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missing register

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This commit is contained in:
Quentin Perez 2015-09-20 20:51:17 +02:00
parent fd689f2208
commit 8c76586ebd
1 changed files with 2 additions and 2 deletions
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Booting/linux-bootstrap-1.md
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@ -324,7 +324,7 @@ Actually this is the first code that runs (aside from the previous jump instruct
It means that segment registers will have following values after kernel setup starts:
```
fs = es = ds = ss = 0x1000
gs = fs = es = ds = ss = 0x1000
cs = 0x1020
```
@ -347,7 +347,7 @@ First of all it ensures that `ds` and `es` segment registers point to the same a
```assembly
movw %ds, %ax
movw %ax, %es
cli
cli
```
As I wrote earlier, grub2 loads kernel setup code at address `0x10000` and `cs` at `0x1020` because execution doesn't start from the start of file, but from: