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PI spec will be updated to make it clear that this HOB should describe the stack range before going to DXE. 

Therefore, we should update stack Hob in DxeLoad to reflect real stack

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4290 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2007-11-08 03:57:04 +00:00
parent f942f10760
commit 30c8f8616d
5 changed files with 56 additions and 0 deletions
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7
MdeModulePkg/Core/DxeIplPeim/DxeIpl.h
View File

@ -33,6 +33,7 @@ Abstract:
#include <Ppi/Decompress.h>
#include <Ppi/FirmwareVolumeInfo.h>
#include <Guid/MemoryAllocationHob.h>
#include <Guid/FirmwareFileSystem2.h>
#include <Library/DebugLib.h>
@ -105,6 +106,12 @@ HandOffToDxeCore (
IN EFI_PEI_PPI_DESCRIPTOR *EndOfPeiSignal
);
VOID
UpdateStackHob (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
);
EFI_STATUS
EFIAPI
PeimInitializeDxeIpl (

30
MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
View File

@ -751,3 +751,33 @@ Decompress (
return EFI_SUCCESS;
}
VOID
UpdateStackHob (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length
)
{
EFI_PEI_HOB_POINTERS Hob;
Hob.Raw = GetHobList ();
while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, Hob.Raw)) != NULL) {
if (CompareGuid (&gEfiHobMemoryAllocStackGuid, &(Hob.MemoryAllocationStack->AllocDescriptor.Name))) {
//
// Build a new memory allocation HOB with old stack info with EfiConventionalMemory type
// to be reclaimed by DXE core.
//
BuildMemoryAllocationHob (
Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress,
Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength,
EfiConventionalMemory
);
//
// Update the BSP Stack Hob to reflect the new stack info.
//
Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress = BaseAddress;
Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength = Length;
break;
}
Hob.Raw = GET_NEXT_HOB (Hob);
}
}

9
MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c
View File

@ -106,6 +106,10 @@ HandOffToDxeCore (
AsmWriteCr3 (PageTables);
//
// Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.
//
UpdateStackHob (BaseOfStack, STACK_SIZE);
if (FeaturePcdGet (PcdDxeIplEnableIdt)) {
SizeOfTemplate = AsmGetVectorTemplatInfo (&TemplateBase);
@ -163,6 +167,11 @@ HandOffToDxeCore (
Status = PeiServicesInstallPpi (EndOfPeiSignal);
ASSERT_EFI_ERROR (Status);
//
// Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.
//
UpdateStackHob (BaseOfStack, STACK_SIZE);
SwitchStack (
(SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint,
HobList.Raw,

5
MdeModulePkg/Core/DxeIplPeim/Ipf/DxeLoadFunc.c
View File

@ -62,6 +62,11 @@ HandOffToDxeCore (
Status = PeiServicesInstallPpi (EndOfPeiSignal);
ASSERT_EFI_ERROR (Status);
//
// Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.
//
UpdateStackHob ((EFI_PHYSICAL_ADDRESS)(UINTN) BaseOfStack, STACK_SIZE);
SwitchStack (
(SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint,
HobList.Raw,

5
MdeModulePkg/Core/DxeIplPeim/X64/DxeLoadFunc.c
View File

@ -51,6 +51,11 @@ HandOffToDxeCore (
Status = PeiServicesInstallPpi (EndOfPeiSignal);
ASSERT_EFI_ERROR (Status);
//
// Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.
//
UpdateStackHob (BaseOfStack, STACK_SIZE);
SwitchStack (
(SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint,
HobList.Raw,