From: Brian Gerst <bgerst@didntduck.org>
To: ravikumar.chakaravarthy@amd.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Unable to turn paging on!!
Date: Wed, 26 Mar 2003 15:11:38 -0500 [thread overview]
Message-ID: <3E82097A.2040306@didntduck.org> (raw)
In-Reply-To: <99F2150714F93F448942F9A9F112634CA54B3A@txexmtae.amd.com>
ravikumar.chakaravarthy@amd.com wrote:
> I tweaked the kernel and boot loader to load the kernel at 0xdf000000, physical address. I did the following changes to setup the initial page table.
>
> However during boot, in arch/i386/kernel/head.S when the paging bit is set
> movl %eax,%cr0 /* ..and set paging (PG) bit */
>
> My computer hangs!!
>
> Any idea why??
>
> -Ravi
The kernel can only be loaded into memory that is directly mapped, which
is the first 960MB. Why do you need to change the load address?
--
Brian Gerst
next prev parent reply other threads:[~2003-03-26 20:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-26 19:23 Unable to turn paging on!! ravikumar.chakaravarthy
2003-03-26 20:11 ` Brian Gerst [this message]
2003-03-26 20:26 ` William Lee Irwin III
2003-03-26 20:36 ` Richard B. Johnson
-- strict thread matches above, loose matches on Subject: below --
2003-03-27 23:34 ravikumar.chakaravarthy
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