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missing register

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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: 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 cs = 0x1020
``` ```
@ -347,7 +347,7 @@ First of all it ensures that `ds` and `es` segment registers point to the same a
```assembly ```assembly
movw %ds, %ax movw %ds, %ax
movw %ax, %es 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: 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: