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Update Booting/linux-bootstrap-2md.md

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hailin cai
2016-02-02 14:57:02 -05:00
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@@ -51,3 +51,4 @@ PhysicalAddress = Segment * 16 + Offset
lgdt gdt
```
`lgdt`汇编代码将把全局描述符表的基地址和大小保存到`GDTR`寄存器中。`GRTD`是一个48位的寄存器，where the `lgdt` instruction loads the base address and limit(size) of global descriptor table to the `GDTR` register. `GDTR` is a 48-bit register and consists of two parts: