vidix/sysdep/AsmMacros_powerpc.h

   1 /*
   2    This file is based on:
   3    $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
   4    Modified for readability by Nick Kurshev
   5 */
   6 /*
   7  * (c) Copyright 1993,1994 by David Wexelblat <dwex@xfree86.org>
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included in
  17  * all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * DAVID WEXELBLAT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  23  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  24  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  *
  27  * Except as contained in this notice, the name of David Wexelblat shall not be
  28  * used in advertising or otherwise to promote the sale, use or other dealings
  29  * in this Software without prior written authorization from David Wexelblat.
  30  */
  31 /*
  32  * Copyright 1997
  33  * Digital Equipment Corporation. All rights reserved.
  34  * This software is furnished under license and may be used and copied only in
  35  * accordance with the following terms and conditions.  Subject to these
  36  * conditions, you may download, copy, install, use, modify and distribute
  37  * this software in source and/or binary form. No title or ownership is
  38  * transferred hereby.
  39  *
  40  * 1) Any source code used, modified or distributed must reproduce and retain
  41  *    this copyright notice and list of conditions as they appear in the source
  42  *    file.
  43  *
  44  * 2) No right is granted to use any trade name, trademark, or logo of Digital
  45  *    Equipment Corporation. Neither the "Digital Equipment Corporation" name
  46  *    nor any trademark or logo of Digital Equipment Corporation may be used
  47  *    to endorse or promote products derived from this software without the
  48  *    prior written permission of Digital Equipment Corporation.
  49  *
  50  * 3) This software is provided "AS-IS" and any express or implied warranties,
  51  *    including but not limited to, any implied warranties of merchantability,
  52  *    fitness for a particular purpose, or non-infringement are disclaimed. In
  53  *    no event shall DIGITAL be liable for any damages whatsoever, and in
  54  *    particular, DIGITAL shall not be liable for special, indirect,
  55  *    consequential, or incidental damages or damages for
  56  *    lost profits, loss of revenue or loss of use, whether such damages arise
  57  *    in contract,
  58  *    negligence, tort, under statute, in equity, at law or otherwise, even if
  59  *    advised of the possibility of such damage.
  60  */
  61
  62 #ifndef MPLAYER_ASMMACROS_POWERPC_H
  63 #define MPLAYER_ASMMACROS_POWERPC_H
  64
  65 #if defined(Lynx) || defined(__OpenBSD__)
  66
  67 extern unsigned char *ioBase;
  68
  69 static __inline__ volatile void eieio(void)
  70 {
  71         __asm__ volatile ("eieio");
  72 }
  73
  74 static __inline__ void outb(short port, unsigned char value)
  75 {
  76         *(unsigned char *)(ioBase + port) = value; eieio();
  77 }
  78
  79 static __inline__ void outw(short port, unsigned short value)
  80 {
  81         *(unsigned short *)(ioBase + port) = value; eieio();
  82 }
  83
  84 static __inline__ void outl(short port, unsigned short value)
  85 {
  86         *(unsigned long *)(ioBase + port) = value; eieio();
  87 }
  88
  89 static __inline__ unsigned char inb(short port)
  90 {
  91         unsigned char val;
  92         val = *((unsigned char *)(ioBase + port)); eieio();
  93         return val;
  94 }
  95
  96 static __inline__ unsigned short inw(short port)
  97 {
  98         unsigned short val;
  99         val = *((unsigned short *)(ioBase + port)); eieio();
 100         return val;
 101 }
 102
 103 static __inline__ unsigned long inl(short port)
 104 {
 105         unsigned long val;
 106         val = *((unsigned long *)(ioBase + port)); eieio();
 107         return val;
 108 }
 109
 110 #define intr_disable()
 111 #define intr_enable()
 112
 113 #endif
 114
 115 #endif /* MPLAYER_ASMMACROS_POWERPC_H */