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OvmfPkg: create protocol and GUID header for loaded x86 Linux kernels 

In preparation of moving the legacy x86 loading to an implementation
of the QEMU load image library class, introduce a protocol header
and GUID that we will use to identify legacy loaded x86 Linux kernels
in the protocol database.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Ard Biesheuvel 2020-03-05 11:59:57 +01:00 committed by mergify[bot]
parent 0758a8e979
commit 1dc875a7d5
2 changed files with 59 additions and 26 deletions
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32
OvmfPkg/Include/Protocol/OvmfLoadedX86LinuxKernel.h Normal file
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@ -0,0 +1,32 @@
/** @file
Protocol/GUID definition to describe a x86 Linux kernel image loaded
into memory.
Note that this protocol is considered internal ABI, and may be change
structure at any time without regard for backward compatibility.
Copyright (c) 2020, Arm, Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef OVMF_LOADED_X86_LINUX_KERNEL_H__
#define OVMF_LOADED_X86_LINUX_KERNEL_H__
#define OVMF_LOADED_X86_LINUX_KERNEL_PROTOCOL_GUID \
{0xa3edc05d, 0xb618, 0x4ff6, {0x95, 0x52, 0x76, 0xd7, 0x88, 0x63, 0x43, 0xc8}}
typedef struct {
VOID *SetupBuf;
VOID *KernelBuf;
CHAR8 *CommandLine;
VOID *InitrdData;
UINTN SetupSize;
UINTN KernelInitialSize;
UINTN InitrdSize;
UINTN CommandLineSize;
} OVMF_LOADED_X86_LINUX_KERNEL;
extern EFI_GUID gOvmfLoadedX86LinuxKernelProtocolGuid;
#endif

1
OvmfPkg/OvmfPkg.dec
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@ -112,6 +112,7 @@
gEfiLegacyBiosPlatformProtocolGuid = {0x783658a3, 0x4172, 0x4421, {0xa2, 0x99, 0xe0, 0x09, 0x07, 0x9c, 0x0c, 0xb4}}
gEfiLegacyInterruptProtocolGuid = {0x31ce593d, 0x108a, 0x485d, {0xad, 0xb2, 0x78, 0xf2, 0x1f, 0x29, 0x66, 0xbe}}
gEfiVgaMiniPortProtocolGuid = {0xc7735a2f, 0x88f5, 0x4882, {0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3}}
gOvmfLoadedX86LinuxKernelProtocolGuid = {0xa3edc05d, 0xb618, 0x4ff6, {0x95, 0x52, 0x76, 0xd7, 0x88, 0x63, 0x43, 0xc8}}
[PcdsFixedAtBuild]
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvBase|0x0|UINT32|0