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arm-bsp/fvp-baser-aemv8r64: add support for virtio-9p

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This patch adds a device tree entry and kernel configs to enable file
sharing between the host and the FVP using the virtio P9 device
component.

Issue-Id: SCM-2299
Signed-off-by: Hugo L'Hostis <hugo.lhostis@arm.com>
Change-Id: Icd757e3c6281e5e84985a3caac72e860a4aeee7f
Signed-off-by: Jon Mason <jon.mason@arm.com>
This commit is contained in:
Hugo L'Hostis
2021-07-30 15:51:13 +01:00
committed by Jon Mason
parent 4371f0daee
commit 1b7c5b2010
5 changed files with 30 additions and 0 deletions
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meta-arm-bsp/documentation/fvp-baser-aemv8r64.md
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@@ -152,10 +152,28 @@ runfvp script:
- Type ``ctrl+c`` and wait for kas process to finish.
### File sharing between host and fvp
It is possible to share a directory between the host machine and the fvp using
the virtio P9 device component included in the kernel. To do so, create a
directory to be mounted from the host machine:
mkdir /path/to/host-mount-dir
Then, add the following parameter containing the path to the directory when
launching the model:
--parameter 'bp.virtiop9device.root_path=/path/to/host-mount-dir'
Once you are logged into the fvp, the host directory can be mounted in a
directory on the model using the following command:
mount -t 9p -o trans=virtio,version=9p2000.L FM /path/to/fvp-mount-dir
Devices supported in the kernel
-------------------------------
- serial
- virtio 9p
- virtio disk
- virtio network
- watchdog