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Update Booting/linux-bootstrap-2.md

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hailin cai
2016-02-24 12:33:35 -05:00
parent 5e6c5fac40
commit dd7b754d3b
1 changed files with 2 additions and 2 deletions
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@@ -394,9 +394,9 @@ if (cpu_level < req_level) {
ireg.di = (size_t)&buf;
```
* `ax` 固定为0xe820
* `ax` 固定为 `0xe820`
* `cx` 包含数据缓冲区的大小，该缓冲区将包含系统内存的信息数据
* `edx` 必须是SMAP这个魔术数字，就是0x534d4150
* `edx` 必须是 `SMAP` 这个魔术数字，就是 `0x534d4150`
* `es:di` 包含数据缓冲区的地址
* `ebx` 必须为0.