Re: [PATCH v7 0/4] Add support for FEAT_TLBIOS and FEAT_TLBIRANGE

[Rebecca Cran]

Hi Richard,


Could you review this patch series again please?

I've fixed several issues recently, and am interested to know if it's 
ready to commit or would need further changes.


--

Rebecca Cran


On 4/14/2021 2:32 PM, Rebecca Cran wrote:
> ARMv8.4 adds the mandatory FEAT_TLBIOS and FEAT_TLBIRANGE.
> They provides TLBI maintenance instructions that extend to the Outer
> Shareable domain and that apply to a range of input addresses.
>
> Changes from v6 to v7:
>
> o Fixed the tlbi_aa64_rvae1_write the tlbi_aa64_rvae1is_write functions
>    to pass the correct value into functions which use an ARMMMUIdx.
>
> o Fixed comments in helper.c which referred to non-existent instructions.
>
> Testing:
>
> o Booted Linux 5.11 - verified the previous assert failure in qemu is
>    resolved.
> o Ran checkpatch.pl.
>
> Rebecca Cran (4):
>    accel/tcg: Add TLB invalidation support for ranges of addresses
>    target/arm: Add support for FEAT_TLBIRANGE
>    target/arm: Add support for FEAT_TLBIOS
>    target/arm: set ID_AA64ISAR0.TLB to 2 for max AARCH64 CPU type
>
>   accel/tcg/cputlb.c      | 130 ++++++-
>   include/exec/exec-all.h |  46 +++
>   target/arm/cpu.h        |  10 +
>   target/arm/cpu64.c      |   1 +
>   target/arm/helper.c     | 371 ++++++++++++++++++++
>   5 files changed, 555 insertions(+), 3 deletions(-)