL; - struct acpi_mem_space_context *mem_info = region_context; - u32 length; - acpi_size window_size; -#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED - u32 remainder; -#endif - - ACPI_FUNCTION_TRACE(ex_system_memory_space_handler); - - /* Validate and translate the bit width */ - - switch (bit_width) { - case 8: - length = 1; - break; - - case 16: - length = 2; - break; - - case 32: - length = 4; - break; - - case 64: - length = 8; - break; - - default: - ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %d", - bit_width)); - return_ACPI_STATUS(AE_AML_OPERAND_VALUE); - } - -#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED - /* - * Hardware does not support non-aligned data transfers, we must verify - * the request. - */ - (void)acpi_ut_short_divide((acpi_integer) address, length, NULL, - &remainder); - if (remainder != 0) { - return_ACPI_STATUS(AE_AML_ALIGNMENT); - } -#endif - - /* - * Does the request fit into the cached memory mapping? - * Is 1) Address below the current mapping? OR - * 2) Address beyond the current mapping? - */ - if ((address < mem_info->mapped_physical_address) || - (((acpi_integer) address + length) > ((acpi_integer) - mem_info-> - mapped_physical_address + - mem_info->mapped_length))) { - /* - * The request cannot be resolved by the current memory mapping; - * Delete the existing mapping and create a new one. - */ - if (mem_info->mapped_length) { - - /* Valid mapping, delete it */ - - acpi_os_unmap_memory(mem_info->mapped_logical_address, - mem_info->mapped_length); - } - - /* - * Don't attempt to map memory beyond the end of the region, and - * constrain the maximum mapping size to something reasonable. - */ - window_size = (acpi_size) - ((mem_info->address + mem_info->length) - address); - - if (window_size > ACPI_SYSMEM_REGION_WINDOW_SIZE) { - window_size = ACPI_SYSMEM_REGION_WINDOW_SIZE; - } - - /* Create a new mapping starting at the address given */ - - mem_info->mapped_logical_address = - acpi_os_map_memory((acpi_physical_address) address, window_size); - if (!mem_info->mapped_logical_address) { - ACPI_ERROR((AE_INFO, - "Could not map memory at %8.8X%8.8X, size %X", - ACPI_FORMAT_NATIVE_UINT(address), - (u32) window_size)); - mem_info->mapped_length = 0; - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Save the physical address and mapping size */ - - mem_info->mapped_physical_address = address; - mem_info->mapped_length = window_size; - } - - /* - * Generate a logical pointer corresponding to the address we want to - * access - */ - logical_addr_ptr = mem_info->mapped_logical_address + - ((acpi_integer) address - - (acpi_integer) mem_info->mapped_physical_address); - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "System-Memory (width %d) R/W %d Address=%8.8X%8.8X\n", - bit_width, function, - ACPI_FORMAT_NATIVE_UINT(address))); - - /* - * Perform the memory read or write - * - * Note: For machines that do not support non-aligned transfers, the target - * address was checked for alignment above. We do not attempt to break the - * transfer up into smaller (byte-size) chunks because the AML specifically - * asked for a transfer width that the hardware may require. - */ - switch (function) { - case ACPI_READ: - - *value = 0; - switch (bit_width) { - case 8: - *value = (acpi_integer) ACPI_GET8(logical_addr_ptr); - break; - - case 16: - *value = (acpi_integer) ACPI_GET16(logical_addr_ptr); - break; - - case 32: - *value = (acpi_integer) ACPI_GET32(logical_addr_ptr); - break; - - case 64: - *value = (acpi_integer) ACPI_GET64(logical_addr_ptr); - break; - - default: - /* bit_width was already validated */ - break; - } - break; - - case ACPI_WRITE: - - switch (bit_width) { - case 8: - ACPI_SET8(logical_addr_ptr) = (u8) * value; - break; - - case 16: - ACPI_SET16(logical_addr_ptr) = (u16) * value; - break; - - case 32: - ACPI_SET32(logical_addr_ptr) = (u32) * value; - break; - - case 64: - ACPI_SET64(logical_addr_ptr) = (u64) * value; - break; - - default: - /* bit_width was already validated */ - break; - } - break; - - default: - status = AE_BAD_PARAMETER; - break; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_io_space_handler - * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write - * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value - * handler_context - Pointer to Handler's context - * region_context - Pointer to context specific to the - * accessed region - * - * RETURN: Status - * - * DESCRIPTION: Handler for the System IO address space (Op Region) - * - ******************************************************************************/ - -acpi_status -acpi_ex_system_io_space_handler(u32 function, - acpi_physical_address address, - u32 bit_width, - acpi_integer * value, - void *handler_context, void *region_context) -{ - acpi_status status = AE_OK; - u32 value32; - - ACPI_FUNCTION_TRACE(ex_system_io_space_handler); - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "System-IO (width %d) R/W %d Address=%8.8X%8.8X\n", - bit_width, function, - ACPI_FORMAT_NATIVE_UINT(address))); - - /* Decode the function parameter */ - - switch (function) { - case ACPI_READ: - - status = acpi_os_read_port((acpi_io_address) address, - &value32, bit_width); - *value = value32; - break; - - case ACPI_WRITE: - - status = acpi_os_write_port((acpi_io_address) address, - (u32) * value, bit_width); - break; - - default: - status = AE_BAD_PARAMETER; - break; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_pci_config_space_handler - * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write - * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value - * handler_context - Pointer to Handler's context - * region_context - Pointer to context specific to the - * accessed region - * - * RETURN: Status - * - * DESCRIPTION: Handler for the PCI Config address space (Op Region) - * - ******************************************************************************/ - -acpi_status -acpi_ex_pci_config_space_handler(u32 function, - acpi_physical_address address, - u32 bit_width, - acpi_integer * value, - void *handler_context, void *region_context) -{ - acpi_status status = AE_OK; - struct acpi_pci_id *pci_id; - u16 pci_register; - u32 value32; - - ACPI_FUNCTION_TRACE(ex_pci_config_space_handler); - - /* - * The arguments to acpi_os(Read|Write)pci_configuration are: - * - * pci_segment is the PCI bus segment range 0-31 - * pci_bus is the PCI bus number range 0-255 - * pci_device is the PCI device number range 0-31 - * pci_function is the PCI device function number - * pci_register is the Config space register range 0-255 bytes - * - * Value - input value for write, output address for read - * - */ - pci_id = (struct acpi_pci_id *)region_context; - pci_register = (u16) (u32) address; - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Pci-Config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n", - function, bit_width, pci_id->segment, pci_id->bus, - pci_id->device, pci_id->function, pci_register)); - - switch (function) { - case ACPI_READ: - - status = acpi_os_read_pci_configuration(pci_id, pci_register, - &value32, bit_width); - *value = value32; - break; - - case ACPI_WRITE: - - status = acpi_os_write_pci_configuration(pci_id, pci_register, - *value, bit_width); - break; - - default: - - status = AE_BAD_PARAMETER; - break; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_cmos_space_handler - * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write - * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value - * handler_context - Pointer to Handler's context - * region_context - Pointer to context specific to the - * accessed region - * - * RETURN: Status - * - * DESCRIPTION: Handler for the CMOS address space (Op Region) - * - ******************************************************************************/ - -acpi_status -acpi_ex_cmos_space_handler(u32 function, - acpi_physical_address address, - u32 bit_width, - acpi_integer * value, - void *handler_context, void *region_context) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_cmos_space_handler); - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_pci_bar_space_handler - * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write - * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value - * handler_context - Pointer to Handler's context - * region_context - Pointer to context specific to the - * accessed region - * - * RETURN: Status - * - * DESCRIPTION: Handler for the PCI bar_target address space (Op Region) - * - ******************************************************************************/ - -acpi_status -acpi_ex_pci_bar_space_handler(u32 function, - acpi_physical_address address, - u32 bit_width, - acpi_integer * value, - void *handler_context, void *region_context) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_pci_bar_space_handler); - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_data_table_space_handler - * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write - * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value - * handler_context - Pointer to Handler's context - * region_context - Pointer to context specific to the - * accessed region - * - * RETURN: Status - * - * DESCRIPTION: Handler for the Data Table address space (Op Region) - * - ******************************************************************************/ - -acpi_status -acpi_ex_data_table_space_handler(u32 function, - acpi_physical_address address, - u32 bit_width, - acpi_integer * value, - void *handler_context, void *region_context) -{ - ACPI_FUNCTION_TRACE(ex_data_table_space_handler); - - /* Perform the memory read or write */ - - switch (function) { - case ACPI_READ: - - ACPI_MEMCPY(ACPI_CAST_PTR(char, value), - ACPI_PHYSADDR_TO_PTR(address), - ACPI_DIV_8(bit_width)); - break; - - case ACPI_WRITE: - default: - - return_ACPI_STATUS(AE_SUPPORT); - } - - return_ACPI_STATUS(AE_OK); -} diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/executer/exresnte.c deleted file mode 100644 index 77df6e490e70..000000000000 --- a/drivers/acpi/executer/exresnte.c +++ /dev/null @@ -1,278 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exresnte - AML Interpreter object resolution - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acdispat.h> -#include <acpi/acinterp.h> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exresnte") - -/******************************************************************************* - * - * FUNCTION: acpi_ex_resolve_node_to_value - * - * PARAMETERS: object_ptr - Pointer to a location that contains - * a pointer to a NS node, and will receive a - * pointer to the resolved object. - * walk_state - Current state. Valid only if executing AML - * code. NULL if simply resolving an object - * - * RETURN: Status - * - * DESCRIPTION: Resolve a Namespace node to a valued object - * - * Note: for some of the data types, the pointer attached to the Node - * can be either a pointer to an actual internal object or a pointer into the - * AML stream itself. These types are currently: - * - * ACPI_TYPE_INTEGER - * ACPI_TYPE_STRING - * ACPI_TYPE_BUFFER - * ACPI_TYPE_MUTEX - * ACPI_TYPE_PACKAGE - * - ******************************************************************************/ -acpi_status -acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr, - struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - union acpi_operand_object *source_desc; - union acpi_operand_object *obj_desc = NULL; - struct acpi_namespace_node *node; - acpi_object_type entry_type; - - ACPI_FUNCTION_TRACE(ex_resolve_node_to_value); - - /* - * The stack pointer points to a struct acpi_namespace_node (Node). Get the - * object that is attached to the Node. - */ - node = *object_ptr; - source_desc = acpi_ns_get_attached_object(node); - entry_type = acpi_ns_get_type((acpi_handle) node); - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n", - node, source_desc, - acpi_ut_get_type_name(entry_type))); - - if ((entry_type == ACPI_TYPE_LOCAL_ALIAS) || - (entry_type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) { - - /* There is always exactly one level of indirection */ - - node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object); - source_desc = acpi_ns_get_attached_object(node); - entry_type = acpi_ns_get_type((acpi_handle) node); - *object_ptr = node; - } - - /* - * Several object types require no further processing: - * 1) Device/Thermal objects don't have a "real" subobject, return the Node - * 2) Method locals and arguments have a pseudo-Node - * 3) 10/2007: Added method type to assist with Package construction. - */ - if ((entry_type == ACPI_TYPE_DEVICE) || - (entry_type == ACPI_TYPE_THERMAL) || - (entry_type == ACPI_TYPE_METHOD) || - (node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) { - return_ACPI_STATUS(AE_OK); - } - - if (!source_desc) { - ACPI_ERROR((AE_INFO, "No object attached to node %p", node)); - return_ACPI_STATUS(AE_AML_NO_OPERAND); - } - - /* - * Action is based on the type of the Node, which indicates the type - * of the attached object or pointer - */ - switch (entry_type) { - case ACPI_TYPE_PACKAGE: - - if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_PACKAGE) { - ACPI_ERROR((AE_INFO, "Object not a Package, type %s", - acpi_ut_get_object_type_name(source_desc))); - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - status = acpi_ds_get_package_arguments(source_desc); - if (ACPI_SUCCESS(status)) { - - /* Return an additional reference to the object */ - - obj_desc = source_desc; - acpi_ut_add_reference(obj_desc); - } - break; - - case ACPI_TYPE_BUFFER: - - if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_BUFFER) { - ACPI_ERROR((AE_INFO, "Object not a Buffer, type %s", - acpi_ut_get_object_type_name(source_desc))); - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - status = acpi_ds_get_buffer_arguments(source_desc); - if (ACPI_SUCCESS(status)) { - - /* Return an additional reference to the object */ - - obj_desc = source_desc; - acpi_ut_add_reference(obj_desc); - } - break; - - case ACPI_TYPE_STRING: - - if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_STRING) { - ACPI_ERROR((AE_INFO, "Object not a String, type %s", - acpi_ut_get_object_type_name(source_desc))); - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* Return an additional reference to the object */ - - obj_desc = source_desc; - acpi_ut_add_reference(obj_desc); - break; - - case ACPI_TYPE_INTEGER: - - if (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_INTEGER) { - ACPI_ERROR((AE_INFO, "Object not a Integer, type %s", - acpi_ut_get_object_type_name(source_desc))); - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* Return an additional reference to the object */ - - obj_desc = source_desc; - acpi_ut_add_reference(obj_desc); - break; - - case ACPI_TYPE_BUFFER_FIELD: - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "FieldRead Node=%p SourceDesc=%p Type=%X\n", - node, source_desc, entry_type)); - - status = - acpi_ex_read_data_from_field(walk_state, source_desc, - &obj_desc); - break; - - /* For these objects, just return the object attached to the Node */ - - case ACPI_TYPE_MUTEX: - case ACPI_TYPE_POWER: - case ACPI_TYPE_PROCESSOR: - case ACPI_TYPE_EVENT: - case ACPI_TYPE_REGION: - - /* Return an additional reference to the object */ - - obj_desc = source_desc; - acpi_ut_add_reference(obj_desc); - break; - - /* TYPE_ANY is untyped, and thus there is no object associated with it */ - - case ACPI_TYPE_ANY: - - ACPI_ERROR((AE_INFO, - "Untyped entry %p, no attached object!", node)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); /* Cannot be AE_TYPE */ - - case ACPI_TYPE_LOCAL_REFERENCE: - - switch (source_desc->reference.class) { - case ACPI_REFCLASS_TABLE: /* This is a ddb_handle */ - case ACPI_REFCLASS_REFOF: - case ACPI_REFCLASS_INDEX: - - /* Return an additional reference to the object */ - - obj_desc = source_desc; - acpi_ut_add_reference(obj_desc); - break; - - default: - /* No named references are allowed here */ - - ACPI_ERROR((AE_INFO, - "Unsupported Reference type %X", - source_desc->reference.class)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - break; - - default: - - /* Default case is for unknown types */ - - ACPI_ERROR((AE_INFO, - "Node %p - Unknown object type %X", - node, entry_type)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - - } /* switch (entry_type) */ - - /* Return the object descriptor */ - - *object_ptr = (void *)obj_desc; - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c deleted file mode 100644 index 42adde01bc93..000000000000 --- a/drivers/acpi/executer/exresolv.c +++ /dev/null @@ -1,551 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exresolv - AML Interpreter object resolution - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/amlcode.h> -#include <acpi/acdispat.h> -#include <acpi/acinterp.h> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exresolv") - -/* Local prototypes */ -static acpi_status -acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, - struct acpi_walk_state *walk_state); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_resolve_to_value - * - * PARAMETERS: **stack_ptr - Points to entry on obj_stack, which can - * be either an (union acpi_operand_object *) - * or an acpi_handle. - * walk_state - Current method state - * - * RETURN: Status - * - * DESCRIPTION: Convert Reference objects to values - * - ******************************************************************************/ - -acpi_status -acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr, - struct acpi_walk_state *walk_state) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE_PTR(ex_resolve_to_value, stack_ptr); - - if (!stack_ptr || !*stack_ptr) { - ACPI_ERROR((AE_INFO, "Internal - null pointer")); - return_ACPI_STATUS(AE_AML_NO_OPERAND); - } - - /* - * The entity pointed to by the stack_ptr can be either - * 1) A valid union acpi_operand_object, or - * 2) A struct acpi_namespace_node (named_obj) - */ - if (ACPI_GET_DESCRIPTOR_TYPE(*stack_ptr) == ACPI_DESC_TYPE_OPERAND) { - status = acpi_ex_resolve_object_to_value(stack_ptr, walk_state); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - if (!*stack_ptr) { - ACPI_ERROR((AE_INFO, "Internal - null pointer")); - return_ACPI_STATUS(AE_AML_NO_OPERAND); - } - } - - /* - * Object on the stack may have changed if acpi_ex_resolve_object_to_value() - * was called (i.e., we can't use an _else_ here.) - */ - if (ACPI_GET_DESCRIPTOR_TYPE(*stack_ptr) == ACPI_DESC_TYPE_NAMED) { - status = - acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR - (struct acpi_namespace_node, - stack_ptr), walk_state); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Resolved object %p\n", *stack_ptr)); - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_resolve_object_to_value - * - * PARAMETERS: stack_ptr - Pointer to an internal object - * walk_state - Current method state - * - * RETURN: Status - * - * DESCRIPTION: Retrieve the value from an internal object. The Reference type - * uses the associated AML opcode to determine the value. - * - ******************************************************************************/ - -static acpi_status -acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, - struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - union acpi_operand_object *stack_desc; - union acpi_operand_object *obj_desc = NULL; - u8 ref_type; - - ACPI_FUNCTION_TRACE(ex_resolve_object_to_value); - - stack_desc = *stack_ptr; - - /* This is an union acpi_operand_object */ - - switch (ACPI_GET_OBJECT_TYPE(stack_desc)) { - case ACPI_TYPE_LOCAL_REFERENCE: - - ref_type = stack_desc->reference.class; - - switch (ref_type) { - case ACPI_REFCLASS_LOCAL: - case ACPI_REFCLASS_ARG: - - /* - * Get the local from the method's state info - * Note: this increments the local's object reference count - */ - status = acpi_ds_method_data_get_value(ref_type, - stack_desc-> - reference.value, - walk_state, - &obj_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "[Arg/Local %X] ValueObj is %p\n", - stack_desc->reference.value, - obj_desc)); - - /* - * Now we can delete the original Reference Object and - * replace it with the resolved value - */ - acpi_ut_remove_reference(stack_desc); - *stack_ptr = obj_desc; - break; - - case ACPI_REFCLASS_INDEX: - - switch (stack_desc->reference.target_type) { - case ACPI_TYPE_BUFFER_FIELD: - - /* Just return - do not dereference */ - break; - - case ACPI_TYPE_PACKAGE: - - /* If method call or copy_object - do not dereference */ - - if ((walk_state->opcode == - AML_INT_METHODCALL_OP) - || (walk_state->opcode == AML_COPY_OP)) { - break; - } - - /* Otherwise, dereference the package_index to a package element */ - - obj_desc = *stack_desc->reference.where; - if (obj_desc) { - /* - * Valid object descriptor, copy pointer to return value - * (i.e., dereference the package index) - * Delete the ref object, increment the returned object - */ - acpi_ut_remove_reference(stack_desc); - acpi_ut_add_reference(obj_desc); - *stack_ptr = obj_desc; - } else { - /* - * A NULL object descriptor means an uninitialized element of - * the package, can't dereference it - */ - ACPI_ERROR((AE_INFO, - "Attempt to dereference an Index to NULL package element Idx=%p", - stack_desc)); - status = AE_AML_UNINITIALIZED_ELEMENT; - } - break; - - default: - - /* Invalid reference object */ - - ACPI_ERROR((AE_INFO, - "Unknown TargetType %X in Index/Reference object %p", - stack_desc->reference.target_type, - stack_desc)); - status = AE_AML_INTERNAL; - break; - } - break; - - case ACPI_REFCLASS_REFOF: - case ACPI_REFCLASS_DEBUG: - case ACPI_REFCLASS_TABLE: - - /* Just leave the object as-is, do not dereference */ - - break; - - case ACPI_REFCLASS_NAME: /* Reference to a named object */ - - /* Dereference the name */ - - if ((stack_desc->reference.node->type == - ACPI_TYPE_DEVICE) - || (stack_desc->reference.node->type == - ACPI_TYPE_THERMAL)) { - - /* These node types do not have 'real' subobjects */ - - *stack_ptr = (void *)stack_desc->reference.node; - } else { - /* Get the object pointed to by the namespace node */ - - *stack_ptr = - (stack_desc->reference.node)->object; - acpi_ut_add_reference(*stack_ptr); - } - - acpi_ut_remove_reference(stack_desc); - break; - - default: - - ACPI_ERROR((AE_INFO, - "Unknown Reference type %X in %p", ref_type, - stack_desc)); - status = AE_AML_INTERNAL; - break; - } - break; - - case ACPI_TYPE_BUFFER: - - status = acpi_ds_get_buffer_arguments(stack_desc); - break; - - case ACPI_TYPE_PACKAGE: - - status = acpi_ds_get_package_arguments(stack_desc); - break; - - case ACPI_TYPE_BUFFER_FIELD: - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "FieldRead SourceDesc=%p Type=%X\n", - stack_desc, - ACPI_GET_OBJECT_TYPE(stack_desc))); - - status = - acpi_ex_read_data_from_field(walk_state, stack_desc, - &obj_desc); - - /* Remove a reference to the original operand, then override */ - - acpi_ut_remove_reference(*stack_ptr); - *stack_ptr = (void *)obj_desc; - break; - - default: - break; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_resolve_multiple - * - * PARAMETERS: walk_state - Current state (contains AML opcode) - * Operand - Starting point for resolution - * return_type - Where the object type is returned - * return_desc - Where the resolved object is returned - * - * RETURN: Status - * - * DESCRIPTION: Return the base object and type. Traverse a reference list if - * necessary to get to the base object. - * - ******************************************************************************/ - -acpi_status -acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, - union acpi_operand_object *operand, - acpi_object_type * return_type, - union acpi_operand_object **return_desc) -{ - union acpi_operand_object *obj_desc = (void *)operand; - struct acpi_namespace_node *node; - acpi_object_type type; - acpi_status status; - - ACPI_FUNCTION_TRACE(acpi_ex_resolve_multiple); - - /* Operand can be either a namespace node or an operand descriptor */ - - switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) { - case ACPI_DESC_TYPE_OPERAND: - type = obj_desc->common.type; - break; - - case ACPI_DESC_TYPE_NAMED: - type = ((struct acpi_namespace_node *)obj_desc)->type; - obj_desc = - acpi_ns_get_attached_object((struct acpi_namespace_node *) - obj_desc); - - /* If we had an Alias node, use the attached object for type info */ - - if (type == ACPI_TYPE_LOCAL_ALIAS) { - type = ((struct acpi_namespace_node *)obj_desc)->type; - obj_desc = - acpi_ns_get_attached_object((struct - acpi_namespace_node *) - obj_desc); - } - break; - - default: - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* If type is anything other than a reference, we are done */ - - if (type != ACPI_TYPE_LOCAL_REFERENCE) { - goto exit; - } - - /* - * For reference objects created via the ref_of, Index, or Load/load_table - * operators, we need to get to the base object (as per the ACPI - * specification of the object_type and size_of operators). This means - * traversing the list of possibly many nested references. - */ - while (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REFERENCE) { - switch (obj_desc->reference.class) { - case ACPI_REFCLASS_REFOF: - case ACPI_REFCLASS_NAME: - - /* Dereference the reference pointer */ - - if (obj_desc->reference.class == ACPI_REFCLASS_REFOF) { - node = obj_desc->reference.object; - } else { /* AML_INT_NAMEPATH_OP */ - - node = obj_desc->reference.node; - } - - /* All "References" point to a NS node */ - - if (ACPI_GET_DESCRIPTOR_TYPE(node) != - ACPI_DESC_TYPE_NAMED) { - ACPI_ERROR((AE_INFO, "Not a NS node %p [%s]", - node, - acpi_ut_get_descriptor_name(node))); - return_ACPI_STATUS(AE_AML_INTERNAL); - } - - /* Get the attached object */ - - obj_desc = acpi_ns_get_attached_object(node); - if (!obj_desc) { - - /* No object, use the NS node type */ - - type = acpi_ns_get_type(node); - goto exit; - } - - /* Check for circular references */ - - if (obj_desc == operand) { - return_ACPI_STATUS(AE_AML_CIRCULAR_REFERENCE); - } - break; - - case ACPI_REFCLASS_INDEX: - - /* Get the type of this reference (index into another object) */ - - type = obj_desc->reference.target_type; - if (type != ACPI_TYPE_PACKAGE) { - goto exit; - } - - /* - * The main object is a package, we want to get the type - * of the individual package element that is referenced by - * the index. - * - * This could of course in turn be another reference object. - */ - obj_desc = *(obj_desc->reference.where); - if (!obj_desc) { - - /* NULL package elements are allowed */ - - type = 0; /* Uninitialized */ - goto exit; - } - break; - - case ACPI_REFCLASS_TABLE: - - type = ACPI_TYPE_DDB_HANDLE; - goto exit; - - case ACPI_REFCLASS_LOCAL: - case ACPI_REFCLASS_ARG: - - if (return_desc) { - status = - acpi_ds_method_data_get_value(obj_desc-> - reference. - class, - obj_desc-> - reference. - value, - walk_state, - &obj_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - acpi_ut_remove_reference(obj_desc); - } else { - status = - acpi_ds_method_data_get_node(obj_desc-> - reference. - class, - obj_desc-> - reference. - value, - walk_state, - &node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - obj_desc = acpi_ns_get_attached_object(node); - if (!obj_desc) { - type = ACPI_TYPE_ANY; - goto exit; - } - } - break; - - case ACPI_REFCLASS_DEBUG: - - /* The Debug Object is of type "DebugObject" */ - - type = ACPI_TYPE_DEBUG_OBJECT; - goto exit; - - default: - - ACPI_ERROR((AE_INFO, - "Unknown Reference Class %2.2X", - obj_desc->reference.class)); - return_ACPI_STATUS(AE_AML_INTERNAL); - } - } - - /* - * Now we are guaranteed to have an object that has not been created - * via the ref_of or Index operators. - */ - type = ACPI_GET_OBJECT_TYPE(obj_desc); - - exit: - /* Convert internal types to external types */ - - switch (type) { - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - - type = ACPI_TYPE_FIELD_UNIT; - break; - - case ACPI_TYPE_LOCAL_SCOPE: - - /* Per ACPI Specification, Scope is untyped */ - - type = ACPI_TYPE_ANY; - break; - - default: - /* No change to Type required */ - break; - } - - *return_type = type; - if (return_desc) { - *return_desc = obj_desc; - } - return_ACPI_STATUS(AE_OK); -} diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c deleted file mode 100644 index 7602eaf5c479..000000000000 --- a/drivers/acpi/executer/exresop.c +++ /dev/null @@ -1,701 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exresop - AML Interpreter operand/object resolution - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/amlcode.h> -#include <acpi/acparser.h> -#include <acpi/acinterp.h> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exresop") - -/* Local prototypes */ -static acpi_status -acpi_ex_check_object_type(acpi_object_type type_needed, - acpi_object_type this_type, void *object); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_check_object_type - * - * PARAMETERS: type_needed Object type needed - * this_type Actual object type - * Object Object pointer - * - * RETURN: Status - * - * DESCRIPTION: Check required type against actual type - * - ******************************************************************************/ - -static acpi_status -acpi_ex_check_object_type(acpi_object_type type_needed, - acpi_object_type this_type, void *object) -{ - ACPI_FUNCTION_ENTRY(); - - if (type_needed == ACPI_TYPE_ANY) { - - /* All types OK, so we don't perform any typechecks */ - - return (AE_OK); - } - - if (type_needed == ACPI_TYPE_LOCAL_REFERENCE) { - /* - * Allow the AML "Constant" opcodes (Zero, One, etc.) to be reference - * objects and thus allow them to be targets. (As per the ACPI - * specification, a store to a constant is a noop.) - */ - if ((this_type == ACPI_TYPE_INTEGER) && - (((union acpi_operand_object *)object)->common. - flags & AOPOBJ_AML_CONSTANT)) { - return (AE_OK); - } - } - - if (type_needed != this_type) { - ACPI_ERROR((AE_INFO, - "Needed type [%s], found [%s] %p", - acpi_ut_get_type_name(type_needed), - acpi_ut_get_type_name(this_type), object)); - - return (AE_AML_OPERAND_TYPE); - } - - return (AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_resolve_operands - * - * PARAMETERS: Opcode - Opcode being interpreted - * stack_ptr - Pointer to the operand stack to be - * resolved - * walk_state - Current state - * - * RETURN: Status - * - * DESCRIPTION: Convert multiple input operands to the types required by the - * target operator. - * - * Each 5-bit group in arg_types represents one required - * operand and indicates the required Type. The corresponding operand - * will be converted to the required type if possible, otherwise we - * abort with an exception. - * - ******************************************************************************/ - -acpi_status -acpi_ex_resolve_operands(u16 opcode, - union acpi_operand_object ** stack_ptr, - struct acpi_walk_state * walk_state) -{ - union acpi_operand_object *obj_desc; - acpi_status status = AE_OK; - u8 object_type; - u32 arg_types; - const struct acpi_opcode_info *op_info; - u32 this_arg_type; - acpi_object_type type_needed; - u16 target_op = 0; - - ACPI_FUNCTION_TRACE_U32(ex_resolve_operands, opcode); - - op_info = acpi_ps_get_opcode_info(opcode); - if (op_info->class == AML_CLASS_UNKNOWN) { - return_ACPI_STATUS(AE_AML_BAD_OPCODE); - } - - arg_types = op_info->runtime_args; - if (arg_types == ARGI_INVALID_OPCODE) { - ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", opcode)); - - return_ACPI_STATUS(AE_AML_INTERNAL); - } - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Opcode %X [%s] RequiredOperandTypes=%8.8X\n", - opcode, op_info->name, arg_types)); - - /* - * Normal exit is with (arg_types == 0) at end of argument list. - * Function will return an exception from within the loop upon - * finding an entry which is not (or cannot be converted - * to) the required type; if stack underflows; or upon - * finding a NULL stack entry (which should not happen). - */ - while (GET_CURRENT_ARG_TYPE(arg_types)) { - if (!stack_ptr || !*stack_ptr) { - ACPI_ERROR((AE_INFO, "Null stack entry at %p", - stack_ptr)); - - return_ACPI_STATUS(AE_AML_INTERNAL); - } - - /* Extract useful items */ - - obj_desc = *stack_ptr; - - /* Decode the descriptor type */ - - switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) { - case ACPI_DESC_TYPE_NAMED: - - /* Namespace Node */ - - object_type = - ((struct acpi_namespace_node *)obj_desc)->type; - - /* - * Resolve an alias object. The construction of these objects - * guarantees that there is only one level of alias indirection; - * thus, the attached object is always the aliased namespace node - */ - if (object_type == ACPI_TYPE_LOCAL_ALIAS) { - obj_desc = - acpi_ns_get_attached_object((struct - acpi_namespace_node - *)obj_desc); - *stack_ptr = obj_desc; - object_type = - ((struct acpi_namespace_node *)obj_desc)-> - type; - } - break; - - case ACPI_DESC_TYPE_OPERAND: - - /* ACPI internal object */ - - object_type = ACPI_GET_OBJECT_TYPE(obj_desc); - - /* Check for bad acpi_object_type */ - - if (!acpi_ut_valid_object_type(object_type)) { - ACPI_ERROR((AE_INFO, - "Bad operand object type [%X]", - object_type)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) { - - /* Validate the Reference */ - - switch (obj_desc->reference.class) { - case ACPI_REFCLASS_DEBUG: - - target_op = AML_DEBUG_OP; - - /*lint -fallthrough */ - - case ACPI_REFCLASS_ARG: - case ACPI_REFCLASS_LOCAL: - case ACPI_REFCLASS_INDEX: - case ACPI_REFCLASS_REFOF: - case ACPI_REFCLASS_TABLE: /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */ - case ACPI_REFCLASS_NAME: /* Reference to a named object */ - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Operand is a Reference, Class [%s] %2.2X\n", - acpi_ut_get_reference_name - (obj_desc), - obj_desc->reference. - class)); - break; - - default: - - ACPI_ERROR((AE_INFO, - "Unknown Reference Class %2.2X in %p", - obj_desc->reference.class, - obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - } - break; - - default: - - /* Invalid descriptor */ - - ACPI_ERROR((AE_INFO, "Invalid descriptor %p [%s]", - obj_desc, - acpi_ut_get_descriptor_name(obj_desc))); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* Get one argument type, point to the next */ - - this_arg_type = GET_CURRENT_ARG_TYPE(arg_types); - INCREMENT_ARG_LIST(arg_types); - - /* - * Handle cases where the object does not need to be - * resolved to a value - */ - switch (this_arg_type) { - case ARGI_REF_OR_STRING: /* Can be a String or Reference */ - - if ((ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == - ACPI_DESC_TYPE_OPERAND) - && (ACPI_GET_OBJECT_TYPE(obj_desc) == - ACPI_TYPE_STRING)) { - /* - * String found - the string references a named object and - * must be resolved to a node - */ - goto next_operand; - } - - /* - * Else not a string - fall through to the normal Reference - * case below - */ - /*lint -fallthrough */ - - case ARGI_REFERENCE: /* References: */ - case ARGI_INTEGER_REF: - case ARGI_OBJECT_REF: - case ARGI_DEVICE_REF: - case ARGI_TARGETREF: /* Allows implicit conversion rules before store */ - case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */ - case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */ - - /* - * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE - * A Namespace Node is OK as-is - */ - if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == - ACPI_DESC_TYPE_NAMED) { - goto next_operand; - } - - status = - acpi_ex_check_object_type(ACPI_TYPE_LOCAL_REFERENCE, - object_type, obj_desc); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - goto next_operand; - - case ARGI_DATAREFOBJ: /* Store operator only */ - - /* - * We don't want to resolve index_op reference objects during - * a store because this would be an implicit de_ref_of operation. - * Instead, we just want to store the reference object. - * -- All others must be resolved below. - */ - if ((opcode == AML_STORE_OP) && - (ACPI_GET_OBJECT_TYPE(*stack_ptr) == - ACPI_TYPE_LOCAL_REFERENCE) - && ((*stack_ptr)->reference.class == ACPI_REFCLASS_INDEX)) { - goto next_operand; - } - break; - - default: - /* All cases covered above */ - break; - } - - /* - * Resolve this object to a value - */ - status = acpi_ex_resolve_to_value(stack_ptr, walk_state); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Get the resolved object */ - - obj_desc = *stack_ptr; - - /* - * Check the resulting object (value) type - */ - switch (this_arg_type) { - /* - * For the simple cases, only one type of resolved object - * is allowed - */ - case ARGI_MUTEX: - - /* Need an operand of type ACPI_TYPE_MUTEX */ - - type_needed = ACPI_TYPE_MUTEX; - break; - - case ARGI_EVENT: - - /* Need an operand of type ACPI_TYPE_EVENT */ - - type_needed = ACPI_TYPE_EVENT; - break; - - case ARGI_PACKAGE: /* Package */ - - /* Need an operand of type ACPI_TYPE_PACKAGE */ - - type_needed = ACPI_TYPE_PACKAGE; - break; - - case ARGI_ANYTYPE: - - /* Any operand type will do */ - - type_needed = ACPI_TYPE_ANY; - break; - - case ARGI_DDBHANDLE: - - /* Need an operand of type ACPI_TYPE_DDB_HANDLE */ - - type_needed = ACPI_TYPE_LOCAL_REFERENCE; - break; - - /* - * The more complex cases allow multiple resolved object types - */ - case ARGI_INTEGER: - - /* - * Need an operand of type ACPI_TYPE_INTEGER, - * But we can implicitly convert from a STRING or BUFFER - * Aka - "Implicit Source Operand Conversion" - */ - status = - acpi_ex_convert_to_integer(obj_desc, stack_ptr, 16); - if (ACPI_FAILURE(status)) { - if (status == AE_TYPE) { - ACPI_ERROR((AE_INFO, - "Needed [Integer/String/Buffer], found [%s] %p", - acpi_ut_get_object_type_name - (obj_desc), obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - return_ACPI_STATUS(status); - } - - if (obj_desc != *stack_ptr) { - acpi_ut_remove_reference(obj_desc); - } - goto next_operand; - - case ARGI_BUFFER: - - /* - * Need an operand of type ACPI_TYPE_BUFFER, - * But we can implicitly convert from a STRING or INTEGER - * Aka - "Implicit Source Operand Conversion" - */ - status = acpi_ex_convert_to_buffer(obj_desc, stack_ptr); - if (ACPI_FAILURE(status)) { - if (status == AE_TYPE) { - ACPI_ERROR((AE_INFO, - "Needed [Integer/String/Buffer], found [%s] %p", - acpi_ut_get_object_type_name - (obj_desc), obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - return_ACPI_STATUS(status); - } - - if (obj_desc != *stack_ptr) { - acpi_ut_remove_reference(obj_desc); - } - goto next_operand; - - case ARGI_STRING: - - /* - * Need an operand of type ACPI_TYPE_STRING, - * But we can implicitly convert from a BUFFER or INTEGER - * Aka - "Implicit Source Operand Conversion" - */ - status = acpi_ex_convert_to_string(obj_desc, stack_ptr, - ACPI_IMPLICIT_CONVERT_HEX); - if (ACPI_FAILURE(status)) { - if (status == AE_TYPE) { - ACPI_ERROR((AE_INFO, - "Needed [Integer/String/Buffer], found [%s] %p", - acpi_ut_get_object_type_name - (obj_desc), obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - return_ACPI_STATUS(status); - } - - if (obj_desc != *stack_ptr) { - acpi_ut_remove_reference(obj_desc); - } - goto next_operand; - - case ARGI_COMPUTEDATA: - - /* Need an operand of type INTEGER, STRING or BUFFER */ - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - - /* Valid operand */ - break; - - default: - ACPI_ERROR((AE_INFO, - "Needed [Integer/String/Buffer], found [%s] %p", - acpi_ut_get_object_type_name - (obj_desc), obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - goto next_operand; - - case ARGI_BUFFER_OR_STRING: - - /* Need an operand of type STRING or BUFFER */ - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - - /* Valid operand */ - break; - - case ACPI_TYPE_INTEGER: - - /* Highest priority conversion is to type Buffer */ - - status = - acpi_ex_convert_to_buffer(obj_desc, - stack_ptr); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - if (obj_desc != *stack_ptr) { - acpi_ut_remove_reference(obj_desc); - } - break; - - default: - ACPI_ERROR((AE_INFO, - "Needed [Integer/String/Buffer], found [%s] %p", - acpi_ut_get_object_type_name - (obj_desc), obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - goto next_operand; - - case ARGI_DATAOBJECT: - /* - * ARGI_DATAOBJECT is only used by the size_of operator. - * Need a buffer, string, package, or ref_of reference. - * - * The only reference allowed here is a direct reference to - * a namespace node. - */ - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_PACKAGE: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - case ACPI_TYPE_LOCAL_REFERENCE: - - /* Valid operand */ - break; - - default: - ACPI_ERROR((AE_INFO, - "Needed [Buffer/String/Package/Reference], found [%s] %p", - acpi_ut_get_object_type_name - (obj_desc), obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - goto next_operand; - - case ARGI_COMPLEXOBJ: - - /* Need a buffer or package or (ACPI 2.0) String */ - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_PACKAGE: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - - /* Valid operand */ - break; - - default: - ACPI_ERROR((AE_INFO, - "Needed [Buffer/String/Package], found [%s] %p", - acpi_ut_get_object_type_name - (obj_desc), obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - goto next_operand; - - case ARGI_REGION_OR_BUFFER: /* Used by Load() only */ - - /* Need an operand of type REGION or a BUFFER (which could be a resolved region field) */ - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_BUFFER: - case ACPI_TYPE_REGION: - - /* Valid operand */ - break; - - default: - ACPI_ERROR((AE_INFO, - "Needed [Region/Buffer], found [%s] %p", - acpi_ut_get_object_type_name - (obj_desc), obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - goto next_operand; - - case ARGI_DATAREFOBJ: - - /* Used by the Store() operator only */ - - switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_PACKAGE: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - case ACPI_TYPE_BUFFER_FIELD: - case ACPI_TYPE_LOCAL_REFERENCE: - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - case ACPI_TYPE_DDB_HANDLE: - - /* Valid operand */ - break; - - default: - - if (acpi_gbl_enable_interpreter_slack) { - /* - * Enable original behavior of Store(), allowing any and all - * objects as the source operand. The ACPI spec does not - * allow this, however. - */ - break; - } - - if (target_op == AML_DEBUG_OP) { - - /* Allow store of any object to the Debug object */ - - break; - } - - ACPI_ERROR((AE_INFO, - "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p", - acpi_ut_get_object_type_name - (obj_desc), obj_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - goto next_operand; - - default: - - /* Unknown type */ - - ACPI_ERROR((AE_INFO, - "Internal - Unknown ARGI (required operand) type %X", - this_arg_type)); - - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* - * Make sure that the original object was resolved to the - * required object type (Simple cases only). - */ - status = acpi_ex_check_object_type(type_needed, - ACPI_GET_OBJECT_TYPE - (*stack_ptr), *stack_ptr); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - next_operand: - /* - * If more operands needed, decrement stack_ptr to point - * to next operand on stack - */ - if (GET_CURRENT_ARG_TYPE(arg_types)) { - stack_ptr--; - } - } - - ACPI_DUMP_OPERANDS(walk_state->operands, - acpi_ps_get_opcode_name(opcode), - walk_state->num_operands); - - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c deleted file mode 100644 index 6f5647fdc006..000000000000 --- a/drivers/acpi/executer/exstore.c +++ /dev/null @@ -1,716 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exstore - AML Interpreter object store support - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acdispat.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> -#include <acpi/acnamesp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exstore") - -/* Local prototypes */ -static void -acpi_ex_do_debug_object(union acpi_operand_object *source_desc, - u32 level, u32 index); - -static acpi_status -acpi_ex_store_object_to_index(union acpi_operand_object *val_desc, - union acpi_operand_object *dest_desc, - struct acpi_walk_state *walk_state); - -/******************************************************************************* - * - * FUNCTION: acpi_ex_do_debug_object - * - * PARAMETERS: source_desc - Value to be stored - * Level - Indentation level (used for packages) - * Index - Current package element, zero if not pkg - * - * RETURN: None - * - * DESCRIPTION: Handles stores to the Debug Object. - * - ******************************************************************************/ - -static void -acpi_ex_do_debug_object(union acpi_operand_object *source_desc, - u32 level, u32 index) -{ - u32 i; - - ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc); - - /* Print line header as long as we are not in the middle of an object display */ - - if (!((level > 0) && index == 0)) { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s", - level, " ")); - } - - /* Display index for package output only */ - - if (index > 0) { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, - "(%.2u) ", index - 1)); - } - - if (!source_desc) { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[Null Object]\n")); - return_VOID; - } - - if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%s ", - acpi_ut_get_object_type_name - (source_desc))); - - if (!acpi_ut_valid_internal_object(source_desc)) { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, - "%p, Invalid Internal Object!\n", - source_desc)); - return_VOID; - } - } else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == - ACPI_DESC_TYPE_NAMED) { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%s: %p\n", - acpi_ut_get_type_name(((struct - acpi_namespace_node - *)source_desc)-> - type), - source_desc)); - return_VOID; - } else { - return_VOID; - } - - /* source_desc is of type ACPI_DESC_TYPE_OPERAND */ - - switch (ACPI_GET_OBJECT_TYPE(source_desc)) { - case ACPI_TYPE_INTEGER: - - /* Output correct integer width */ - - if (acpi_gbl_integer_byte_width == 4) { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n", - (u32) source_desc->integer. - value)); - } else { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, - "0x%8.8X%8.8X\n", - ACPI_FORMAT_UINT64(source_desc-> - integer. - value))); - } - break; - - case ACPI_TYPE_BUFFER: - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n", - (u32) source_desc->buffer.length)); - ACPI_DUMP_BUFFER(source_desc->buffer.pointer, - (source_desc->buffer.length < - 256) ? source_desc->buffer.length : 256); - break; - - case ACPI_TYPE_STRING: - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n", - source_desc->string.length, - source_desc->string.pointer)); - break; - - case ACPI_TYPE_PACKAGE: - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, - "[Contains 0x%.2X Elements]\n", - source_desc->package.count)); - - /* Output the entire contents of the package */ - - for (i = 0; i < source_desc->package.count; i++) { - acpi_ex_do_debug_object(source_desc->package. - elements[i], level + 4, i + 1); - } - break; - - case ACPI_TYPE_LOCAL_REFERENCE: - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[%s] ", - acpi_ut_get_reference_name(source_desc))); - - /* Decode the reference */ - - switch (source_desc->reference.class) { - case ACPI_REFCLASS_INDEX: - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "0x%X\n", - source_desc->reference.value)); - break; - - case ACPI_REFCLASS_TABLE: - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, - "Table Index 0x%X\n", - source_desc->reference.value)); - break; - - default: - break; - } - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, " ")); - - /* Check for valid node first, then valid object */ - - if (source_desc->reference.node) { - if (ACPI_GET_DESCRIPTOR_TYPE - (source_desc->reference.node) != - ACPI_DESC_TYPE_NAMED) { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, - " %p - Not a valid namespace node\n", - source_desc->reference. - node)); - } else { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, - "Node %p [%4.4s] ", - source_desc->reference. - node, - (source_desc->reference. - node)->name.ascii)); - - switch ((source_desc->reference.node)->type) { - - /* These types have no attached object */ - - case ACPI_TYPE_DEVICE: - acpi_os_printf("Device\n"); - break; - - case ACPI_TYPE_THERMAL: - acpi_os_printf("Thermal Zone\n"); - break; - - default: - acpi_ex_do_debug_object((source_desc-> - reference. - node)->object, - level + 4, 0); - break; - } - } - } else if (source_desc->reference.object) { - if (ACPI_GET_DESCRIPTOR_TYPE - (source_desc->reference.object) == - ACPI_DESC_TYPE_NAMED) { - acpi_ex_do_debug_object(((struct - acpi_namespace_node *) - source_desc->reference. - object)->object, - level + 4, 0); - } else { - acpi_ex_do_debug_object(source_desc->reference. - object, level + 4, 0); - } - } - break; - - default: - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%p\n", - source_desc)); - break; - } - - ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n")); - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_store - * - * PARAMETERS: *source_desc - Value to be stored - * *dest_desc - Where to store it. Must be an NS node - * or an union acpi_operand_object of type - * Reference; - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Store the value described by source_desc into the location - * described by dest_desc. Called by various interpreter - * functions to store the result of an operation into - * the destination operand -- not just simply the actual "Store" - * ASL operator. - * - ******************************************************************************/ - -acpi_status -acpi_ex_store(union acpi_operand_object *source_desc, - union acpi_operand_object *dest_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - union acpi_operand_object *ref_desc = dest_desc; - - ACPI_FUNCTION_TRACE_PTR(ex_store, dest_desc); - - /* Validate parameters */ - - if (!source_desc || !dest_desc) { - ACPI_ERROR((AE_INFO, "Null parameter")); - return_ACPI_STATUS(AE_AML_NO_OPERAND); - } - - /* dest_desc can be either a namespace node or an ACPI object */ - - if (ACPI_GET_DESCRIPTOR_TYPE(dest_desc) == ACPI_DESC_TYPE_NAMED) { - /* - * Dest is a namespace node, - * Storing an object into a Named node. - */ - status = acpi_ex_store_object_to_node(source_desc, - (struct - acpi_namespace_node *) - dest_desc, walk_state, - ACPI_IMPLICIT_CONVERSION); - - return_ACPI_STATUS(status); - } - - /* Destination object must be a Reference or a Constant object */ - - switch (ACPI_GET_OBJECT_TYPE(dest_desc)) { - case ACPI_TYPE_LOCAL_REFERENCE: - break; - - case ACPI_TYPE_INTEGER: - - /* Allow stores to Constants -- a Noop as per ACPI spec */ - - if (dest_desc->common.flags & AOPOBJ_AML_CONSTANT) { - return_ACPI_STATUS(AE_OK); - } - - /*lint -fallthrough */ - - default: - - /* Destination is not a Reference object */ - - ACPI_ERROR((AE_INFO, - "Target is not a Reference or Constant object - %s [%p]", - acpi_ut_get_object_type_name(dest_desc), - dest_desc)); - - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* - * Examine the Reference class. These cases are handled: - * - * 1) Store to Name (Change the object associated with a name) - * 2) Store to an indexed area of a Buffer or Package - * 3) Store to a Method Local or Arg - * 4) Store to the debug object - */ - switch (ref_desc->reference.class) { - case ACPI_REFCLASS_REFOF: - - /* Storing an object into a Name "container" */ - - status = acpi_ex_store_object_to_node(source_desc, - ref_desc->reference. - object, walk_state, - ACPI_IMPLICIT_CONVERSION); - break; - - case ACPI_REFCLASS_INDEX: - - /* Storing to an Index (pointer into a packager or buffer) */ - - status = - acpi_ex_store_object_to_index(source_desc, ref_desc, - walk_state); - break; - - case ACPI_REFCLASS_LOCAL: - case ACPI_REFCLASS_ARG: - - /* Store to a method local/arg */ - - status = - acpi_ds_store_object_to_local(ref_desc->reference.class, - ref_desc->reference.value, - source_desc, walk_state); - break; - - case ACPI_REFCLASS_DEBUG: - - /* - * Storing to the Debug object causes the value stored to be - * displayed and otherwise has no effect -- see ACPI Specification - */ - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "**** Write to Debug Object: Object %p %s ****:\n\n", - source_desc, - acpi_ut_get_object_type_name(source_desc))); - - acpi_ex_do_debug_object(source_desc, 0, 0); - break; - - default: - - ACPI_ERROR((AE_INFO, "Unknown Reference Class %2.2X", - ref_desc->reference.class)); - ACPI_DUMP_ENTRY(ref_desc, ACPI_LV_INFO); - - status = AE_AML_INTERNAL; - break; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_store_object_to_index - * - * PARAMETERS: *source_desc - Value to be stored - * *dest_desc - Named object to receive the value - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: Store the object to indexed Buffer or Package element - * - ******************************************************************************/ - -static acpi_status -acpi_ex_store_object_to_index(union acpi_operand_object *source_desc, - union acpi_operand_object *index_desc, - struct acpi_walk_state *walk_state) -{ - acpi_status status = AE_OK; - union acpi_operand_object *obj_desc; - union acpi_operand_object *new_desc; - u8 value = 0; - u32 i; - - ACPI_FUNCTION_TRACE(ex_store_object_to_index); - - /* - * Destination must be a reference pointer, and - * must point to either a buffer or a package - */ - switch (index_desc->reference.target_type) { - case ACPI_TYPE_PACKAGE: - /* - * Storing to a package element. Copy the object and replace - * any existing object with the new object. No implicit - * conversion is performed. - * - * The object at *(index_desc->Reference.Where) is the - * element within the package that is to be modified. - * The parent package object is at index_desc->Reference.Object - */ - obj_desc = *(index_desc->reference.where); - - if (ACPI_GET_OBJECT_TYPE(source_desc) == - ACPI_TYPE_LOCAL_REFERENCE - && source_desc->reference.class == ACPI_REFCLASS_TABLE) { - - /* This is a DDBHandle, just add a reference to it */ - - acpi_ut_add_reference(source_desc); - new_desc = source_desc; - } else { - /* Normal object, copy it */ - - status = - acpi_ut_copy_iobject_to_iobject(source_desc, - &new_desc, - walk_state); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - if (obj_desc) { - - /* Decrement reference count by the ref count of the parent package */ - - for (i = 0; i < ((union acpi_operand_object *) - index_desc->reference.object)->common. - reference_count; i++) { - acpi_ut_remove_reference(obj_desc); - } - } - - *(index_desc->reference.where) = new_desc; - - /* Increment ref count by the ref count of the parent package-1 */ - - for (i = 1; i < ((union acpi_operand_object *) - index_desc->reference.object)->common. - reference_count; i++) { - acpi_ut_add_reference(new_desc); - } - - break; - - case ACPI_TYPE_BUFFER_FIELD: - - /* - * Store into a Buffer or String (not actually a real buffer_field) - * at a location defined by an Index. - * - * The first 8-bit element of the source object is written to the - * 8-bit Buffer location defined by the Index destination object, - * according to the ACPI 2.0 specification. - */ - - /* - * Make sure the target is a Buffer or String. An error should - * not happen here, since the reference_object was constructed - * by the INDEX_OP code. - */ - obj_desc = index_desc->reference.object; - if ((ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_BUFFER) && - (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_STRING)) { - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* - * The assignment of the individual elements will be slightly - * different for each source type. - */ - switch (ACPI_GET_OBJECT_TYPE(source_desc)) { - case ACPI_TYPE_INTEGER: - - /* Use the least-significant byte of the integer */ - - value = (u8) (source_desc->integer.value); - break; - - case ACPI_TYPE_BUFFER: - case ACPI_TYPE_STRING: - - /* Note: Takes advantage of common string/buffer fields */ - - value = source_desc->buffer.pointer[0]; - break; - - default: - - /* All other types are invalid */ - - ACPI_ERROR((AE_INFO, - "Source must be Integer/Buffer/String type, not %s", - acpi_ut_get_object_type_name(source_desc))); - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); - } - - /* Store the source value into the target buffer byte */ - - obj_desc->buffer.pointer[index_desc->reference.value] = value; - break; - - default: - ACPI_ERROR((AE_INFO, "Target is not a Package or BufferField")); - status = AE_AML_OPERAND_TYPE; - break; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_store_object_to_node - * - * PARAMETERS: source_desc - Value to be stored - * Node - Named object to receive the value - * walk_state - Current walk state - * implicit_conversion - Perform implicit conversion (yes/no) - * - * RETURN: Status - * - * DESCRIPTION: Store the object to the named object. - * - * The Assignment of an object to a named object is handled here - * The value passed in will replace the current value (if any) - * with the input value. - * - * When storing into an object the data is converted to the - * target object type then stored in the object. This means - * that the target object type (for an initialized target) will - * not be changed by a store operation. - * - * Assumes parameters are already validated. - * - ******************************************************************************/ - -acpi_status -acpi_ex_store_object_to_node(union acpi_operand_object *source_desc, - struct acpi_namespace_node *node, - struct acpi_walk_state *walk_state, - u8 implicit_conversion) -{ - acpi_status status = AE_OK; - union acpi_operand_object *target_desc; - union acpi_operand_object *new_desc; - acpi_object_type target_type; - - ACPI_FUNCTION_TRACE_PTR(ex_store_object_to_node, source_desc); - - /* Get current type of the node, and object attached to Node */ - - target_type = acpi_ns_get_type(node); - target_desc = acpi_ns_get_attached_object(node); - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Storing %p(%s) into node %p(%s)\n", - source_desc, - acpi_ut_get_object_type_name(source_desc), node, - acpi_ut_get_type_name(target_type))); - - /* - * Resolve the source object to an actual value - * (If it is a reference object) - */ - status = acpi_ex_resolve_object(&source_desc, target_type, walk_state); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* If no implicit conversion, drop into the default case below */ - - if ((!implicit_conversion) || - ((walk_state->opcode == AML_COPY_OP) && - (target_type != ACPI_TYPE_LOCAL_REGION_FIELD) && - (target_type != ACPI_TYPE_LOCAL_BANK_FIELD) && - (target_type != ACPI_TYPE_LOCAL_INDEX_FIELD))) { - /* - * Force execution of default (no implicit conversion). Note: - * copy_object does not perform an implicit conversion, as per the ACPI - * spec -- except in case of region/bank/index fields -- because these - * objects must retain their original type permanently. - */ - target_type = ACPI_TYPE_ANY; - } - - /* Do the actual store operation */ - - switch (target_type) { - case ACPI_TYPE_BUFFER_FIELD: - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - - /* For fields, copy the source data to the target field. */ - - status = acpi_ex_write_data_to_field(source_desc, target_desc, - &walk_state->result_obj); - break; - - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - - /* - * These target types are all of type Integer/String/Buffer, and - * therefore support implicit conversion before the store. - * - * Copy and/or convert the source object to a new target object - */ - status = - acpi_ex_store_object_to_object(source_desc, target_desc, - &new_desc, walk_state); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - if (new_desc != target_desc) { - /* - * Store the new new_desc as the new value of the Name, and set - * the Name's type to that of the value being stored in it. - * source_desc reference count is incremented by attach_object. - * - * Note: This may change the type of the node if an explicit store - * has been performed such that the node/object type has been - * changed. - */ - status = - acpi_ns_attach_object(node, new_desc, - new_desc->common.type); - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Store %s into %s via Convert/Attach\n", - acpi_ut_get_object_type_name - (source_desc), - acpi_ut_get_object_type_name - (new_desc))); - } - break; - - default: - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Storing %s (%p) directly into node (%p) with no implicit conversion\n", - acpi_ut_get_object_type_name(source_desc), - source_desc, node)); - - /* No conversions for all other types. Just attach the source object */ - - status = acpi_ns_attach_object(node, source_desc, - ACPI_GET_OBJECT_TYPE - (source_desc)); - break; - } - - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c deleted file mode 100644 index ad2047afa463..000000000000 --- a/drivers/acpi/executer/exstoren.c +++ /dev/null @@ -1,304 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exstoren - AML Interpreter object store support, - * Store to Node (namespace object) - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exstoren") - -/******************************************************************************* - * - * FUNCTION: acpi_ex_resolve_object - * - * PARAMETERS: source_desc_ptr - Pointer to the source object - * target_type - Current type of the target - * walk_state - Current walk state - * - * RETURN: Status, resolved object in source_desc_ptr. - * - * DESCRIPTION: Resolve an object. If the object is a reference, dereference - * it and return the actual object in the source_desc_ptr. - * - ******************************************************************************/ -acpi_status -acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr, - acpi_object_type target_type, - struct acpi_walk_state *walk_state) -{ - union acpi_operand_object *source_desc = *source_desc_ptr; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_resolve_object); - - /* Ensure we have a Target that can be stored to */ - - switch (target_type) { - case ACPI_TYPE_BUFFER_FIELD: - case ACPI_TYPE_LOCAL_REGION_FIELD: - case ACPI_TYPE_LOCAL_BANK_FIELD: - case ACPI_TYPE_LOCAL_INDEX_FIELD: - /* - * These cases all require only Integers or values that - * can be converted to Integers (Strings or Buffers) - */ - - case ACPI_TYPE_INTEGER: - case ACPI_TYPE_STRING: - case ACPI_TYPE_BUFFER: - - /* - * Stores into a Field/Region or into a Integer/Buffer/String - * are all essentially the same. This case handles the - * "interchangeable" types Integer, String, and Buffer. - */ - if (ACPI_GET_OBJECT_TYPE(source_desc) == - ACPI_TYPE_LOCAL_REFERENCE) { - - /* Resolve a reference object first */ - - status = - acpi_ex_resolve_to_value(source_desc_ptr, - walk_state); - if (ACPI_FAILURE(status)) { - break; - } - } - - /* For copy_object, no further validation necessary */ - - if (walk_state->opcode == AML_COPY_OP) { - break; - } - - /* Must have a Integer, Buffer, or String */ - - if ((ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_INTEGER) && - (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_BUFFER) && - (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_STRING) && - !((ACPI_GET_OBJECT_TYPE(source_desc) == - ACPI_TYPE_LOCAL_REFERENCE) - && (source_desc->reference.class == - ACPI_REFCLASS_TABLE))) { - - /* Conversion successful but still not a valid type */ - - ACPI_ERROR((AE_INFO, - "Cannot assign type %s to %s (must be type Int/Str/Buf)", - acpi_ut_get_object_type_name(source_desc), - acpi_ut_get_type_name(target_type))); - status = AE_AML_OPERAND_TYPE; - } - break; - - case ACPI_TYPE_LOCAL_ALIAS: - case ACPI_TYPE_LOCAL_METHOD_ALIAS: - - /* - * All aliases should have been resolved earlier, during the - * operand resolution phase. - */ - ACPI_ERROR((AE_INFO, "Store into an unresolved Alias object")); - status = AE_AML_INTERNAL; - break; - - case ACPI_TYPE_PACKAGE: - default: - - /* - * All other types than Alias and the various Fields come here, - * including the untyped case - ACPI_TYPE_ANY. - */ - break; - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_store_object_to_object - * - * PARAMETERS: source_desc - Object to store - * dest_desc - Object to receive a copy of the source - * new_desc - New object if dest_desc is obsoleted - * walk_state - Current walk state - * - * RETURN: Status - * - * DESCRIPTION: "Store" an object to another object. This may include - * converting the source type to the target type (implicit - * conversion), and a copy of the value of the source to - * the target. - * - * The Assignment of an object to another (not named) object - * is handled here. - * The Source passed in will replace the current value (if any) - * with the input value. - * - * When storing into an object the data is converted to the - * target object type then stored in the object. This means - * that the target object type (for an initialized target) will - * not be changed by a store operation. - * - * This module allows destination types of Number, String, - * Buffer, and Package. - * - * Assumes parameters are already validated. NOTE: source_desc - * resolution (from a reference object) must be performed by - * the caller if necessary. - * - ******************************************************************************/ - -acpi_status -acpi_ex_store_object_to_object(union acpi_operand_object *source_desc, - union acpi_operand_object *dest_desc, - union acpi_operand_object **new_desc, - struct acpi_walk_state *walk_state) -{ - union acpi_operand_object *actual_src_desc; - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE_PTR(ex_store_object_to_object, source_desc); - - actual_src_desc = source_desc; - if (!dest_desc) { - /* - * There is no destination object (An uninitialized node or - * package element), so we can simply copy the source object - * creating a new destination object - */ - status = - acpi_ut_copy_iobject_to_iobject(actual_src_desc, new_desc, - walk_state); - return_ACPI_STATUS(status); - } - - if (ACPI_GET_OBJECT_TYPE(source_desc) != - ACPI_GET_OBJECT_TYPE(dest_desc)) { - /* - * The source type does not match the type of the destination. - * Perform the "implicit conversion" of the source to the current type - * of the target as per the ACPI specification. - * - * If no conversion performed, actual_src_desc = source_desc. - * Otherwise, actual_src_desc is a temporary object to hold the - * converted object. - */ - status = - acpi_ex_convert_to_target_type(ACPI_GET_OBJECT_TYPE - (dest_desc), source_desc, - &actual_src_desc, - walk_state); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - if (source_desc == actual_src_desc) { - /* - * No conversion was performed. Return the source_desc as the - * new object. - */ - *new_desc = source_desc; - return_ACPI_STATUS(AE_OK); - } - } - - /* - * We now have two objects of identical types, and we can perform a - * copy of the *value* of the source object. - */ - switch (ACPI_GET_OBJECT_TYPE(dest_desc)) { - case ACPI_TYPE_INTEGER: - - dest_desc->integer.value = actual_src_desc->integer.value; - - /* Truncate value if we are executing from a 32-bit ACPI table */ - - acpi_ex_truncate_for32bit_table(dest_desc); - break; - - case ACPI_TYPE_STRING: - - status = - acpi_ex_store_string_to_string(actual_src_desc, dest_desc); - break; - - case ACPI_TYPE_BUFFER: - - status = - acpi_ex_store_buffer_to_buffer(actual_src_desc, dest_desc); - break; - - case ACPI_TYPE_PACKAGE: - - status = - acpi_ut_copy_iobject_to_iobject(actual_src_desc, &dest_desc, - walk_state); - break; - - default: - /* - * All other types come here. - */ - ACPI_WARNING((AE_INFO, "Store into type %s not implemented", - acpi_ut_get_object_type_name(dest_desc))); - - status = AE_NOT_IMPLEMENTED; - break; - } - - if (actual_src_desc != source_desc) { - - /* Delete the intermediate (temporary) source object */ - - acpi_ut_remove_reference(actual_src_desc); - } - - *new_desc = dest_desc; - return_ACPI_STATUS(status); -} diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c deleted file mode 100644 index a48d580d71c2..000000000000 --- a/drivers/acpi/executer/exstorob.c +++ /dev/null @@ -1,209 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exstorob - AML Interpreter object store support, store to object - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exstorob") - -/******************************************************************************* - * - * FUNCTION: acpi_ex_store_buffer_to_buffer - * - * PARAMETERS: source_desc - Source object to copy - * target_desc - Destination object of the copy - * - * RETURN: Status - * - * DESCRIPTION: Copy a buffer object to another buffer object. - * - ******************************************************************************/ -acpi_status -acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc, - union acpi_operand_object *target_desc) -{ - u32 length; - u8 *buffer; - - ACPI_FUNCTION_TRACE_PTR(ex_store_buffer_to_buffer, source_desc); - - /* We know that source_desc is a buffer by now */ - - buffer = ACPI_CAST_PTR(u8, source_desc->buffer.pointer); - length = source_desc->buffer.length; - - /* - * If target is a buffer of length zero or is a static buffer, - * allocate a new buffer of the proper length - */ - if ((target_desc->buffer.length == 0) || - (target_desc->common.flags & AOPOBJ_STATIC_POINTER)) { - target_desc->buffer.pointer = ACPI_ALLOCATE(length); - if (!target_desc->buffer.pointer) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - target_desc->buffer.length = length; - } - - /* Copy source buffer to target buffer */ - - if (length <= target_desc->buffer.length) { - - /* Clear existing buffer and copy in the new one */ - - ACPI_MEMSET(target_desc->buffer.pointer, 0, - target_desc->buffer.length); - ACPI_MEMCPY(target_desc->buffer.pointer, buffer, length); - -#ifdef ACPI_OBSOLETE_BEHAVIOR - /* - * NOTE: ACPI versions up to 3.0 specified that the buffer must be - * truncated if the string is smaller than the buffer. However, "other" - * implementations of ACPI never did this and thus became the defacto - * standard. ACPI 3.0_a changes this behavior such that the buffer - * is no longer truncated. - */ - - /* - * OBSOLETE BEHAVIOR: - * If the original source was a string, we must truncate the buffer, - * according to the ACPI spec. Integer-to-Buffer and Buffer-to-Buffer - * copy must not truncate the original buffer. - */ - if (original_src_type == ACPI_TYPE_STRING) { - - /* Set the new length of the target */ - - target_desc->buffer.length = length; - } -#endif - } else { - /* Truncate the source, copy only what will fit */ - - ACPI_MEMCPY(target_desc->buffer.pointer, buffer, - target_desc->buffer.length); - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Truncating source buffer from %X to %X\n", - length, target_desc->buffer.length)); - } - - /* Copy flags */ - - target_desc->buffer.flags = source_desc->buffer.flags; - target_desc->common.flags &= ~AOPOBJ_STATIC_POINTER; - return_ACPI_STATUS(AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_store_string_to_string - * - * PARAMETERS: source_desc - Source object to copy - * target_desc - Destination object of the copy - * - * RETURN: Status - * - * DESCRIPTION: Copy a String object to another String object - * - ******************************************************************************/ - -acpi_status -acpi_ex_store_string_to_string(union acpi_operand_object *source_desc, - union acpi_operand_object *target_desc) -{ - u32 length; - u8 *buffer; - - ACPI_FUNCTION_TRACE_PTR(ex_store_string_to_string, source_desc); - - /* We know that source_desc is a string by now */ - - buffer = ACPI_CAST_PTR(u8, source_desc->string.pointer); - length = source_desc->string.length; - - /* - * Replace existing string value if it will fit and the string - * pointer is not a static pointer (part of an ACPI table) - */ - if ((length < target_desc->string.length) && - (!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) { - /* - * String will fit in existing non-static buffer. - * Clear old string and copy in the new one - */ - ACPI_MEMSET(target_desc->string.pointer, 0, - (acpi_size) target_desc->string.length + 1); - ACPI_MEMCPY(target_desc->string.pointer, buffer, length); - } else { - /* - * Free the current buffer, then allocate a new buffer - * large enough to hold the value - */ - if (target_desc->string.pointer && - (!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) { - - /* Only free if not a pointer into the DSDT */ - - ACPI_FREE(target_desc->string.pointer); - } - - target_desc->string.pointer = ACPI_ALLOCATE_ZEROED((acpi_size) - length + 1); - if (!target_desc->string.pointer) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - target_desc->common.flags &= ~AOPOBJ_STATIC_POINTER; - ACPI_MEMCPY(target_desc->string.pointer, buffer, length); - } - - /* Set the new target length */ - - target_desc->string.length = length; - return_ACPI_STATUS(AE_OK); -} diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c deleted file mode 100644 index a25b2c576eb1..000000000000 --- a/drivers/acpi/executer/exsystem.c +++ /dev/null @@ -1,303 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exsystem - Interface to OS services - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exsystem") - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_wait_semaphore - * - * PARAMETERS: Semaphore - Semaphore to wait on - * Timeout - Max time to wait - * - * RETURN: Status - * - * DESCRIPTION: Implements a semaphore wait with a check to see if the - * semaphore is available immediately. If it is not, the - * interpreter is released before waiting. - * - ******************************************************************************/ -acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_system_wait_semaphore); - - status = acpi_os_wait_semaphore(semaphore, 1, ACPI_DO_NOT_WAIT); - if (ACPI_SUCCESS(status)) { - return_ACPI_STATUS(status); - } - - if (status == AE_TIME) { - - /* We must wait, so unlock the interpreter */ - - acpi_ex_relinquish_interpreter(); - - status = acpi_os_wait_semaphore(semaphore, 1, timeout); - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "*** Thread awake after blocking, %s\n", - acpi_format_exception(status))); - - /* Reacquire the interpreter */ - - acpi_ex_reacquire_interpreter(); - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_wait_mutex - * - * PARAMETERS: Mutex - Mutex to wait on - * Timeout - Max time to wait - * - * RETURN: Status - * - * DESCRIPTION: Implements a mutex wait with a check to see if the - * mutex is available immediately. If it is not, the - * interpreter is released before waiting. - * - ******************************************************************************/ - -acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_system_wait_mutex); - - status = acpi_os_acquire_mutex(mutex, ACPI_DO_NOT_WAIT); - if (ACPI_SUCCESS(status)) { - return_ACPI_STATUS(status); - } - - if (status == AE_TIME) { - - /* We must wait, so unlock the interpreter */ - - acpi_ex_relinquish_interpreter(); - - status = acpi_os_acquire_mutex(mutex, timeout); - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "*** Thread awake after blocking, %s\n", - acpi_format_exception(status))); - - /* Reacquire the interpreter */ - - acpi_ex_reacquire_interpreter(); - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_do_stall - * - * PARAMETERS: how_long - The amount of time to stall, - * in microseconds - * - * RETURN: Status - * - * DESCRIPTION: Suspend running thread for specified amount of time. - * Note: ACPI specification requires that Stall() does not - * relinquish the processor, and delays longer than 100 usec - * should use Sleep() instead. We allow stalls up to 255 usec - * for compatibility with other interpreters and existing BIOSs. - * - ******************************************************************************/ - -acpi_status acpi_ex_system_do_stall(u32 how_long) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_ENTRY(); - - if (how_long > 255) { /* 255 microseconds */ - /* - * Longer than 255 usec, this is an error - * - * (ACPI specifies 100 usec as max, but this gives some slack in - * order to support existing BIOSs) - */ - ACPI_ERROR((AE_INFO, "Time parameter is too large (%d)", - how_long)); - status = AE_AML_OPERAND_VALUE; - } else { - acpi_os_stall(how_long); - } - - return (status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_do_suspend - * - * PARAMETERS: how_long - The amount of time to suspend, - * in milliseconds - * - * RETURN: None - * - * DESCRIPTION: Suspend running thread for specified amount of time. - * - ******************************************************************************/ - -acpi_status acpi_ex_system_do_suspend(acpi_integer how_long) -{ - ACPI_FUNCTION_ENTRY(); - - /* Since this thread will sleep, we must release the interpreter */ - - acpi_ex_relinquish_interpreter(); - - acpi_os_sleep(how_long); - - /* And now we must get the interpreter again */ - - acpi_ex_reacquire_interpreter(); - return (AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_signal_event - * - * PARAMETERS: obj_desc - The object descriptor for this op - * - * RETURN: Status - * - * DESCRIPTION: Provides an access point to perform synchronization operations - * within the AML. - * - ******************************************************************************/ - -acpi_status acpi_ex_system_signal_event(union acpi_operand_object * obj_desc) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_system_signal_event); - - if (obj_desc) { - status = - acpi_os_signal_semaphore(obj_desc->event.os_semaphore, 1); - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_wait_event - * - * PARAMETERS: time_desc - The 'time to delay' object descriptor - * obj_desc - The object descriptor for this op - * - * RETURN: Status - * - * DESCRIPTION: Provides an access point to perform synchronization operations - * within the AML. This operation is a request to wait for an - * event. - * - ******************************************************************************/ - -acpi_status -acpi_ex_system_wait_event(union acpi_operand_object *time_desc, - union acpi_operand_object *obj_desc) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(ex_system_wait_event); - - if (obj_desc) { - status = - acpi_ex_system_wait_semaphore(obj_desc->event.os_semaphore, - (u16) time_desc->integer. - value); - } - - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_system_reset_event - * - * PARAMETERS: obj_desc - The object descriptor for this op - * - * RETURN: Status - * - * DESCRIPTION: Reset an event to a known state. - * - ******************************************************************************/ - -acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc) -{ - acpi_status status = AE_OK; - acpi_semaphore temp_semaphore; - - ACPI_FUNCTION_ENTRY(); - - /* - * We are going to simply delete the existing semaphore and - * create a new one! - */ - status = - acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore); - if (ACPI_SUCCESS(status)) { - (void)acpi_os_delete_semaphore(obj_desc->event.os_semaphore); - obj_desc->event.os_semaphore = temp_semaphore; - } - - return (status); -} diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c deleted file mode 100644 index 0ecdb70c4980..000000000000 --- a/drivers/acpi/executer/exutils.c +++ /dev/null @@ -1,421 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exutils - interpreter/scanner utilities - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2008, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -/* - * DEFINE_AML_GLOBALS is tested in amlcode.h - * to determine whether certain global names should be "defined" or only - * "declared" in the current compilation. This enhances maintainability - * by enabling a single header file to embody all knowledge of the names - * in question. - * - * Exactly one module of any executable should #define DEFINE_GLOBALS - * before #including the header files which use this convention. The - * names in question will be defined and initialized in that module, - * and declared as extern in all other modules which #include those - * header files. - */ - -#define DEFINE_AML_GLOBALS - -#include <acpi/acpi.h> -#include <acpi/accommon.h> -#include <acpi/acinterp.h> -#include <acpi/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER -ACPI_MODULE_NAME("exutils") - -/* Local prototypes */ -static u32 acpi_ex_digits_needed(acpi_integer value, u32 base); - -#ifndef ACPI_NO_METHOD_EXECUTION -/******************************************************************************* - * - * FUNCTION: acpi_ex_enter_interpreter - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Enter the interpreter execution region. Failure to enter - * the interpreter region is a fatal system error. Used in - * conjunction with exit_interpreter. - * - ******************************************************************************/ - -void acpi_ex_enter_interpreter(void) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_enter_interpreter); - - status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not acquire AML Interpreter mutex")); - } - - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_reacquire_interpreter - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Reacquire the interpreter execution region from within the - * interpreter code. Failure to enter the interpreter region is a - * fatal system error. Used in conjuction with - * relinquish_interpreter - * - ******************************************************************************/ - -void acpi_ex_reacquire_interpreter(void) -{ - ACPI_FUNCTION_TRACE(ex_reacquire_interpreter); - - /* - * If the global serialized flag is set, do not release the interpreter, - * since it was not actually released by acpi_ex_relinquish_interpreter. - * This forces the interpreter to be single threaded. - */ - if (!acpi_gbl_all_methods_serialized) { - acpi_ex_enter_interpreter(); - } - - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_exit_interpreter - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Exit the interpreter execution region. This is the top level - * routine used to exit the interpreter when all processing has - * been completed. - * - ******************************************************************************/ - -void acpi_ex_exit_interpreter(void) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_exit_interpreter); - - status = acpi_ut_release_mutex(ACPI_MTX_INTERPRETER); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Could not release AML Interpreter mutex")); - } - - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_relinquish_interpreter - * - * PARAMETERS: None - * - * RETURN: None - * - * DESCRIPTION: Exit the interpreter execution region, from within the - * interpreter - before attempting an operation that will possibly - * block the running thread. - * - * Cases where the interpreter is unlocked internally - * 1) Method to be blocked on a Sleep() AML opcode - * 2) Method to be blocked on an Acquire() AML opcode - * 3) Method to be blocked on a Wait() AML opcode - * 4) Method to be blocked to acquire the global lock - * 5) Method to be blocked waiting to execute a serialized control method - * that is currently executing - * 6) About to invoke a user-installed opregion handler - * - ******************************************************************************/ - -void acpi_ex_relinquish_interpreter(void) -{ - ACPI_FUNCTION_TRACE(ex_relinquish_interpreter); - - /* - * If the global serialized flag is set, do not release the interpreter. - * This forces the interpreter to be single threaded. - */ - if (!acpi_gbl_all_methods_serialized) { - acpi_ex_exit_interpreter(); - } - - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_truncate_for32bit_table - * - * PARAMETERS: obj_desc - Object to be truncated - * - * RETURN: none - * - * DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is - * 32-bit, as determined by the revision of the DSDT. - * - ******************************************************************************/ - -void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc) -{ - - ACPI_FUNCTION_ENTRY(); - - /* - * Object must be a valid number and we must be executing - * a control method. NS node could be there for AML_INT_NAMEPATH_OP. - */ - if ((!obj_desc) || - (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) || - (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER)) { - return; - } - - if (acpi_gbl_integer_byte_width == 4) { - /* - * We are running a method that exists in a 32-bit ACPI table. - * Truncate the value to 32 bits by zeroing out the upper 32-bit field - */ - obj_desc->integer.value &= (acpi_integer) ACPI_UINT32_MAX; - } -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_acquire_global_lock - * - * PARAMETERS: field_flags - Flags with Lock rule: - * always_lock or never_lock - * - * RETURN: None - * - * DESCRIPTION: Obtain the ACPI hardware Global Lock, only if the field - * flags specifiy that it is to be obtained before field access. - * - ******************************************************************************/ - -void acpi_ex_acquire_global_lock(u32 field_flags) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_acquire_global_lock); - - /* Only use the lock if the always_lock bit is set */ - - if (!(field_flags & AML_FIELD_LOCK_RULE_MASK)) { - return_VOID; - } - - /* Attempt to get the global lock, wait forever */ - - status = acpi_ex_acquire_mutex_object(ACPI_WAIT_FOREVER, - acpi_gbl_global_lock_mutex, - acpi_os_get_thread_id()); - - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Could not acquire Global Lock")); - } - - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_release_global_lock - * - * PARAMETERS: field_flags - Flags with Lock rule: - * always_lock or never_lock - * - * RETURN: None - * - * DESCRIPTION: Release the ACPI hardware Global Lock - * - ******************************************************************************/ - -void acpi_ex_release_global_lock(u32 field_flags) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(ex_release_global_lock); - - /* Only use the lock if the always_lock bit is set */ - - if (!(field_flags & AML_FIELD_LOCK_RULE_MASK)) { - return_VOID; - } - - /* Release the global lock */ - - status = acpi_ex_release_mutex_object(acpi_gbl_global_lock_mutex); - if (ACPI_FAILURE(status)) { - - /* Report the error, but there isn't much else we can do */ - - ACPI_EXCEPTION((AE_INFO, status, - "Could not release Global Lock")); - } - - return_VOID; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_digits_needed - * - * PARAMETERS: Value - Value to be represented - * Base - Base of representation - * - * RETURN: The number of digits. - * - * DESCRIPTION: Calculate the number of digits needed to represent the Value - * in the given Base (Radix) - * - ******************************************************************************/ - -static u32 acpi_ex_digits_needed(acpi_integer value, u32 base) -{ - u32 num_digits; - acpi_integer current_value; - - ACPI_FUNCTION_TRACE(ex_digits_needed); - - /* acpi_integer is unsigned, so we don't worry about a '-' prefix */ - - if (value == 0) { - return_UINT32(1); - } - - current_value = value; - num_digits = 0; - - /* Count the digits in the requested base */ - - while (current_value) { - (void)acpi_ut_short_divide(current_value, base, ¤t_value, - NULL); - num_digits++; - } - - return_UINT32(num_digits); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_eisa_id_to_string - * - * PARAMETERS: numeric_id - EISA ID to be converted - * out_string - Where to put the converted string (8 bytes) - * - * RETURN: None - * - * DESCRIPTION: Convert a numeric EISA ID to string representation - * - ******************************************************************************/ - -void acpi_ex_eisa_id_to_string(u32 numeric_id, char *out_string) -{ - u32 eisa_id; - - ACPI_FUNCTION_ENTRY(); - - /* Swap ID to big-endian to get contiguous bits */ - - eisa_id = acpi_ut_dword_byte_swap(numeric_id); - - out_string[0] = (char)('@' + (((unsigned long)eisa_id >> 26) & 0x1f)); - out_string[1] = (char)('@' + ((eisa_id >> 21) & 0x1f)); - out_string[2] = (char)('@' + ((eisa_id >> 16) & 0x1f)); - out_string[3] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 12); - out_string[4] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 8); - out_string[5] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 4); - out_string[6] = acpi_ut_hex_to_ascii_char((acpi_integer) eisa_id, 0); - out_string[7] = 0; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ex_unsigned_integer_to_string - * - * PARAMETERS: Value - Value to be converted - * out_string - Where to put the converted string (8 bytes) - * - * RETURN: None, string - * - * DESCRIPTION: Convert a number to string representation. Assumes string - * buffer is large enough to hold the string. - * - ******************************************************************************/ - -void acpi_ex_unsigned_integer_to_string(acpi_integer value, char *out_string) -{ - u32 count; - u32 digits_needed; - u32 remainder; - - ACPI_FUNCTION_ENTRY(); - - digits_needed = acpi_ex_digits_needed(value, 10); - out_string[digits_needed] = 0; - - for (count = digits_needed; count > 0; count--) { - (void)acpi_ut_short_divide(value, 10, &value, &remainder); - out_string[count - 1] = (char)('0' + remainder); - } -} - -#endif |