diff options
Diffstat (limited to 'OvmfPkg/PlatformPei')
| -rw-r--r-- | OvmfPkg/PlatformPei/MemDetect.c | 18 | ||||
| -rw-r--r-- | OvmfPkg/PlatformPei/Platform.c | 1 | ||||
| -rw-r--r-- | OvmfPkg/PlatformPei/Platform.h | 7 | ||||
| -rw-r--r-- | OvmfPkg/PlatformPei/PlatformPei.inf | 1 |
4 files changed, 27 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
)
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c index 510d6d7477..473af10278 100644 --- a/OvmfPkg/PlatformPei/Platform.c +++ b/OvmfPkg/PlatformPei/Platform.c @@ -792,6 +792,7 @@ InitializePlatform ( if (FeaturePcdGet (PcdSmmSmramRequire)) {
Q35BoardVerification ();
Q35TsegMbytesInitialization ();
+ Q35SmramAtDefaultSmbaseInitialization ();
}
PublishPeiMemory ();
diff --git a/OvmfPkg/PlatformPei/Platform.h b/OvmfPkg/PlatformPei/Platform.h index 2f3cebcd3a..43f20f067f 100644 --- a/OvmfPkg/PlatformPei/Platform.h +++ b/OvmfPkg/PlatformPei/Platform.h @@ -52,6 +52,11 @@ Q35TsegMbytesInitialization ( VOID
);
+VOID
+Q35SmramAtDefaultSmbaseInitialization (
+ VOID
+ );
+
EFI_STATUS
PublishPeiMemory (
VOID
@@ -119,6 +124,8 @@ extern UINT32 mMaxCpuCount; extern UINT16 mHostBridgeDevId;
+extern BOOLEAN mQ35SmramAtDefaultSmbase;
+
extern UINT32 mQemuUc32Base;
#endif // _PLATFORM_PEI_H_INCLUDED_
diff --git a/OvmfPkg/PlatformPei/PlatformPei.inf b/OvmfPkg/PlatformPei/PlatformPei.inf index 30eaebdfae..25229618ed 100644 --- a/OvmfPkg/PlatformPei/PlatformPei.inf +++ b/OvmfPkg/PlatformPei/PlatformPei.inf @@ -84,6 +84,7 @@ gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDecompressionScratchEnd
gUefiOvmfPkgTokenSpaceGuid.PcdQ35TsegMbytes
+ gUefiOvmfPkgTokenSpaceGuid.PcdQ35SmramAtDefaultSmbase
gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress
gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize
|