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Re: [PATCH v2 1/5] xen/arm: Create tee command line parameter
- To: Bertrand Marquis <bertrand.marquis@xxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 11 Mar 2025 09:35:15 +0100
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- Cc: jens.wiklander@xxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 11 Mar 2025 08:35:22 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 10.03.2025 15:50, Bertrand Marquis wrote:
> --- a/docs/misc/xen-command-line.pandoc
> +++ b/docs/misc/xen-command-line.pandoc
> @@ -2651,6 +2651,20 @@ Specify the per-cpu trace buffer size in pages.
>
> Flag to enable TSC deadline as the APIC timer mode.
>
> +### tee
> +> `= <string>`
This wants an arch restriction, like we have for other command line options
supported only by one arch.
Jan
> +Specify the TEE mediator to be probed and use.
> +
> +The default behaviour is to probe all supported TEEs supported by Xen and use
> +the first one successfully probed. When this parameter is passed, Xen will
> +probe only the TEE mediator passed as argument and boot will fail if this
> +mediator is not properly probed or if the requested TEE is not supported by
> +Xen.
> +
> +This parameter can be set to `optee` of `ffa` if the corresponding mediators
> +are compiled in.
> +
> ### tevt_mask
> > `= <integer>`
>
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