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bug: AP处理器发生异常时无法正确处理

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This commit is contained in:
fslongjin
2022-04-05 14:40:26 +08:00
parent 5ea38e3b53
commit 32b8a163bb
12 changed files with 143 additions and 51 deletions
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4
kernel/head.S
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@ -381,7 +381,7 @@ switch_seg:
.quad entry64
.global entry64
entry64:
movq $0x10, %rax
@ -590,7 +590,7 @@ GDT_Table:
.quad 0x0000f20000000000 // 6 用户64位数据段描述符 0x30
.quad 0x00cf9a000000ffff // 7 内核32位代码段描述符 0x38
.quad 0x00cf92000000ffff // 8 内核32位数据段描述符 0x40
.fill 10, 8, 0 // 10-11 TSS(跳过了第9段) 重复十次填充8字节的空间，赋值为0
.fill 100, 8, 0 // 10-11 TSS(跳过了第9段) 重复十次填充8字节的空间，赋值为0 长模式下，每个TSS长度为128bit
GDT_END:
GDT_POINTER: