112 lines
2.4 KiB
PHP
112 lines
2.4 KiB
PHP
;; $Id: macros.inc,v 1.9 2004/12/14 22:46:25 hpa Exp $
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;; -----------------------------------------------------------------------
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;;
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;; Copyright 1994-2004 H. Peter Anvin - All Rights Reserved
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;;
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, Inc., 53 Temple Place Ste 330,
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;; Boston MA 02111-1307, USA; either version 2 of the License, or
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;; (at your option) any later version; incorporated herein by reference.
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;;
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;; -----------------------------------------------------------------------
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;;
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;; macros.inc
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;;
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;; Convenient macros
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;;
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%ifndef _MACROS_INC
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%define _MACROS_INC
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;
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; Identify the module we're compiling; the "correct" should be defined
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; in the module itself to 1
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;
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%ifndef IS_SYSLINUX
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%define IS_SYSLINUX 0
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%endif
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%ifndef IS_MDSLINUX
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%define IS_MDSLINUX 0
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%endif
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%ifndef IS_PXELINUX
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%define IS_PXELINUX 0
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%endif
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%ifndef IS_ISOLINUX
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%define IS_ISOLINUX 0
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%endif
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%ifndef IS_EXTLINUX
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%define IS_EXTLINUX 0
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%endif
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;
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; Macros similar to res[bwd], but which works in the code segment (after
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; section .text) or the data segment (section .data)
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;
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%macro zb 1.nolist
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times %1 db 0
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%endmacro
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%macro zw 1.nolist
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times %1 dw 0
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%endmacro
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%macro zd 1.nolist
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times %1 dd 0
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%endmacro
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;
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; Macro to emit an unsigned decimal number as a string
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;
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%macro asciidec 1.nolist
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%ifndef DEPEND ; Not safe for "depend"
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%if %1 >= 1000000000
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db ((%1/1000000000) % 10) + '0'
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%endif
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%if %1 >= 100000000
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db ((%1/100000000) % 10) + '0'
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%endif
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%if %1 >= 10000000
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db ((%1/10000000) % 10) + '0'
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%endif
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%if %1 >= 1000000
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db ((%1/1000000) % 10) + '0'
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%endif
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%if %1 >= 100000
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db ((%1/100000) % 10) + '0'
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%endif
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%if %1 >= 10000
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db ((%1/10000) % 10) + '0'
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%endif
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%if %1 >= 1000
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db ((%1/1000) % 10) + '0'
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%endif
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%if %1 >= 100
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db ((%1/100) % 10) + '0'
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%endif
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%if %1 >= 10
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db ((%1/10) % 10) + '0'
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%endif
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db (%1 % 10) + '0'
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%endif
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%endmacro
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;
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; Macros for network byte order of constants
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;
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%define htons(x) ( ( ((x) & 0FFh) << 8 ) + ( ((x) & 0FF00h) >> 8 ) )
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%define ntohs(x) htons(x)
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%define htonl(x) ( ( ((x) & 0FFh) << 24) + ( ((x) & 0FF00h) << 8 ) + ( ((x) & 0FF0000h) >> 8 ) + ( ((x) & 0FF000000h) >> 24) )
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%define ntohl(x) htonl(x)
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;
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; ASCII
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;
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CR equ 13 ; Carriage Return
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LF equ 10 ; Line Feed
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FF equ 12 ; Form Feed
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BS equ 8 ; Backspace
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%endif ; _MACROS_INC
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