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/*
* Instantiate the clock driver shell.
*
* Since there is no clock source on the simulator, we fake
* it with a special IDLE task.
*/
#include <rtems.h>
#include <rtems/score/percpu.h>
#include <rtems/score/threaddispatch.h>
#define CLOCK_VECTOR 0
#define Clock_driver_support_initialize_hardware() \
do { } while (0)
#define CLOCK_DRIVER_USE_DUMMY_TIMECOUNTER
#include "clockimpl.h"
/*
* If this is defined, then the BSP has defined a delay of some sort so
* time passage appears somewhat correctly. Otherwise, it runs extremely
* fast with no delays.
*/
#ifndef BSP_CLOCK_DRIVER_DELAY
#define BSP_CLOCK_DRIVER_DELAY()
#endif
/*
* Since there is no interrupt on this simulator, let's just
* fake time passing. This will not let preemption from an
* interrupt work but is enough for many tests.
*/
void *clock_driver_sim_idle_body(
uintptr_t ignored
)
{
for( ; ; ) {
Per_CPU_Control *cpu = _Thread_Dispatch_disable();
_ISR_Nest_level++;
rtems_clock_tick();
_ISR_Nest_level--;
_Thread_Dispatch_enable( cpu );
BSP_CLOCK_DRIVER_DELAY();
}
return 0; /* to avoid warning */
}
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