mkinitrd-magellan/isolinux/io.inc

;; -----------------------------------------------------------------------
;;
;;   Copyright 1994-2009 H. Peter Anvin - All Rights Reserved
;;   Copyright 2009 Intel Corporation; author: H. Peter Anvin
;;
;;   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.
;;
;; -----------------------------------------------------------------------

;;
;; io.inc
;;
;; I/O related macros
;;

%ifndef _IO_INC
%define _IO_INC

%define IO_DELAY_PORT	80h		; Invalid port (we hope!)

%macro io_delay 0.nolist
		out IO_DELAY_PORT,al
		out IO_DELAY_PORT,al
%endmacro

%macro slow_out 2.nolist
		out %1,%2
		io_delay
%endmacro

%endif ; _IO_INC
1	;; -----------------------------------------------------------------------
2	;;
3	;; Copyright 1994-2009 H. Peter Anvin - All Rights Reserved
4	;; Copyright 2009 Intel Corporation; author: H. Peter Anvin
5	;;
6	;; This program is free software; you can redistribute it and/or modify
7	;; it under the terms of the GNU General Public License as published by
8	;; the Free Software Foundation, Inc., 53 Temple Place Ste 330,
9	;; Boston MA 02111-1307, USA; either version 2 of the License, or
10	;; (at your option) any later version; incorporated herein by reference.
11	;;
12	;; -----------------------------------------------------------------------
13
14	;;
15	;; io.inc
16	;;
17	;; I/O related macros
18	;;
19
20	%ifndef _IO_INC
21	%define _IO_INC
22
23	%define IO_DELAY_PORT 80h ; Invalid port (we hope!)
24
25	%macro io_delay 0.nolist
26	out IO_DELAY_PORT,al
27	out IO_DELAY_PORT,al
28	%endmacro
29
30	%macro slow_out 2.nolist
31	out %1,%2
32	io_delay
33	%endmacro
34
35	%endif ; _IO_INC