mpv/vidix/sysdep/AsmMacros_powerpc.h

116 lines
4.2 KiB
C

/*
This file is based on:
$XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
Modified for readability by Nick Kurshev
*/
/*
* (c) Copyright 1993,1994 by David Wexelblat <dwex@xfree86.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* DAVID WEXELBLAT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of David Wexelblat shall not be
* used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from David Wexelblat.
*/
/*
* Copyright 1997
* Digital Equipment Corporation. All rights reserved.
* This software is furnished under license and may be used and copied only in
* accordance with the following terms and conditions. Subject to these
* conditions, you may download, copy, install, use, modify and distribute
* this software in source and/or binary form. No title or ownership is
* transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce and retain
* this copyright notice and list of conditions as they appear in the source
* file.
*
* 2) No right is granted to use any trade name, trademark, or logo of Digital
* Equipment Corporation. Neither the "Digital Equipment Corporation" name
* nor any trademark or logo of Digital Equipment Corporation may be used
* to endorse or promote products derived from this software without the
* prior written permission of Digital Equipment Corporation.
*
* 3) This software is provided "AS-IS" and any express or implied warranties,
* including but not limited to, any implied warranties of merchantability,
* fitness for a particular purpose, or non-infringement are disclaimed. In
* no event shall DIGITAL be liable for any damages whatsoever, and in
* particular, DIGITAL shall not be liable for special, indirect,
* consequential, or incidental damages or damages for
* lost profits, loss of revenue or loss of use, whether such damages arise
* in contract,
* negligence, tort, under statute, in equity, at law or otherwise, even if
* advised of the possibility of such damage.
*/
#ifndef ASMMACROS_POWERPC_H
#define ASMMACROS_POWERPC_H
#if defined(Lynx) || defined(__OpenBSD__)
extern unsigned char *ioBase;
static __inline__ volatile void eieio()
{
__asm__ __volatile__ ("eieio");
}
static __inline__ void outb(short port, unsigned char value)
{
*(unsigned char *)(ioBase + port) = value; eieio();
}
static __inline__ void outw(short port, unsigned short value)
{
*(unsigned short *)(ioBase + port) = value; eieio();
}
static __inline__ void outl(short port, unsigned short value)
{
*(unsigned long *)(ioBase + port) = value; eieio();
}
static __inline__ unsigned char inb(short port)
{
unsigned char val;
val = *((unsigned char *)(ioBase + port)); eieio();
return(val);
}
static __inline__ unsigned short inw(short port)
{
unsigned short val;
val = *((unsigned short *)(ioBase + port)); eieio();
return(val);
}
static __inline__ unsigned long inl(short port)
{
unsigned long val;
val = *((unsigned long *)(ioBase + port)); eieio();
return(val);
}
#define intr_disable()
#define intr_enable()
#endif
#endif /* ASMMACROS_POWERPC_H */