int main(int argc, char *argv[])
{
list_entry_t *pos;
int byteStart, byteEnd, globalEnd;
struct ProcStruct *next;
schedInit(); //init schedule
printf("SchedInit finished!\n");
cpu_init(); //init cpu
printf("Cpu init finished!\n");
initProcList(); //runnbale process
printf("Init process list finished!\n");
procInit(); //init process table
printf("The first proc init finished!\n");
initWaitQueue(); //init wait queue
printf("Init wait queue finished!\n");
bc_read(&byteStart, &byteEnd, &globalEnd); //读取字节码
/*
for (int i = 0; i < 7; i++) {
printf("%d %d %d\n", byte_code[i].code, byte_code[i].arg1, byte_code[i].arg2);
}
*/
createProcess(byteStart, byteEnd, globalEnd); //根据字节码的初始下标和终止下标创建第一个进程
// createProcess(0, 9, 3); //根据字节码的初始下标和终止下标创建第一个进程
printCurrent();
addRunEqueue(); //将创建的进程加入到就绪队列
printf("The proc addRunEqueu finished!\n");
while (cpu_state != 0 && rq->proc_num)
{
printf("schedul start...\n");
cpuSchedProc();
}
while (rq->proc_num == 0 && wq->wait_num != 0)
{
next = waitQueuePickNext(wq);
delWaitQueue(wq, next);
schedClassEnqueue(next);
schedule();
}
return 0;
}
static int waitForRingBuffer(RingBuffer *ring,u64 *rflags)
{
Task *current = getCurrentTask();
WaitQueue wait;
/*When we arrive here,the ring->wait.lock is locked and the interrupt is closed.*/
initWaitQueue(&wait,current);
addToWaitQueueLocked(&wait,&ring->wait);
/*Init the wait queue and add it to ring->wait.*/
current->state = TaskInterruptible;
unlockSpinLockRestoreInterrupt(&ring->wait.lock,rflags);
schedule(); /*Wait until the ring buffer has data.*/
lockSpinLockCloseInterrupt(&ring->wait.lock,rflags);
removeFromWaitQueueLocked(&wait);
if(taskSignalPending(current)) /*Interrupted by signals.*/
return -EINTR;
return 0;
}
