Hi Marek, On 03/04/2014 19:12, Marek Vasut wrote: > This patch adds the groundwork for generating signed BootStream, which > can be used by the HAB library in i.MX28. We are adding a new target, > u-boot-signed.sb , since the process for generating regular non-signed > BootStream is much easier. Moreover, the signed bootstream depends on > external _proprietary_ _binary-only_ tool from Freescale called 'cst', > which is available only under NDA. > > To make things even uglier, the CST or HAB mandates a kind-of circular > dependency. The problem is, unlike the regular IVT, which is generated > by mxsimage, the IVT for signed boot must be generated by hand here due > to special demands of the CST. The U-Boot binary (or SPL binary) and IVT > are then signed by the CST as a one block. But here is the problem. The > size of the entire image (U-Boot, IVT, CST blocks) must be appended at > the end of IVT. But the size of the entire image is not known until the > CST has finished signing the U-Boot and IVT. We solve this by expecting > the CST block to be always 3904B (which it is in case two files, U-Boot > and the hand-made IVT, are signed in the CST block). > > Signed-off-by: Marek Vasut <[email protected]> > Cc: Stefano Babic <[email protected]> > --- > Makefile | 2 + > arch/arm/cpu/arm926ejs/mxs/Makefile | 60 > ++++++++++++++++++++++++++ > arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg | 10 +++++ > 3 files changed, 72 insertions(+) > create mode 100644 arch/arm/cpu/arm926ejs/mxs/mxsimage-signed.cfg > > NOTE: Stefano, I had to tweak this to play well with kbuild. >
ok - only to track what we have already discussed via IIRC. The patch was already accepted, but it conflicts with current u-boot-arm. I revert it on u-boot-imx, and Marek rebased it. Marek, I could not apply it directly after merging u-boot-arm - maybe because we set on different commit id. Never mind, I merge it again and it looks ok. I have pushed a -test branch on u-boot-imx after merging u-boot-arm and your patches. It looks ok, and if you do not complain, I will send it to Albert for inclusion in u-boot-arm. Thanks, Stefano -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected] ===================================================================== _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
