Re: [PATCH 00/11] tcg/riscv: Support for Zba, Zbb, Zicond extensions

[Daniel Henrique Barboza]

On 5/3/23 05:56, Richard Henderson wrote:
> Based-on: 20230503070656.1746170-1-richard.henderson@linaro.org
> ("[PATCH v4 00/57] tcg: Improve atomicity support")
>
> I've been vaguely following the __hw_probe syscall progress
> in the upstream kernel.  The initial version only handled
> bog standard F+D and C extensions, which everything expects
> to be present anyway, which was disappointing.  But at least
> the basis is there for proper extensions.
>
> In the meantime, probe via sigill.  Tested with qemu-on-qemu.
> I understand the Ventana core has all of these, if you'd be
> so kind as to test.

I'll run this series with upstream kernel on a real HW as soon as able.
(hopefully this month).

I think this is good to go regardless of HW testing though.


Daniel

> r~
>
>
> Richard Henderson (11):
>    disas/riscv: Decode czero.{eqz,nez}
>    tcg/riscv: Probe for Zba, Zbb, Zicond extensions
>    tcg/riscv: Support ANDN, ORN, XNOR from Zbb
>    tcg/riscv: Support ADD.UW, SEXT.B, SEXT.H, ZEXT.H from Zba+Zbb
>    tcg/riscv: Use ADD.UW for guest address generation
>    tcg/riscv: Support rotates from Zbb
>    tcg/riscv: Support REV8 from Zbb
>    tcg/riscv: Support CPOP from Zbb
>    tcg/riscv: Improve setcond expansion
>    tcg/riscv: Implement movcond
>    tcg/riscv: Support CTZ, CLZ from Zbb
>
>   tcg/riscv/tcg-target-con-set.h |   3 +
>   tcg/riscv/tcg-target-con-str.h |   1 +
>   tcg/riscv/tcg-target.h         |  48 +--
>   disas/riscv.c                  |   8 +-
>   tcg/riscv/tcg-target.c.inc     | 612 +++++++++++++++++++++++++++++----
>   5 files changed, 587 insertions(+), 85 deletions(-)