This commit was generated by cvs2svn to compensate for changes in r1815,

[bootcd.git] / syslinux / macros.inc

diff --git a/syslinux/macros.inc b/syslinux/macros.inc
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+;; $Id: macros.inc,v 1.9 2004/12/14 22:46:25 hpa Exp $
+;; -----------------------------------------------------------------------
+;;   
+;;   Copyright 1994-2004 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.
+;;
+;; -----------------------------------------------------------------------
+
+;;
+;; macros.inc
+;; 
+;; Convenient macros
+;;
+
+%ifndef _MACROS_INC
+%define _MACROS_INC
+
+;
+; Identify the module we're compiling; the "correct" should be defined
+; in the module itself to 1
+;
+%ifndef IS_SYSLINUX
+%define IS_SYSLINUX 0
+%endif
+%ifndef IS_MDSLINUX
+%define IS_MDSLINUX 0
+%endif
+%ifndef IS_PXELINUX
+%define IS_PXELINUX 0
+%endif
+%ifndef IS_ISOLINUX
+%define IS_ISOLINUX 0
+%endif
+%ifndef IS_EXTLINUX
+%define IS_EXTLINUX 0
+%endif
+
+;
+; Macros similar to res[bwd], but which works in the code segment (after
+; section .text) or the data segment (section .data)
+;
+%macro zb      1.nolist
+       times %1 db 0
+%endmacro
+
+%macro zw      1.nolist
+       times %1 dw 0
+%endmacro
+
+%macro zd      1.nolist
+       times %1 dd 0
+%endmacro
+
+;
+; Macro to emit an unsigned decimal number as a string
+;
+%macro asciidec        1.nolist
+%ifndef DEPEND ; Not safe for "depend"
+%if %1 >= 1000000000
+       db ((%1/1000000000) % 10) + '0'
+%endif
+%if %1 >= 100000000
+       db ((%1/100000000) % 10) + '0'
+%endif
+%if %1 >= 10000000
+       db ((%1/10000000) % 10) + '0'
+%endif
+%if %1 >= 1000000
+       db ((%1/1000000) % 10) + '0'
+%endif
+%if %1 >= 100000
+       db ((%1/100000) % 10) + '0'
+%endif
+%if %1 >= 10000
+       db ((%1/10000) % 10) + '0'
+%endif
+%if %1 >= 1000
+       db ((%1/1000) % 10) + '0'
+%endif
+%if %1 >= 100
+       db ((%1/100) % 10) + '0'
+%endif
+%if %1 >= 10
+       db ((%1/10) % 10) + '0'
+%endif
+       db (%1 % 10) + '0'
+%endif
+%endmacro
+
+;
+; Macros for network byte order of constants
+;
+%define htons(x)  ( ( ((x) & 0FFh) << 8 ) + ( ((x) & 0FF00h) >> 8 ) )
+%define ntohs(x) htons(x)
+%define htonl(x)  ( ( ((x) & 0FFh) << 24) + ( ((x) & 0FF00h) << 8 ) + ( ((x) & 0FF0000h) >> 8 ) + ( ((x) & 0FF000000h) >> 24) )
+%define ntohl(x) htonl(x)
+
+;
+; ASCII
+;
+CR             equ 13          ; Carriage Return
+LF             equ 10          ; Line Feed
+FF             equ 12          ; Form Feed
+BS             equ  8          ; Backspace
+
+%endif ; _MACROS_INC