blob: 8e43ed777e3e320798a773b5ff85c117e1515b36 [file] [log] [blame]
/*
* Copyright (c) 2017 Oticon A/S
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "zephyr/types.h"
#include "fake_timer.h"
#include "time_machine.h"
#include "posix_soc_if.h"
#if defined(CONFIG_ARCH_HAS_CUSTOM_BUSY_WAIT)
/**
* Replacement to the kernel k_busy_wait()
* Will block this thread (and therefore the whole zephyr) during usec_to_wait
*
* Note that interrupts may be received in the meanwhile and that therefore this
* thread may lose context
*/
void z_arch_busy_wait(u32_t usec_to_wait)
{
bs_time_t time_end = tm_get_hw_time() + usec_to_wait;
while (tm_get_hw_time() < time_end) {
/*There may be wakes due to other interrupts*/
fake_timer_wake_in_time(time_end);
posix_halt_cpu();
}
}
#endif