diff options
| -rw-r--r-- | hw/xfree86/os-support/linux/lnx_video.c | 62 |
1 files changed, 5 insertions, 57 deletions
diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c index a81656053..0bc99b038 100644 --- a/hw/xfree86/os-support/linux/lnx_video.c +++ b/hw/xfree86/os-support/linux/lnx_video.c @@ -604,73 +604,21 @@ xf86DisableIO(void) return; } - -/***************************************************************************/ -/* Interrupt Handling section */ -/***************************************************************************/ - -/* XXX The #ifdefs should be made simpler. */ +/* + * Don't use these two functions. They can't possibly work. If you actually + * need interrupts off for something, you ought to be doing it in the kernel + * anyway. + */ _X_EXPORT Bool xf86DisableInterrupts() { -#if !defined(__mc68000__) && !defined(__powerpc__) && !defined(__sparc__) && !defined(__mips__) && !defined(__ia64__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) - if (!ExtendedEnabled) - if (iopl(3) || ioperm(0, 1024, 1)) - return (FALSE); -#endif -#if defined(__alpha__) || defined(__mc68000__) || defined(__powerpc__) || defined(__sparc__) || defined(__mips__) || defined(__arm__) || defined(__sh__) || defined(__ia64__) || defined(__hppa__) || defined(__s390__) -#else -# ifdef __GNUC__ -# if defined(__ia64__) -# if 0 - __asm__ __volatile__ (";; rsm psr.i;; srlz.d" ::: "memory"); -# endif -# else - __asm__ __volatile__("cli"); -# endif -# else - asm("cli"); -# endif -#endif -#if !defined(__mc68000__) && !defined(__powerpc__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__ia64__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) - if (!ExtendedEnabled) { - iopl(0); - ioperm(0, 1024, 0); - } - -#endif return (TRUE); } _X_EXPORT void xf86EnableInterrupts() { -#if !defined(__mc68000__) && !defined(__powerpc__) && !defined(__sparc__) && !defined(__mips__) && !defined(__ia64__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) - if (!ExtendedEnabled) - if (iopl(3) || ioperm(0, 1024, 1)) - return; -#endif -#if defined(__alpha__) || defined(__mc68000__) || defined(__powerpc__) || defined(__sparc__) || defined(__mips__) || defined(__arm__) || defined(__sh__) || defined(__ia64__) || defined(__hppa__) || defined(__s390__) -#else -# ifdef __GNUC__ -# if defined(__ia64__) -# if 0 - __asm__ __volatile__ (";; ssm psr.i;; srlz.d" ::: "memory"); -# endif -# else - __asm__ __volatile__("sti"); -# endif -# else - asm("sti"); -# endif -#endif -#if !defined(__mc68000__) && !defined(__powerpc__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__ia64__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) - if (!ExtendedEnabled) { - iopl(0); - ioperm(0, 1024, 0); - } -#endif return; } |