1#ifdef __NetBSD__
2#  include <sys/types.h>
3#  include <machine/pio.h>
4#  include <machine/sysarch.h>
5#else
6#  if defined(__linux__)
7/* Can't because <sys/iopl.h> provides conflicting inb, outb, etc
8 * #    include <sys/io.h>
9 */
10int iopl(int level);
11#  endif
12#  if defined(SVR4) && defined(i386) && defined(sun)
13#    include <sys/types.h>
14#    include <sys/sysi86.h>
15#    include <sys/v86.h>
16#    include <sys/psw.h>
17#  endif
18#  include "AsmMacros.h"
19#endif /* NetBSD */
20
21#include <unistd.h>
22#include <stdio.h>
23#include <stdlib.h>
24
25#ifdef __NetBSD__
26#  define SET_IOPL() i386_iopl(3)
27#  define RESET_IOPL() i386_iopl(0)
28#else
29#  if defined(SVR4) && defined(i386)
30#    ifndef SI86IOPL
31#      define SET_IOPL() sysi86(SI86V86,V86SC_IOPL,PS_IOPL)
32#      define RESET_IOPL() sysi86(SI86V86,V86SC_IOPL,0)
33#    else
34#      define SET_IOPL() sysi86(SI86IOPL,3)
35#      define RESET_IOPL() sysi86(SI86IOPL,0)
36#    endif
37#  else
38#    ifdef linux
39#      define SET_IOPL() iopl(3)
40#      define RESET_IOPL() iopl(0)
41#    else
42#      define SET_IOPL() (void)0
43#      define RESET_IOPL() (void)0
44#    endif
45#  endif
46#endif
47