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    Annotation of /trunk/mkinitrd-magellan/isolinux/macros.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: 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 niro 532 ;; $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