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bugfix: 修复了无法在除pid=0的进程以外的进程刷新帧缓冲区的bug

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This commit is contained in:
fslongjin
2022-06-09 23:54:42 +08:00
parent 2a47569473
commit cdbc4a316c
9 changed files with 63 additions and 29 deletions
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15
kernel/driver/timers/HPET/HPET.c
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@ -68,6 +68,18 @@ void HPET_handler(uint64_t number, uint64_t param, struct pt_regs *regs)
if (container_of(list_next(&timer_func_head.list), struct timer_func_list_t, list)->expire_jiffies <= timer_jiffies)
set_softirq_status((1 << TIMER_SIRQ));
// if (current_pcb->pid == 2)
// kwarn("timer_jiffies = %ld video_refresh_expire_jiffies=%ld", timer_jiffies, video_refresh_expire_jiffies);
if (timer_jiffies >= video_refresh_expire_jiffies)
{
raise_softirq(VIDEO_REFRESH_SIRQ);
}
else
{
if (video_last_refresh_pid != current_pcb->pid)
raise_softirq(VIDEO_REFRESH_SIRQ);
}
sched_update_jiffies();
break;
@ -142,6 +154,8 @@ int HPET_init()
HPET_NUM_TIM_CAP = (tmp >> 8) & 0x1f; // 读取计时器数量
// kinfo("HPET CLK_PERIOD=%#03lx Frequency=%f", HPET_COUNTER_CLK_PERIOD, (double)HPET_freq);
kdebug("HPET_freq=%ld", (long)HPET_freq);
// kdebug("HPET_freq=%lf", HPET_freq);
struct apic_IO_APIC_RTE_entry entry;
// 使用I/O APIC 的IRQ2接收hpet定时器0的中断
@ -149,6 +163,7 @@ int HPET_init()
// 计算HPET0间隔多少个时钟周期触发一次中断
uint64_t clks_to_intr = 0.001 * HPET0_INTERVAL * HPET_freq;
// kdebug("clks_to_intr=%#ld", clks_to_intr);
if (clks_to_intr <= 0 || clks_to_intr > (HPET_freq * 8))
{
kBUG("HPET0: Numof clocks to generate interrupt is INVALID! value=%lld", clks_to_intr);