int
main()
{
int array[SIZE], i, sum=0;
sys_PrintString("Starting physical address of array: ");
sys_PrintInt(sys_GetPA((unsigned)array));
sys_PrintChar('\n');
sys_PrintString("Physical address of array[50]: ");
sys_PrintInt(sys_GetPA(&array[50]));
sys_PrintChar('\n');
sys_PrintString("Current physical address of stack top: ");
sys_PrintInt(sys_GetPA(sys_GetReg(29)));
sys_PrintChar('\n');
for (i=0; i<SIZE; i++) array[i] = i;
sys_PrintString("We are currently at PC: ");
sys_PrintIntHex(sys_GetReg(34));
sys_PrintChar('\n');
for (i=0; i<SIZE; i++) sum += array[i];
sys_PrintString("Total sum: ");
sys_PrintInt(sum);
sys_PrintChar('\n');
sys_Exit(0);
return 0;
}
void syscall(TD *td_caller, Request *req) {
#ifdef TASK_RUNTIME
td_caller->runtime += microsecs (0, TC4_stop());
#endif
int retval = -5;// int err = 0;
switch(req->call_number) {
case SYS_Create:
retval = sys_Create(td_caller, req);
break;
case SYS_MyTid:
retval = sys_MyTid(td_caller, req);
break;
case SYS_MyParentTid:
retval = sys_MyParentTid(td_caller, req);
break;
case SYS_Pass:
sys_Pass(td_caller, req);
break;
case SYS_Exit:
sys_Exit(td_caller, req);
break;
case SYS_Send:
retval = sys_Send(td_caller, req);
break;
case SYS_Receive:
retval = sys_Receive(td_caller, req);
break;
case SYS_Reply:
retval = sys_Reply(td_caller, req);
break;
case SYS_AwaitEvent:
retval = sys_AwaitEvent(td_caller, req);
break;
case SYS_SHUTDOWN:
sys_SHUTDOWN(td_caller, req);
break;
case SYS_RunTime:
retval = sys_RunTime(td_caller, req);
break;
case SYS_Output:
retval = sys_Output(td_caller, req);
break;
case SYS_CreateSmall:
retval = sys_CreateSmall(td_caller, req);
break;
case SYS_Destroy:
retval = sys_Destroy(td_caller, req);
break;
case SYS_Receive_nonbl:
retval = sys_Receive_nonbl(td_caller, req);
break;
default:
kprintf("Unknown system call\n\r");
break;
}
*((int *)(td_caller->sp)) = retval;
}
