OK, thank you.
I will refine it in the next patches.
On Fri, Nov 22, 2024 at 1:00 PM Alistair Francis <alistai...@gmail.com>
wrote:
> On Wed, Nov 20, 2024 at 5:47 PM Fea.Wang <fea.w...@sifive.com> wrote:
> >
> > Based on the spec, svukte depends on SV39, so it should not be enabled
> > in RV32.
>
> The spec explicitly says it doesn't support RV32.
>
> >
> > Signed-off-by: Fea.Wang <fea.w...@sifive.com>
> > ---
> > target/riscv/tcg/tcg-cpu.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
> > index c62c221696..4273f1f472 100644
> > --- a/target/riscv/tcg/tcg-cpu.c
> > +++ b/target/riscv/tcg/tcg-cpu.c
> > @@ -652,6 +652,11 @@ void riscv_cpu_validate_set_extensions(RISCVCPU
> *cpu, Error **errp)
> > return;
> > }
> >
> > + if (mcc->misa_mxl_max == MXL_RV32 && cpu->cfg.ext_svukte) {
> > + error_setg(errp, "svukte is not supported by to RV32");
>
> "svukte is not supported for RV32"
>
> Alistair
>
> > + return;
> > + }
> > +
> > /*
> > * Disable isa extensions based on priv spec after we
> > * validated and set everything we need.
> > --
> > 2.34.1
> >
> >
>
