The vmm
app enables booting a guest operating system using the Zircon hypervisor.
These instructions will guide you through creating minimal Zircon and Linux guests. For instructions on building a more comprehensive linux guest system see the debian_guest package.
These instructions assume a general familiarity with how to netboot the target device.
Configure, build, and boot the guest package as follows:
$ fx set x64 --packages garnet/packages/experimental/disabled/linux_guest,garnet/packages/experimental/disabled/zircon_guest --args guest_display=\"framebuffer\" $ fx full-build $ fx boot
Configure, build, and boot the guest package as follows:
$ fx set arm64 --packages garnet/packages/experimental/disabled/linux_guest,garnet/packages/experimental/disabled/zircon_guest $ fx full-build $ fx run
After netbooting the target device, to run Zircon:
$ guest launch zircon_guest
Likewise, to launch a Linux guest:
$ guest launch linux_guest
Running a guest on QEMU on x64 requires kvm (i.e. pass -k
to fx run):
$ fx run -k
Running a guest on QEMU on arm64 requires either using GICv2 (pass -G 2
).
$ fx run -G 2
Or using a more recent version of QEMU (try 2.12.0). Older versions of QEMU do not correctly emulate GICv3 when running with multiple guest VCPUs. If you do this, then you will need to launch the guest with gic=3
.
$ fx run -q /path/to/recent/qemu/aarch64-softmmu ... $ guest launch (linux_guest|zircon_guest) --gic=3
To run from Topaz, configure the guest package as follows:
$ fx set x64 --packages topaz/packages/topaz,garnet/packages/experimental/disabled/linux_guest,garnet/packages/experimental/disabled/zircon_guest
After netbooting the guest packages can be launched from the system launcher as linux_guest
and zircon_guest
.
First flash Zedboot onto your VIM2:
$ cd $ZIRCON_DIR $ scripts/build-zircon-arm64 $ scripts/flash-vim2 -m
Then configure, build, and boot the guest package as follows:
$ fx set arm64 --packages garnet/packages/experimental/disabled/linux_guest,garnet/packages/experimental/disabled/zircon_guest --args guest_display=\"framebuffer\" --netboot $ fx full-build $ fx boot vim2
Guest systems can be configured by including a config file inside the guest package:
{ "type": "object", "properties": { "kernel": { "type": "string" }, "ramdisk": { "type": "string" }, "block": { "type": "string" }, "cmdline": { "type": "string" }, "balloon-demand-page": { "type": "string" }, "balloon-interval": { "type": "string" }, "balloon-threshold": { "type": "string" }, } }