Re: [RFC 0/4] FIT Support

[Sascha Hauer <s.hauer@pengutronix.de>]

On Wed, Nov 11, 2015 at 12:39:14PM +0100, Yegor Yefremov wrote:
> On Thu, Mar 12, 2015 at 3:39 PM, Jan Luebbe <jlu@pengutronix.de> wrote:
> > Hi,
> >
> > this is the current work-in-progress state of my FIT support patches.
> > The FIT loading code has basically been rewritten from scratch, as the
> > original U-Boot code uses libfdt and barebox's DT support works on an
> > in-memory tree.
> >
> > These patches apply on v2015.03.0.
> > The two patches from Sascha are required for the basic RSA support.
> > The third patch adds FIT support.
> > The fourth patch contains some test data to use in the sandbox.
> >
> > $ ./barebox -i key.dtb -i sign-configs.itb
> > add file key.dtb()
> > add file sign-configs.itb()
> >
> > barebox 2015.03.0-00005-g574d35e191f7-dirty #81 Thu Mar 12 14:57:13 CET 2015
> >
> > Board: barebox sandbox
> > ...
> > Hit any key to stop autoboot:  3
> > barebox@barebox sandbox:/ oftree -l /dev/fd0
> > barebox@barebox sandbox:/ bootm /dev/fd1
> >
> > Loading open firmware Device Tree flattened Binary '/dev/fd1'
> > FIT '/dev/fd1': 'Chrome OS kernel image with one or more FDT blobs'
> > FIT configuration 'conf@1' (no description)
> > sig OK
> > FIT image 'kernel@1' (no description)
> > hash OK
> > FIT image 'fdt@1': 'snow'
> > hash OK
> >
> > Jan Luebbe (2):
> >   FIT: add FIT image support
> >   FIT: add test config and data [do not merge]
> >
> > Sascha Hauer (2):
> >   digest: Make filename arguments const
> >   Add rsa support
> >
> >  arch/arm/lib/bootm.c                   |  74 +++++
> >  arch/sandbox/configs/sandbox_defconfig |  33 +-
> >  commands/Kconfig                       |   8 +
> >  common/Kconfig                         |   7 +
> >  common/Makefile                        |   1 +
> >  common/digest.c                        |   8 +-
> >  common/image-fit.c                     | 585 +++++++++++++++++++++++++++++++++
> >  crypto/Kconfig                         |   3 +
> >  crypto/Makefile                        |   1 +
> >  crypto/rsa.c                           | 411 +++++++++++++++++++++++
> >  include/asm-generic/errno.h            |   5 +
> >  include/digest.h                       |   8 +-
> >  include/image-fit.h                    |  42 +++
> >  include/rsa.h                          |  54 +++
> >  key.dtb                                | Bin 0 -> 1023 bytes
> >  key.dts                                |  27 ++
> >  sign-configs.itb                       | Bin 0 -> 2453 bytes
> >  17 files changed, 1247 insertions(+), 20 deletions(-)
> >  create mode 100644 common/image-fit.c
> >  create mode 100644 crypto/rsa.c
> >  create mode 100644 include/image-fit.h
> >  create mode 100644 include/rsa.h
> >  create mode 100644 key.dtb
> >  create mode 100644 key.dts
> >  create mode 100644 sign-configs.itb
> >
> > --
> > 2.1.4
> 
> What the state of FIT support in Barebox?

The state is: We have and use these patches, the newest version is based
on v2015.09. I don't know what's different in our current version
compared to this posted version.

I think we should mainline them quite soon, they are more helpful
in-tree.

Steffen, Marc, Markus? Any volunteers to resend them?

Sascha

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