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改用int250作为系统调用

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This commit is contained in:
fslongjin
2022-04-12 11:54:44 +08:00
parent 011246281a
commit 2d7b2b7048
15 changed files with 236 additions and 104 deletions
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6
kernel/exception/trap.c
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@ -196,7 +196,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long error_code)
unsigned long cr2 = 0;
__asm__ __volatile__("movq %%cr2, %0":"=r"(cr2)::"memory");
hlt();
kerror("do_page_fault(14),Error code :%#018lx,RSP:%#018lx,RIP:%#018lx\n",error_code , regs->rsp , regs->rip);
if(!(error_code & 0x01))
@ -284,8 +284,6 @@ void do_virtualization_exception(struct pt_regs *regs, unsigned long error_code)
void sys_vector_init()
{
kdebug("do_divide_error=%#018lx", do_divide_error);
kdebug("&do_divide_error=%#018lx", &do_divide_error);
set_trap_gate(0, 1, divide_error);
set_trap_gate(1, 1, debug);
set_intr_gate(2, 1, nmi);
@ -308,6 +306,8 @@ void sys_vector_init()
set_trap_gate(19, 1, SIMD_exception);
set_trap_gate(20, 1, virtualization_exception);
// 中断号21-31由Intel保留，不能使用
// 32-255为用户自定义中断内部