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Re: Starting physical address to load real mode kernel
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From: |
Andrei Borzenkov |
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Subject: |
Re: Starting physical address to load real mode kernel |
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Date: |
Wed, 27 Jul 2016 17:51:20 +0300 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 |
27.07.2016 10:15, Habeeb P пишет:
> Hi
> I am reading through Linux booting process.
> While reading one article, it mention that boot loader loads real mode
> kernel code below 640K and the actual physical address ( below 640K)
> depends upon boot loader.
> So my question is,
> If I am using GRUB as boot loader then, what is the starting physical
> address of real mode kernel?
>
It is dynamically assigned at run time. GRUB allocates it below 640K
based on information about available memory.