Annotation of /trunk/mkinitrd-magellan/isolinux/kernel.inc
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Revision 1133 -
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Thu Aug 19 09:50:43 2010 UTC (14 years, 1 month ago) by niro
File size: 3600 byte(s)
Thu Aug 19 09:50:43 2010 UTC (14 years, 1 month ago) by niro
File size: 3600 byte(s)
-updated to isolinux-3.86
1 | niro | 532 | ;; ----------------------------------------------------------------------- |
2 | ;; | ||
3 | niro | 1133 | ;; Copyright 1994-2008 H. Peter Anvin - All Rights Reserved |
4 | ;; | ||
5 | niro | 532 | ;; 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 | niro | 1133 | ;; |
16 | niro | 532 | ;; 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 | niro | 1133 | 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 | niro | 532 | endstruc |
64 | |||
65 | ; | ||
66 | niro | 1133 | ; Old kernel command line signature |
67 | niro | 532 | ; |
68 | CMD_MAGIC equ 0A33Fh ; Command line magic | ||
69 | |||
70 | ; | ||
71 | niro | 1133 | ; 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 | niro | 532 | ; 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 | niro | 1133 | QUIET_FLAG equ 20h ; Quiet the kernel |
89 | KEEP_SEGMENTS equ 40h ; Don't reload segments | ||
90 | niro | 532 | 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 | niro | 1133 | ; |
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 | niro | 532 | %endif ; _KERNEL_INC |