diff options
Diffstat (limited to 'test/monniaux/cycles.h')
| -rw-r--r-- | test/monniaux/cycles.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/test/monniaux/cycles.h b/test/monniaux/cycles.h index c7dc582b..5011b18c 100644 --- a/test/monniaux/cycles.h +++ b/test/monniaux/cycles.h @@ -45,11 +45,16 @@ static inline cycle_t get_cycle(void) { return cycles; } -#elif defined (__ARM_ARCH) && (__ARM_ARCH >= 6) +#elif defined (__ARM_ARCH) // && (__ARM_ARCH >= 6) #if (__ARM_ARCH < 8) typedef uint32_t cycle_t; #define PRcycle PRId32 +#ifdef ARM_NO_PRIVILEGE +static inline cycle_t get_cycle(void) { + return 0; +} +#else /* need this kernel module https://github.com/zertyz/MTL/tree/master/cpp/time/kernel/arm */ static inline cycle_t get_cycle(void) { @@ -57,14 +62,20 @@ static inline cycle_t get_cycle(void) { __asm__ volatile ("mrc p15, 0, %0, c9, c13, 0":"=r" (cycles)); return cycles; } +#endif #else #define PRcycle PRId64 typedef uint64_t cycle_t; + +#ifdef ARM_NO_PRIVILEGE +static inline cycle_t get_cycle(void) { + return 0; +} +#else /* need this kernel module: https://github.com/jerinjacobk/armv8_pmu_cycle_counter_el0 on 5+ kernels, remove first argument of access_ok macro */ - static inline cycle_t get_cycle(void) { uint64_t val; @@ -72,6 +83,7 @@ static inline cycle_t get_cycle(void) return val; } #endif +#endif #else #define PRcycle PRId32 |