diff options
Diffstat (limited to 'OvmfPkg/SmmAccess/SmramInternal.c')
| -rw-r--r-- | OvmfPkg/SmmAccess/SmramInternal.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/OvmfPkg/SmmAccess/SmramInternal.c b/OvmfPkg/SmmAccess/SmramInternal.c index c3267ca..9918a45 100644 --- a/OvmfPkg/SmmAccess/SmramInternal.c +++ b/OvmfPkg/SmmAccess/SmramInternal.c @@ -17,10 +17,27 @@ #include <Guid/AcpiS3Context.h>
#include <IndustryStandard/Q35MchIch9.h>
#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
#include <Library/PciLib.h>
#include "SmramInternal.h"
+//
+// The value of PcdQ35TsegMbytes is saved into this variable at module startup.
+//
+UINT16 mQ35TsegMbytes;
+
+/**
+ Save PcdQ35TsegMbytes into mQ35TsegMbytes.
+**/
+VOID
+InitQ35TsegMbytes (
+ VOID
+ )
+{
+ mQ35TsegMbytes = PcdGet16 (PcdQ35TsegMbytes);
+}
+
/**
Read the MCH_SMRAM and ESMRAMC registers, and update the LockState and
OpenState fields in the PEI_SMM_ACCESS_PPI / EFI_SMM_ACCESS2_PROTOCOL object,
|