rt-thread-official/components/lwp/arch/aarch64/common/vdso_data.c

35 lines
872 B
C

/*
* Copyright (c) 2006-2024 RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-07-04 rcitach init ver.
*/
#include <rtthread.h>
#include <gtimer.h>
#include <ktime.h>
#include <time.h>
#include <vdso_datapage.h>
#include <vdso_data.h>
void rt_vdso_update_glob_time(void)
{
struct vdso_data *vdata = get_k_vdso_data();
struct timespec *vdso_ts;
uint64_t initdata = vdata->realtime_initdata;
rt_vdso_write_begin(vdata);
vdso_ts = &vdata[CS_HRES_COARSE].basetime[CLOCK_REALTIME];
rt_ktime_boottime_get_ns(vdso_ts);
vdso_ts->tv_sec = initdata + vdso_ts->tv_sec;
vdso_ts = &vdata[CS_HRES_COARSE].basetime[CLOCK_MONOTONIC];
rt_ktime_boottime_get_ns(vdso_ts);
vdata->cycle_last = rt_hw_get_cntpct_val();
rt_vdso_write_end(vdata);
}