/**
* Application Processor perform a function as directed by the BSC.
*
* This is needed for an AP task that must run after AGESA has relinquished control
* of the APs to the IBV.
*
* @param[in] AmdApExeParams The interface struct for any required routine.
*
* @return The most severe AGESA_STATUS returned by any called service. Note
* that this will be the return value passed back to the BSC as the
* return value for the call out.
*
*/
AGESA_STATUS
AmdLateRunApTask (
IN AP_EXE_PARAMS *AmdApExeParams
)
{
AGESA_STATUS CalledAgesaStatus;
AGESA_STATUS ApLateTaskStatus;
DISPATCH_TABLE *Entry;
AGESA_TESTPOINT (TpIfAmdLateRunApTaskEntry, &AmdApExeParams->StdHeader);
ASSERT (AmdApExeParams != NULL);
ApLateTaskStatus = AGESA_SUCCESS;
CalledAgesaStatus = AGESA_UNSUPPORTED;
// Dispatch, if valid
Entry = (DISPATCH_TABLE *) ApDispatchTable;
while (Entry->FunctionId != 0) {
if (AmdApExeParams->FunctionNumber == Entry->FunctionId) {
CalledAgesaStatus = Entry->EntryPoint (AmdApExeParams);
break;
}
Entry++;
}
if (CalledAgesaStatus > ApLateTaskStatus) {
ApLateTaskStatus = CalledAgesaStatus;
}
AGESA_TESTPOINT (TpIfAmdLateRunApTaskExit, &AmdApExeParams->StdHeader);
return ApLateTaskStatus;
}
/**
* 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 *ConfigPtr
)
{
AGESA_STATUS Status;
MODULE_ENTRY ModuleEntry;
DISPATCH_TABLE *Entry;
Status = AGESA_UNSUPPORTED;
ModuleEntry = NULL;
Entry = (DISPATCH_TABLE *) DispatchTable;
while (Entry->FunctionId != 0) {
if ((((AMD_CONFIG_PARAMS *) 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)) {
ModuleEntry = (MODULE_ENTRY) /* (UINT64) */ mCpuModuleID.NextBlock->ModuleDispatcher;
if (ModuleEntry != NULL) {
Status = (*ModuleEntry) (ConfigPtr);
}
}
return (Status);
}
/**
* 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);
}