timex.h
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上传日期:2013-04-10
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- #ifndef _ASM_IA64_TIMEX_H
- #define _ASM_IA64_TIMEX_H
- /*
- * Copyright (C) 1998-2001 Hewlett-Packard Co
- * Copyright (C) 1998-2001 David Mosberger-Tang <davidm@hpl.hp.com>
- */
- /*
- * 2001/01/18 davidm Removed CLOCK_TICK_RATE. It makes no sense on IA-64.
- * Also removed cacheflush_time as it's entirely unused.
- */
- typedef unsigned long cycles_t;
- static inline cycles_t
- get_cycles (void)
- {
- cycles_t ret;
- __asm__ __volatile__ ("mov %0=ar.itc" : "=r"(ret));
- return ret;
- }
- #define vxtime_lock() do {} while (0)
- #define vxtime_unlock() do {} while (0)
- #endif /* _ASM_IA64_TIMEX_H */