diff options
Diffstat (limited to 'sys/arch/wgrisc/include/pio.h')
| -rw-r--r-- | sys/arch/wgrisc/include/pio.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sys/arch/wgrisc/include/pio.h b/sys/arch/wgrisc/include/pio.h new file mode 100644 index 00000000000..a950695eb3e --- /dev/null +++ b/sys/arch/wgrisc/include/pio.h @@ -0,0 +1,46 @@ +/* $OpenBSD: pio.h,v 1.1 1997/02/06 16:02:43 pefo Exp $ */ + +/* + * Copyright (c) 1995 Per Fogelstrom. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Per Fogelstrom. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * I/O macros. + */ + +#define outb(a,v) (*(volatile unsigned char*)(a) = (v)) +#define outw(a,v) (*(volatile unsigned short*)(a) = (v)) +#define out16(a,v) outw(a,v) +#define outl(a,v) (*(volatile unsigned int*)(a) = (v)) +#define out32(a,v) outl(a,v) +#define inb(a) (*(volatile unsigned char*)(a)) +#define inw(a) (*(volatile unsigned short*)(a)) +#define in16(a) inw(a) +#define inl(a) (*(volatile unsigned int*)(a)) +#define in32(a) inl(a) + |