lib/i386-io-windows.h

   1 /*
   2  *      The PCI Library -- Access to i386 I/O ports on Windows
   3  *
   4  *      Copyright (c) 2004 Alexander Stock <stock.alexander@gmx.de>
   5  *      Copyright (c) 2006 Martin Mares <mj@ucw.cz>
   6  *
   7  *      Can be freely distributed and used under the terms of the GNU GPL.
   8  */
   9
  10 #include <io.h>
  11 #include <windows.h>
  12
  13 #ifndef __GNUC__
  14 #include <conio.h>
  15 #else
  16 int _outp(unsigned short port, int databyte);
  17 unsigned short _outpw(unsigned short port, unsigned short dataword);
  18 unsigned long _outpd(unsigned short port, unsigned long dataword);
  19 int _inp(unsigned short port);
  20 unsigned short _inpw(unsigned short port);
  21 unsigned long _inpd(unsigned short port);
  22 #endif
  23
  24 #define outb(x,y) _outp(y,x)
  25 #define outw(x,y) _outpw(y,x)
  26 #define outl(x,y) _outpd(y,x)
  27
  28 #define inb(x) _inp(x)
  29 #define inw(x) _inpw(x)
  30 #define inl(x) _inpd(x)
  31
  32 static int
  33 intel_setup_io(struct pci_access *a)
  34 {
  35   typedef int (*MYPROC)(void);
  36   MYPROC InitializeWinIo;
  37   HMODULE lib;
  38
  39   lib = LoadLibrary("WinIo.dll");
  40   if (!lib)
  41     {
  42       a->warning("i386-io-windows: Couldn't load WinIo.dll.");
  43       return 0;
  44     }
  45   /* XXX: Is this really needed? --mj */
  46   GetProcAddress(lib, "InitializeWinIo");
  47
  48   InitializeWinIo = (MYPROC) GetProcAddress(lib, "InitializeWinIo");
  49   if (!InitializeWinIo)
  50     {
  51       a->warning("i386-io-windows: Couldn't find InitializeWinIo function.");
  52       return 0;
  53     }
  54
  55   if (!InitializeWinIo())
  56     {
  57       a->warning("i386-io-windows: InitializeWinIo() failed.");
  58       return 0;
  59     }
  60
  61   return 1;
  62 }
  63
  64 static inline int
  65 intel_cleanup_io(struct pci_access *a UNUSED)
  66 {
  67   //TODO: DeInitializeWinIo!
  68   return 1;
  69 }
  70
  71 static inline void intel_io_lock(void)
  72 {
  73 }
  74
  75 static inline void intel_io_unlock(void)
  76 {
  77 }