hw/xfree86/os-support/solaris/sun_inout.s

   1 / $XFree86: xc/programs/Xserver/hw/xfree86/os-support/sunos/sun_inout.s,v 1.1 2001/05/28 02:42:31 tsi Exp $
   2 /
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  27 /
  28 / File: sun_inout.s
  29 /
  30 / Purpose: Provide inb(), inw(), inl(), outb(), outw(), outl() functions
  31 /          for Solaris x86 using the ProWorks compiler by SunPro
  32 /
  33 / Author:  Installed into XFree86 SuperProbe by Doug Anson (danson@lgc.com)
  34 /          Portions donated to XFree86 by Steve Dever (Steve.Dever@Eng.Sun.Com)
  35 /
  36 / Synopsis: (c callable external declarations)
  37 /          extern unsigned char inb(int port);
  38 /          extern unsigned short inw(int port);
  39 /          extern unsigned long inl(int port);
  40 /          extern void outb(int port, unsigned char value);
  41 /          extern void outw(int port, unsigned short value);
  42 /          extern void outl(int port, unsigned long value);
  43 /
  44
  45 .file "sunos_inout.s"
  46 .text
  47
  48 .globl  inb
  49 .globl  inw
  50 .globl  inl
  51 .globl  outb
  52 .globl  outw
  53 .globl  outl
  54
  55 /
  56 / unsigned char inb(int port);
  57 /
  58 .align  4
  59 inb:
  60         movl 4(%esp),%edx
  61         subl %eax,%eax
  62         inb  (%dx)
  63         ret
  64 .type   inb,@function
  65 .size   inb,.-inb
  66
  67 /
  68 / unsigned short inw(int port);
  69 /
  70 .align  4
  71 inw:
  72         movl 4(%esp),%edx
  73         subl %eax,%eax
  74         inw  (%dx)
  75         ret
  76 .type   inw,@function
  77 .size   inw,.-inw
  78
  79 /
  80 / unsigned long inl(int port);
  81 /
  82 .align  4
  83 inl:
  84         movl 4(%esp),%edx
  85         inl  (%dx)
  86         ret
  87 .type   inl,@function
  88 .size   inl,.-inl
  89
  90 /
  91 /     void outb(int port, unsigned char value);
  92 /
  93 .align  4
  94 outb:
  95         movl 4(%esp),%edx
  96         movl 8(%esp),%eax
  97         outb (%dx)
  98         ret
  99 .type   outb,@function
 100 .size   outb,.-outb
 101
 102 /
 103 /     void outw(int port, unsigned short value);
 104 /
 105 .align  4
 106 outw:
 107         movl 4(%esp),%edx
 108         movl 8(%esp),%eax
 109         outw (%dx)
 110         ret
 111 .type   outw,@function
 112 .size   outw,.-outw
 113
 114 /
 115 /     void outl(int port, unsigned long value);
 116 /
 117 .align  4
 118 outl:
 119         movl 4(%esp),%edx
 120         movl 8(%esp),%eax
 121         outl (%dx)
 122         ret
 123 .type   outl,@function
 124 .size   outl,.-outl