tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Call LegacyBiosInstallVgaRom to shadow Legacy VBIOS instead of LegacyBiosInstallPciRom during legacy boot. 

Signed-off-by: Li Elvin <elvin.li@intel.com>
Reviewed-by: Ni Ruiyu <ruiyu.ni@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14205 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
li-elvin 2013-03-15 01:34:21 +00:00
parent a71865b162
commit 0934a60581
2 changed files with 32 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h
View File

@ -1,6 +1,6 @@
/** @file /** @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 This program and the accompanying materials
are licensed and made available under the terms and conditions are licensed and made available under the terms and conditions
@ -1520,4 +1520,20 @@ InternalLegacyBiosFarCall (
IN UINTN StackSize 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 #endif

16
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c
View File

@ -1,6 +1,6 @@
/** @file /** @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 This program and the accompanying materials
are licensed and made available under the terms and conditions are licensed and made available under the terms and conditions
@ -1715,6 +1715,20 @@ PciShadowRoms (
if (!EFI_ERROR (Status)) { if (!EFI_ERROR (Status)) {
continue; 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 // Install legacy ROM
// //