63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
#ifndef SH4_SCHED_H
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#define SH4_SCHED_H
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#include "types.h"
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/*
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tag, as passed on sh4_sched_register
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sch_cycles, the cycle duration that the callback requested (sh4_sched_request)
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jitter, the number of cycles that the callback was delayed, [0... 448]
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*/
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typedef int sh4_sched_callback(int tag, int sch_cycl, int jitter);
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/*
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Registed a callback to the scheduler. The returned id
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is used for sh4_sched_request and sh4_sched_elapsed calls
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*/
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int sh4_sched_register(int tag, sh4_sched_callback* ssc);
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/*
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current time in SH4 cycles, referenced to boot.
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Wraps every ~21 secs
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*/
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u32 sh4_sched_now();
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/*
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current time, in SH4 cycles, referenced to boot.
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Does not wrap, 64 bits.
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*/
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u64 sh4_sched_now64();
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/*
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Schedule a callback to be called sh4 *cycles* after the
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invocation of this function. *Cycles* range is (0, 200M].
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Passing a value of 0 disables the callback.
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If called multiple times, only the last call is in effect
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*/
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void sh4_sched_request(int id, int cycles);
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/*
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Returns how much time has passed for this callback
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*/
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int sh4_sched_elapsed(int id);
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/*
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Tick for *cycles*
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*/
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void sh4_sched_tick(int cycles);
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void sh4_sched_ffts();
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extern u32 sh4_sched_intr;
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struct sched_list
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{
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sh4_sched_callback* cb;
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int tag;
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int start;
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int end;
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};
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#endif //SH4_SCHED_H
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