diff options
| -rw-r--r-- | MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c | 14 | ||||
| -rw-r--r-- | SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c | 12 |
2 files changed, 23 insertions, 3 deletions
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c index 94ec660c04..8f1ae7b130 100644 --- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c +++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c @@ -1,6 +1,6 @@ /** @file
- The common variable operation routines shared by DXE_RINTIME variable
+ The common variable operation routines shared by DXE_RUNTIME variable
module and DXE_SMM variable module.
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
@@ -2065,7 +2065,17 @@ VariableServiceSetVariable ( (sizeof (VARIABLE_HEADER) + StrSize (VariableName) + DataSize > PcdGet32 (PcdMaxVariableSize))) {
return EFI_INVALID_PARAMETER;
}
- }
+ }
+
+ if (AtRuntime ()) {
+ //
+ // HwErrRecSupport Global Variable identifies the level of hardware error record persistence
+ // support implemented by the platform. This variable is only modified by firmware and is read-only to the OS.
+ //
+ if (CompareGuid (VendorGuid, &gEfiGlobalVariableGuid) && (StrCmp (VariableName, L"HwErrRecSupport") == 0)) {
+ return EFI_WRITE_PROTECTED;
+ }
+ }
AcquireLockOnlyAtBootTime(&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c index 4c88eb6ff6..d3e0b7766e 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c @@ -1,5 +1,5 @@ /** @file
- The common variable operation routines shared by DXE_RINTIME variable
+ The common variable operation routines shared by DXE_RUNTIME variable
module and DXE_SMM variable module.
Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
@@ -2216,6 +2216,16 @@ VariableServiceSetVariable ( }
}
+ if (AtRuntime ()) {
+ //
+ // HwErrRecSupport Global Variable identifies the level of hardware error record persistence
+ // support implemented by the platform. This variable is only modified by firmware and is read-only to the OS.
+ //
+ if (CompareGuid (VendorGuid, &gEfiGlobalVariableGuid) && (StrCmp (VariableName, L"HwErrRecSupport") == 0)) {
+ return EFI_WRITE_PROTECTED;
+ }
+ }
+
AcquireLockOnlyAtBootTime(&mVariableModuleGlobal->VariableGlobal.VariableServicesLock);
//
|