Re: [XEN v3 9/9] xen/arm: p2m: Enable support for 32bit IPA

[Julien Grall <julien@xxxxxxx>]

Hi Ayan,

On 08/02/2023 12:05, Ayan Kumar Halder wrote:
> VTCR.T0SZ should be set as 0x20 to support 32bit IPA.
> Refer ARM DDI 0487I.a ID081822, G8-9824, G8.2.171, VTCR,
> "Virtualization Translation Control Register" for the bit descriptions.
>
> Signed-off-by: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
> Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
This will need a respin based on the discussion we had in v2. The main 
things are:
   - 32-bit IPA will be using one page at the root (not 2 like for 
40-bit IPA)
   - the code should be consolidate with arm64 as the logic is mainly 
the same.
Cheers,

--
Julien Grall