/**
* The Dispatcher is the entry point into the AGESA software. It takes a function
* number as entry parameter in order to invoke the published function
*
* @param[in,out] ConfigPtr
*
* @return AGESA Status.
*
*/
AGESA_STATUS
CALLCONV
AmdAgesaDispatcher (
IN OUT VOID *ConfigPtrParm
)
{
AGESA_STATUS Status = AGESA_UNSUPPORTED;
AMD_CONFIG_PARAMS *ConfigPtr = ConfigPtrParm;
{
DISPATCH_TABLE *Entry;
Entry = (DISPATCH_TABLE *) DispatchTable;
while (Entry->FunctionId != 0) {
if (ConfigPtr->Func == Entry->FunctionId) {
Status = Entry->EntryPoint (ConfigPtr);
break;
}
Entry++;
}
}
// 2. Try next dispatcher if possible, and we have not already got status back
if ((mCpuModuleID.NextBlock != NULL) && (Status == AGESA_UNSUPPORTED)) {
MODULE_ENTRY ModuleEntry = NULL;
ModuleEntry = (MODULE_ENTRY) (UINT64) mCpuModuleID.NextBlock->ModuleDispatcher;
if (ModuleEntry != NULL) {
Status = (*ModuleEntry) (ConfigPtr);
}
}
// 3. If not this image specific function, see if we can find alternative image instead
if (Status == AGESA_UNSUPPORTED) {
IMAGE_ENTRY ImageEntry = NULL;
UINT32 ImageStart = 0xFFE80000;
UINT32 ImageEnd = 0xFFFC0000;
AMD_IMAGE_HEADER* AltImagePtr = NULL;
if ((((AMD_CONFIG_PARAMS *)ConfigPtr)->AltImageBasePtr != 0xFFFFFFFF ) || (((AMD_CONFIG_PARAMS *)ConfigPtr)->AltImageBasePtr != 0)) {
ImageStart = ((AMD_CONFIG_PARAMS *)ConfigPtr)->AltImageBasePtr;
ImageEnd = ImageStart + 4;
// Locate/test image base that matches this component
AltImagePtr = LibAmdLocateImage (
(VOID *)ImageStart,
(VOID *)ImageEnd,
4096,
(CHAR8 *)AGESA_ID
);
if (AltImagePtr != NULL) {
//Invoke alternative Image
ImageEntry = (IMAGE_ENTRY) ((UINT64) AltImagePtr + AltImagePtr->EntryPointAddress);
Status = (*ImageEntry) (ConfigPtr);
}
}
}
return (Status);
}
const void *agesawrapper_locate_module (const CHAR8 name[8])
{
const void* agesa;
const AMD_IMAGE_HEADER* image;
const AMD_MODULE_HEADER* module;
size_t file_size;
agesa = cbfs_boot_map_with_leak((const char *)CONFIG_CBFS_AGESA_NAME,
CBFS_TYPE_RAW, &file_size);
if (!agesa)
return NULL;
image = LibAmdLocateImage(agesa, agesa + file_size - 1, 4096, name);
module = (AMD_MODULE_HEADER*)image->ModuleInfoOffset;
return module;
}
const void *agesawrapper_locate_module (const CHAR8 name[8])
{
struct cbfs_media media;
struct cbfs_file* file;
const void* agesa;
const AMD_IMAGE_HEADER* image;
const AMD_MODULE_HEADER* module;
size_t file_size;
if (init_default_cbfs_media(&media))
return NULL;
file = cbfs_get_file(&media, (const char*)CONFIG_CBFS_AGESA_NAME);
if (!file)
return NULL;
agesa = cbfs_get_file_content(&media, (const char*)CONFIG_CBFS_AGESA_NAME,
ntohl(file->type), &file_size);
if (!agesa)
return NULL;
image = LibAmdLocateImage(agesa, agesa + file_size - 1, 4096, name);
module = (AMD_MODULE_HEADER*)image->ModuleInfoOffset;
return module;
}
