Hugo,
This is how I did it:
Here is an example of enabling SMC forwarding for the zcu102 development board: https://github.com/seL4/microkit/commit/b6a1386cdd2488b416dbc280ebcea87e4490...
You will then need to follow the Microkit readme to build your own Microkit with that change.
Then you need to set `smc="true"` in any PDs where you want to enable SMC forwarding. Here is an example for a vmm: https://github.com/dornerworks/inspecta-open-platform/blob/main/open-platfor...
The kernel implementation allows for fine-grained control over specifically which SMC calls are allowed by a PD, however, I don't think Microkit has implemented that granularity yet. That means you can either forward all SMC calls or none of them.
Thanks, Robbie
-----Original Message----- From: Hugo V.C. via Devel <devel@sel4.systems> Sent: Thursday, March 6, 2025 4:37 AM To: Ivan Velickovic <i.velickovic@unsw.edu.au> Cc: devel <devel@sel4.systems> Subject: [seL4] Re: Release 2.0.0 of Microkit
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Thank you Robert! I'll give it a try. On Thursday, March 6, 2025, Robert VanVossen < Robert.VanVossen@dornerworks.com> wrote: the content is safe.
Hi Ivan,
where I can find info about:
"Add support for ARM platforms to use SMC forwarding.
Note that this requires a kernel option to be set that right now is
not set by default on any ARM platforms in Microkit."
I want to enable SMC forwarding.
Best,
On Thursday, March 6, 2025, Ivan Velickovic via Devel <devel@sel4.systems> wrote:
Hello everyone,
There is a new release of Microkit, version 2.0.0.
This release contains various bug fixes, quality-of-life changes, features, and new board support.
This is a major version bump due to a breaking change. Below the release notes, there is a section on how to upgrade from Microkit 1.4.1.
You can download the pre-built SDK from GitHub: https://github.com/seL4/microkit/releases/tag/2.0.0
Ivan
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