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TIMER: Stabilize timer behaviors

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- Fix incomplete migration to RTC structures indicated by Coverity
  warnings.  Some Coverity were minor warnings and not real issues.
- Add calibration recovery parameters for idle and catchup ticks
- Aggressively perform catchup ticks when in simulated idle paths
  even when idling is disabled.
- All non internal clocks can have catch-up ticks triggered if they
  register a tick unit.
- Catch-up ticks will be delivered to non tick acking simulators when
  idling if regstered tick unit has been specified.
- Hosts with slow ticks can idle and keep sloppy OK time when
  simulators have faster ticks
- Default to active calibration (ALWAYS) while idling (no skipping)
This commit is contained in:
Mark Pizzolato
2019-06-18 08:01:45 -07:00
parent 5d747cc992
commit b3fa1f9fe8
2 changed files with 110 additions and 68 deletions
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4
sim_timer.h
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@@ -112,10 +112,10 @@ int32 sim_rtcn_init_unit_ticks (UNIT *uptr, int32 time, int32 tmr, int32 tickspe
void sim_rtcn_get_time (struct timespec *now, int tmr);
t_stat sim_rtcn_tick_ack (uint32 time, int32 tmr);
void sim_rtcn_init_all (void);
int32 sim_rtcn_calb (int32 ticksper, int32 tmr);
int32 sim_rtcn_calb (uint32 ticksper, int32 tmr);
int32 sim_rtcn_calb_tick (int32 tmr);
int32 sim_rtc_init (int32 time);
int32 sim_rtc_calb (int32 ticksper);
int32 sim_rtc_calb (uint32 ticksper);
t_stat sim_set_timers (int32 arg, CONST char *cptr);
t_stat sim_show_timers (FILE* st, DEVICE *dptr, UNIT* uptr, int32 val, CONST char* desc);
t_stat sim_show_clock_queues (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, CONST char *cptr);