From: "H. Peter Anvin" <hpa@zytor.com>
To: Graeme Russ <graeme.russ@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: x86 embedded - Problem getting past 'move compressed kernel before decompression'
Date: Mon, 01 Mar 2010 08:46:41 -0800 [thread overview]
Message-ID: <4B8BEF71.5040105@zytor.com> (raw)
In-Reply-To: <4B8BAB5C.5030707@gmail.com>
On 03/01/2010 03:56 AM, Graeme Russ wrote:
>
> I have done a little more digging. By adding an ascii string before
> relocated: label, I am able to determine that the int3 after the relocated:
> label exists in bzImage at offset 0x1C3FD7
>
> EAX holds (for the jump) 0x5379d0 (different bzImage of course). The
> contents of memory at this address is in bzImage at offset 0x1C09D7 - A
> difference of 0x3600 (seems too even to be random)
>
> I'm obviously doing something hideously wrong, but what?
>
0x3600 sounds like the size of the real-mode code in bzImage.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2010-03-01 16:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-21 2:03 x86 embedded - Problem getting past 'move compressed kernel before decompression' Graeme Russ
2010-02-21 5:45 ` H. Peter Anvin
2010-02-21 5:53 ` H. Peter Anvin
2010-02-21 9:11 ` Yuhong Bao
2010-02-21 22:51 ` Graeme Russ
2010-02-27 5:06 ` Graeme Russ
2010-03-01 11:56 ` Graeme Russ
2010-03-01 16:46 ` H. Peter Anvin [this message]
2010-03-01 19:41 ` Graeme Russ
2010-03-01 19:43 ` H. Peter Anvin
2010-03-01 19:59 ` Graeme Russ
2010-03-05 13:02 ` Graeme Russ
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