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    Annotation of /trunk/mkinitrd-magellan/isolinux/kernel.inc

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    Revision 532 - (hide annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
    File size: 2964 byte(s) 
    -import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
    1 niro 532 ;; $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