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-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
index 0858d8f4d7..db36a0ad3c 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
@@ -97,6 +97,11 @@ UINTN mNumberOfCpus = 1;
BOOLEAN mSmmReadyToLock = FALSE;
//
+// S3 boot flag
+//
+BOOLEAN mSmmS3Flag = FALSE;
+
+//
// Global used to cache PCD for SMM Code Access Check enable
//
BOOLEAN mSmmCodeAccessCheckEnable = FALSE;
@@ -485,6 +490,8 @@ SmmRestoreCpu (
DEBUG ((EFI_D_INFO, "SmmRestoreCpu()\n"));
+ mSmmS3Flag = TRUE;
+
InitializeSpinLock (mMemoryMappedLock);
//