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/* Copyright (c) 2013-2018, Linaro Limited
* Copyright (c) 2021-2024, Nokia
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <odp/api/plat/time_inlines.h>
#include <odp_debug_internal.h>
#include <odp_init_internal.h>
#include <rte_config.h>
#include <rte_cycles.h>
#include <inttypes.h>
#include <string.h>
#define YEAR_IN_SEC (365 * 24 * 3600)
#include <odp/visibility_begin.h>
_odp_time_global_t _odp_time_glob;
#include <odp/visibility_end.h>
int _odp_time_init_global(void)
{
uint64_t diff, years;
odp_time_t time;
memset(&_odp_time_glob, 0, sizeof(_odp_time_global_t));
#ifdef RTE_LIBEAL_USE_HPET
if (rte_eal_hpet_init(1) != 0)
_ODP_WARN("HPET init failed. Using TSC time.\n");
#endif
_odp_time_glob.freq_hz = rte_get_timer_hz();
_odp_time_glob.start_cycles = rte_get_timer_cycles();
if (_odp_time_glob.start_cycles == 0) {
_ODP_ERR("Initializing start cycles failed.\n");
return -1;
}
time.u64 = _odp_time_glob.start_cycles;
_odp_time_glob.start_ns = _odp_time_to_ns(time);
/* Make sure that counters will not wrap */
diff = UINT64_MAX - _odp_time_glob.start_cycles;
years = (diff / _odp_time_glob.freq_hz) / YEAR_IN_SEC;
if (years < 10) {
_ODP_ERR("Time counter would wrap in 10 years: %" PRIu64 "\n",
_odp_time_glob.start_cycles);
return -1;
}
diff = UINT64_MAX - _odp_time_glob.start_ns;
years = (diff / ODP_TIME_SEC_IN_NS) / YEAR_IN_SEC;
if (years < 10) {
_ODP_ERR("Time in nsec would wrap in 10 years: %" PRIu64 "\n",
_odp_time_glob.start_ns);
return -1;
}
return 0;
}
int _odp_time_term_global(void)
{
return 0;
}
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