int main(void){
CPU_p new_cpu = CPU_constructor();
new_cpu->pid = 11;
new_cpu->pc = 11100;
new_cpu->sw = 2442828;
new_cpu->address = 12322;
new_cpu->p_state = READY;
printf("CPU: PID:%u PC:%u SW:%u ADDRESS:%u\n",
new_cpu->pid, new_cpu->pc, new_cpu->sw, new_cpu->address);
CPU_destructor(new_cpu);
return 0;
}
int main() {
// Prepare for file writing:
CPU_remove_file();
// House Keeping:
file = fopen("scheduleTrace.txt", "w+");
srand(time(0)); // Seed random generator
unsigned int PC = 0;
int total_procs = 0, process_ID = 1;
// Create CPU:
CPU *cpu = CPU_constructor();
// CPU: Represent a time quantum. Assumed every process has the same time quantum.
int time_count = 1;
//total_procs <= MAX_PROCESS - 5
while (total_procs < MAX_PROCESS) {
fprintf(file, "***************TIME QUANTUM = %d***************\n",
time_count);
// 1a. Create a queue of new processes, 0 - 5 processes at a time:
int num_proc_created = 0;
do {
num_proc_created = rand() % 6;
} while (total_procs + num_proc_created > MAX_PROCESS);
fprintf(file, "Process randomed: %d\n", num_proc_created);
total_procs += num_proc_created;
cpu->newProcessesQueue = CPU_create_processes(cpu->newProcessesQueue,
num_proc_created, process_ID);
process_ID += num_proc_created;
// 1c. Print newly created processes queue to file:
fprintf(file, "New processes initialized: %d. Total processes: %d\n",
num_proc_created, total_procs);
fprintf(file, "Newly created processes list: %s",
Queue_toString(cpu->newProcessesQueue, 0));
// puts head of readyQueue as current process and changes state to running
// if (cpu->currentProcess == empty_pcb && !Queue_isEmpty(cpu->readyQueue)) {
// cpu->currentProcess = Queue_dequeue(cpu->readyQueue);
// PCB_set_state(cpu->currentProcess, running);
// }
unsigned int random = rand() % 1001 + 3000;
if (random < 3000) {
random = rand() % 1001 + 3000;
}
PC += random;
fprintf(file, "Current PC: %d. System Stack: %d\n", PC, cpu->sysStack);
//if (cpu->currentProcess != NULL)
CPU_push_sysStack(cpu, PC);
// calls pseudo ISR
CPU_pseudo_isr(cpu, PC);
fprintf(file, "Current PC: %d. System Stack: %d\n\n", PC,
cpu->sysStack);
CTX_SWITCH_COUNT++;
time_count++;
}
fclose(file);
CPU_destructor(cpu);
return 0;
}
