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Update Booting/linux-bootstrap-2md.md

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hailin cai
2016-01-29 10:05:46 -05:00
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@@ -39,8 +39,8 @@
通过这2个信息，我们可以通过下面的公式计算出对应的物理地址
```c
```
PhysicalAddress = Segment * 16 + Offset
```
在保护模式中，内存段的定义Memory segmentation was completely redone in protected mode. There are no 64 Kilobyte fixed-size segments. Instead, the size and location of each segment is described by an associated data structure called Segment Descriptor. The segment descriptors are stored in a data structure called Global Descriptor Table (GDT).