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🆕 为AP处理器配置进程调度

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This commit is contained in:
fslongjin
2022-04-14 00:26:41 +08:00
parent 82e34f271f
commit ddbfb822c4
8 changed files with 90 additions and 45 deletions
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37
kernel/smp/smp.c
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@ -34,7 +34,7 @@ void smp_init()
// 设置多核IPI中断门
for (int i = 200; i < 210; ++i)
set_intr_gate(i, 2, SMP_interrupt_table[i - 200]);
set_intr_gate(i, 0, SMP_interrupt_table[i - 200]);
memset((void *)SMP_IPI_desc, 0, sizeof(irq_desc_t) * SMP_IRQ_NUM);
@ -117,14 +117,41 @@ void smp_ap_start()
kdebug("current cpu = %d", current_starting_cpu);
apic_init_ap_core_local_apic();
// ============ 为ap处理器初始化IDLE进程 =============
memset(current_pcb, 0, sizeof(struct process_control_block));
current_pcb->state = PROC_RUNNING;
current_pcb->flags = PF_KTHREAD;
current_pcb->mm = &initial_mm;
list_init(&current_pcb->list);
current_pcb->addr_limit = KERNEL_BASE_LINEAR_ADDR;
current_pcb->priority = 2;
current_pcb->virtual_runtime = 0;
current_pcb->thread = (struct thread_struct *)(current_pcb + 1); // 将线程结构体放置在pcb后方
current_pcb->thread->rbp = _stack_start;
current_pcb->thread->rsp = _stack_start;
current_pcb->thread->fs = KERNEL_DS;
current_pcb->thread->gs = KERNEL_DS;
current_pcb->cpu_id = current_starting_cpu;
initial_proc[proc_current_cpu_id] = current_pcb;
load_TR(10 + current_starting_cpu * 2);
sti();
// kdebug("IDT_addr = %#018lx", phys_2_virt(IDT_Table));
memset(current_pcb, 0, sizeof(struct process_control_block));
spin_unlock(&multi_core_starting_lock);
int a = 1 / 0;
current_pcb->preempt_count = 0;
sti();
if(proc_current_cpu_id == 1)
process_init();
while(1)
{
printk_color(BLACK, WHITE, "CPU:%d IDLE process.\n", proc_current_cpu_id);
}
while (1) // 这里要循环hlt，原因是当收到中断后，核心会被唤醒，处理完中断之后不会自动hlt
hlt();
}