All of lore.kernel.org
 help / color / mirror / Atom feed
From: David Daney <ddaney@caviumnetworks.com>
To: Adam Nielsen <a.nielsen@shikadi.net>
Cc: linux-mips@linux-mips.org
Subject: Re: Can you add a signature to the kernel ELF image?
Date: Tue, 24 Nov 2009 15:39:26 -0800	[thread overview]
Message-ID: <4B0C6EAE.7060809@caviumnetworks.com> (raw)
In-Reply-To: <4B0C625B.5070408@shikadi.net>

Adam Nielsen wrote:
> Hi all,
> 
> I'm trying to port the kernel to an NCD HMX X-Terminal (MIPS R4600), but 
> the one thing I have to do before I can actually boot the image is 
> attach a signature to it. I have the signature 'code' in assembly[1], 
> but I'm not sure how to link it so that it ends up as the first bit of 
> code in the ELF image (the very first instruction is a 'b' to jump over 
> the actual signature text.)
> 
> Without this the boot monitor will refuse to boot the kernel.  Any 
> suggestions as to how I might accomplish this?
> 

Edit the linker script (arch/mips/kernel/vmlinux.lds.S)

David Daney

  reply	other threads:[~2009-11-24 23:40 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-24 22:46 Can you add a signature to the kernel ELF image? Adam Nielsen
2009-11-24 23:39 ` David Daney [this message]
2009-11-24 23:44 ` Ralf Baechle
2009-11-25 11:34   ` Adam Nielsen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4B0C6EAE.7060809@caviumnetworks.com \
    --to=ddaney@caviumnetworks.com \
    --cc=a.nielsen@shikadi.net \
    --cc=linux-mips@linux-mips.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.