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Re: Idea: Move kernel to upper memory

From: BVK
Subject: Re: Idea: Move kernel to upper memory
Date: Sat, 6 Sep 2008 19:44:50 +0530

On Fri, Sep 5, 2008 at 12:49 AM, Robert Millan <address@hidden> wrote:
> On Wed, Sep 03, 2008 at 04:15:33PM +0530, BVK Chaitanya wrote:
>> Since payload(s) needs to be present at their precise positions only
>> after the boot command, we can always deterministically /schedule/
>> memmove operation to be executed as part of boot command.
>> Since boot command is the last command executed by GRUB (correct me if
>> not), we can overwrite any GRUB code/data at that point.  This also
>> needs boot command to exist in low memory.
> This is already done.  See grub_multiboot_{forward,backward}_relocator
> variables and how they're used in the multiboot loader.

OK, fine :-)


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