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/*
* Copyright (c) 2015, Linaro Limited
* Copyright (c) 2015, Texas Instruments Incorporated
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#define _POSIX_C_SOURCE 200809L
#include <odp/time.h>
#include <odp/hints.h>
#include <odp/plat/ti_mcsdk.h>
#include <odp_internal.h>
#define GIGA 1000000000
typedef struct time_data_s {
uint64_t rate;
double ns_to_tick;
odp_time_t start;
} time_data_t;
static time_data_t local_time;
static inline uint64_t time_local_res(void)
{
return local_time.rate;
}
static inline uint64_t time_global_res(void)
{
return time_local_res();
}
static inline odp_time_t time_diff_strict(odp_time_t t2, odp_time_t t1)
{
odp_time_t time;
if (odp_likely(t2.tick >= t1.tick))
time.tick = t2.tick - t1.tick;
else
time.tick = t2.tick + (UINT64_MAX - t1.tick) + 1;
time.type = t1.type;
return time;
}
static inline odp_time_t time_sum(odp_time_t t1, odp_time_t t2)
{
odp_time_t time;
time.type = t1.type;
time.tick = t1.tick + t2.tick;
return time;
}
static inline odp_time_t time_local(void)
{
odp_time_t time;
time.type = ODP_LOCAL_TIME;
time.tick = hplib_mUtilGetTimestamp();
return time_diff_strict(time, local_time.start);
}
static inline odp_time_t time_local_from_ns(uint64_t ns)
{
odp_time_t time;
time.tick = ns * local_time.ns_to_tick;
time.type = ODP_LOCAL_TIME;
return time;
}
static inline int time_cmp(odp_time_t t2, odp_time_t t1)
{
if (t1.tick < t2.tick)
return 1;
if (t1.tick > t2.tick)
return -1;
return 0;
}
static inline void time_wait_until(odp_time_t time)
{
odp_time_t cur;
do {
cur = time_local();
} while (time_cmp(time, cur) > 0);
}
odp_time_t odp_time_local(void)
{
return time_local();
}
odp_time_t odp_time_global(void)
{
return time_local();
}
odp_time_t odp_time_diff(odp_time_t t2, odp_time_t t1)
{
odp_time_t time;
time.tick = t2.tick - t1.tick;
time.type = t1.type;
return time;
}
uint64_t odp_time_to_ns(odp_time_t time)
{
return time.tick / local_time.ns_to_tick;
}
odp_time_t odp_time_local_from_ns(uint64_t ns)
{
return time_local_from_ns(ns);
}
odp_time_t odp_time_global_from_ns(uint64_t ns)
{
return time_local_from_ns(ns);
}
int odp_time_cmp(odp_time_t t2, odp_time_t t1)
{
return time_cmp(t2, t1);
}
odp_time_t odp_time_sum(odp_time_t t1, odp_time_t t2)
{
return time_sum(t1, t2);
}
void odp_time_wait_ns(uint64_t ns)
{
odp_time_t cur = time_local();
odp_time_t wait = time_local_from_ns(ns);
odp_time_t end_time = time_sum(cur, wait);
time_wait_until(end_time);
}
void odp_time_wait_until(odp_time_t time)
{
return time_wait_until(time);
}
uint64_t odp_time_local_res(void)
{
return time_local_res();
}
uint64_t odp_time_global_res(void)
{
return time_global_res();
}
uint64_t odp_time_to_u64(odp_time_t time)
{
return time.tick;
}
int odp_time_global_init(void)
{
local_time.rate = hplib_mUtilGetTicksPerSec();
local_time.ns_to_tick = (double)local_time.rate / GIGA;
local_time.start.type = ODP_LOCAL_TIME;
local_time.start.tick = hplib_mUtilGetTimestamp();
return 0;
}
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