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OvmfPkg/TdxDxe: Set PcdEmuVariableNvStoreReserved 

Set PcdEmuVariableNvStoreReserved with the value in PlatformInfoHob. It
is the address of the EmuVariableNvStore reserved in Pei-less startup.

Cc: Erdem Aktas <erdemaktas@google.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Min M Xu 2022-06-22 09:11:03 +08:00 committed by mergify[bot]
parent 70165fa6e2
commit 3abaa281d3
2 changed files with 3 additions and 0 deletions
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2
OvmfPkg/TdxDxe/TdxDxe.c
View File

@ -64,6 +64,8 @@ SetPcdSettings (
PlatformInfoHob->PcdCpuBootLogicalProcessorNumber PlatformInfoHob->PcdCpuBootLogicalProcessorNumber
)); ));
PcdSet64S (PcdEmuVariableNvStoreReserved, PlatformInfoHob->PcdEmuVariableNvStoreReserved);
if (TdIsEnabled ()) { if (TdIsEnabled ()) {
PcdStatus = PcdSet64S (PcdTdxSharedBitMask, TdSharedPageMask ()); PcdStatus = PcdSet64S (PcdTdxSharedBitMask, TdSharedPageMask ());
ASSERT_RETURN_ERROR (PcdStatus); ASSERT_RETURN_ERROR (PcdStatus);

1
OvmfPkg/TdxDxe/TdxDxe.inf
View File

@ -68,3 +68,4 @@
gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr gEfiMdePkgTokenSpaceGuid.PcdConfidentialComputingGuestAttr
gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask gEfiMdeModulePkgTokenSpaceGuid.PcdTdxSharedBitMask
gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack
gEfiMdeModulePkgTokenSpaceGuid.PcdEmuVariableNvStoreReserved