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🆕 实现了异常捕获模块
This commit is contained in:
fslongjin
319
kernel/exception/trap.c
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319
kernel/exception/trap.c
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@ -0,0 +1,319 @@
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#include "trap.h"
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#include "gate.h"
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void init_sys_vector()
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{
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set_trap_gate(0, 1, divide_error);
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set_trap_gate(1, 1, debug);
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set_intr_gate(2, 1, nmi);
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set_system_trap_gate(3, 1, int3);
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set_system_trap_gate(4, 1, overflow);
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set_system_trap_gate(5, 1, bounds);
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set_trap_gate(6, 1, undefined_opcode);
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set_trap_gate(7, 1, dev_not_available);
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set_trap_gate(8, 1, double_fault);
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set_trap_gate(9, 1, coprocessor_segment_overrun);
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set_trap_gate(10, 1, invalid_TSS);
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set_trap_gate(11, 1, segment_not_exists);
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set_trap_gate(12, 1, stack_segment_fault);
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set_trap_gate(13, 1, general_protection);
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set_trap_gate(14, 1, page_fault);
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// 中断号15由Intel保留，不能使用
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set_trap_gate(16, 1, x87_FPU_error);
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set_trap_gate(17, 1, alignment_check);
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set_trap_gate(18, 1, machine_check);
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set_trap_gate(19, 1, SIMD_exception);
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set_trap_gate(20, 1, virtualization_exception);
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// 中断号21-31由Intel保留，不能使用
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// 32-255为用户自定义中断内部
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}
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// 0 #DE 除法错误
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void do_divide_error(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_divide_error(0),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 1 #DB 调试异常
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void do_debug(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR / TRAP");
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printk(" ] do_debug(1),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 2 不可屏蔽中断
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void do_nmi(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(BLUE, BLACK, "INT");
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printk(" ] do_nmi(2),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 3 #BP 断点异常
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void do_int3(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(YELLOW, BLACK, "TRAP");
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printk(" ] do_int3(3),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 4 #OF 溢出异常
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void do_overflow(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(YELLOW, BLACK, "TRAP");
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printk(" ] do_overflow(4),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 5 #BR 越界异常
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void do_bounds(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_bounds(5),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 6 #UD 无效/未定义的机器码
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void do_undefined_opcode(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_undefined_opcode(6),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 7 #NM 设备异常（FPU不存在）
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void do_dev_not_avaliable(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_dev_not_avaliable(7),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 8 #DF 双重错误
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void do_double_fault(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "Terminate");
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printk(" ] do_double_fault(8),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 9 协处理器越界（保留）
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void do_coprocessor_segment_overrun(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_coprocessor_segment_overrun(9),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 10 #TS 无效的TSS段
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void do_invalid_TSS(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[");
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printk_color(RED, BLACK, "ERROR");
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printk("] do_invalid_TSS(10),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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printk_color(YELLOW, BLACK, "Information:\n");
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// 解析错误码
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if (error_code & 0x01)
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printk("The exception occurred during delivery of an event external to the program.\n");
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if (error_code & 0x02)
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printk("Refers to a descriptor in the IDT.\n");
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else
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{
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if (error_code & 0x04)
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printk("Refers to a descriptor in the current LDT.\n");
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else
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printk("Refers to a descriptor in the GDT.\n");
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}
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printk("Segment Selector Index:%10x\n", error_code & 0xfff8);
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printk("\n");
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while (1)
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;
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}
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// 11 #NP 段不存在
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void do_segment_not_exists(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_segment_not_exists(11),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 12 #SS SS段错误
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void do_stack_segment_fault(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_stack_segment_fault(12),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 13 #GP 通用保护性异常
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void do_general_protection(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_general_protection(13),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 14 #PF 页故障
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void do_page_fault(unsigned long rsp, unsigned long error_code)
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{
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unsigned long cr2 = 0;
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// 先保存cr2寄存器的值，避免由于再次触发页故障而丢失值
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// cr2存储着触发异常的线性地址
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__asm__ __volatile__("movq %%cr2, %0"
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: "=r"(cr2)::"memory");
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[");
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printk_color(RED, BLACK, "ERROR");
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printk("] do_page_fault(14),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\tCR2:%18lx\n", error_code, rsp, *rip, cr2);
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printk_color(YELLOW, BLACK, "Information:\n");
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if (!(error_code & 0x01))
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printk("Page does not exist.\n");
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if (error_code & 0x02)
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printk("Fault occurred during operation: writing\n");
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else
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printk("Fault occurred during operation: reading\n");
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if (error_code & 0x04)
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printk("Fault in user level(3).\n");
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else
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printk("Fault in supervisor level(0,1,2).\n");
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if (error_code & 0x08)
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printk("Reserved bit caused the fault.\n");
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if (error_code & 0x10)
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printk("Fault occurred during fetching instruction.\n");
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while (1)
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;
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}
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// 15 Intel保留，请勿使用
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// 16 #MF x87FPU错误
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void do_x87_FPU_error(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_x87_FPU_error(16),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 17 #AC 对齐检测
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void do_alignment_check(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_alignment_check(17),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 18 #MC 机器检测
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void do_machine_check(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_machine_check(18),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 19 #XM SIMD浮点异常
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void do_SIMD_exception(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_SIMD_exception(19),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 20 #VE 虚拟化异常
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void do_virtualization_exception(unsigned long rsp, unsigned long error_code)
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{
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unsigned long *rip = (unsigned long *)(rsp + 0x98);
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printk("[ ");
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printk_color(RED, BLACK, "ERROR");
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printk(" ] do_virtualization_exception(20),\tError Code:%18lx,\tRSP:%18lx,\tRIP:%18lx\n", error_code, rsp, *rip);
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while (1)
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;
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}
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// 21-21 Intel保留，请勿使用
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