include/native/timer.h

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#ifndef _XENO_TIMER_H
#define _XENO_TIMER_H

#include <native/types.h>

#define TM_ONESHOT XN_APERIODIC_TICK

typedef struct rt_timer_info {

    RTIME period;       /* !< Current status (unset, aperiodic, period). */
    RTIME date;         /* !< Current wallclock time. */
    RTIME tsc;          /* !< Current tsc count. */

} RT_TIMER_INFO;

#if defined(__KERNEL__) || defined(__XENO_SIM__)

#include <nucleus/timer.h>

extern xntbase_t *__native_tbase;

#endif /* __KERNEL__ || __XENO_SIM__ */

#ifdef __cplusplus
extern "C" {
#endif

#if defined(__KERNEL__)  || defined(__XENO_SIM__)
static inline SRTIME rt_timer_ns2tsc(SRTIME ns)
{
        return xnarch_ns_to_tsc(ns);
}

static inline SRTIME rt_timer_tsc2ns(SRTIME ticks)
{
        return xnarch_tsc_to_ns(ticks);
}

static inline RTIME rt_timer_tsc(void)
{
        return xnarch_get_cpu_tsc();
}

static inline RTIME rt_timer_read(void)
{
        return xntbase_get_time(__native_tbase);
}

static inline SRTIME rt_timer_ns2ticks(SRTIME ns)
{
        return xntbase_ns2ticks(__native_tbase, ns);
}

static inline SRTIME rt_timer_ticks2ns(SRTIME ticks)
{
        return xntbase_ticks2ns(__native_tbase, ticks);
}

#else /* !(__KERNEL__ || __XENO_SIM__) */

SRTIME rt_timer_ns2tsc(SRTIME ns);

SRTIME rt_timer_tsc2ns(SRTIME ticks);

RTIME rt_timer_tsc(void);

RTIME rt_timer_read(void);

SRTIME rt_timer_ns2ticks(SRTIME ns);

SRTIME rt_timer_ticks2ns(SRTIME ticks);

#endif /* !(__KERNEL__ || __XENO_SIM__) */

int rt_timer_inquire(RT_TIMER_INFO *info);

RTIME rt_timer_read(void);

void rt_timer_spin(RTIME ns);

int rt_timer_set_mode(RTIME nstick);

static inline int __deprecated_call__
rt_timer_start(RTIME nstick __attribute__((unused)))
{
    return 0;
}

static inline void __deprecated_call__ rt_timer_stop(void)
{
}

#ifdef __cplusplus
}
#endif

#endif /* !_XENO_TIMER_H */

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