mkinitrd-6_1_12/isolinux/kernel.inc

;; $Id: kernel.inc,v 1.1 2007-09-01 22:44:05 niro Exp $
;; -----------------------------------------------------------------------
;;   
;;   Copyright 1994-2002 H. Peter Anvin - All Rights Reserved
;;
;;   This program 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, Inc., 53 Temple Place Ste 330,
;;   Boston MA 02111-1307, USA; either version 2 of the License, or
;;   (at your option) any later version; incorporated herein by reference.
;;
;; -----------------------------------------------------------------------

;;
;; kernel.inc
;; 
;; Header file for the kernel interface definitions
;;

%ifndef _KERNEL_INC
%define _KERNEL_INC

;;
;; Structure of the real_mode_seg
;;

		struc real_mode_seg_t
		resb 20h-($-$$)		; org 20h
kern_cmd_magic	resw 1			; 0020 Magic # for command line
kern_cmd_offset resw 1			; 0022 Offset for kernel command line
		resb 497-($-$$)		; org 497d
bs_setupsecs	resb 1			; 01F1 Sectors for setup code (0 -> 4)
bs_rootflags	resw 1			; 01F2 Root readonly flag
bs_syssize	resw 1			; 01F4
bs_swapdev	resw 1			; 01F6 Swap device (obsolete)
bs_ramsize	resw 1			; 01F8 Ramdisk flags, formerly ramdisk size
bs_vidmode	resw 1			; 01FA Video mode
bs_rootdev	resw 1			; 01FC Root device
bs_bootsign	resw 1			; 01FE Boot sector signature (0AA55h)
su_jump		resb 1			; 0200 0EBh
su_jump2	resb 1			; 0201 Size of following header
su_header	resd 1			; 0202 New setup code: header
su_version	resw 1			; 0206 See linux/arch/i386/boot/setup.S
su_switch	resw 1			; 0208
su_setupseg	resw 1			; 020A
su_startsys	resw 1			; 020C
su_kver		resw 1			; 020E Kernel version pointer
su_loader	resb 1			; 0210 Loader ID
su_loadflags	resb 1			; 0211 Load high flag
su_movesize	resw 1			; 0212
su_code32start	resd 1			; 0214 Start of code loaded high
su_ramdiskat	resd 1			; 0218 Start of initial ramdisk
su_ramdisklen	resd 1			; 021C Length of initial ramdisk
su_bsklugeoffs	resw 1			; 0220
su_bsklugeseg	resw 1			; 0222
su_heapend	resw 1			; 0224
su_pad1		resw 1			; 0226
su_cmd_line_ptr	resd 1			; 0228
su_ramdisk_max	resd 1			; 022C
		resb (9000h-12)-($-$$)	; Were bootsect.S puts it...
linux_stack	equ $			; 8FF4
linux_fdctab	equ $
		resb 9000h-($-$$)
cmd_line_here	equ $			; 9000 Should be out of the way
		endstruc

;
; Kernel command line signature
;
CMD_MAGIC	equ 0A33Fh		; Command line magic

;
; Magic number of su_header field
;
HEADER_ID       equ 'HdrS'		; HdrS (in littleendian hex)

;
; Flags for the su_loadflags field
;
LOAD_HIGH	equ 01h			; Large kernel, load high
CAN_USE_HEAP    equ 80h                 ; Boot loader reports heap size

;
; ID codes for various modules
;
syslinux_id	equ 031h		; 3 = SYSLINUX family; 1 = SYSLINUX
pxelinux_id	equ 032h		; 3 = SYSLINUX family; 2 = PXELINUX
isolinux_id	equ 033h		; 3 = SYSLINUX family; 3 = ISOLINUX
extlinux_id	equ 034h		; 3 = SYSLINUX family; 4 = EXTLINUX

%endif ; _KERNEL_INC
1	;; $Id: kernel.inc,v 1.1 2007-09-01 22:44:05 niro Exp $
2	;; -----------------------------------------------------------------------
3	;;
4	;; Copyright 1994-2002 H. Peter Anvin - All Rights Reserved
5	;;
6	;; This program is free software; you can redistribute it and/or modify
7	;; it under the terms of the GNU General Public License as published by
8	;; the Free Software Foundation, Inc., 53 Temple Place Ste 330,
9	;; Boston MA 02111-1307, USA; either version 2 of the License, or
10	;; (at your option) any later version; incorporated herein by reference.
11	;;
12	;; -----------------------------------------------------------------------
13
14	;;
15	;; kernel.inc
16	;;
17	;; Header file for the kernel interface definitions
18	;;
19
20	%ifndef _KERNEL_INC
21	%define _KERNEL_INC
22
23	;;
24	;; Structure of the real_mode_seg
25	;;
26
27	struc real_mode_seg_t
28	resb 20h-($-$$) ; org 20h
29	kern_cmd_magic resw 1 ; 0020 Magic # for command line
30	kern_cmd_offset resw 1 ; 0022 Offset for kernel command line
31	resb 497-($-$$) ; org 497d
32	bs_setupsecs resb 1 ; 01F1 Sectors for setup code (0 -> 4)
33	bs_rootflags resw 1 ; 01F2 Root readonly flag
34	bs_syssize resw 1 ; 01F4
35	bs_swapdev resw 1 ; 01F6 Swap device (obsolete)
36	bs_ramsize resw 1 ; 01F8 Ramdisk flags, formerly ramdisk size
37	bs_vidmode resw 1 ; 01FA Video mode
38	bs_rootdev resw 1 ; 01FC Root device
39	bs_bootsign resw 1 ; 01FE Boot sector signature (0AA55h)
40	su_jump resb 1 ; 0200 0EBh
41	su_jump2 resb 1 ; 0201 Size of following header
42	su_header resd 1 ; 0202 New setup code: header
43	su_version resw 1 ; 0206 See linux/arch/i386/boot/setup.S
44	su_switch resw 1 ; 0208
45	su_setupseg resw 1 ; 020A
46	su_startsys resw 1 ; 020C
47	su_kver resw 1 ; 020E Kernel version pointer
48	su_loader resb 1 ; 0210 Loader ID
49	su_loadflags resb 1 ; 0211 Load high flag
50	su_movesize resw 1 ; 0212
51	su_code32start resd 1 ; 0214 Start of code loaded high
52	su_ramdiskat resd 1 ; 0218 Start of initial ramdisk
53	su_ramdisklen resd 1 ; 021C Length of initial ramdisk
54	su_bsklugeoffs resw 1 ; 0220
55	su_bsklugeseg resw 1 ; 0222
56	su_heapend resw 1 ; 0224
57	su_pad1 resw 1 ; 0226
58	su_cmd_line_ptr resd 1 ; 0228
59	su_ramdisk_max resd 1 ; 022C
60	resb (9000h-12)-($-$$) ; Were bootsect.S puts it...
61	linux_stack equ $ ; 8FF4
62	linux_fdctab equ $
63	resb 9000h-($-$$)
64	cmd_line_here equ $ ; 9000 Should be out of the way
65	endstruc
66
67	;
68	; Kernel command line signature
69	;
70	CMD_MAGIC equ 0A33Fh ; Command line magic
71
72	;
73	; Magic number of su_header field
74	;
75	HEADER_ID equ 'HdrS' ; HdrS (in littleendian hex)
76
77	;
78	; Flags for the su_loadflags field
79	;
80	LOAD_HIGH equ 01h ; Large kernel, load high
81	CAN_USE_HEAP equ 80h ; Boot loader reports heap size
82
83	;
84	; ID codes for various modules
85	;
86	syslinux_id equ 031h ; 3 = SYSLINUX family; 1 = SYSLINUX
87	pxelinux_id equ 032h ; 3 = SYSLINUX family; 2 = PXELINUX
88	isolinux_id equ 033h ; 3 = SYSLINUX family; 3 = ISOLINUX
89	extlinux_id equ 034h ; 3 = SYSLINUX family; 4 = EXTLINUX
90
91	%endif ; _KERNEL_INC