diff options
| -rw-r--r-- | IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h | 18 | ||||
| -rw-r--r-- | IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c | 16 |
2 files changed, 32 insertions, 2 deletions
diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h index a63a7257de..d60851a42c 100644 --- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h +++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h @@ -1,6 +1,6 @@ /** @file
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
@@ -1520,4 +1520,20 @@ InternalLegacyBiosFarCall ( IN UINTN StackSize
);
+/**
+ Load a legacy PC-AT OpROM for VGA controller.
+
+ @param Private Driver private data.
+
+ @retval EFI_SUCCESS Legacy ROM successfully installed for this device.
+ @retval EFI_DEVICE_ERROR No VGA device handle found, or native EFI video
+ driver cannot be successfully disconnected, or VGA
+ thunk driver cannot be successfully connected.
+
+**/
+EFI_STATUS
+LegacyBiosInstallVgaRom (
+ IN LEGACY_BIOS_INSTANCE *Private
+ );
+
#endif
diff --git a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c index 910ed41b37..5b1117eb1b 100644 --- a/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c +++ b/IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c @@ -1,6 +1,6 @@ /** @file
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
@@ -1715,6 +1715,20 @@ PciShadowRoms ( if (!EFI_ERROR (Status)) {
continue;
}
+
+ //
+ // If legacy VBIOS Oprom has not been dispatched before, install legacy VBIOS here.
+ //
+ if (IS_PCI_DISPLAY (&Pci) && Index == 0) {
+ Status = LegacyBiosInstallVgaRom (Private);
+ //
+ // A return status of EFI_NOT_FOUND is considered valid (No EFI
+ // driver is controlling video).
+ //
+ ASSERT ((Status == EFI_SUCCESS) || (Status == EFI_NOT_FOUND));
+ continue;
+ }
+
//
// Install legacy ROM
//
|