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/*************************************************************************** |
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timer.c |
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Functions needed to generate timing and synchronization between several |
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CPUs. |
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***************************************************************************/ |
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#ifndef __TIMER_H__ |
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#define __TIMER_H__ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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extern double cycles_to_sec[]; |
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extern double sec_to_cycles[]; |
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#define TIME_IN_HZ(hz) (1.0 / (double)(hz)) |
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#define TIME_IN_CYCLES(c,cpu) ((double)(c) * cycles_to_sec[cpu]) |
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#define TIME_IN_SEC(s) ((double)(s)) |
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#define TIME_IN_MSEC(ms) ((double)(ms) * (1.0 / 1000.0)) |
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#define TIME_IN_USEC(us) ((double)(us) * (1.0 / 1000000.0)) |
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#define TIME_IN_NSEC(us) ((double)(us) * (1.0 / 1000000000.0)) |
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#define TIME_NOW (0.0) |
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#define TIME_NEVER (1.0e30) |
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#define TIME_TO_CYCLES(cpu,t) ((int)((t) * sec_to_cycles[cpu])) |
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#define SUSPEND_REASON_HALT 0x0001 |
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#define SUSPEND_REASON_RESET 0x0002 |
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#define SUSPEND_REASON_SPIN 0x0004 |
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#define SUSPEND_REASON_TRIGGER 0x0008 |
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#define SUSPEND_REASON_DISABLE 0x0010 |
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#define SUSPEND_ANY_REASON ((UINT32)-1) |
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void timer_init(void); |
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void timer_free(void); |
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void *timer_alloc(void (*callback)(int)); |
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void timer_adjust(void *which, double duration, int param, double period); |
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void timer_pulse(double period, int param, void (*callback)(int)); |
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void timer_set(double duration, int param, void (*callback)(int)); |
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void timer_reset(void *which, double duration); |
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void timer_remove(void *which); |
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int timer_enable(void *which, int enable); |
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double timer_timeelapsed(void *which); |
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double timer_timeleft(void *which); |
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double timer_get_time(void); |
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double timer_starttime(void *which); |
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double timer_firetime(void *which); |
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int timer_schedule_cpu(int *cpu, int *cycles); |
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void timer_update_cpu(int cpu, int ran); |
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void timer_suspendcpu(int cpu, int suspend, int reason); |
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void timer_holdcpu(int cpu, int hold, int reason); |
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int timer_iscpususpended(int cpu, int reason); |
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int timer_iscpuheld(int cpunum, int reason); |
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void timer_suspendcpu_trigger(int cpu, int trigger); |
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void timer_holdcpu_trigger(int cpu, int trigger); |
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void timer_trigger(int trigger); |
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double timer_get_overclock(int cpunum); |
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void timer_set_overclock(int cpunum, double overclock); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif |
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