/**
This function transfer control to the ContinuationFunc passed in by the
BootLoader.
**/
VOID
EFIAPI
FspInitDone (
VOID
)
{
FSP_INIT_PARAMS *FspInitParams;
if (GetFspApiCallingMode() == 0) {
//
// FspInit API is used, so jump into the ContinuationFunc
//
FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();
//
// Modify the parameters for ContinuationFunc
//
SetFspContinuationFuncParameter(EFI_SUCCESS, 0);
SetFspContinuationFuncParameter((UINT32)GetHobList(), 1);
//
// Modify the return address to ContinuationFunc
//
SetFspApiReturnAddress((UINT32)FspInitParams->ContinuationFunc);
//
// Give control back to the boot loader framework caller after FspInit is done
// It is done throught the continuation function
//
SetFspMeasurePoint (FSP_PERF_ID_API_FSPINIT_EXIT);
} else {
//
// FspMemoryInit API is used, so return directly
//
//
// This is the end of the FspSiliconInit API
// Give control back to the boot loader
//
DEBUG ((DEBUG_INFO | DEBUG_INIT, "FspSiliconInitApi() - End\n"));
SetFspApiReturnStatus (EFI_SUCCESS);
}
Pei2LoaderSwitchStack();
}
/**
Migrate BootLoader data before destroying CAR.
**/
VOID
EFIAPI
FspMigrateTemporaryMemory (
VOID
)
{
FSP_INIT_RT_COMMON_BUFFER *FspInitRtBuffer;
UINT32 BootLoaderTempRamStart;
UINT32 BootLoaderTempRamEnd;
UINT32 BootLoaderTempRamSize;
UINT32 OffsetGap;
UINT32 FspParamPtr;
FSP_INIT_PARAMS *FspInitParams;
UINT32 *NewStackTop;
VOID *BootLoaderTempRamHob;
UINT32 UpdDataRgnPtr;
UINT32 MemoryInitUpdPtr;
UINT32 SiliconInitUpdPtr;
VOID *PlatformDataPtr;
UINT8 ApiMode;
ApiMode = GetFspApiCallingMode ();
//
// Get the temporary memory range used by the BootLoader
//
BootLoaderTempRamStart = PcdGet32(PcdTemporaryRamBase);
BootLoaderTempRamSize = PcdGet32(PcdTemporaryRamSize) - PcdGet32(PcdFspTemporaryRamSize);
BootLoaderTempRamEnd = BootLoaderTempRamStart + BootLoaderTempRamSize;
//
// Build a Boot Loader Temporary Memory GUID HOB
//
if (ApiMode == 0) {
BootLoaderTempRamHob = BuildGuidHob (&gFspBootLoaderTemporaryMemoryGuid, BootLoaderTempRamSize);
} else {
BootLoaderTempRamHob = (VOID *)AllocatePages (EFI_SIZE_TO_PAGES (BootLoaderTempRamSize));
}
ASSERT(BootLoaderTempRamHob != NULL);
CopyMem (BootLoaderTempRamHob, (VOID *)BootLoaderTempRamStart, BootLoaderTempRamSize);
OffsetGap = (UINT32)BootLoaderTempRamHob - BootLoaderTempRamStart;
//
// Set a new stack frame for the continuation function
//
if (ApiMode == 0) {
FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();
FspInitRtBuffer = (FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr;
NewStackTop = (UINT32 *)FspInitRtBuffer->StackTop - 1;
SetFspCoreStackPointer (NewStackTop);
}
//
// Fix the FspInit Parameter Pointers to the new location.
//
FspParamPtr = GetFspApiParameter ();
if (FspParamPtr >= BootLoaderTempRamStart && FspParamPtr < BootLoaderTempRamEnd) {
SetFspApiParameter(FspParamPtr + OffsetGap);
}
FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();
if ((UINT32)(FspInitParams->RtBufferPtr) >= BootLoaderTempRamStart &&
(UINT32)(FspInitParams->RtBufferPtr) < BootLoaderTempRamEnd) {
FspInitParams->RtBufferPtr = (VOID *)((UINT32)(FspInitParams->RtBufferPtr) + OffsetGap);
}
if ((UINT32)(FspInitParams->NvsBufferPtr) >= BootLoaderTempRamStart &&
(UINT32)(FspInitParams->NvsBufferPtr) < BootLoaderTempRamEnd) {
FspInitParams->NvsBufferPtr = (VOID *)((UINT32)(FspInitParams->NvsBufferPtr) + OffsetGap);
}
if ((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) >= BootLoaderTempRamStart &&
(UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) < BootLoaderTempRamEnd) {
((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr = \
(VOID *)((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) + OffsetGap);
}
//
// Update UPD pointer in FSP Global Data
//
if (ApiMode == 0) {
UpdDataRgnPtr = (UINT32)((UINT32 *)GetFspUpdDataPointer ());
if (UpdDataRgnPtr >= BootLoaderTempRamStart && UpdDataRgnPtr < BootLoaderTempRamEnd) {
MemoryInitUpdPtr = (UINT32)((UINT32 *)GetFspMemoryInitUpdDataPointer ());
SiliconInitUpdPtr = (UINT32)((UINT32 *)GetFspSiliconInitUpdDataPointer ());
SetFspUpdDataPointer ((VOID *)(UpdDataRgnPtr + OffsetGap));
SetFspMemoryInitUpdDataPointer ((VOID *)(MemoryInitUpdPtr + OffsetGap));
SetFspSiliconInitUpdDataPointer ((VOID *)(SiliconInitUpdPtr + OffsetGap));
}
} else {
MemoryInitUpdPtr = (UINT32)((UINT32 *)GetFspMemoryInitUpdDataPointer ());
if (MemoryInitUpdPtr >= BootLoaderTempRamStart && MemoryInitUpdPtr < BootLoaderTempRamEnd) {
SetFspMemoryInitUpdDataPointer ((VOID *)(MemoryInitUpdPtr + OffsetGap));
}
}
//
// Update Platform data pointer in FSP Global Data
//
PlatformDataPtr = GetFspPlatformDataPointer ();
if (((UINT32)PlatformDataPtr >= BootLoaderTempRamStart) &&
((UINT32)PlatformDataPtr < BootLoaderTempRamEnd)) {
SetFspPlatformDataPointer ((UINT8 *)PlatformDataPtr + OffsetGap);
}
}
