From: "H. Peter Anvin" <hpa@zytor.com>
To: Brandon Falk <bfalk@gamozolabs.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [question] x86/x86_64 boot process
Date: Tue, 12 Jun 2012 14:15:11 -0700 [thread overview]
Message-ID: <4FD7B15F.1050108@zytor.com> (raw)
In-Reply-To: <CAK9+cJXLYX_20Xovy5Th7aXcznVf--RzF+GxxOWiv2gX6pETng@mail.gmail.com>
On 06/12/2012 02:14 PM, Brandon Falk wrote:
> All I really see related to the post-setup stage is:
>
> 'The 32-bit (non-real-mode) kernel starts at offset (setup_sects+1)*512
> in the kernel file (again, if setup_sects == 0 the real value is 4.)
> It should be loaded at address 0x10000 for Image/zImage kernels and
> 0x100000 for bzImage kernels.'
>
> I've read this document a few times, and it doesn't seem to mention if
> the kernel assists in loading. Do I have to load up the whole
> protected-mode kernel? Just the first few sectors? I guess that's what
> I'm trying to figure out, and I feel the boot.txt has not answered
> that for me.
>
The kernel doesn't load anything, that is the boot loader's job.
-hpa
next prev parent reply other threads:[~2012-06-12 21:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-12 20:49 [question] x86/x86_64 boot process Brandon Falk
2012-06-12 21:05 ` H. Peter Anvin
2012-06-12 21:14 ` Brandon Falk
2012-06-12 21:15 ` H. Peter Anvin [this message]
2012-06-12 21:16 ` H. Peter Anvin
2012-06-12 21:20 ` Brandon Falk
2012-06-12 21:33 ` Brandon Falk
2012-06-12 21:37 ` H. Peter Anvin
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