1 files changed, 18 insertions, 0 deletions
diff --git a/OvmfPkg/PlatformPei/MemDetect.c b/OvmfPkg/PlatformPei/MemDetect.c
index 58b171fba1..2bc1c46dff 100644
--- a/OvmfPkg/PlatformPei/MemDetect.c
+++ b/OvmfPkg/PlatformPei/MemDetect.c
@@ -43,6 +43,8 @@ STATIC UINT32 mS3AcpiReservedMemorySize;
 
 STATIC UINT16 mQ35TsegMbytes;
 
+BOOLEAN mQ35SmramAtDefaultSmbase;
+
 UINT32 mQemuUc32Base;
 
 VOID
@@ -91,6 +93,22 @@ Q35TsegMbytesInitialization (
 
 
 VOID
+Q35SmramAtDefaultSmbaseInitialization (
+  VOID
+  )
+{
+  RETURN_STATUS PcdStatus;
+
+  ASSERT (mHostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID);
+
+  mQ35SmramAtDefaultSmbase = FALSE;
+  PcdStatus = PcdSetBoolS (PcdQ35SmramAtDefaultSmbase,
+                mQ35SmramAtDefaultSmbase);
+  ASSERT_RETURN_ERROR (PcdStatus);
+}
+
+
+VOID
 QemuUc32BaseInitialization (
   VOID
   )