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/* Copyright 2018 SiFive, Inc */
/* SPDX-License-Identifier: Apache-2.0 */
#ifndef METAL__TIMER_H
#define METAL__TIMER_H
/*!
* @file timer.h
* @brief API for reading and manipulating the machine timer
*/
/*!
* @brief Read the machine cycle count
* @param hartid The hart ID to read the cycle count of
* @param cyclecount The variable to hold the value
* @return 0 upon success
*/
int metal_timer_get_cyclecount(int hartid, unsigned long long *cyclecount);
/*!
* @brief Get the machine timebase frequency
* @param hartid The hart ID to read the timebase of
* @param timebase The variable to hold the value
* @return 0 upon success
*/
int metal_timer_get_timebase_frequency(int hartid,
unsigned long long *timebase);
/*!
* @brief Set the machine timer tick interval in seconds
* @param hartid The hart ID to read the timebase of
* @param second The number of seconds to set the tick interval to
* @return 0 upon success
*/
int metal_timer_set_tick(int hartid, int second);
#endif
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