xorg-server-1.4/hw/xfree86/common/scoasm.h

   1
   2 /*
   3  * Copyright (c) 1996 by The XFree86 Project, Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Except as contained in this notice, the name of the copyright holder(s)
  24  * and author(s) shall not be used in advertising or otherwise to promote
  25  * the sale, use or other dealings in this Software without prior written
  26  * authorization from the copyright holder(s) and author(s).
  27  */
  28
  29 /*
  30  * scoasm.h - used to define inline versions of certain functions which
  31  * do NOT appear in sys/inline.h.
  32  */
  33 #ifdef HAVE_XORG_CONFIG_H
  34 #include <xorg-config.h>
  35 #endif
  36
  37 #if defined(__SCO__) && defined(__USLC__)
  38 #ifndef _SCOASM_HDR_INC
  39 #define _SCOASM_HDR_INC
  40
  41 asm     void outl(port,val)
  42 {
  43 %reg    port,val;
  44         movl    port, %edx
  45         movl    val, %eax
  46         outl    (%dx)
  47 %reg    port; mem       val;
  48         movl    port, %edx
  49         movl    val, %eax
  50         outl    (%dx)
  51 %mem    port; reg       val;
  52         movw    port, %dx
  53         movl    val, %eax
  54         outl    (%dx)
  55 %mem    port,val;
  56         movw    port, %dx
  57         movl    val, %eax
  58         outl    (%dx)
  59 }
  60
  61 asm     void outw(port,val)
  62 {
  63 %reg    port,val;
  64         movl    port, %edx
  65         movl    val, %eax
  66         data16
  67         outl    (%dx)
  68 %reg    port; mem       val;
  69         movl    port, %edx
  70         movw    val, %ax
  71         data16
  72         outl    (%dx)
  73 %mem    port; reg       val;
  74         movw    port, %dx
  75         movl    val, %eax
  76         data16
  77         outl    (%dx)
  78 %mem    port,val;
  79         movw    port, %dx
  80         movw    val, %ax
  81         data16
  82         outl    (%dx)
  83 }
  84
  85 asm     void outb(port,val)
  86 {
  87 %reg    port,val;
  88         movl    port, %edx
  89         movl    val, %eax
  90         outb    (%dx)
  91 %reg    port; mem       val;
  92         movl    port, %edx
  93         movb    val, %al
  94         outb    (%dx)
  95 %mem    port; reg       val;
  96         movw    port, %dx
  97         movl    val, %eax
  98         outb    (%dx)
  99 %mem    port,val;
 100         movw    port, %dx
 101         movb    val, %al
 102         outb    (%dx)
 103 }
 104
 105 asm     int inl(port)
 106 {
 107 %reg    port;
 108         movl    port, %edx
 109         inl     (%dx)
 110 %mem    port;
 111         movw    port, %dx
 112         inl     (%dx)
 113 }
 114
 115 asm     int inw(port)
 116 {
 117 %reg    port;
 118         subl    %eax, %eax
 119         movl    port, %edx
 120         data16
 121         inl     (%dx)
 122 %mem    port;
 123         subl    %eax, %eax
 124         movw    port, %dx
 125         data16
 126         inl     (%dx)
 127 }
 128
 129 asm     int inb(port)
 130 {
 131 %reg    port;
 132         subl    %eax, %eax
 133         movl    port, %edx
 134         inb     (%dx)
 135 %mem    port;
 136         subl    %eax, %eax
 137         movw    port, %dx
 138         inb     (%dx)
 139 }
 140
 141 #endif /* _SCOASM_HDR_INC */
 142 #endif /* __SCO__ && __USLC__ */