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存在bug，apu启动后触发异常会Reset

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This commit is contained in:
fslongjin
2022-04-06 15:11:14 +08:00
parent a62454587e
commit b7df2805ed
8 changed files with 214 additions and 99 deletions
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13
kernel/exception/irq.c
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@ -49,12 +49,13 @@
#define Build_IRQ(number) \
void IRQ_NAME(number); \
__asm__(SYMBOL_NAME_STR(IRQ) #number "interrupt: \n\t" \
"pushq $0x00 \n\t" SAVE_ALL_REGS \
"movq %rsp, %rdi\n\t" \
"leaq ret_from_intr(%rip), %rax\n\t" \
"pushq $0x00 \n\t" \
SAVE_ALL_REGS \
"movq %rsp, %rdi \n\t" \
"leaq ret_from_intr(%rip), %rax \n\t" \
"pushq %rax \n\t" \
"movq $" #number ", %rsi \n\t" \
"jmp do_IRQ\n\t");
"movq $"#number", %rsi \n\t" \
"jmp do_IRQ \n\t");
// 构造中断入口
Build_IRQ(0x20);
@ -168,8 +169,8 @@ void irq_init()
#if _INTR_8259A_
init_8259A();
#else
memset(interrupt_desc, 0, sizeof(irq_desc_t) * IRQ_NUM);
apic_init();
memset(interrupt_desc, 0, sizeof(irq_desc_t) * IRQ_NUM);
#endif
}