tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

OvmfPkg/Sec: Install MpInitLibDepLib PPIs in SecMain.c 

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3918

Td guest should use MpInitLibUp, other guest use the MpInitLib. So
in SecMain.c different PPI is installed according to the working
guest type.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
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>
Signed-off-by: Min Xu <min.m.xu@intel.com>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
This commit is contained in:
Min M Xu 2022-05-07 09:36:21 +08:00 committed by mergify[bot]
parent 2f06e5af47
commit b63a49e056
2 changed files with 35 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
OvmfPkg/Sec/SecMain.c
View File

@ -28,6 +28,7 @@
#include <Library/LocalApicLib.h>
#include <Library/CpuExceptionHandlerLib.h>
#include <Ppi/TemporaryRamSupport.h>
#include <Ppi/MpInitLibDep.h>
#include <Library/PlatformInitLib.h>
#include <Library/CcProbeLib.h>
#include "AmdSev.h"
@ -61,12 +62,30 @@ EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI mTemporaryRamSupportPpi = {
TemporaryRamMigration
};
EFI_PEI_PPI_DESCRIPTOR mPrivateDispatchTable[] = {
EFI_PEI_PPI_DESCRIPTOR mPrivateDispatchTableMp[] = {
{
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
(EFI_PEI_PPI_DESCRIPTOR_PPI),
&gEfiTemporaryRamSupportPpiGuid,
&mTemporaryRamSupportPpi
},
{
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiMpInitLibMpDepPpiGuid,
NULL
},
};
EFI_PEI_PPI_DESCRIPTOR mPrivateDispatchTableUp[] = {
{
(EFI_PEI_PPI_DESCRIPTOR_PPI),
&gEfiTemporaryRamSupportPpiGuid,
&mTemporaryRamSupportPpi
},
{
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiMpInitLibUpDepPpiGuid,
NULL
},
};
//
@ -936,6 +955,7 @@ SecStartupPhase2 (
EFI_SEC_PEI_HAND_OFF *SecCoreData;
EFI_FIRMWARE_VOLUME_HEADER *BootFv;
EFI_PEI_CORE_ENTRY_POINT PeiCoreEntryPoint;
EFI_PEI_PPI_DESCRIPTOR *EfiPeiPpiDescriptor;
SecCoreData = (EFI_SEC_PEI_HAND_OFF *)Context;
@ -948,10 +968,20 @@ SecStartupPhase2 (
SecCoreData->BootFirmwareVolumeBase = BootFv;
SecCoreData->BootFirmwareVolumeSize = (UINTN)BootFv->FvLength;
//
// Td guest is required to use the MpInitLibUp (unique-processor version).
// Other guests use the MpInitLib (multi-processor version).
//
if (CcProbe () == CcGuestTypeIntelTdx) {
EfiPeiPpiDescriptor = (EFI_PEI_PPI_DESCRIPTOR *)&mPrivateDispatchTableUp;
} else {
EfiPeiPpiDescriptor = (EFI_PEI_PPI_DESCRIPTOR *)&mPrivateDispatchTableMp;
}
//
// Transfer the control to the PEI core
//
(*PeiCoreEntryPoint)(SecCoreData, (EFI_PEI_PPI_DESCRIPTOR *)&mPrivateDispatchTable);
(*PeiCoreEntryPoint)(SecCoreData, EfiPeiPpiDescriptor);
//
// If we get here then the PEI Core returned, which is not recoverable.

2
OvmfPkg/Sec/SecMain.inf
View File

@ -59,6 +59,8 @@
[Ppis]
gEfiTemporaryRamSupportPpiGuid # PPI ALWAYS_PRODUCED
gEfiPeiMpInitLibMpDepPpiGuid
gEfiPeiMpInitLibUpDepPpiGuid
[Pcd]
gUefiCpuPkgTokenSpaceGuid.PcdSevEsWorkAreaBase