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OvmfPkg: remove gEfiLegacyBiosGuid 

At this point, gEfiLegacyBiosGuid is unused; remove it.

This shrinks the list of resources scheduled for removal to:

- GUIDs (protocols or otherwise):
  - gEfiLegacy8259ProtocolGuid
  - gEfiLegacyBiosPlatformProtocolGuid
  - gEfiLegacyBiosProtocolGuid
  - gEfiLegacyInterruptProtocolGuid

- headers:
  - FrameworkDxe.h
  - Protocol/Legacy8259.h
  - Protocol/LegacyBios.h
  - Protocol/LegacyBiosPlatform.h
  - Protocol/LegacyInterrupt.h

- PCDs:
  - PcdEbdaReservedMemorySize
  - PcdEndOpromShadowAddress
  - PcdHighPmmMemorySize
  - PcdLegacyBiosCacheLegacyRegion
  - PcdLowPmmMemorySize
  - PcdOpromReservedMemoryBase
  - PcdOpromReservedMemorySize

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=4588
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20231110235820.644381-20-lersek@redhat.com>
Reviewed-by: Jiewen Yao <Jiewen.yao@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Corvin Köhne <corvink@FreeBSD.org>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Laszlo Ersek 2023-11-11 00:58:02 +01:00 committed by mergify[bot]
parent 5161ba8ea0
commit 9d4becddba
2 changed files with 0 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
OvmfPkg/Csm/Include/Guid/LegacyBios.h
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@ -1,29 +0,0 @@
/** @file
Defines a Tag GUID used to mark a UEFI legacy BIOS thunk driver based
on legacy BIOS services and legacy option ROM. This Tag GUID must be installed on
the ImageHandle of any module that follows the EFI Driver Model and uses
the Int86() or FarCall() services of the Legacy Bios Protocol to produce
a standard UEFI I/O Protocol.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _LEGACY_BIOS_H_
#define _LEGACY_BIOS_H_
///
/// The Global ID for the Legacy BIOS GUID that must be installed onto the ImageHandle
/// of any module follows the EFI Driver Model and uses the Int86() or FarCall()
/// services of the Legacy BIOS Protocol to produce a standard UEFI I/O Protocol.
///
#define EFI_LEGACY_BIOS_GUID \
{ \
0x2e3044ac, 0x879f, 0x490f, {0x97, 0x60, 0xbb, 0xdf, 0xaf, 0x69, 0x5f, 0x50 } \
}
extern EFI_GUID gEfiLegacyBiosGuid;
#endif

1
OvmfPkg/OvmfPkg.dec
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@ -155,7 +155,6 @@
gXenBusRootDeviceGuid = {0xa732241f, 0x383d, 0x4d9c, {0x8a, 0xe1, 0x8e, 0x09, 0x83, 0x75, 0x89, 0xd7}}
gRootBridgesConnectedEventGroupGuid = {0x24a2d66f, 0xeedd, 0x4086, {0x90, 0x42, 0xf2, 0x6e, 0x47, 0x97, 0xee, 0x69}}
gMicrosoftVendorGuid = {0x77fa9abd, 0x0359, 0x4d32, {0xbd, 0x60, 0x28, 0xf4, 0xe7, 0x8f, 0x78, 0x4b}}
gEfiLegacyBiosGuid = {0x2E3044AC, 0x879F, 0x490F, {0x97, 0x60, 0xBB, 0xDF, 0xAF, 0x69, 0x5F, 0x50}}
gQemuKernelLoaderFsMediaGuid = {0x1428f772, 0xb64a, 0x441e, {0xb8, 0xc3, 0x9e, 0xbd, 0xd7, 0xf8, 0x93, 0xc7}}
gGrubFileGuid = {0xb5ae312c, 0xbc8a, 0x43b1, {0x9c, 0x62, 0xeb, 0xb8, 0x26, 0xdd, 0x5d, 0x07}}
gConfidentialComputingSecretGuid = {0xadf956ad, 0xe98c, 0x484c, {0xae, 0x11, 0xb5, 0x1c, 0x7d, 0x33, 0x64, 0x47}}