mirror of https://github.com/acidanthera/audk.git
87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/** @file
|
|
Command structures for the QEMU FwCfg table loader interface.
|
|
|
|
Copyright (C) 2014, Red Hat, Inc.
|
|
|
|
This program and the accompanying materials are licensed and made available
|
|
under the terms and conditions of the BSD License which accompanies this
|
|
distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
|
|
WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef __QEMU_LOADER_H__
|
|
#define __QEMU_LOADER_H__
|
|
|
|
#include <Include/Base.h>
|
|
#include <Library/QemuFwCfgLib.h>
|
|
|
|
//
|
|
// The types and the documentation reflects the SeaBIOS interface.
|
|
//
|
|
#define QEMU_LOADER_FNAME_SIZE QEMU_FW_CFG_FNAME_SIZE
|
|
|
|
typedef enum {
|
|
QemuLoaderCmdAllocate = 1,
|
|
QemuLoaderCmdAddPointer,
|
|
QemuLoaderCmdAddChecksum
|
|
} QEMU_LOADER_COMMAND_TYPE;
|
|
|
|
typedef enum {
|
|
QemuLoaderAllocHigh = 1,
|
|
QemuLoaderAllocFSeg
|
|
} QEMU_LOADER_ALLOC_ZONE;
|
|
|
|
#pragma pack (1)
|
|
//
|
|
// QemuLoaderCmdAllocate: download the fw_cfg file named File, to a buffer
|
|
// allocated in the zone specified by Zone, aligned at a multiple of Alignment.
|
|
//
|
|
typedef struct {
|
|
UINT8 File[QEMU_LOADER_FNAME_SIZE]; // NUL-terminated
|
|
UINT32 Alignment; // power of two
|
|
UINT8 Zone; // QEMU_LOADER_ALLOC_ZONE values
|
|
} QEMU_LOADER_ALLOCATE;
|
|
|
|
//
|
|
// QemuLoaderCmdAddPointer: the bytes at
|
|
// [PointerOffset..PointerOffset+PointerSize) in the file PointerFile contain a
|
|
// relative pointer (an offset) into PointeeFile. Increment the relative
|
|
// pointer's value by the base address of where PointeeFile's contents have
|
|
// been placed (when QemuLoaderCmdAllocate has been executed for PointeeFile).
|
|
//
|
|
typedef struct {
|
|
UINT8 PointerFile[QEMU_LOADER_FNAME_SIZE]; // NUL-terminated
|
|
UINT8 PointeeFile[QEMU_LOADER_FNAME_SIZE]; // NUL-terminated
|
|
UINT32 PointerOffset;
|
|
UINT8 PointerSize; // one of 1, 2, 4, 8
|
|
} QEMU_LOADER_ADD_POINTER;
|
|
|
|
//
|
|
// QemuLoaderCmdAddChecksum: calculate the UINT8 checksum (as per
|
|
// CalculateChecksum8()) of the range [Start..Start+Length) in File. Store the
|
|
// UINT8 result at ResultOffset in the same File.
|
|
//
|
|
typedef struct {
|
|
UINT8 File[QEMU_LOADER_FNAME_SIZE]; // NUL-terminated
|
|
UINT32 ResultOffset;
|
|
UINT32 Start;
|
|
UINT32 Length;
|
|
} QEMU_LOADER_ADD_CHECKSUM;
|
|
|
|
typedef struct {
|
|
UINT32 Type; // QEMU_LOADER_COMMAND_TYPE values
|
|
union {
|
|
QEMU_LOADER_ALLOCATE Allocate;
|
|
QEMU_LOADER_ADD_POINTER AddPointer;
|
|
QEMU_LOADER_ADD_CHECKSUM AddChecksum;
|
|
UINT8 Padding[124];
|
|
} Command;
|
|
} QEMU_LOADER_ENTRY;
|
|
#pragma pack ()
|
|
|
|
#endif
|