diff options
Diffstat (limited to 'drivers/staging/nmf-cm/cm/engine/component/src/loader.c')
| -rw-r--r-- | drivers/staging/nmf-cm/cm/engine/component/src/loader.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/drivers/staging/nmf-cm/cm/engine/component/src/loader.c b/drivers/staging/nmf-cm/cm/engine/component/src/loader.c new file mode 100644 index 00000000000..3d81e8308f9 --- /dev/null +++ b/drivers/staging/nmf-cm/cm/engine/component/src/loader.c @@ -0,0 +1,384 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * Author: Jean-Philippe FASSINO <jean-philippe.fassino@stericsson.com> for ST-Ericsson. + * License terms: GNU General Public License (GPL) version 2. + */ +#include <cm/engine/component/inc/instance.h> +#include <cm/engine/memory/inc/memory.h> +#include <cm/engine/executive_engine_mgt/inc/executive_engine_mgt.h> +#include <cm/engine/component/inc/bind.h> + +#include <cm/engine/utils/inc/string.h> +#include <cm/engine/trace/inc/trace.h> +#include <cm/engine/utils/inc/convert.h> + +void START(void); +void END(char*); + +#undef NHASH +#define NHASH 79 //Use a prime number! +#define MULT 17 + +static t_component_template *templates[NB_CORE_IDS][NHASH]; + +static unsigned int templateHash(const char *str) +{ + unsigned int h = 0; + for(; *str; str++) + h = MULT * h + *str; + return h % NHASH; +} + +static void templateAdd(t_component_template *template) +{ + unsigned int h = templateHash(template->name); + + if(templates[template->dspId][h] != NULL) + templates[template->dspId][h]->prev = template; + template->next = templates[template->dspId][h]; + template->prev = NULL; + templates[template->dspId][h] = template; +} + +static void templateRemove(t_component_template *template) +{ + unsigned int h = templateHash(template->name); + + if(template->prev != NULL) + template->prev->next = template->next; + if(template->next != NULL) + template->next->prev = template->prev; + if(template == templates[template->dspId][h]) + templates[template->dspId][h] = template->next; +} + + +t_component_template* cm_lookupTemplate(t_nmf_core_id dspId, t_dup_char str) +{ + t_component_template *template; + + for(template = templates[dspId][templateHash(str)]; template != NULL; template = template->next) + { + if(str == template->name) + return template; + } + + return NULL; +} + +t_bool cm_isComponentOnCoreId(t_nmf_core_id coreId) { + t_uint32 i; + + for(i = 0; i < NHASH; i++) + { + if ((templates[coreId][i] != NULL) + && (templates[coreId][i]->classe != FIRMWARE)) // Skip firmware + return TRUE; + } + + return FALSE; +} + + +static t_dsp_address MemoryToDspAdress(t_component_template *template, t_memory_reference *memory) +{ + if(memory->memory == NULL) + return (t_dsp_address)memory->offset; + else + { + t_dsp_address address; + + cm_DSP_GetDspAddress(template->memories[memory->memory->id], &address); + + return (t_dsp_address)(address + memory->offset); + } +} + +/* + * Method callback + */ +t_uint32 cm_resolvSymbol( + void* context, + t_uint32 type, + t_dup_char symbolName, + char* reloc_addr) +{ + t_component_template *template = (t_component_template*)context; + t_component_instance* ee = cm_EEM_getExecutiveEngine(template->dspId)->instance; + int i, j; + + // Search if this method is provided by EE and resolve it directly + for(i = 0; i < ee->Template->provideNumber; i++) + { + t_interface_provide* provide = &ee->Template->provides[i]; + t_interface_provide_loaded* provideLoaded = &ee->Template->providesLoaded[i]; + + for(j = 0; j < provide->interface->methodNumber; j++) + { + if(provide->interface->methodNames[j] == symbolName) + { + return provideLoaded->indexesLoaded[0][j].methodAddresses; // Here we assume no collection provided !! + } + } + } + + // Lookup if the method is statically required, ands delay relocation when bind occur + for(i = 0; i < template->requireNumber; i++) + { + if((template->requires[i].requireTypes & STATIC_REQUIRE) == 0) + continue; + + for(j = 0; j < template->requires[i].interface->methodNumber; j++) + { + if(template->requires[i].interface->methodNames[j] == symbolName) + { + t_function_relocation* delayedRelocation = (t_function_relocation*)OSAL_Alloc(sizeof(t_function_relocation)); + if(delayedRelocation == NULL) + return 0xFFFFFFFE; + + delayedRelocation->type = type; + delayedRelocation->symbol_name = cm_StringReference(symbolName); + delayedRelocation->reloc_addr = reloc_addr; + delayedRelocation->next = template->delayedRelocation; + template->delayedRelocation = delayedRelocation; + + return 0xFFFFFFFF; + } + } + } + + //Symbol not found + return 0x0; +} + +/* + * Template Management + */ +t_cm_error cm_loadComponent( + t_dup_char templateName, + t_cm_domain_id domainId, + t_elfdescription* elfhandle, + t_component_template **reftemplate) +{ + t_nmf_core_id coreId = cm_DM_GetDomainCoreId(domainId); + t_cm_error error; + int i, j, k; + + /* + * Allocate new component template if first instance + */ + if(*reftemplate == NULL) + { + t_component_template *template; + + LOG_INTERNAL(1, "\n##### Load template %s on %s #####\n", templateName, cm_getDspName(coreId), 0, 0, 0, 0); + + /* + * Sanity check + */ + if(elfhandle->foundedTemplateName != templateName) + { + ERROR("CM_INVALID_ELF_FILE: template name %s != %s\n", templateName, elfhandle->foundedTemplateName, 0, 0, 0, 0); + return CM_INVALID_ELF_FILE; + } + + // Alloc & Reset variable in order to use unloadComponent either with partial constructed template + *reftemplate = template = (t_component_template*)OSAL_Alloc_Zero(sizeof(t_component_template)); + if(template == NULL) + return CM_NO_MORE_MEMORY; + template->name = cm_StringReference(elfhandle->foundedTemplateName); + + // Get information from elfhandle + template->descriptionAssociatedWithTemplate = elfhandle->temporaryDescription; + template->requireNumber = elfhandle->requireNumber; + template->requires = elfhandle->requires; + template->attributeNumber = elfhandle->attributeNumber; + template->attributes = elfhandle->attributes; + template->propertyNumber = elfhandle->propertyNumber; + template->properties = elfhandle->properties; + template->provideNumber = elfhandle->provideNumber; + template->provides = elfhandle->provides; + if(template->descriptionAssociatedWithTemplate) + { + elfhandle->requires = NULL; + elfhandle->attributes = NULL; + elfhandle->properties = NULL; + elfhandle->provides = NULL; + } + + // Compute simple information + template->numberOfInstance = 1; + template->dspId = coreId; + LOG_INTERNAL(3, "load<%x> = %s\n", (int)template, template->name, 0, 0, 0, 0); + switch(elfhandle->magicNumber) { + case MAGIC_COMPONENT: + template->classe = COMPONENT; + break; + case MAGIC_SINGLETON: + template->classe = SINGLETON; + break; + case MAGIC_FIRMWARE: + template->classe = FIRMWARE; + break; + } + template->minStackSize = elfhandle->minStackSize; + + /* + * Load shared memory from file + */ + // START(); + if((error = cm_ELF_LoadTemplate(domainId, elfhandle, template->memories, template->classe == SINGLETON)) != CM_OK) + goto out; + MMDSP_serializeMemories(elfhandle->instanceProperty, &template->codeMemory, &template->thisMemory); + // END("cm_ELF_LoadTemplate"); + + /* + * Copy LCC functions information + * Since MMDSP require Constructor & Destructor (for cache flush and debug purpose) to be called + * either if not provided by user for allowing defered breakpoint, we use Void method if not provided. + */ + template->LCCConstructAddress = MemoryToDspAdress(template, &elfhandle->memoryForConstruct); + template->LCCStartAddress = MemoryToDspAdress(template, &elfhandle->memoryForStart); + template->LCCStopAddress = MemoryToDspAdress(template, &elfhandle->memoryForStop); + template->LCCDestroyAddress = MemoryToDspAdress(template, &elfhandle->memoryForDestroy); + if(template->LCCConstructAddress == 0 && template->classe != FIRMWARE) + template->LCCConstructAddress = cm_EEM_getExecutiveEngine(coreId)->voidAddr; + + // Compute provide methodIndex + if(template->provideNumber != 0) + { + template->providesLoaded = + (t_interface_provide_loaded*)OSAL_Alloc_Zero(sizeof(t_interface_provide_loaded) * template->provideNumber); + if(template->providesLoaded == NULL) + goto oom; + + for(i = 0; i < template->provideNumber; i++) + { + template->providesLoaded[i].indexesLoaded = (t_interface_provide_index_loaded**)OSAL_Alloc_Zero( + sizeof(t_interface_provide_index_loaded*) * template->provides[i].collectionSize); + if(template->providesLoaded[i].indexesLoaded == NULL) + goto oom; + + if(template->provides[i].interface->methodNumber != 0) + { + for(j = 0; j < template->provides[i].collectionSize; j++) + { + template->providesLoaded[i].indexesLoaded[j] = (t_interface_provide_index_loaded*)OSAL_Alloc( + sizeof(t_interface_provide_index_loaded) * template->provides[i].interface->methodNumber); + if(template->providesLoaded[i].indexesLoaded[j] == NULL) + goto oom; + + for(k = 0; k < template->provides[i].interface->methodNumber; k++) + { + template->providesLoaded[i].indexesLoaded[j][k].methodAddresses = + MemoryToDspAdress(template, &template->provides[i].indexes[j][k].memory); + + LOG_INTERNAL(2, " [%d, %d] method '%s' @ %x\n", + j, k, template->provides[i].interface->methodNames[k], + template->providesLoaded[i].indexesLoaded[j][k].methodAddresses, 0, 0); + } + + } + } + } + } + + /* + * TODO + + if((error = elfhandle->errorOccured) != CM_OK) + goto out; + */ + + // START(); + if(template->classe != FIRMWARE) + { + if((error = cm_ELF_relocateSharedSegments( + template->memories, + elfhandle, + template)) != CM_OK) + goto out; + } + // END("cm_ELF_relocateSharedSegments"); + + cm_ELF_FlushTemplate(coreId, template->memories); + + templateAdd(template); + + return CM_OK; + oom: + error = CM_NO_MORE_MEMORY; + out: + cm_unloadComponent(template); + return error; + } + else + { + (*reftemplate)->numberOfInstance++; + } + + return CM_OK; +} + +PUBLIC t_cm_error cm_unloadComponent( + t_component_template *template) +{ + /* + * Destroy template if last instance + */ + if(--template->numberOfInstance == 0) { + t_function_relocation* reloc; + + LOG_INTERNAL(3, "unload<%s>\n", template->name, 0, 0, 0, 0, 0); + + templateRemove(template); + + // Free delayedRelocation + reloc = template->delayedRelocation; + while(reloc != NULL) + { + t_function_relocation *tofree = reloc; + reloc = reloc->next; + cm_StringRelease(tofree->symbol_name); + OSAL_Free(tofree); + } + + if(template->providesLoaded != NULL) + { + int i, j; + + for(i = 0; i < template->provideNumber; i++) + { + if(template->providesLoaded[i].indexesLoaded != NULL) + { + for(j = 0; j < template->provides[i].collectionSize; j++) + { + OSAL_Free(template->providesLoaded[i].indexesLoaded[j]); + } + OSAL_Free(template->providesLoaded[i].indexesLoaded); + } + } + + OSAL_Free(template->providesLoaded); + } + + if(template->descriptionAssociatedWithTemplate) + { + cm_ELF_ReleaseDescription( + template->requireNumber, template->requires, + template->attributeNumber, template->attributes, + template->propertyNumber, template->properties, + template->provideNumber, template->provides); + } + + // Free shared memories + cm_ELF_FreeTemplate(template->dspId, template->memories); + + cm_StringRelease(template->name); + + OSAL_Free(template); + } + + return CM_OK; +} + |