Re: [Xen-devel] [PATCH v2 8/9] xen: arm: support for up to 48-bit physical addressing on arm64

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Ian,

On 04/09/14 09:14, Ian Campbell wrote:
> This only affects Xen's own stage one paging.
>
> - Use symbolic names for TCR bits for clarity.
> - Update PADDR_BITS
> - Base field of LPAE PT structs is now 36 bits (and therefore
>    unsigned long long for arm32 compatibility)
> - TCR_EL2.PS is set from ID_AA64MMFR0_EL1.PASize.
> - Provide decode of ID_AA64MMFR0_EL1 in CPU info
>
> Parts of this are derived from "xen/arm: Add 4-level page table for
> stage 2 translation" by Vijaya Kumar K.
>
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Reviewed-by: Julien Grall <julien.grall@xxxxxxxxxx>

Regards,

--
Julien Grall

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