mirror of https://github.com/acidanthera/audk.git
174 lines
6.1 KiB
C
174 lines
6.1 KiB
C
/** @file
|
|
|
|
Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <PiPei.h>
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/PcdLib.h>
|
|
#include <Library/HobLib.h>
|
|
#include <Library/PeiServicesLib.h>
|
|
#include <Library/FspCommonLib.h>
|
|
#include <Guid/GuidHobFsp.h>
|
|
#include <FspGlobalData.h>
|
|
#include <FspApi.h>
|
|
|
|
/**
|
|
Get system memory from HOB.
|
|
|
|
@param[in,out] LowMemoryLength less than 4G memory length
|
|
@param[in,out] HighMemoryLength greater than 4G memory length
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
FspGetSystemMemorySize (
|
|
IN OUT UINT64 *LowMemoryLength,
|
|
IN OUT UINT64 *HighMemoryLength
|
|
)
|
|
{
|
|
EFI_PEI_HOB_POINTERS Hob;
|
|
|
|
*HighMemoryLength = 0;
|
|
*LowMemoryLength = SIZE_1MB;
|
|
//
|
|
// Get the HOB list for processing
|
|
//
|
|
Hob.Raw = GetHobList ();
|
|
|
|
//
|
|
// Collect memory ranges
|
|
//
|
|
while (!END_OF_HOB_LIST (Hob)) {
|
|
if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
|
|
if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
|
|
//
|
|
// Need memory above 1MB to be collected here
|
|
//
|
|
if (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB &&
|
|
Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) BASE_4GB) {
|
|
*LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
|
|
} else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) BASE_4GB) {
|
|
*HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);
|
|
}
|
|
}
|
|
}
|
|
Hob.Raw = GET_NEXT_HOB (Hob);
|
|
}
|
|
}
|
|
|
|
/**
|
|
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);
|
|
}
|
|
}
|