diff options
Diffstat (limited to 'IntelFrameworkModulePkg')
3 files changed, 18 insertions, 2 deletions
diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c index c90231af07..0381098c8a 100644 --- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c +++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBios.c @@ -695,6 +695,7 @@ LegacyBiosInstall ( UINT32 MemorySize;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;
UINT64 Length;
+ UINT8 *SecureBoot;
//
// Load this driver's image to memory
@@ -704,6 +705,20 @@ LegacyBiosInstall ( return Status;
}
+ //
+ // When UEFI Secure Boot is enabled, CSM module will not start any more.
+ //
+ SecureBoot = NULL;
+ GetEfiGlobalVariable2 (EFI_SECURE_BOOT_MODE_NAME, (VOID**)&SecureBoot, NULL);
+ if ((SecureBoot != NULL) && (*SecureBoot == SECURE_BOOT_MODE_ENABLE)) {
+ FreePool (SecureBoot);
+ return EFI_SECURITY_VIOLATION;
+ }
+
+ if (SecureBoot != NULL) {
+ FreePool (SecureBoot);
+ }
+
Private = &mPrivateData;
ZeroMem (Private, sizeof (LEGACY_BIOS_INSTANCE));
diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf index 4b6635e6bf..ea8cb6bd08 100644 --- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf +++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf @@ -3,7 +3,7 @@ #
# This driver installs Legacy Bios Protocol to support CSM module work in EFI system.
#
-# Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions
@@ -142,5 +142,5 @@ gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdHighPmmMemorySize
[Depex]
- gEfiLegacyRegion2ProtocolGuid AND gEfiLegacyInterruptProtocolGuid AND gEfiLegacyBiosPlatformProtocolGuid AND gEfiLegacy8259ProtocolGuid AND gEfiGenericMemTestProtocolGuid AND gEfiCpuArchProtocolGuid AND gEfiTimerArchProtocolGuid
+ gEfiLegacyRegion2ProtocolGuid AND gEfiLegacyInterruptProtocolGuid AND gEfiLegacyBiosPlatformProtocolGuid AND gEfiLegacy8259ProtocolGuid AND gEfiGenericMemTestProtocolGuid AND gEfiCpuArchProtocolGuid AND gEfiTimerArchProtocolGuid AND gEfiVariableWriteArchProtocolGuid
diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h index a42e847250..f2e4bbfffd 100644 --- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h +++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h @@ -24,6 +24,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include <Guid/DxeServices.h>
#include <Guid/LegacyBios.h>
#include <Guid/StatusCodeDataTypeId.h>
+#include <Guid/ImageAuthentication.h>
#include <Protocol/BlockIo.h>
#include <Protocol/LoadedImage.h>
|