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    Contents of /trunk/mkinitrd-magellan/isolinux/macros.inc

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    Revision 532 - (show annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
    File size: 2413 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 ;; $Id: macros.inc,v 1.1 2007-09-01 22:44:05 niro Exp $
    2 ;; -----------------------------------------------------------------------
    3 ;;
    4 ;; Copyright 1994-2004 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 ;; macros.inc
    16 ;;
    17 ;; Convenient macros
    18 ;;
    19
    20 %ifndef _MACROS_INC
    21 %define _MACROS_INC
    22
    23 ;
    24 ; Identify the module we're compiling; the "correct" should be defined
    25 ; in the module itself to 1
    26 ;
    27 %ifndef IS_SYSLINUX
    28 %define IS_SYSLINUX 0
    29 %endif
    30 %ifndef IS_MDSLINUX
    31 %define IS_MDSLINUX 0
    32 %endif
    33 %ifndef IS_PXELINUX
    34 %define IS_PXELINUX 0
    35 %endif
    36 %ifndef IS_ISOLINUX
    37 %define IS_ISOLINUX 0
    38 %endif
    39 %ifndef IS_EXTLINUX
    40 %define IS_EXTLINUX 0
    41 %endif
    42
    43 ;
    44 ; Macros similar to res[bwd], but which works in the code segment (after
    45 ; section .text) or the data segment (section .data)
    46 ;
    47 %macro zb 1.nolist
    48 times %1 db 0
    49 %endmacro
    50
    51 %macro zw 1.nolist
    52 times %1 dw 0
    53 %endmacro
    54
    55 %macro zd 1.nolist
    56 times %1 dd 0
    57 %endmacro
    58
    59 ;
    60 ; Macro to emit an unsigned decimal number as a string
    61 ;
    62 %macro asciidec 1.nolist
    63 %ifndef DEPEND ; Not safe for "depend"
    64 %if %1 >= 1000000000
    65 db ((%1/1000000000) % 10) + '0'
    66 %endif
    67 %if %1 >= 100000000
    68 db ((%1/100000000) % 10) + '0'
    69 %endif
    70 %if %1 >= 10000000
    71 db ((%1/10000000) % 10) + '0'
    72 %endif
    73 %if %1 >= 1000000
    74 db ((%1/1000000) % 10) + '0'
    75 %endif
    76 %if %1 >= 100000
    77 db ((%1/100000) % 10) + '0'
    78 %endif
    79 %if %1 >= 10000
    80 db ((%1/10000) % 10) + '0'
    81 %endif
    82 %if %1 >= 1000
    83 db ((%1/1000) % 10) + '0'
    84 %endif
    85 %if %1 >= 100
    86 db ((%1/100) % 10) + '0'
    87 %endif
    88 %if %1 >= 10
    89 db ((%1/10) % 10) + '0'
    90 %endif
    91 db (%1 % 10) + '0'
    92 %endif
    93 %endmacro
    94
    95 ;
    96 ; Macros for network byte order of constants
    97 ;
    98 %define htons(x) ( ( ((x) & 0FFh) << 8 ) + ( ((x) & 0FF00h) >> 8 ) )
    99 %define ntohs(x) htons(x)
    100 %define htonl(x) ( ( ((x) & 0FFh) << 24) + ( ((x) & 0FF00h) << 8 ) + ( ((x) & 0FF0000h) >> 8 ) + ( ((x) & 0FF000000h) >> 24) )
    101 %define ntohl(x) htonl(x)
    102
    103 ;
    104 ; ASCII
    105 ;
    106 CR equ 13 ; Carriage Return
    107 LF equ 10 ; Line Feed
    108 FF equ 12 ; Form Feed
    109 BS equ 8 ; Backspace
    110
    111 %endif ; _MACROS_INC