1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_BOOT_MACHINE_HEADER
#define GRUB_BOOT_MACHINE_HEADER 1
#define CIF_REG %l0
#define CHOSEN_NODE_REG %l4
#define STDOUT_NODE_REG %l5
#define BOOTDEV_REG %l6
#define PIC_REG %l7
#define SCRATCH_PAD_BOOT 0x5000
#define SCRATCH_PAD_DISKBOOT 0x4000
#define SCRATCH_PAD_BOOT_SIZE 0x110
#define GET_ABS(symbol, reg) \
add PIC_REG, (symbol - pic_base), reg
#define LDUW_ABS(symbol, offset, reg) \
lduw [PIC_REG + (symbol - pic_base) + (offset)], reg
#define LDX_ABS(symbol, offset, reg) \
ldx [PIC_REG + (symbol - pic_base) + (offset)], reg
#define GRUB_BOOT_AOUT_HEADER_SIZE 32
#define GRUB_BOOT_MACHINE_SIGNATURE 0xbb44aa55
#define GRUB_BOOT_MACHINE_BOOT_DEVPATH 0x08
#define GRUB_BOOT_MACHINE_BOOT_DEVPATH_END 0x80
#define GRUB_BOOT_MACHINE_KERNEL_BYTE 0x80
#define GRUB_BOOT_MACHINE_CODE_END 0x1fc
#define GRUB_BOOT_MACHINE_KERNEL_ADDR 0x4200
#ifndef ASM_FILE
/* This is the blocklist used in the diskboot image. */
struct grub_boot_blocklist
{
grub_uint64_t start;
grub_uint32_t len;
} GRUB_PACKED;
#endif
#endif /* ! BOOT_MACHINE_HEADER */
|
