mirror of
https://github.com/mpv-player/mpv
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8fb85ec880
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4179 b3059339-0415-0410-9bf9-f77b7e298cf2
43 lines
775 B
C
43 lines
775 B
C
/*
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This file is based on:
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$XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $
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Modified for readability by Nick Kurshev
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*/
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#include <sys/types.h>
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#include <sys/proc.h>
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#include <sys/tss.h>
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#if defined(NCR)
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#define __STDC
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#include <sys/sysi86.h>
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#undef __STDC
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#else
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#include <sys/sysi86.h>
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#endif
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#if defined(sun)
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# ifndef __EXTENSIONS__
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# define __EXTENSIONS__
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# endif
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# include <sys/psw.h>
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#endif
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static __inline__ int enable_os_io(void)
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{
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#if defined(SI86IOPL)
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sysi86(SI86IOPL, 3);
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#else
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sysi86(SI86V86, V86SC_IOPL, PS_IOPL);
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#endif
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return(0);
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}
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static __inline__ int disable_os_io(void)
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{
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#if defined(SI86IOPL)
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sysi86(SI86IOPL, 0);
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#else
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sysi86(SI86V86, V86SC_IOPL, 0);
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#endif
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return(0);
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}
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