diff options
Diffstat (limited to 'include/asm-i386/timex.h')
| -rw-r--r-- | include/asm-i386/timex.h | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/include/asm-i386/timex.h b/include/asm-i386/timex.h deleted file mode 100644 index 292b5a68f62..00000000000 --- a/include/asm-i386/timex.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * linux/include/asm-i386/timex.h - * - * i386 architecture timex specifications - */ -#ifndef _ASMi386_TIMEX_H -#define _ASMi386_TIMEX_H - -#include <linux/config.h> -#include <asm/processor.h> - -#ifdef CONFIG_X86_ELAN -# define CLOCK_TICK_RATE 1189200 /* AMD Elan has different frequency! */ -#else -# define CLOCK_TICK_RATE 1193182 /* Underlying HZ */ -#endif - - -/* - * Standard way to access the cycle counter on i586+ CPUs. - * Currently only used on SMP. - * - * If you really have a SMP machine with i486 chips or older, - * compile for that, and this will just always return zero. - * That's ok, it just means that the nicer scheduling heuristics - * won't work for you. - * - * We only use the low 32 bits, and we'd simply better make sure - * that we reschedule before that wraps. Scheduling at least every - * four billion cycles just basically sounds like a good idea, - * regardless of how fast the machine is. - */ -typedef unsigned long long cycles_t; - -static inline cycles_t get_cycles (void) -{ - unsigned long long ret=0; - -#ifndef CONFIG_X86_TSC - if (!cpu_has_tsc) - return 0; -#endif - -#if defined(CONFIG_X86_GENERIC) || defined(CONFIG_X86_TSC) - rdtscll(ret); -#endif - return ret; -} - -extern unsigned int cpu_khz; - -extern int read_current_timer(unsigned long *timer_value); -#define ARCH_HAS_READ_CURRENT_TIMER 1 - -#endif |
