diff options
Diffstat (limited to 'platform/linux-generic/odp_time.c')
| -rw-r--r-- | platform/linux-generic/odp_time.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/platform/linux-generic/odp_time.c b/platform/linux-generic/odp_time.c deleted file mode 100644 index 3498008f1..000000000 --- a/platform/linux-generic/odp_time.c +++ /dev/null @@ -1,215 +0,0 @@ -/* Copyright (c) 2013-2018, Linaro Limited - * All rights reserved. - * - * SPDX-License-Identifier: BSD-3-Clause - */ - -#include <odp_posix_extensions.h> - -#include <time.h> -#include <string.h> -#include <inttypes.h> - -#include <odp/api/time.h> -#include <odp/api/hints.h> -#include <odp_debug_internal.h> -#include <odp_init_internal.h> -#include <odp/api/plat/time_inlines.h> - -ODP_STATIC_ASSERT(_ODP_TIMESPEC_SIZE >= (sizeof(struct timespec)), - "_ODP_TIMESPEC_SIZE too small"); - -#include <odp/visibility_begin.h> - -_odp_time_global_t _odp_time_glob; - -/* - * Posix timespec based functions - */ - -static inline uint64_t time_spec_diff_nsec(struct timespec *t2, - struct timespec *t1) -{ - struct timespec diff; - uint64_t nsec; - - diff.tv_sec = t2->tv_sec - t1->tv_sec; - diff.tv_nsec = t2->tv_nsec - t1->tv_nsec; - - if (diff.tv_nsec < 0) { - diff.tv_nsec += ODP_TIME_SEC_IN_NS; - diff.tv_sec -= 1; - } - - nsec = (diff.tv_sec * ODP_TIME_SEC_IN_NS) + diff.tv_nsec; - - return nsec; -} - -odp_time_t _odp_timespec_cur(void) -{ - int ret; - odp_time_t time; - struct timespec sys_time; - struct timespec *start_time; - - start_time = (struct timespec *)(uintptr_t)&_odp_time_glob.timespec; - - ret = clock_gettime(CLOCK_MONOTONIC_RAW, &sys_time); - if (odp_unlikely(ret != 0)) - _ODP_ABORT("clock_gettime failed\n"); - - time.nsec = time_spec_diff_nsec(&sys_time, start_time); - - return time; -} - -#include <odp/visibility_end.h> - -static inline uint64_t time_spec_res(void) -{ - int ret; - struct timespec tres; - - ret = clock_getres(CLOCK_MONOTONIC_RAW, &tres); - if (odp_unlikely(ret != 0)) - _ODP_ABORT("clock_getres failed\n"); - - return ODP_TIME_SEC_IN_NS / (uint64_t)tres.tv_nsec; -} - -static inline odp_time_t time_spec_from_ns(uint64_t ns) -{ - odp_time_t time; - - time.nsec = ns; - - return time; -} - -/* - * HW time counter based functions - */ - -static inline uint64_t time_hw_res(void) -{ - return _odp_time_glob.hw_freq_hz; -} - -static inline odp_time_t time_hw_from_ns(uint64_t ns) -{ - odp_time_t time; - uint64_t count; - uint64_t freq_hz = _odp_time_glob.hw_freq_hz; - uint64_t sec = 0; - - if (ns >= ODP_TIME_SEC_IN_NS) { - sec = ns / ODP_TIME_SEC_IN_NS; - ns = ns - sec * ODP_TIME_SEC_IN_NS; - } - - count = sec * freq_hz; - count += (ns * freq_hz) / ODP_TIME_SEC_IN_NS; - - time.count = count; - - return time; -} - -/* - * Common functions - */ - -static inline uint64_t time_res(void) -{ - if (_odp_time_glob.use_hw) - return time_hw_res(); - - return time_spec_res(); -} - -static inline odp_time_t time_from_ns(uint64_t ns) -{ - if (_odp_time_glob.use_hw) - return time_hw_from_ns(ns); - - return time_spec_from_ns(ns); -} - -static inline void time_wait_until(odp_time_t time) -{ - odp_time_t cur; - - do { - cur = _odp_time_cur(); - } while (odp_time_cmp(time, cur) > 0); -} - -odp_time_t odp_time_local_from_ns(uint64_t ns) -{ - return time_from_ns(ns); -} - -odp_time_t odp_time_global_from_ns(uint64_t ns) -{ - return time_from_ns(ns); -} - -uint64_t odp_time_local_res(void) -{ - return time_res(); -} - -uint64_t odp_time_global_res(void) -{ - return time_res(); -} - -void odp_time_wait_ns(uint64_t ns) -{ - odp_time_t cur = _odp_time_cur(); - odp_time_t wait = time_from_ns(ns); - odp_time_t end_time = odp_time_sum(cur, wait); - - time_wait_until(end_time); -} - -void odp_time_wait_until(odp_time_t time) -{ - time_wait_until(time); -} - -int _odp_time_init_global(void) -{ - struct timespec *timespec; - int ret = 0; - _odp_time_global_t *global = &_odp_time_glob; - - memset(global, 0, sizeof(_odp_time_global_t)); - - if (_odp_cpu_has_global_time()) { - global->use_hw = 1; - global->hw_freq_hz = _odp_cpu_global_time_freq(); - - if (global->hw_freq_hz == 0) - return -1; - - _ODP_PRINT("HW time counter freq: %" PRIu64 " hz\n\n", global->hw_freq_hz); - - global->hw_start = _odp_cpu_global_time(); - return 0; - } - - timespec = (struct timespec *)(uintptr_t)global->timespec; - timespec->tv_sec = 0; - timespec->tv_nsec = 0; - - ret = clock_gettime(CLOCK_MONOTONIC_RAW, timespec); - - return ret; -} - -int _odp_time_term_global(void) -{ - return 0; -} |