Subversion Repositories or1k

/*

 * These are some macros to access memory mapped devices

 * on the SH7000-architecture.

 *

 * Inspired from the linux kernel's include/asm/io.h

 *

 *  Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and

 *           Bernd Becker (becker@faw.uni-ulm.de)

 *

 *  COPYRIGHT (c) 1996-1998, FAW Ulm, Germany

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 *

 *

 *  COPYRIGHT (c) 1998-2001.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  sh_io.h,v 1.2 2001/10/12 17:46:47 joel Exp

 */

#ifndef _asm_io_h

#define _asm_io_h

#define readb(addr)     (*(volatile unsigned char *) (addr))

#define readw(addr)     (*(volatile unsigned short *) (addr))

#define readl(addr)     (*(volatile unsigned int *) (addr))

#define read8(addr)     (*(volatile unsigned8 *) (addr))

#define read16(addr)    (*(volatile unsigned16 *) (addr))

#define read32(addr)    (*(volatile unsigned32 *) (addr))

#define writeb(b,addr)  ((*(volatile unsigned char *) (addr)) = (b))

#define writew(b,addr)  ((*(volatile unsigned short *) (addr)) = (b))

#define writel(b,addr)  ((*(volatile unsigned int *) (addr)) = (b))

#define write8(b,addr)  ((*(volatile unsigned8  *) (addr)) = (b))

#define write16(b,addr) ((*(volatile unsigned16 *) (addr)) = (b))

#define write32(b,addr) ((*(volatile unsigned32 *) (addr)) = (b))

#define inb(addr)       readb(addr)

#define outb(b,addr)    writeb(b,addr)

#endif