| * linux/include/asm-alpha/timex.h |
| * ALPHA architecture timex specifications |
| #ifndef _ASMALPHA_TIMEX_H |
| #define _ASMALPHA_TIMEX_H |
| /* With only one or two oddballs, we use the RTC as the ticker, selecting |
| the 32.768kHz reference clock, which nicely divides down to our HZ. */ |
| #define CLOCK_TICK_RATE 32768 |
| * 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) |
| __asm__ __volatile__ ("rpcc %0" : "=r"(ret)); |