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Code Issues Releases Wiki Activity

删除一些注释

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This commit is contained in:
fslongjin
2022-09-04 21:00:35 +08:00
parent 94c960ae89
commit 3f54a63ef0
1 changed files with 4 additions and 7 deletions
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11
kernel/smp/smp.c
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@ -74,7 +74,7 @@ void smp_init()
io_mfence();
spin_lock(&multi_core_starting_lock);
preempt_enable(); // 由于ap处理器的pcb与bsp的不同，因此ap处理器放锁时，bsp的自旋锁持有计数不会发生改变,需要手动恢复preempt count
current_starting_cpu = proc_local_apic_structs[i]->local_apic_id;
current_starting_cpu = proc_local_apic_structs[i]->ACPI_Processor_UID;
io_mfence();
// 为每个AP处理器分配栈空间
cpu_core_info[current_starting_cpu].stack_start = (uint64_t)kmalloc(STACK_SIZE, 0) + STACK_SIZE;
@ -97,12 +97,12 @@ void smp_init()
set_tss64((uint *)cpu_core_info[current_starting_cpu].tss_vaddr, cpu_core_info[current_starting_cpu].stack_start, cpu_core_info[current_starting_cpu].stack_start, cpu_core_info[current_starting_cpu].stack_start,
cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start, cpu_core_info[current_starting_cpu].ist_stack_start);
io_mfence();
kdebug("to send ipi");
// 连续发送两次start-up IPI
ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0x20, ICR_Start_up, ICR_No_Shorthand, proc_local_apic_structs[i]->local_apic_id);
io_mfence();
ipi_send_IPI(DEST_PHYSICAL, IDLE, ICR_LEVEL_DE_ASSERT, EDGE_TRIGGER, 0x20, ICR_Start_up, ICR_No_Shorthand, proc_local_apic_structs[i]->local_apic_id);
kdebug("send ipi ok");
}
io_mfence();
while (num_cpu_started != total_processor_num)
@ -135,12 +135,10 @@ void smp_ap_start()
__asm__ __volatile__("movq %0, %%rsp \n\t" ::"m"(cpu_core_info[current_starting_cpu].stack_start)
: "memory");
ksuccess("AP core successfully started!");
ksuccess("AP core %d successfully started!", current_starting_cpu);
io_mfence();
++num_cpu_started;
kdebug("current cpu = %d", current_starting_cpu);
apic_init_ap_core_local_apic();
// ============ 为ap处理器初始化IDLE进程 =============
@ -168,7 +166,6 @@ void smp_ap_start()
load_TR(10 + current_starting_cpu * 2);
current_pcb->preempt_count = 0;
// kdebug("IDT_addr = %#018lx", phys_2_virt(IDT_Table));
io_mfence();
spin_unlock(&multi_core_starting_lock);
preempt_disable(); // 由于ap处理器的pcb与bsp的不同，因此ap处理器放锁时，需要手动恢复preempt count