xorg-server-1.4/hw/xfree86/int10/xf86int10module.c

   1 /*
   2  *                   XFree86 int10 module
   3  *   execute BIOS int 10h calls in x86 real mode environment
   4  *                 Copyright 1999 Egbert Eich
   5  */
   6 #ifdef HAVE_XORG_CONFIG_H
   7 #include <xorg-config.h>
   8 #endif
   9
  10 #include "xf86.h"
  11 #include "xf86str.h"
  12 #include "xf86Pci.h"
  13 #include "xf86int10.h"
  14
  15 #ifndef MOD_NAME
  16 # define MOD_NAME int10
  17 #endif
  18
  19 #define stringify(x) #x
  20 #define STRING(x) stringify(x)
  21 #define concat(x,y) x ## y
  22 #define combine(a,b) concat(a,b)
  23 #define NAME(x) combine(MOD_NAME,x)
  24
  25 static MODULESETUPPROTO(NAME(Setup));
  26
  27 static XF86ModuleVersionInfo NAME(VersRec) =
  28 {
  29     STRING(NAME( )),
  30     MODULEVENDORSTRING,
  31     MODINFOSTRING1,
  32     MODINFOSTRING2,
  33     XORG_VERSION_CURRENT,
  34     1, 0, 0,
  35     ABI_CLASS_VIDEODRV,         /* needs the video driver ABI */
  36     ABI_VIDEODRV_VERSION,
  37     MOD_CLASS_NONE,
  38     {0,0,0,0}
  39 };
  40
  41 _X_EXPORT XF86ModuleData NAME(ModuleData) = {
  42     &NAME(VersRec),
  43     NAME(Setup),
  44     NULL
  45 };
  46
  47 static pointer
  48 NAME(Setup)(pointer module, pointer opts, int *errmaj, int *errmin)
  49 {
  50     static Bool setupDone = FALSE;
  51
  52     if (!setupDone) {
  53         setupDone = TRUE;
  54         /*
  55          * Tell the loader about symbols from other modules that this module
  56          * might refer to.
  57          */
  58     }
  59     /*
  60      * The return value must be non-NULL on success even though there
  61      * is no TearDownProc.
  62      */
  63     return (pointer)1;
  64 }