Re: gdb support for SME-without-SVE ?

Peter Maydell via Gdb <[email protected]> Fri, 30 Jan 2026 19:01:20 +0000

Newsgroups	gmane.comp.gdb.devel
Message-ID	<CAFEAcA9F4OCrVSxAfPjnebf13A1_1nYAbvbE7hp7+zyzCez9bw@mail.gmail.com>

On Fri, 30 Jan 2026 at 18:59, Thiago Jung Bauermann
<[email protected]> wrote:
> I was able to enable SME2p1 by adding these options:
>
>     -C cluster0.sve.sme2_version : 1
>     -C cluster1.sve.sme2_version : 1
>
> Now my features list shows sme2p1:
>
> Features        : fp asimd evtstrm crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop asimddp asimdfhm dit uscat ilrcpc flagm sb paca pacg gcs dcpodp flagm2 frint i8mm bf16 dgh rng bti ecv afp sme smei16i64 smef64f64 smei8i32 smef16f32 smeb16f32 smef32f32 wfxt ebf16 cssc sme2 sme2p1 smei16i32 smebi32i32 mops hbc poe lsfe
>
> I still get only passes in the testcase, but more tests were run now:
>
>                 === gdb Summary ===
>
> # of expected passes            286
>
> The sme2_version option goes all the way to SME2p3, but I didn't try
> that one.

Great -- this must be a QEMU issue.

-- PMM