Re: [PATCH v3 0/4] target/arm: Support for Data Cache Clean up to PoP

[Peter Maydell]

On Thu, 21 Nov 2019 at 00:09, Beata Michalska
<address@hidden> wrote:
>
> ARMv8.2 introduced support for Data Cache Clean instructions to PoP
> (point-of-persistence) and PoDP (point-of-deep-persistence):
> ARMv8.2-DCCVAP &  ARMv8.2-DCCVADP respectively.
> This patch set adds support for emulating both, though there is no
> distinction between the two points: the PoDP is assumed to represent
> the same point of persistence as PoP. Case there is no such point specified
> for the considered memory system both will fall back to the DV CVAC inst
> (clean up to the point of coherency).
> The changes introduced include adding probe_read for validating read memory
> access to allow verification for mandatory read access for both cache
> clean instructions, along with support for writeback for requested memory
> regions through msync, if one is available, based otherwise on fsyncdata.



Applied to target-arm.next for 5.0, thanks.

-- PMM