From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 7/9] ARM: move exception vectors away from start of binary
Date: Tue, 20 Dec 2011 15:07:45 +0100 [thread overview]
Message-ID: <20111220140745.GG7899@game.jcrosoft.org> (raw)
In-Reply-To: <1324133529-2036-8-git-send-email-s.hauer@pengutronix.de>
On 15:52 Sat 17 Dec , Sascha Hauer wrote:
> Traditionally U-Boot and barebox have the exception vectors at
> the start of the binary. There is no real reason in doing so,
> because in the majority of cases this data will not be at 0x0
> where it could be used as vectors directly anyway.
> This patch puts the vectors into a separate linker section and
> defines an head function which is placed at the start of the
> image instead. Putting this in a separate function also has
> the advantage that it can be placed at the start of images
> which require an additional header like several Freescale i.MX
> images. As the head function contains the barebox arm magic
> those images can now also be detected aas barebox images.
>
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> ---
> arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c | 3 ++-
> arch/arm/boards/eukrea_cpuimx35/flash_header.c | 3 ++-
> arch/arm/boards/eukrea_cpuimx51/flash_header.c | 3 ++-
> arch/arm/boards/freescale-mx25-3-stack/3stack.c | 3 ++-
> .../boards/freescale-mx35-3-stack/flash_header.c | 3 ++-
> arch/arm/boards/freescale-mx51-pdk/flash_header.c | 3 ++-
> arch/arm/boards/freescale-mx53-loco/flash_header.c | 3 ++-
> arch/arm/boards/freescale-mx53-smd/flash_header.c | 3 ++-
> arch/arm/cpu/mmu.c | 4 ++--
> arch/arm/cpu/start.c | 14 +++++++-------
> arch/arm/include/asm/barebox-arm-head.h | 17 +++++++++++++++++
> arch/arm/include/asm/barebox-arm.h | 2 ++
> arch/arm/lib/barebox.lds.S | 5 ++++-
> 13 files changed, 48 insertions(+), 18 deletions(-)
> create mode 100644 arch/arm/include/asm/barebox-arm-head.h
you need to update the rm9200 too
Best Regards,
J.
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
next prev parent reply other threads:[~2011-12-20 14:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-17 14:52 Thumb-2 support Sascha Hauer
2011-12-17 14:52 ` [PATCH 1/9] ARM i.MX5: prepare to add a imx51_lowlevel_init Sascha Hauer
2011-12-18 14:03 ` Eric Bénard
2011-12-19 10:18 ` Sascha Hauer
2011-12-17 14:52 ` [PATCH 2/9] ARM i.MX51: implement " Sascha Hauer
2011-12-17 14:52 ` [PATCH 3/9] ARM i.MX51 babbage: use generic lowlevel init function Sascha Hauer
2011-12-17 14:52 ` [PATCH 4/9] ARM eukrea i.MX51: use generic lowlevel init Sascha Hauer
2011-12-17 14:52 ` [PATCH 5/9] ARM: update string functions from Linux Kernel Sascha Hauer
2011-12-17 14:52 ` [PATCH 6/9] ARM cache-armv7: use thumb-2 instructions where necessary Sascha Hauer
2011-12-17 14:52 ` [PATCH 7/9] ARM: move exception vectors away from start of binary Sascha Hauer
2011-12-18 23:43 ` Peter Korsgaard
2011-12-20 14:07 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2011-12-21 10:09 ` Sascha Hauer
2012-01-01 4:37 ` Jean-Christophe PLAGNIOL-VILLARD
2012-01-02 14:13 ` Sascha Hauer
2012-01-02 15:09 ` Jean-Christophe PLAGNIOL-VILLARD
2012-01-23 12:07 ` Sascha Hauer
2012-01-24 4:39 ` Jean-Christophe PLAGNIOL-VILLARD
2011-12-17 14:52 ` [PATCH 8/9] ARM: get runtime offset of board_init_lowlevel_return by using separate section Sascha Hauer
2011-12-17 14:52 ` [PATCH 9/9] ARM: Allow to compile in thumb-2 mode Sascha Hauer
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=20111220140745.GG7899@game.jcrosoft.org \
--to=plagnioj@jcrosoft.com \
--cc=barebox@lists.infradead.org \
--cc=s.hauer@pengutronix.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