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Update linux-bootstrap-1.md

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0xAX 2015-07-28 23:39:57 +06:00
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Booting/linux-bootstrap-1.md
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@ -342,12 +342,12 @@ Let's look at implementation.
Segment registers align Segment registers align
-------------------------------------------------------------------------------- --------------------------------------------------------------------------------
First of all it ensures that `ds` and `es` segment registers point to the same address and disable interrupts with `cld` instruction: First of all it ensures that `ds` and `es` segment registers point to the same address and disable interrupts with `cli` instruction:
```assembly ```assembly
movw %ds, %ax movw %ds, %ax
movw %ax, %es movw %ax, %es
cld cli
``` ```
As I wrote above, grub2 loads kernel setup code at `0x10000` address and `cs` at `0x1020` because execution doesn't start from the start of file, but from: As I wrote above, grub2 loads kernel setup code at `0x10000` address and `cs` at `0x1020` because execution doesn't start from the start of file, but from: