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🆕 实现了异常捕获模块

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fslongjin
2022-01-25 18:04:18 +08:00
parent 14374d5faf
commit 06cfb1ceb9
10 changed files with 744 additions and 29 deletions
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8
kernel/head.S
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@ -113,9 +113,9 @@ SetUp_TSS64:
shrq $32, %rdx
movq %rdx, 72(%rdi) // 高8B存到GDT低9项
// 装载任务状态段寄存器
mov $0x40, %ax // 设置起始地址为64
ltr %ax
// 装载任务状态段寄存器(已改为在main.c中使用load_TR宏进行装载)
// mov $0x40, %ax // 设置起始地址为64
// ltr %ax
// 切换到内核主程序
movq go_to_kernel(%rip), %rax
@ -134,6 +134,8 @@ m_ignore_int:
pushq %rax
lretq
lretq
go_to_ignore_int:
.quad ignore_int