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fslongjin
2022-06-02 14:20:53 +08:00
parent b97aaee746
commit d64ddfa0b6
12 changed files with 243 additions and 299 deletions
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53
kernel/exception/trap.c
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@ -4,11 +4,10 @@
#include "../common/kprint.h"
#include <process/process.h>
// 0 #DE 除法错误
void do_divide_error(struct pt_regs *regs, unsigned long error_code)
{
//kerror("do_divide_error(0)");
// kerror("do_divide_error(0)");
kerror("do_divide_error(0),\tError Code:%#18lx,\tRSP:%#18lx,\tRIP:%#18lx\t CPU:%d\t pid=%d\n", error_code, regs->rsp, regs->rip, proc_current_cpu_id, current_pcb->pid);
current_pcb->state = PROC_STOPPED;
while (1)
@ -168,8 +167,7 @@ void do_stack_segment_fault(struct pt_regs *regs, unsigned long error_code)
// 13 #GP 通用保护性异常
void do_general_protection(struct pt_regs *regs, unsigned long error_code)
{
kerror("do_general_protection(13),\tError Code:%#18lx,\tRSP:%#18lx,\tRIP:%#18lx\t CPU:%d\n", error_code, regs->rsp, regs->rip, proc_current_cpu_id);
if (error_code & 0x01)
printk_color(RED, BLACK, "The exception occurred during delivery of an event external to the program,such as an interrupt or an earlier exception.\n");
@ -193,36 +191,38 @@ void do_general_protection(struct pt_regs *regs, unsigned long error_code)
// 14 #PF 页故障
void do_page_fault(struct pt_regs *regs, unsigned long error_code)
{
unsigned long cr2 = 0;
__asm__ __volatile__("movq %%cr2, %0":"=r"(cr2)::"memory");
kerror("do_page_fault(14),Error code :%#018lx,RSP:%#018lx,RIP:%#018lx CPU:%d, pid=%d\n",error_code , regs->rsp , regs->rip, proc_current_cpu_id, current_pcb->pid);
__asm__ __volatile__("movq %%cr2, %0"
: "=r"(cr2)::"memory");
if(!(error_code & 0x01))
printk_color(RED,BLACK,"Page Not-Present,\t");
kerror("do_page_fault(14),Error code :%#018lx,RSP:%#018lx, RBP=%#018lx, RIP:%#018lx CPU:%d, pid=%d\n", error_code, regs->rsp, regs->rbp, regs->rip, proc_current_cpu_id, current_pcb->pid);
kerror("regs->rax = %#018lx\n", regs->rax);
if (!(error_code & 0x01))
printk_color(RED, BLACK, "Page Not-Present,\t");
if(error_code & 0x02)
printk_color(RED,BLACK,"Write Cause Fault,\t");
else
printk_color(RED,BLACK,"Read Cause Fault,\t");
if (error_code & 0x02)
printk_color(RED, BLACK, "Write Cause Fault,\t");
else
printk_color(RED, BLACK, "Read Cause Fault,\t");
if(error_code & 0x04)
printk_color(RED,BLACK,"Fault in user(3)\t");
else
printk_color(RED,BLACK,"Fault in supervisor(0,1,2)\t");
if (error_code & 0x04)
printk_color(RED, BLACK, "Fault in user(3)\t");
else
printk_color(RED, BLACK, "Fault in supervisor(0,1,2)\t");
if(error_code & 0x08)
printk_color(RED,BLACK,",Reserved Bit Cause Fault\t");
if (error_code & 0x08)
printk_color(RED, BLACK, ",Reserved Bit Cause Fault\t");
if(error_code & 0x10)
printk_color(RED,BLACK,",Instruction fetch Cause Fault");
if (error_code & 0x10)
printk_color(RED, BLACK, ",Instruction fetch Cause Fault");
printk_color(RED,BLACK,"\n");
printk_color(RED, BLACK, "\n");
printk_color(RED,BLACK,"CR2:%#018lx\n",cr2);
printk_color(RED, BLACK, "CR2:%#018lx\n", cr2);
current_pcb->state = PROC_STOPPED;
while (1)
hlt();
}
@ -281,8 +281,6 @@ void do_virtualization_exception(struct pt_regs *regs, unsigned long error_code)
// 21-21 Intel保留，请勿使用
void sys_vector_init()
{
set_trap_gate(0, 0, divide_error);
@ -307,9 +305,6 @@ void sys_vector_init()
set_trap_gate(19, 0, SIMD_exception);
set_trap_gate(20, 0, 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
}