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

@ -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

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

@ -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
//