From: Albert ARIBAUD <albert.aribaud@free.fr>
To: u-boot@lists.denx.de
Subject: [U-Boot] CONFIG_SKIP_RELOCATE_UBOOT still used?
Date: Fri, 29 Oct 2010 11:32:51 +0200 [thread overview]
Message-ID: <4CCA94C3.8050502@free.fr> (raw)
In-Reply-To: <4CC96279.3030901@ahsoftware.de>
Le 28/10/2010 13:46, Alexander Holler a ?crit :
> Am 28.10.2010 13:16, schrieb Reinhard Meyer:
>>> CONFIG_SKIP_RELOCATE_UBOOT
>>
>> The old way in ARM before ELF relocation was introduced. A misnomer because it seemingly
>> skipped the *COPY* of the image from whereever it was loaded to the TEXT_BASE
>> location. There was no real *RELOCATION* done there. This define probably does not work
>> anymore. It was set on ARM boards where a preloader did load u-boot to the
>> TEXT_BASE address.
>>
>> In an up to date ARM system all those defines MUST NOT be set.
>
> Thanks for that explanation.
>
> In regard to CONFIG_SKIP_RELOCATE_UBOOT I've hit a typo in
> arch/arm/cpu/arm926ejs/start.S while trying to use this define to build
> a non relocatable u-boot. In line 383 there is
>
> ldr pc, r0
>
> which seems to should be
>
> ldr pc, [r0]
I don't think it should. r0 is computed to be the address at which to
branch, so the branch there is direct, not indirect. That could be
changed to "mov pc, r0" for clarity, though.
Amicalement,
--
Albert.
next prev parent reply other threads:[~2010-10-29 9:32 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-27 7:26 [U-Boot] Most ARM CPU's have buggy clear_bss? Darius Augulis
2010-10-27 8:01 ` Sughosh Ganu
2010-10-27 8:22 ` Darius Augulis
2010-10-27 8:54 ` Sughosh Ganu
2010-10-27 8:58 ` Darius Augulis
2010-10-27 9:09 ` Sughosh Ganu
2010-10-27 10:10 ` Darius Augulis
2010-10-27 10:40 ` Wolfgang Denk
2010-10-27 10:59 ` Darius Augulis
2010-10-27 11:41 ` Wolfgang Denk
2010-10-27 15:12 ` Eric Cooper
2010-10-27 18:11 ` Darius Augulis
2010-10-28 5:50 ` Heiko Schocher
2010-10-28 6:09 ` Reinhard Meyer
2010-10-28 6:17 ` Heiko Schocher
2010-10-28 6:20 ` Reinhard Meyer
2010-10-28 6:23 ` Reinhard Meyer
2010-10-28 6:35 ` Heiko Schocher
2010-10-28 6:14 ` Heiko Schocher
2010-10-28 6:36 ` Reinhard Meyer
2010-10-28 6:56 ` Darius Augulis
2010-10-28 8:36 ` Wolfgang Denk
2010-10-28 8:31 ` Wolfgang Denk
2010-10-28 8:39 ` Wolfgang Denk
2010-10-28 8:53 ` Heiko Schocher
2010-10-28 10:23 ` Alexander Holler
2010-10-28 11:16 ` Reinhard Meyer
2010-10-28 11:38 ` Wolfgang Denk
2010-10-28 11:55 ` Reinhard Meyer
2010-10-29 9:29 ` Albert ARIBAUD
2010-10-28 11:46 ` [U-Boot] CONFIG_SKIP_RELOCATE_UBOOT still used? Alexander Holler
2010-10-29 9:32 ` Albert ARIBAUD [this message]
2010-10-29 11:32 ` Alexander Holler
2010-10-29 11:43 ` Albert ARIBAUD
2010-10-29 11:48 ` Wolfgang Denk
2010-10-28 9:03 ` [U-Boot] Most ARM CPU's have buggy clear_bss? Alexander Holler
2010-10-28 9:31 ` Alexander Holler
2010-10-29 8:50 ` Alexander Holler
2010-10-29 9:19 ` Albert ARIBAUD
2010-10-29 11:56 ` Alexander Holler
2010-10-29 12:08 ` Albert ARIBAUD
2010-10-29 12:31 ` Alexander Holler
2010-10-29 13:37 ` Albert ARIBAUD
2010-10-29 13:50 ` Alexander Holler
2010-10-29 14:04 ` Albert ARIBAUD
2010-10-29 14:37 ` Alexander Holler
2010-10-29 14:44 ` Wolfgang Denk
2010-10-29 14:50 ` Alexander Holler
2010-10-29 14:50 ` Reinhard Meyer
2010-10-29 14:58 ` Alexander Holler
2010-10-29 14:54 ` Albert ARIBAUD
2010-10-29 15:05 ` Alexander Holler
2010-10-29 15:23 ` Albert ARIBAUD
2010-10-29 15:32 ` Alexander Holler
2010-10-29 15:38 ` Albert ARIBAUD
2010-10-29 16:56 ` Alexander Holler
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=4CCA94C3.8050502@free.fr \
--to=albert.aribaud@free.fr \
--cc=u-boot@lists.denx.de \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox