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Complement fix for revision #10998 (Remove PI SMM IPL's dependency on CPU AP). 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11001 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3 2010-11-04 05:27:23 +00:00
parent 5469967137
commit 0a6c090521
1 changed files with 12 additions and 8 deletions
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20
MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c
View File

@ -567,6 +567,7 @@ SmmIplSmmConfigurationEventNotify (
//
// Attempt to reset SMRAM cacheability to UC
// Assume CPU AP is available at this time
//
Status = gDS->SetMemorySpaceAttributes(
mSmramCacheBase,
@ -1069,6 +1070,7 @@ SmmIplEntry (
// Note that it is expected that cacheability of SMRAM has been set to WB if CPU AP
// is not available here.
//
CpuArch = NULL;
Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **)&CpuArch);
if (!EFI_ERROR (Status)) {
Status = gDS->SetMemorySpaceAttributes(
@ -1121,14 +1123,16 @@ SmmIplEntry (
//
// Attempt to reset SMRAM cacheability to UC
//
Status = gDS->SetMemorySpaceAttributes(
mSmramCacheBase,
mSmramCacheSize,
EFI_MEMORY_UC
);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_WARN, "SMM IPL failed to reset SMRAM window to EFI_MEMORY_UC\n"));
}
if (CpuArch != NULL) {
Status = gDS->SetMemorySpaceAttributes(
mSmramCacheBase,
mSmramCacheSize,
EFI_MEMORY_UC
);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_WARN, "SMM IPL failed to reset SMRAM window to EFI_MEMORY_UC\n"));
}
}
}
} else {
//