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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-alpha/] [timex.h] - Rev 1275
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/* * linux/include/asm-alpha/timex.h * * ALPHA architecture timex specifications */ #ifndef _ASMALPHA_TIMEX_H #define _ASMALPHA_TIMEX_H #define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ /* * Standard way to access the cycle counter. * Currently only used on SMP for scheduling. * * Only the low 32 bits are available as a continuously counting entity. * But this only means we'll force a reschedule every 8 seconds or so, * which isn't an evil thing. */ typedef unsigned int cycles_t; static inline cycles_t get_cycles (void) { cycles_t ret; __asm__ __volatile__ ("rpcc %0" : "=r"(ret)); return ret; } #define vxtime_lock() do {} while (0) #define vxtime_unlock() do {} while (0) #endif
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