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解决了在用户态下进行系统调用会禁用中断的问题

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This commit is contained in:
fslongjin
2022-04-12 15:25:21 +08:00
parent 2d7b2b7048
commit fb4ddc56ff
9 changed files with 54 additions and 126 deletions
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12
kernel/driver/interrupt/apic/apic.c
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@ -475,18 +475,16 @@ void do_IRQ(struct pt_regs *rsp, ul number)
}
}
else if (number >= 0x80 && number != 250)
else if (number == 0x80) // 系统调用
{
do_syscall_int(rsp, 0);
}
else if (number > 0x80)
{
printk_color(RED, BLACK, "SMP IPI [ %d ]\n", number);
apic_local_apic_edge_ack(number);
}
else if (number == 250) // 系统调用
{
kdebug("receive syscall");
kdebug("rflags=%#010lx", rsp->rflags);
}
else
{