Re: [PATCH v2 0/9] s390x/tcg: Implement some z14 facilities

[Cornelia Huck]

On Mon, 28 Sep 2020 14:27:08 +0200
David Hildenbrand <david@redhat.com> wrote:

> With this patchset, I can boot a kernel compiled for z14 (requiring
> Miscellaneous-Instruction-Extensions Facility 2) (using -cpu max).
> 
> I am currently working on "vector-enhancements facility 1", I have most
> stuff in place except:
> - VECTOR FP (MAXIMUM|MINIMUM): needs some manual work to cover all types of
>                                comparisons.
> 
> Once we have that in place, we can convert the QEMU machine to a
> stripped-down z14.
> 
> v1 -> v2:
> - "s390x/cpu_model: S390_FEAT_MISC_INSTRUCTION_EXT ->
>    S390_FEAT_MISC_INSTRUCTION_EXT2"
> -- Added
> - "s390x/tcg: Implement BRANCH INDIRECT ON CONDITION (BIC)"
> -- Use new helper instead
> - "s390x/tcg: Implement MULTIPLY SINGLE (MSC, MSGC, MSGRKC, MSRKC)"
> -- Tune comparisons in CC computation
> 
> David Hildenbrand (9):
>   s390x/cpu_model: S390_FEAT_MISC_INSTRUCTION_EXT ->
>     S390_FEAT_MISC_INSTRUCTION_EXT2
>   s390x/tcg: Implement ADD HALFWORD (AGH)
>   s390x/tcg: Implement SUBTRACT HALFWORD (SGH)
>   s390x/tcg: Implement MULTIPLY (MG, MGRK)
>   s390x/tcg: Implement MULTIPLY HALFWORD (MGH)
>   s390x/tcg: Implement BRANCH INDIRECT ON CONDITION (BIC)
>   s390x/tcg: Implement MULTIPLY SINGLE (MSC, MSGC, MSGRKC, MSRKC)
>   s390x/tcg: We support Miscellaneous-Instruction-Extensions Facility 2
>   s390x/tcg: Implement CIPHER MESSAGE WITH AUTHENTICATION (KMA)
> 
>  target/s390x/cc_helper.c            | 32 +++++++++++++++++++
>  target/s390x/cpu_features_def.h.inc |  2 +-
>  target/s390x/gen-features.c         |  4 ++-
>  target/s390x/helper.c               |  2 ++
>  target/s390x/insn-data.def          | 12 ++++++++
>  target/s390x/internal.h             |  2 ++
>  target/s390x/translate.c            | 48 +++++++++++++++++++++++++++++
>  7 files changed, 100 insertions(+), 2 deletions(-)

Working on preparing a pull request... I think this still misses review
on two patches?