From: Sascha Hauer <sha@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v2 6/6] kbuild: pbl: use same compression algo for both barebox and DTB
Date: Fri, 15 Jul 2022 12:53:18 +0200 [thread overview]
Message-ID: <20220715105318.GO2387@pengutronix.de> (raw)
In-Reply-To: <20220713095730.1878941-6-a.fatoum@pengutronix.de>
Hi Ahmad,
On Wed, Jul 13, 2022 at 11:57:30AM +0200, Ahmad Fatoum wrote:
> From: Ahmad Fatoum <ahmad@a3f.at>
>
> lzop hasn't seen any activity since 2017 and has been recently removed
> from OpenEmbedded, which is unfortunate as we unconditionally use LZO
> for compressing device trees that are referenced via __dtb_z_.
>
> To make barebox easier to integrate, use the same compression algorithm
> for both barebox and compressed DTB.
>
> Note that the decompressor code will be in the image twice: Once in PBL
> in uncompressed form to decompress barebox proper and once in compressed
> form to decompress the DTB.
>
> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> ---
> v1 -> v2:
> - drop LZO/LZ4 hardcoding with autodetection, instead use same algo for both
> ---
> arch/arm/cpu/start.c | 11 ++++++++---
> images/Makefile | 6 ------
> pbl/Kconfig | 5 ++++-
> scripts/Makefile.lib | 11 ++++++++++-
> 4 files changed, 22 insertions(+), 11 deletions(-)
This patch breaks compilation of virt2real_defconfig:
/bin/sh: 1: Syntax error: ";" unexpected
make[1]: *** [scripts/Makefile.lib:349: arch/arm/dts/virt2real.dtb.z] Error 2
make: *** [Makefile:953: arch/arm/dts] Error 2
make: *** Waiting for unfinished jobs....
I haven't looked into it yet.
Sascha
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next prev parent reply other threads:[~2022-07-15 10:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-13 9:57 [PATCH v2 1/6] common: don't allow compressing in-barebox binaries again Ahmad Fatoum
2022-07-13 9:57 ` [PATCH v2 2/6] pbl: make USE_COMPRESSED_DTB a PBL-only feature Ahmad Fatoum
2022-07-13 9:57 ` [PATCH v2 3/6] pbl: remove redundant select UNCOMRPESS Ahmad Fatoum
2022-07-13 9:57 ` [PATCH v2 4/6] kbuild: gen-dtb-s: use Makefile.lib instead of duplicating cmd_lzo Ahmad Fatoum
2022-07-13 9:57 ` [PATCH v2 5/6] pbl: compressed-dtb: use flexible array member to access data Ahmad Fatoum
2022-07-13 9:57 ` [PATCH v2 6/6] kbuild: pbl: use same compression algo for both barebox and DTB Ahmad Fatoum
2022-07-15 10:53 ` Sascha Hauer [this message]
2022-07-15 15:57 ` [PATCH] fixup! " Ahmad Fatoum
2022-07-14 8:08 ` [PATCH v2 1/6] common: don't allow compressing in-barebox binaries again Sascha Hauer
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