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Signed-off-by: niruiyu
Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12552 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu
2011-10-19 05:44:28 +00:00
parent bb9f4ead2a
commit 8598a1ed33
29 changed files with 72 additions and 80 deletions
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12
EdkCompatibilityPkg/Compatibility/AcpiVariableHobOnSmramReserveHobThunk/AcpiVariableHobOnSmramReserveHobThunk.c
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@@ -51,7 +51,7 @@ GetSrmamHobData (
/**
This routine will split SmramReserve hob to reserve 1 page for SMRAM content in S3 phase
for R9 SMM core.
for PI SMM core.
@retval EFI_SUCCESS The gEfiSmmPeiSmramMemoryReserveGuid is splited successfully.
@retval EFI_NOT_FOUND The gEfiSmmPeiSmramMemoryReserveGuid is not found.
@@ -108,7 +108,7 @@ SplitSmramReserveHob (
ASSERT (SmramRanges >= 1);
//
// Copy last entry to the end - we assume TSEG is last entry, which is same assumption as R8 CPU/SMM driver
// Copy last entry to the end - we assume TSEG is last entry, which is same assumption as Framework CPU/SMM driver
//
CopyMem (&NewDescriptorBlock->Descriptor[SmramRanges], &NewDescriptorBlock->Descriptor[SmramRanges - 1], sizeof(EFI_SMRAM_DESCRIPTOR));
@@ -126,7 +126,7 @@ SplitSmramReserveHob (
NewDescriptorBlock->Descriptor[SmramRanges].PhysicalSize -= EFI_PAGE_SIZE;
//
// Now, we have created SmramReserve Hob for SmmAccess drive. But the issue is that, R8 SmmAccess will assume there is 2 SmramReserve region only.
// Now, we have created SmramReserve Hob for SmmAccess drive. But the issue is that, Framework SmmAccess will assume there is 2 SmramReserve region only.
// Reporting 3 SmramReserve region will cause buffer overflow. Moreover, we would like to filter AB-SEG or H-SEG to avoid SMM cache-poisoning issue.
// So we uses scan SmmReserve Hob to remove AB-SEG or H-SEG.
//
@@ -170,7 +170,7 @@ SplitSmramReserveHob (
/**
This routine will create AcpiVariable hob to point the reserved smram in S3 phase
for R9 SMM core.
for PI SMM core.
@retval EFI_SUCCESS The gEfiAcpiVariableGuid is created successfully.
@retval EFI_NOT_FOUND The gEfiSmmPeiSmramMemoryReserveGuid is not found.
@@ -233,7 +233,7 @@ AcpiVariableHobEntry (
EFI_STATUS Status;
//
// Split SmramReserve hob, which is required for R9 SMM Core for S3.
// Split SmramReserve hob, which is required for PI SMM Core for S3.
//
Status = SplitSmramReserveHob ();
if (EFI_ERROR (Status)) {
@@ -241,7 +241,7 @@ AcpiVariableHobEntry (
}
//
// Create AcpiVariable hob, which is required for R9 SMM Core for S3.
// Create AcpiVariable hob, which is required for PI SMM Core for S3.
//
Status = CreateAcpiVariableHob ();