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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
-