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;; $Id$
;; -----------------------------------------------------------------------
;;
;; Copyright 1994-2002 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,
;; Bostom 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_PXELINUX
%define IS_PXELINUX 0
%endif
%ifndef IS_ISOLINUX
%define IS_ISOLINUX 0
%endif
;
; For our convenience: define macros for jump-over-unconditinal jumps
;
%macro jmpz 1
jnz %%skip
jmp %1
%%skip:
%endmacro
%macro jmpnz 1
jz %%skip
jmp %1
%%skip:
%endmacro
%macro jmpe 1
jne %%skip
jmp %1
%%skip:
%endmacro
%macro jmpne 1
je %%skip
jmp %1
%%skip:
%endmacro
%macro jmpc 1
jnc %%skip
jmp %1
%%skip:
%endmacro
%macro jmpnc 1
jc %%skip
jmp %1
%%skip:
%endmacro
%macro jmpb 1
jnb %%skip
jmp %1
%%skip:
%endmacro
%macro jmpnb 1
jb %%skip
jmp %1
%%skip:
%endmacro
;
; Macros similar to res[bwd], but which works in the code segment (after
; section .text)
;
%macro zb 1
times %1 db 0
%endmacro
%macro zw 1
times %1 dw 0
%endmacro
%macro zd 1
times %1 dd 0
%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)
%endif ; _MACROS_INC
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