coreboot-kgpe-d16/src/lib/timer.c

25 lines
486 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
#include <timer.h>
#include <delay.h>
#include <thread.h>
__weak void init_timer(void) { /* do nothing */ }
void udelay(unsigned int usec)
{
struct stopwatch sw;
/*
* As the timer granularity is in microseconds pad the
* requested delay by one to get at least >= requested usec delay.
*/
usec += 1;
if (!thread_yield_microseconds(usec))
return;
stopwatch_init_usecs_expire(&sw, usec);
stopwatch_wait_until_expired(&sw);
}