1 /* 2 * Copyright (c) 2020 Intel Corporation. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #include <zephyr/kernel.h> 8 #include <zephyr/sys_clock.h> 9 #include <zephyr/timing/timing.h> 10 arch_timing_init(void)11void arch_timing_init(void) 12 { 13 } 14 arch_timing_start(void)15void arch_timing_start(void) 16 { 17 } 18 arch_timing_stop(void)19void arch_timing_stop(void) 20 { 21 } 22 arch_timing_counter_get(void)23timing_t arch_timing_counter_get(void) 24 { 25 return k_cycle_get_32(); 26 } 27 arch_timing_cycles_get(volatile timing_t * const start,volatile timing_t * const end)28uint64_t arch_timing_cycles_get(volatile timing_t *const start, 29 volatile timing_t *const end) 30 { 31 return (*end - *start); 32 } 33 34 arch_timing_freq_get(void)35uint64_t arch_timing_freq_get(void) 36 { 37 return sys_clock_hw_cycles_per_sec(); 38 } 39 arch_timing_cycles_to_ns(uint64_t cycles)40uint64_t arch_timing_cycles_to_ns(uint64_t cycles) 41 { 42 return k_cyc_to_ns_floor64(cycles); 43 } 44 arch_timing_cycles_to_ns_avg(uint64_t cycles,uint32_t count)45uint64_t arch_timing_cycles_to_ns_avg(uint64_t cycles, uint32_t count) 46 { 47 return arch_timing_cycles_to_ns(cycles) / count; 48 } 49 arch_timing_freq_get_mhz(void)50uint32_t arch_timing_freq_get_mhz(void) 51 { 52 return (uint32_t)(arch_timing_freq_get() / 1000000U); 53 } 54