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authorJiaxin Wu <jiaxin.wu@intel.com>2024-06-26 12:43:51 +0800
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2024-08-28 15:25:27 +0000
commit1f22b96b11cec64c11ef2681566c7fd50ee9c0cf (patch)
tree1d8f3bfc335b65e8523cb3fe8d37e31ea8767464 /UefiCpuPkg
parent502a9122a427f3f54def77c046c23214ba3c34b6 (diff)
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UefiCpuPkg/PiSmmCpuDxeSmm: Impl GetAcpiS3EnableFlag for MM
MM CPU can not use the dynamic PCD (PcdAcpiS3Enable), so, it consumes the gMmAcpiS3EnableHobGuid to get ACPI S3 enable flag. Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Star Zeng <star.zeng@intel.com> Cc: Dun Tan <dun.tan@intel.com> Cc: Hongbin1 Zhang <hongbin1.zhang@intel.com> Cc: Wei6 Xu <wei6.xu@intel.com> Cc: Yuanhao Xie <yuanhao.xie@intel.com>
Diffstat (limited to 'UefiCpuPkg')
-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuCommon.h1
-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c28
2 files changed, 29 insertions, 0 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuCommon.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuCommon.h
index 7f11429..1769af2 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuCommon.h
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuCommon.h
@@ -29,6 +29,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
#include <Guid/SmmBaseHob.h>
#include <Guid/MpInformation2.h>
#include <Guid/MmProfileData.h>
+#include <Guid/MmAcpiS3Enable.h>
#include <Library/BaseLib.h>
#include <Library/IoLib.h>
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c
index 3471d40..35657a3 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuStandaloneMm.c
@@ -8,3 +8,31 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "PiSmmCpuCommon.h"
+
+/**
+ Get ACPI S3 enable flag.
+
+**/
+VOID
+GetAcpiS3EnableFlag (
+ VOID
+ )
+{
+ EFI_HOB_GUID_TYPE *GuidHob;
+ MM_ACPI_S3_ENABLE *MmAcpiS3EnableHob;
+
+ MmAcpiS3EnableHob = NULL;
+
+ //
+ // Get MM_ACPI_S3_ENABLE for Standalone MM init.
+ //
+ GuidHob = GetFirstGuidHob (&gMmAcpiS3EnableHobGuid);
+ ASSERT (GuidHob != NULL);
+ if (GuidHob != NULL) {
+ MmAcpiS3EnableHob = GET_GUID_HOB_DATA (GuidHob);
+ }
+
+ if (MmAcpiS3EnableHob != NULL) {
+ mAcpiS3Enable = MmAcpiS3EnableHob->AcpiS3Enable;
+ }
+}