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;; -----------------------------------------------------------------------
;;
;; Copyright 1994-2008 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