Re: [RFC PATCH v2] arm: dom0less: add TEE support

[Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>]

Hello all,

Volodymyr Babchuk <Volodymyr_Babchuk@epam.com> writes:

> Extend TEE mediator interface with two functions :
>
>  - tee_get_type_from_dts() returns TEE type based on input string
>  - tee_make_dtb_node() creates a DTB entry for the selected
>    TEE mediator
>
[..]

>  bool __init is_dom0less_mode(void)
>  {
> @@ -650,6 +651,10 @@ static int __init prepare_dtb_domU(struct domain *d, struct kernel_info *kinfo)
>      if ( ret )
>          goto err;
>

I forgot to add

#ifdef CONFIG_TEE

> +    /* We are making assumption that every mediator sets d->arch.tee */
> +    if ( d->arch.tee )
> +        tee_make_dtb_node(kinfo->fdt);
> +
#endif

So build fails if TEE is disabled.

I'll fix this in the next version. Anyways, this is RFC.

>      /*
>       * domain_handle_dtb_bootmodule has to be called before the rest of
>       * the device tree is generated because it depends on the value of
> @@ -871,6 +876,7 @@ void __init create_domUs(void)
>          unsigned int flags = 0U;
>          uint32_t val;
>          int rc;
> +        const char *tee_name;

[...]

-- 
WBR, Volodymyr