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authorli-elvin <li-elvin@6f19259b-4bc3-4df7-8a09-765794883524>2013-03-15 01:34:21 +0000
committerli-elvin <li-elvin@6f19259b-4bc3-4df7-8a09-765794883524>2013-03-15 01:34:21 +0000
commit0934a6058115f8d4da946656605831cd5131ed4a (patch)
tree47d22e4c574040ab7a9c1c57c646110767df2074 /IntelFrameworkModulePkg
parenta71865b162e5672adede9fb29c3afbb76bf4b1ba (diff)
downloadedk2-platforms-0934a6058115f8d4da946656605831cd5131ed4a.tar.xz
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
Diffstat (limited to 'IntelFrameworkModulePkg')
-rw-r--r--IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h18
-rw-r--r--IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyPci.c16
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
//