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Code Issues Releases Wiki Activity

o3能运行

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This commit is contained in:
fslongjin
2022-08-01 20:40:27 +08:00
parent 58681fd34a
commit e806bbc0c8
23 changed files with 118 additions and 57 deletions
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11
kernel/driver/interrupt/apic/apic_timer.c
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@ -11,9 +11,13 @@ uint64_t apic_timer_ticks_result = 0;
void apic_timer_enable(uint64_t irq_num)
{
// 启动apic定时器
io_mfence();
uint64_t val = apic_timer_get_LVT();
io_mfence();
val &= (~APIC_LVT_INT_MASKED);
io_mfence();
apic_timer_write_LVT(val);
io_mfence();
}
void apic_timer_disable(uint64_t irq_num)
@ -31,18 +35,24 @@ void apic_timer_disable(uint64_t irq_num)
uint64_t apic_timer_install(ul irq_num, void *arg)
{
// 设置div16
io_mfence();
apic_timer_stop();
io_mfence();
apic_timer_set_div(APIC_TIMER_DIVISOR);
io_mfence();
// 设置初始计数
apic_timer_set_init_cnt(*(uint64_t *)arg);
io_mfence();
// 填写LVT
apic_timer_set_LVT(APIC_TIMER_IRQ_NUM, 1, APIC_LVT_Timer_Periodic);
io_mfence();
}
void apic_timer_uninstall(ul irq_num)
{
apic_timer_write_LVT(APIC_LVT_INT_MASKED);
io_mfence();
}
hardware_intr_controller apic_timer_intr_controller =
@ -65,6 +75,7 @@ void apic_timer_handler(uint64_t number, uint64_t param, struct pt_regs *regs)
{
sched_update_jiffies();
io_mfence();
}
/**