diff options
Diffstat (limited to 'drivers/acpi/executer/exoparg2.c')
| -rw-r--r-- | drivers/acpi/executer/exoparg2.c | 605 |
1 files changed, 0 insertions, 605 deletions
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); -} |