On Sat, Feb 11, 2023 at 1:56 AM Ryan Roberts <ryan.roberts@xxxxxxx> wrote: > > On 27/01/2023 11:22, Suzuki K Poulose wrote: > > [...] > > > Running the stack > > ==================== > > > > To run/test the stack, you would need the following components : > > > > 1) FVP Base AEM RevC model with FEAT_RME support [4] > > 2) TF-A firmware for EL3 [5] > > 3) TF-A RMM for R-EL2 [3] > > 4) Linux Kernel [6] > > 5) kvmtool [7] > > 6) kvm-unit-tests [8] > > > > Instructions for building the firmware components and running the model are > > available here [9]. Once, the host kernel is booted, a Realm can be launched by > > invoking the `lkvm` commad as follows: > > > > $ lkvm run --realm \ > > --measurement-algo=["sha256", "sha512"] \ > > --disable-sve \ > > <normal-vm-options> > > > > Where: > > * --measurement-algo (Optional) specifies the algorithm selected for creating the > > initial measurements by the RMM for this Realm (defaults to sha256). > > * GICv3 is mandatory for the Realms. > > * SVE is not yet supported in the TF-RMM, and thus must be disabled using > > --disable-sve > > > > You may also run the kvm-unit-tests inside the Realm world, using the similar > > options as above. > > Building all of these components and configuring the FVP correctly can be quite > tricky, so I thought I would plug a tool we have called Shrinkwrap, which can > simplify all of this. > > The tool accepts a yaml input configuration that describes how a set of > components should be built and packaged, and how the FVP should be configured > and booted. And by default, it uses a Docker container on its backend, which > contains all the required tools, including the FVP. You can optionally use > Podman or have it run on your native system if you prefer. It supports both > x86_64 and aarch64. And you can even run it in --dry-run mode to see the set of > shell commands that would have been executed. > > It comes with two CCA configs out-of-the-box; cca-3world.yaml builds TF-A, RMM, > Linux (for both host and guest), kvmtool and kvm-unit-tests. cca-4world.yaml > adds Hafnium and some demo SPs for the secure world (although since Hafnium > requires x86_64 to build, cca-4world.yaml doesn't currently work on an aarch64 > build host). > > See the documentation [1] and repository [2] for more info. > > Brief instructions to get you up and running: > > # Install shrinkwrap. (I assume you have Docker installed): > sudo pip3 install pyyaml termcolor tuxmake > git clone https://git.gitlab.arm.com/tooling/shrinkwrap.git > export PATH=$PWD/shrinkwrap/shrinkwrap:$PATH > > # If running Python < 3.9: > sudo pip3 install graphlib-backport > > # Build all the CCA components: > shrinkwrap build cca-3world.yaml [--dry-run] This has been working on my Multipass instance on M1, thanks for the tool. Thanks, Itaru. > > # Run the stack in the FVP: > shrinkwrap run cca-3world.yaml -r ROOTFS=<my_rootfs.ext4> [--dry-run] > > By default, building is done at ~/.shrinkwrap/build/cca-3world and the package > is created at ~/.shrinkwrap/package/cca-3world (this can be changed with > envvars). > > The 'run' command will boot TF-A, RMM and host Linux kernel in the FVP, and > mount the provided rootfs. You will likely want to have copied the userspace > pieces into the rootfs before running, so you can create realms: > > - ~/.shrinkwrap/package/cca-3world/Image (kernel with RMI and RSI support) > - ~/.shrinkwrap/package/cca-3world/lkvm (kvmtool able to launch realms) > - ~/.shrinkwrap/package/cca-3world/kvm-unit-tests.tgz (built kvm-unit-tests) > > Once the FVP is booted to a shell, you can do something like this to launch a > Linux guest in a realm: > > lkvm run --realm --disable-sve -c 1 -m 256 -k Image > > [1] https://shrinkwrap.docs.arm.com > [2] https://gitlab.arm.com/tooling/shrinkwrap > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
