mirror of https://github.com/acidanthera/audk.git
157 lines
4.4 KiB
C
157 lines
4.4 KiB
C
/** @file
|
|
*
|
|
* Copyright (c) 2011-2013, ARM Limited. All rights reserved.
|
|
*
|
|
* 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 __BDSLINUXLOADER_H
|
|
#define __BDSLINUXLOADER_H
|
|
|
|
#define LINUX_UIMAGE_SIGNATURE 0x56190527
|
|
#define LINUX_KERNEL_MAX_OFFSET (PcdGet64 (PcdSystemMemoryBase) + PcdGet32(PcdArmLinuxKernelMaxOffset))
|
|
#define LINUX_ATAG_MAX_OFFSET (PcdGet64 (PcdSystemMemoryBase) + PcdGet32(PcdArmLinuxAtagMaxOffset))
|
|
#define LINUX_FDT_MAX_OFFSET (PcdGet64 (PcdSystemMemoryBase) + PcdGet32(PcdArmLinuxFdtMaxOffset))
|
|
|
|
// Additional size that could be used for FDT entries added by the UEFI OS Loader
|
|
// Estimation based on: EDID (300bytes) + bootargs (200bytes) + initrd region (20bytes)
|
|
// + system memory region (20bytes) + mp_core entries (200 bytes)
|
|
#define FDT_ADDITIONAL_ENTRIES_SIZE 0x300
|
|
|
|
#define ARM_FDT_MACHINE_TYPE 0xFFFFFFFF
|
|
|
|
typedef VOID (*LINUX_KERNEL)(UINT32 Zero, UINT32 Arch, UINTN ParametersBase);
|
|
|
|
//
|
|
// ATAG Definitions
|
|
//
|
|
|
|
#define ATAG_MAX_SIZE 0x3000
|
|
|
|
/* ATAG : list of possible tags */
|
|
#define ATAG_NONE 0x00000000
|
|
#define ATAG_CORE 0x54410001
|
|
#define ATAG_MEM 0x54410002
|
|
#define ATAG_VIDEOTEXT 0x54410003
|
|
#define ATAG_RAMDISK 0x54410004
|
|
#define ATAG_INITRD2 0x54420005
|
|
#define ATAG_SERIAL 0x54410006
|
|
#define ATAG_REVISION 0x54410007
|
|
#define ATAG_VIDEOLFB 0x54410008
|
|
#define ATAG_CMDLINE 0x54410009
|
|
#define ATAG_ARM_MP_CORE 0x5441000A
|
|
|
|
#define next_tag_address(t) ((LINUX_ATAG*)((UINT32)(t) + (((t)->header.size) << 2) ))
|
|
#define tag_size(type) ((UINT32)((sizeof(LINUX_ATAG_HEADER) + sizeof(type)) >> 2))
|
|
|
|
typedef struct {
|
|
UINT32 size; /* length of tag in words including this header */
|
|
UINT32 type; /* tag type */
|
|
} LINUX_ATAG_HEADER;
|
|
|
|
typedef struct {
|
|
UINT32 flags;
|
|
UINT32 pagesize;
|
|
UINT32 rootdev;
|
|
} LINUX_ATAG_CORE;
|
|
|
|
typedef struct {
|
|
UINT32 size;
|
|
UINTN start;
|
|
} LINUX_ATAG_MEM;
|
|
|
|
typedef struct {
|
|
UINT8 x;
|
|
UINT8 y;
|
|
UINT16 video_page;
|
|
UINT8 video_mode;
|
|
UINT8 video_cols;
|
|
UINT16 video_ega_bx;
|
|
UINT8 video_lines;
|
|
UINT8 video_isvga;
|
|
UINT16 video_points;
|
|
} LINUX_ATAG_VIDEOTEXT;
|
|
|
|
typedef struct {
|
|
UINT32 flags;
|
|
UINT32 size;
|
|
UINTN start;
|
|
} LINUX_ATAG_RAMDISK;
|
|
|
|
typedef struct {
|
|
UINT32 start;
|
|
UINT32 size;
|
|
} LINUX_ATAG_INITRD2;
|
|
|
|
typedef struct {
|
|
UINT32 low;
|
|
UINT32 high;
|
|
} LINUX_ATAG_SERIALNR;
|
|
|
|
typedef struct {
|
|
UINT32 rev;
|
|
} LINUX_ATAG_REVISION;
|
|
|
|
typedef struct {
|
|
UINT16 lfb_width;
|
|
UINT16 lfb_height;
|
|
UINT16 lfb_depth;
|
|
UINT16 lfb_linelength;
|
|
UINT32 lfb_base;
|
|
UINT32 lfb_size;
|
|
UINT8 red_size;
|
|
UINT8 red_pos;
|
|
UINT8 green_size;
|
|
UINT8 green_pos;
|
|
UINT8 blue_size;
|
|
UINT8 blue_pos;
|
|
UINT8 rsvd_size;
|
|
UINT8 rsvd_pos;
|
|
} LINUX_ATAG_VIDEOLFB;
|
|
|
|
typedef struct {
|
|
CHAR8 cmdline[1];
|
|
} LINUX_ATAG_CMDLINE;
|
|
|
|
typedef struct {
|
|
LINUX_ATAG_HEADER header;
|
|
union {
|
|
LINUX_ATAG_CORE core_tag;
|
|
LINUX_ATAG_MEM mem_tag;
|
|
LINUX_ATAG_VIDEOTEXT videotext_tag;
|
|
LINUX_ATAG_RAMDISK ramdisk_tag;
|
|
LINUX_ATAG_INITRD2 initrd2_tag;
|
|
LINUX_ATAG_SERIALNR serialnr_tag;
|
|
LINUX_ATAG_REVISION revision_tag;
|
|
LINUX_ATAG_VIDEOLFB videolfb_tag;
|
|
LINUX_ATAG_CMDLINE cmdline_tag;
|
|
} body;
|
|
} LINUX_ATAG;
|
|
|
|
EFI_STATUS
|
|
PrepareAtagList (
|
|
IN CONST CHAR8* CommandLineString,
|
|
IN EFI_PHYSICAL_ADDRESS InitrdImage,
|
|
IN UINTN InitrdImageSize,
|
|
OUT EFI_PHYSICAL_ADDRESS *AtagBase,
|
|
OUT UINT32 *AtagSize
|
|
);
|
|
|
|
EFI_STATUS
|
|
PrepareFdt (
|
|
IN CONST CHAR8* CommandLineArguments,
|
|
IN EFI_PHYSICAL_ADDRESS InitrdImage,
|
|
IN UINTN InitrdImageSize,
|
|
IN OUT EFI_PHYSICAL_ADDRESS *FdtBlobBase,
|
|
IN OUT UINTN *FdtBlobSize
|
|
);
|
|
|
|
#endif
|