static int my_nanosleep(struct timespec *ts){
uint64_t freq = 600000000ULL;
uint64_t tdiff = (ts->tv_sec * freq) + ((ts->tv_nsec * freq) / 1000000000ULL);
uint64_t now = __k1_read_dsu_timestamp();
while(now + tdiff > __k1_read_dsu_timestamp())
__k1_cpu_backoff(1000);
return 0;
}
static int my_nanosleep(struct timespec *ts){
uint64_t freq = __bsp_frequency;
uint64_t tdiff = (ts->tv_sec * freq) + ((ts->tv_nsec * freq) / 1000000000ULL);
#ifdef MAGIC_SCALL
uint64_t divisor = __k1_read_dsu_timestamp_divisor();
uint64_t dsu_ts = __k1_read_dsu_timestamp();
uint64_t cc = dsu_ts * divisor;
uint64_t target = cc + tdiff;;
return __k1_syscall2(MAGIC_SCALL_SLEEP, target & 0xffffffffULL, target >> 32);
#else
while(tdiff > INT32_MAX){
__k1_cpu_backoff(INT32_MAX);
tdiff -= INT32_MAX;
}
__k1_cpu_backoff(tdiff);
return 0;
#endif
}