Contents of /tags/mkinitrd-6_3_1/isolinux/kernel.inc
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Revision 1143 -
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Thu Aug 19 12:44:27 2010 UTC (14 years, 1 month ago) by niro
File size: 3600 byte(s)
Thu Aug 19 12:44:27 2010 UTC (14 years, 1 month ago) by niro
File size: 3600 byte(s)
tagged 'mkinitrd-6_3_1'
1 | ;; ----------------------------------------------------------------------- |
2 | ;; |
3 | ;; Copyright 1994-2008 H. Peter Anvin - All Rights Reserved |
4 | ;; |
5 | ;; This program is free software; you can redistribute it and/or modify |
6 | ;; it under the terms of the GNU General Public License as published by |
7 | ;; the Free Software Foundation, Inc., 53 Temple Place Ste 330, |
8 | ;; Boston MA 02111-1307, USA; either version 2 of the License, or |
9 | ;; (at your option) any later version; incorporated herein by reference. |
10 | ;; |
11 | ;; ----------------------------------------------------------------------- |
12 | |
13 | ;; |
14 | ;; kernel.inc |
15 | ;; |
16 | ;; Header file for the kernel interface definitions |
17 | ;; |
18 | |
19 | %ifndef _KERNEL_INC |
20 | %define _KERNEL_INC |
21 | |
22 | ;; |
23 | ;; Structure of the real_mode_seg |
24 | ;; |
25 | |
26 | struc real_mode_seg_t |
27 | resb 20h-($-$$) ; org 20h |
28 | kern_cmd_magic resw 1 ; 0020 Magic # for command line |
29 | kern_cmd_offset resw 1 ; 0022 Offset for kernel command line |
30 | resb 497-($-$$) ; org 497d |
31 | bs_setupsecs resb 1 ; 01F1 Sectors for setup code (0 -> 4) |
32 | bs_rootflags resw 1 ; 01F2 Root readonly flag |
33 | bs_syssize resw 1 ; 01F4 |
34 | bs_swapdev resw 1 ; 01F6 Swap device (obsolete) |
35 | bs_ramsize resw 1 ; 01F8 Ramdisk flags, formerly ramdisk size |
36 | bs_vidmode resw 1 ; 01FA Video mode |
37 | bs_rootdev resw 1 ; 01FC Root device |
38 | bs_bootsign resw 1 ; 01FE Boot sector signature (0AA55h) |
39 | su_jump resb 1 ; 0200 0EBh |
40 | su_jump2 resb 1 ; 0201 Size of following header |
41 | su_header resd 1 ; 0202 New setup code: header |
42 | su_version resw 1 ; 0206 See linux/arch/i386/boot/setup.S |
43 | su_switch resw 1 ; 0208 |
44 | su_setupseg resw 1 ; 020A |
45 | su_startsys resw 1 ; 020C |
46 | su_kver resw 1 ; 020E Kernel version pointer |
47 | su_loader resb 1 ; 0210 Loader ID |
48 | su_loadflags resb 1 ; 0211 Load high flag |
49 | su_movesize resw 1 ; 0212 |
50 | su_code32start resd 1 ; 0214 Start of code loaded high |
51 | su_ramdiskat resd 1 ; 0218 Start of initial ramdisk |
52 | su_ramdisklen resd 1 ; 021C Length of initial ramdisk |
53 | su_bsklugeoffs resw 1 ; 0220 |
54 | su_bsklugeseg resw 1 ; 0222 |
55 | su_heapend resw 1 ; 0224 |
56 | su_pad1 resw 1 ; 0226 |
57 | su_cmd_line_ptr resd 1 ; 0228 |
58 | su_ramdisk_max resd 1 ; 022C |
59 | resb (0f800h-12)-($-$$) |
60 | linux_stack equ $ ; F7F4 |
61 | linux_fdctab resb 12 |
62 | cmd_line_here equ $ ; F800 Should be out of the way |
63 | endstruc |
64 | |
65 | ; |
66 | ; Old kernel command line signature |
67 | ; |
68 | CMD_MAGIC equ 0A33Fh ; Command line magic |
69 | |
70 | ; |
71 | ; If we're loading the command line old-style, we need a smaller |
72 | ; heap. |
73 | ; |
74 | old_cmd_line_here equ 9800h |
75 | old_max_cmd_len equ 2047 |
76 | old_linux_fdctab equ old_cmd_line_here-12 |
77 | old_linux_stack equ old_linux_fdctab |
78 | |
79 | ; |
80 | ; Magic number of su_header field |
81 | ; |
82 | HEADER_ID equ 'HdrS' ; HdrS (in littleendian hex) |
83 | |
84 | ; |
85 | ; Flags for the su_loadflags field |
86 | ; |
87 | LOAD_HIGH equ 01h ; Large kernel, load high |
88 | QUIET_FLAG equ 20h ; Quiet the kernel |
89 | KEEP_SEGMENTS equ 40h ; Don't reload segments |
90 | CAN_USE_HEAP equ 80h ; Boot loader reports heap size |
91 | |
92 | ; |
93 | ; ID codes for various modules |
94 | ; |
95 | syslinux_id equ 031h ; 3 = SYSLINUX family; 1 = SYSLINUX |
96 | pxelinux_id equ 032h ; 3 = SYSLINUX family; 2 = PXELINUX |
97 | isolinux_id equ 033h ; 3 = SYSLINUX family; 3 = ISOLINUX |
98 | extlinux_id equ 034h ; 3 = SYSLINUX family; 4 = EXTLINUX |
99 | |
100 | ; |
101 | ; Types of vkernels |
102 | ; |
103 | VK_LOCALBOOT equ -1 ; localboot (no actual kernel loaded) |
104 | VK_KERNEL equ 0 ; Choose by filename |
105 | VK_LINUX equ 1 ; Linux kernel image |
106 | VK_BOOT equ 2 ; Boot sector |
107 | VK_BSS equ 3 ; BSS boot sector |
108 | VK_PXE equ 4 ; PXE NBP |
109 | VK_FDIMAGE equ 5 ; Floppy disk image |
110 | VK_COMBOOT equ 6 ; COMBOOT image |
111 | VK_COM32 equ 7 ; COM32 image |
112 | VK_CONFIG equ 8 ; Configuration file |
113 | VK_TYPES equ 9 ; Number of VK types |
114 | |
115 | %endif ; _KERNEL_INC |