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Update Booting/linux-bootstrap-2md.md

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hailin cai
2016-02-05 12:06:47 -05:00
parent 37a76fe9d8
commit 84a4565641
1 changed files with 5 additions and 4 deletions
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Booting/linux-bootstrap-2md.md
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@@ -148,7 +148,8 @@ lgdt gdt
-----------------------------
```
Where,
* **Index** shows the index number of the descriptor in the GDT.
* **TI**(Table Indicator) shows where to search for the descriptor. If it is 0 then search in the Global Descriptor Table(GDT) otherwise it will look in Local Descriptor Table(LDT).
* And **RPL** is Requester's Privilege Level.
其中，
* **Index** 表示在GDT中，对应段描述符的索引号。
* **TI** 表示要在GDT还是LDT中查找对应的段描述符
* **RPL** 表示请求者优先级。这个优先级将和段描述符中的优先级协同工作，共同确定访问是否合法。