mirror of https://github.com/mpv-player/mpv
34 lines
681 B
C
34 lines
681 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/console.h>
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#include <sys/param.h>
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#include <sys/immu.h>
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#include <sys/region.h>
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#include <sys/proc.h>
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#include <sys/tss.h>
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#include <sys/sysi86.h>
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#include <sys/v86.h>
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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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