From 94682c6d1d1a8e719f2aef52e9c835315bbfa73d Mon Sep 17 00:00:00 2001 From: Peter Hoyes Date: Thu, 24 Feb 2022 11:08:33 +0000 Subject: [PATCH] arm-bsp/docs: Minor fvp-baser-aemv8r64 updates * Add clarification on how to mount p9 device * Remove instruction to use ctrl + c to stop FVP * Add cache_state_modelled to Known Issues Issue-Id: SCM-3871 Signed-off-by: Peter Hoyes Change-Id: I122c5ae5b3ceee1d106205d93a006f75bdbfa2bf Signed-off-by: Jon Mason --- .../documentation/fvp-baser-aemv8r64.md | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/meta-arm-bsp/documentation/fvp-baser-aemv8r64.md b/meta-arm-bsp/documentation/fvp-baser-aemv8r64.md index 1c723d9b..85fabe53 100644 --- a/meta-arm-bsp/documentation/fvp-baser-aemv8r64.md +++ b/meta-arm-bsp/documentation/fvp-baser-aemv8r64.md @@ -171,18 +171,11 @@ To run an image after the build is done with the Real-Time Linux kernel **Note:** The terminal console login is `root` without password. -To finish the fvp emulation, you need to close the telnet session and stop the -runfvp script: - -1. To close the telnet session: +To finish the fvp emulation, you need to close the telnet session: - Escape to telnet console with ``ctrl+]``. - Run ``quit`` to close the session. -2. To stop the runfvp: - - - 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 @@ -195,6 +188,14 @@ launching the model: --parameter 'bp.virtiop9device.root_path=/path/to/host-mount-dir' +e.g. for the standard Linux kernel: + + kas shell --keep-config-unchanged \ + meta-arm/kas/fvp-baser-aemv8r64-bsp.yml \ + --command "../layers/meta-arm/scripts/runfvp \ + --console --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: @@ -216,6 +217,8 @@ Known Issues and Limitations - Only PSCI CPU\_ON and CPU\_OFF functions are supported - Linux kernel does not support booting from secure EL2 on Armv8-R AArch64 - Linux KVM does not support Armv8-R AArch64 +- Enabling the FVP parameter `cache_state_modelled` is incompatible with virtio + devices Change Log ----------