41 lines
869 B
C
41 lines
869 B
C
#ifndef ARCH_IA64_H
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#define ARCH_IA64_H
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#define FIO_ARCH (arch_ia64)
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#define nop asm volatile ("hint @pause" ::: "memory");
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#define read_barrier() asm volatile ("mf" ::: "memory")
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#define write_barrier() asm volatile ("mf" ::: "memory")
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#define ia64_popcnt(x) \
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({ \
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unsigned long ia64_intri_res; \
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asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \
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ia64_intri_res; \
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})
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static inline unsigned long arch_ffz(unsigned long bitmask)
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{
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return ia64_popcnt(bitmask & (~bitmask - 1));
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}
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static inline unsigned long long get_cpu_clock(void)
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{
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unsigned long long ret;
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__asm__ __volatile__("mov %0=ar.itc" : "=r" (ret) : : "memory");
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return ret;
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}
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#define ARCH_HAVE_INIT
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extern int tsc_reliable;
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static inline int arch_init(char *envp[])
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{
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tsc_reliable = 1;
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return 0;
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}
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#define ARCH_HAVE_FFZ
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#define ARCH_HAVE_CPU_CLOCK
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#endif
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