From: "Luck, Tony" <tony.luck@intel.com>
To: linux-ia64@vger.kernel.org
Subject: RE: [Linux-ia64] [patch 2.5.39] allow kernel to be virtually mapp
Date: Wed, 16 Oct 2002 17:56:17 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590709805174@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590709805165@msgid-missing>
Yesterday I wrote:
> This patch provides just the code needed to virtually map the
> kernel to a fixed virtual address from whatever physical address
> it happened to be loaded at (it is assumed that the bootloader
> handled the issue of finding a suitably aligned piece of memory).
Elilo already knows how to find memory, as long as you either use
the "relocatable" keyword in elilo.conf, or the "-r" command-line
option to let it know that it is OK to relocate.
Using this elilo option means that the changes I provided for
vmlinux.ld.S can be very slightly simplified, it isn't necessary
to define BASE_KVADDR as "KERNEL_START + KERNEL_TR_PAGE_SIZE", you
can just use:
#define BASE_KVADDR KERNEL_START
-Tony
prev parent reply other threads:[~2002-10-16 17:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-15 22:12 [Linux-ia64] [patch 2.5.39] allow kernel to be virtually mapped from any physi Luck, Tony
2002-10-16 17:56 ` Luck, Tony [this message]
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