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能进入用户态程序，但无法正确进行系统调用

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fslongjin
2022-04-10 23:53:07 +08:00
parent d78db8225c
commit c09c6d4e66
6 changed files with 19 additions and 10 deletions
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2
kernel/exception/entry.S
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@ -106,7 +106,7 @@ Err_Code:
ENTRY(system_call)
// 由于sysenter指令会禁用中断，因此要在这里手动开启中断
sti;
hlt
subq $0x38, %rsp
cld;