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docs: Consolidate AArch64 guest booting doc into README

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Take the opportunity to fix a bug in the `Booting the guest VM` doc
in README.

Signed-off-by: Henry Wang <Henry.Wang@arm.com>
This commit is contained in:
Henry Wang 2022-12-08 00:35:20 -05:00 committed by Rob Bradford
parent de4cd49c6d
commit b93d50582d
2 changed files with 37 additions and 32 deletions
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44
README.md
View File

@ -107,13 +107,10 @@ do not wish to use the pre-built binaries.
## Booting Linux
The instructions below are for the `x86-64` platform. For `AArch64` please see
the [AArch64 specific documentation](docs/arm64.md).
Cloud Hypervisor supports direct kernel boot (if the kernel is built with PVH
support) or booting via a firmware (either [Rust Hypervisor
Cloud Hypervisor supports direct kernel boot (the x86-64 kernel requires the kernel
built with PVH support) or booting via a firmware (either [Rust Hypervisor
Firmware](https://github.com/cloud-hypervisor/rust-hypervisor-firmware) or an
edk2 UEFI firmware called `CLOUDHV`.)
edk2 UEFI firmware called `CLOUDHV` / `CLOUDHV_EFI`.)
Binary builds of the firmware files are available for the latest release of
[Rust Hyperivor
@ -218,6 +215,8 @@ $ qemu-img convert -p -f qcow2 -O raw focal-server-cloudimg-arm64.img focal-serv
These sample commands boot the disk image using the custom kernel whilst also
supplying the desired kernel command line.
- x86-64
```shell
$ sudo setcap cap_net_admin+ep ./cloud-hypervisor
$ ./create-cloud-init.sh
@ -230,9 +229,26 @@ $ ./cloud-hypervisor \
--net "tap=,mac=,ip=,mask="
```
- AArch64
```shell
$ sudo setcap cap_net_admin+ep ./cloud-hypervisor
$ ./create-cloud-init.sh
$ ./cloud-hypervisor \
--kernel ./linux-cloud-hypervisor/arch/arm64/boot/Image \
--disk path=focal-server-cloudimg-arm64.raw path=/tmp/ubuntu-cloudinit.img \
--cmdline "console=hvc0 root=/dev/vda1 rw" \
--cpus boot=4 \
--memory size=1024M \
--net "tap=,mac=,ip=,mask="
```
If earlier kernel messages are required the serial console should be used instead of `virtio-console`.
```./cloud-hypervisor \
- x86-64
```shell
$ ./cloud-hypervisor \
--kernel ./linux-cloud-hypervisor/arch/x86/boot/compressed/vmlinux.bin \
--console off \
--serial tty \
@ -243,6 +259,20 @@ If earlier kernel messages are required the serial console should be used instea
--net "tap=,mac=,ip=,mask="
```
- AArch64
```shell
$ ./cloud-hypervisor \
--kernel ./linux-cloud-hypervisor/arch/arm64/boot/Image \
--console off \
--serial tty \
--disk path=focal-server-cloudimg-arm64.raw \
--cmdline "console=ttyAMA0 root=/dev/vda1 rw" \
--cpus boot=4 \
--memory size=1024M \
--net "tap=,mac=,ip=,mask="
```
# 3. Status
Cloud Hypervisor is under active development. The following stability

25
docs/arm64.md
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@ -1,25 +0,0 @@
# How to build and test Cloud Hypervisor on AArch64
This document introduces how to build and test Cloud Hypervisor on AArch64.
Currently, Cloud Hypervisor supports 2 methods of booting on AArch64: UEFI
booting and direct-kernel booting. The document covers both methods.
All the steps are based on Ubuntu. We use the Ubuntu cloud image for guest VM
disk.
### Booting the guest VM
```bash
$ pushd $CLOUDH
$ sudo $CLOUDH/cloud-hypervisor/target/debug/cloud-hypervisor \
--api-socket /tmp/cloud-hypervisor.sock \
--kernel $CLOUDH/linux/arch/arm64/boot/Image \
--disk path=focal-server-cloudimg-arm64.raw \
--cmdline "keep_bootcon console=ttyAMA0 reboot=k panic=1 root=/dev/vda1 rw" \
--cpus boot=4 \
--memory size=4096M \
--net tap=,mac=12:34:56:78:90:01,ip=192.168.1.1,mask=255.255.255.0 \
--serial tty \
--console off
$ popd
```