sravan/system76-edk2
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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.

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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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30
MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
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@@ -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);
}
}