arm

Necessary artifacts

└── arm
    ├── lmp-factory-image-qemuarm.wic.gz
    └── u-boot-qemuarm.bin

Booting in QEMU

Warning

These instructions require QEMU 5.2 or later.

1. List available Targets and decide on which to boot:

   fioctl targets list
   

Note

Make sure to set the FIOCTL_FACTORY environment variable:

export FIOCTL_FACTORY=<factory>

1. Make a directory to store the artifacts and cd into it.

   mkdir -p lmp-qemu/arm
   cd lmp-qemu/arm
   

2. Download the necessary artifacts for arm, replace <target_number> with the target you would like to boot

   # Download and extract the Factory image
   fioctl targets artifacts <target_number> qemuarm/lmp-factory-image-qemuarm.wic.gz | gunzip > lmp-factory-image-qemuarm.wic
   # Download ATF + OP-TEE + U-Boot binary
   fioctl targets artifacts <target_number> qemuarm/other/u-boot-qemuarm.bin > u-boot-qemuarm.bin
   

3. The directory tree should now look like this

   lmp-qemu/
   └── arm
       ├── lmp-factory-image-qemuarm.wic
       └── u-boot-qemuarm.bin
   

4. Run the QEMU script below against the artifacts inside of lmp-qemu/. You may want to save this as run.sh inside the directory for convenience

Booting Graphically

In order to boot QEMU with an OpenGL capable virtual GPU inside (required for Wayland/Weston), the following flags need to be added to the QEMU CLI:

-display gtk,gl=on -device virtio-gpu-pci

The -nographic flag must also be removed from the QEMU CLI.

QEMU CLI

qemu-system-arm -machine virt,highmem=off -cpu cortex-a7 -m 1024M \
    -bios u-boot-qemuarm.bin \
    -serial mon:vc -serial null \
    -drive id=disk0,file=lmp-factory-image-qemuarm.wic,if=none,format=raw -device virtio-blk-device,drive=disk0 \
    -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0 \
    -device virtio-net-device,netdev=usernet \
    -netdev user,id=usernet,hostfwd=tcp::22222-:22 \
    -no-acpi -d unimp -nographic

Demo