/**
@brief This function handles a system call request coming from a process running in Kernel Mode.
@return Void.
*/
HIDDEN void syscallKernelMode()
{
/* Identify and handle the system call */
switch (SYSBP_Old->a1)
{
case CREATEPROCESS:
CurrentProcess->p_s.a1 = createProcess((state_t *) SYSBP_Old->a2);
break;
case TERMINATEPROCESS:
terminateProcess();
break;
case VERHOGEN:
verhogen((int *) SYSBP_Old->a2);
break;
case PASSEREN:
passeren((int *) SYSBP_Old->a2);
break;
case GETCPUTIME:
CurrentProcess->p_s.a1 = getCPUTime();
break;
case WAITCLOCK:
waitClock();
break;
case WAITIO:
CurrentProcess->p_s.a1 = waitIO((int) SYSBP_Old->a2, (int) SYSBP_Old->a3, (int) SYSBP_Old->a4);
break;
case SPECTRAPVEC:
specTrapVec((int) SYSBP_Old->a2, (state_t *) SYSBP_Old->a3, (state_t *) SYSBP_Old->a4);
break;
default:
/* Distinguish whether SYS5 has been invoked or not */
checkSYS5(SYSBK_EXCEPTION, SYSBP_Old);
}
/* Call the scheduler */
scheduler();
}
int
main (
int argc,
char **argv
)
{
pwr_tStatus sts;
time_tClock wait_clock;
qcom_sQid my_q = qcom_cNQid;
qcom_sGet get;
int tmo_ms = 0;
// mcheck(memCheck);
init();
if (!qcom_CreateQ(&sts, &my_q, NULL, "events")) {
exit(sts);
}
if (!qcom_Bind(&sts, &my_q, &qcom_cQini)) {
exit(-1);
}
gdbroot->db->log.b.tmon = 0;
for (wait_clock = 0;;) {
if (wait_clock != 0) {
waitClock(wait_clock, &tmo_ms);
}
else {
tmo_ms = 0;
}
#if defined OS_POSIX
aproc_TimeStamp( ((float)tmo_ms)/1000, 5);
get.data = NULL;
qcom_Get(&sts, &my_q, &get, tmo_ms);
if (sts != QCOM__TMO && sts != QCOM__QEMPTY) {
if (get.type.b == qcom_eBtype_event) {
event(&get);
}
qcom_Free(&sts, get.data);
}
#endif
now_clock = time_Clock(NULL, NULL);
if (now_clock < last_clock) {
errh_Info("The uptime clock has wrapped");
toggleWrapped();
executeExpired(&wrap_lh, 1);
}
getNewTimers();
executeExpired(&timer_lh, 0);
last_clock = now_clock;
now_clock = time_Clock(NULL, NULL);
getWaitClock(&wait_clock, last_clock);
}
}
