ldlinux.lst

Windows上的精简Linux系统

     1                                  ; -*- fundamental -*- (asm-mode sucks)
     2                                  ; $Id: ldlinux.asm,v 1.147 2004/06/13 20:50:44 hpa Exp $
     3                                  ; ****************************************************************************
     4                                  ;
     5                                  ;  ldlinux.asm
     6                                  ;
     7                                  ;  A program to boot Linux kernels off an MS-DOS formatted floppy disk.	 This
     8                                  ;  functionality is good to have for installation floppies, where it may
     9                                  ;  be hard to find a functional Linux system to run LILO off.
    10                                  ;
    11                                  ;  This program allows manipulation of the disk to take place entirely
    12                                  ;  from MS-LOSS, and can be especially useful in conjunction with the
    13                                  ;  umsdos filesystem.
    14                                  ;
    15                                  ;  This file is loaded in stages; first the boot sector at offset 7C00h,
    16                                  ;  then the first sector (cluster, really, but we can only assume 1 sector)
    17                                  ;  of LDLINUX.SYS at 7E00h and finally the remainder of LDLINUX.SYS at 8000h.
    18                                  ;
    19                                  ;   Copyright (C) 1994-2004  H. Peter Anvin
    20                                  ;
    21                                  ;  This program is free software; you can redistribute it and/or modify
    22                                  ;  it under the terms of the GNU General Public License as published by
    23                                  ;  the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,
    24                                  ;  USA; either version 2 of the License, or (at your option) any later
    25                                  ;  version; incorporated herein by reference.
    26                                  ; 
    27                                  ; ****************************************************************************
    28                                  
    29                                  %ifndef IS_MDSLINUX
    30                                  %define IS_SYSLINUX 1
    31                                  %endif
    32                                  %include "macros.inc"
    33                              <1> ;; $Id: macros.inc,v 1.6 2003/04/16 02:49:31 hpa Exp $
    34                              <1> ;; -----------------------------------------------------------------------
    35                              <1> ;;   
    36                              <1> ;;   Copyright 1994-2003 H. Peter Anvin - All Rights Reserved
    37                              <1> ;;
    38                              <1> ;;   This program is free software; you can redistribute it and/or modify
    39                              <1> ;;   it under the terms of the GNU General Public License as published by
    40                              <1> ;;   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
    41                              <1> ;;   Bostom MA 02111-1307, USA; either version 2 of the License, or
    42                              <1> ;;   (at your option) any later version; incorporated herein by reference.
    43                              <1> ;;
    44                              <1> ;; -----------------------------------------------------------------------
    45                              <1> 
    46                              <1> ;;
    47                              <1> ;; macros.inc
    48                              <1> ;; 
    49                              <1> ;; Convenient macros
    50                              <1> ;;
    51                              <1> 
    52                              <1> %ifndef _MACROS_INC
    53                              <1> %define _MACROS_INC
    54                              <1> 
    55                              <1> ;
    56                              <1> ; Identify the module we're compiling; the "correct" should be defined
    57                              <1> ; in the module itself to 1
    58                              <1> ;
    59                              <1> %ifndef IS_SYSLINUX
    60                              <1> %define IS_SYSLINUX 0
    61                              <1> %endif
    62                              <1> %ifndef IS_MDSLINUX
    63                              <1> %define IS_MDSLINUX 0
    64                              <1> %endif
    65                              <1> %ifndef IS_PXELINUX
    66                              <1> %define IS_PXELINUX 0
    67                              <1> %endif
    68                              <1> %ifndef IS_ISOLINUX
    69                              <1> %define IS_ISOLINUX 0
    70                              <1> %endif
    71                              <1> 
    72                              <1> ;
    73                              <1> ; Macros similar to res[bwd], but which works in the code segment (after
    74                              <1> ; section .text) or the data segment (section .data)
    75                              <1> ;
    76                              <1> %macro	zb	1.nolist
    77                              <1> 	times %1 db 0
    78                              <1> %endmacro
    79                              <1> 
    80                              <1> %macro	zw	1.nolist
    81                              <1> 	times %1 dw 0
    82                              <1> %endmacro
    83                              <1> 
    84                              <1> %macro	zd	1.nolist
    85                              <1> 	times %1 dd 0
    86                              <1> %endmacro
    87                              <1> 
    88                              <1> ;
    89                              <1> ; Macro to emit an unsigned decimal number as a string
    90                              <1> ;
    91                              <1> %macro asciidec	1.nolist
    92                              <1> %ifndef DEPEND	; Not safe for "depend"
    93                              <1> %if %1 >= 1000000000
    94                              <1> 	db ((%1/1000000000) % 10) + '0'
    95                              <1> %endif
    96                              <1> %if %1 >= 100000000
    97                              <1> 	db ((%1/100000000) % 10) + '0'
    98                              <1> %endif
    99                              <1> %if %1 >= 10000000
   100                              <1> 	db ((%1/10000000) % 10) + '0'
   101                              <1> %endif
   102                              <1> %if %1 >= 1000000
   103                              <1> 	db ((%1/1000000) % 10) + '0'
   104                              <1> %endif
   105                              <1> %if %1 >= 100000
   106                              <1> 	db ((%1/100000) % 10) + '0'
   107                              <1> %endif
   108                              <1> %if %1 >= 10000
   109                              <1> 	db ((%1/10000) % 10) + '0'
   110                              <1> %endif
   111                              <1> %if %1 >= 1000
   112                              <1> 	db ((%1/1000) % 10) + '0'
   113                              <1> %endif
   114                              <1> %if %1 >= 100
   115                              <1> 	db ((%1/100) % 10) + '0'
   116                              <1> %endif
   117                              <1> %if %1 >= 10
   118                              <1> 	db ((%1/10) % 10) + '0'
   119                              <1> %endif
   120                              <1> 	db (%1 % 10) + '0'
   121                              <1> %endif
   122                              <1> %endmacro
   123                              <1> 
   124                              <1> ;
   125                              <1> ; Macros for network byte order of constants
   126                              <1> ;
   127                              <1> %define htons(x)  ( ( ((x) & 0FFh) << 8 ) + ( ((x) & 0FF00h) >> 8 ) )
   128                              <1> %define ntohs(x) htons(x)
   129                              <1> %define htonl(x)  ( ( ((x) & 0FFh) << 24) + ( ((x) & 0FF00h) << 8 ) + ( ((x) & 0FF0000h) >> 8 ) + ( ((x) & 0FF000000h) >> 24) )
   130                              <1> %define ntohl(x) htonl(x)
   131                              <1> 
   132                              <1> %endif ; _MACROS_INC
   133                                  %include "config.inc"
   134                              <1> ;; $Id: config.inc,v 1.5 2004/01/29 06:31:49 hpa Exp $
   135                              <1> ;; -----------------------------------------------------------------------
   136                              <1> ;;   
   137                              <1> ;;   Copyright 2002-2004 H. Peter Anvin - All Rights Reserved
   138                              <1> ;;
   139                              <1> ;;   This program is free software; you can redistribute it and/or modify
   140                              <1> ;;   it under the terms of the GNU General Public License as published by
   141                              <1> ;;   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   142                              <1> ;;   Bostom MA 02111-1307, USA; either version 2 of the License, or
   143                              <1> ;;   (at your option) any later version; incorporated herein by reference.
   144                              <1> ;;
   145                              <1> ;; -----------------------------------------------------------------------
   146                              <1> 
   147                              <1> ;;
   148                              <1> ;; config.inc
   149                              <1> ;;
   150                              <1> ;; Common configuration options.  Some of these are imposed by the kernel.
   151                              <1> ;;
   152                              <1> 
   153                              <1> %ifndef _CONFIG_INC
   154                              <1> %define _CONFIG_INC
   155                              <1> 
   156                              <1> max_cmd_len	equ 255			; Must be odd; 255 is the kernel limit
   157                              <1> HIGHMEM_MAX	equ 037FFFFFFh		; DEFAULT highest address for an initrd
   158                              <1> DEFAULT_BAUD	equ 9600		; Default baud rate for serial port
   159                              <1> BAUD_DIVISOR	equ 115200		; Serial port parameter
   160                              <1> 
   161                              <1> %assign	DO_WBINVD 0			; Should we use WBINVD or not?
   162                              <1> 
   163                              <1> ;
   164                              <1> ; Version number definitinons
   165                              <1> ;
   166                              <1> %ifndef DEPEND				; Generated file
   167                              <1> %include "version.gen"
   168                              <2> %define VERSION "2.10"
   169                              <2> %define VER_MAJOR 2
   170                              <2> %define VER_MINOR 10
   171                              <1> %endif
   172                              <1> 
   173                              <1> ;
   174                              <1> ; Should be updated with every release to avoid bootsector/SYS file mismatch
   175                              <1> ;
   176                              <1> %define	version_str	VERSION		; Must be 4 characters long!
   177                              <1> %define date		DATE_STR	; Defined from the Makefile
   178                              <1> %define	year		'2004'
   179                              <1> 
   180                              <1> %endif ; _CONFIG_INC
   181                                  %include "kernel.inc"
   182                              <1> ;; $Id: kernel.inc,v 1.1 2002/04/26 05:56:24 hpa Exp $
   183                              <1> ;; -----------------------------------------------------------------------
   184                              <1> ;;   
   185                              <1> ;;   Copyright 1994-2002 H. Peter Anvin - All Rights Reserved
   186                              <1> ;;
   187                              <1> ;;   This program is free software; you can redistribute it and/or modify
   188                              <1> ;;   it under the terms of the GNU General Public License as published by
   189                              <1> ;;   the Free Software Foundation, Inc., 53 Temple Place Ste 330,