linux-kernel - Re: [PATCH v8 2/4] KEYS: trusted: Introduce TEE based Trusted Keys

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Message-ID: <YBs6WsGifYudzzPB@kernel.org>
Date:   Thu, 4 Feb 2021 02:05:46 +0200
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Sumit Garg <sumit.garg@...aro.org>
Cc:     Jerome Forissier <jerome@...issier.org>,
        "open list:SECURITY SUBSYSTEM" 
        <linux-security-module@...r.kernel.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        op-tee@...ts.trustedfirmware.org, Jonathan Corbet <corbet@....net>,
        James Bottomley <jejb@...ux.ibm.com>,
        Janne Karhunen <janne.karhunen@...il.com>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        James Morris <jmorris@...ei.org>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        David Howells <dhowells@...hat.com>,
        Luke Hinds <lhinds@...hat.com>,
        "open list:ASYMMETRIC KEYS" <keyrings@...r.kernel.org>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Casey Schaufler <casey@...aufler-ca.com>,
        linux-integrity@...r.kernel.org,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        "Yann E. MORIN" <yann.morin.1998@...e.fr>
Subject: Re: [PATCH v8 2/4] KEYS: trusted: Introduce TEE based Trusted Keys

On Mon, Jan 25, 2021 at 02:47:38PM +0530, Sumit Garg wrote:
> The main reason to guide you towards the OP-TEE build system is that
> you will be able to build all the firmwares (TF-A, OP-TEE, edk2 etc.)
> from source. If you don't need to rebuild those then I have prepared a
> flash firmware binary blob for your testing (attached flash.bin). So
> Qemu cmdline will look like:
> 
> $ qemu-system-aarch64 -nographic -s -machine virt,secure=on -cpu
> cortex-a57 -kernel out/bin/Image -no-acpi -append
> 'console=ttyAMA0,38400 keep_bootcon root=/dev/vda2' -initrd
> out/bin/rootfs.cpio.gz -smp 2 -m 1024 -bios flash.bin -d unimp
> 
> Here you can use "Image" and "rootfs.cpio.gz" from your plain BR builds.
> 
> Give it a try and let me know if this works for you.

Sumit, I can try this again now :-) Thanks Yann for fixing the issue!

https://git.busybox.net/buildroot/commit/?id=b9e7adc152b5811b20724d8c05f0f2117254919c

/Jarkko