atmosphere/exosphere/bpmpfw/src/timer.h

#ifndef EXOSPHERE_BPMPFW_TIMER_H
#define EXOSPHERE_BPMPFW_TIMER_H

#include "utils.h"

#define TIMERUS_CNTR_1US_0 MAKE_REG32(0x60005010)

static inline void timer_wait(uint32_t microseconds) {
    uint32_t old_time = TIMERUS_CNTR_1US_0;
    while (TIMERUS_CNTR_1US_0 - old_time <= microseconds) {
        /* Spin-lock. */
    }
}

void spinlock_wait(uint32_t count);

#endif