On Mon, Nov 04, 2024 at 10:15:56AM +0100, Clément Léger wrote:
>
>
> On 03/11/2024 08:49, Inochi Amaoto wrote:
> > Add parsing for Zfbmin, Zvfbfmin, Zvfbfwma ISA extension which
> > were ratified in 4dc23d62 ("Added Chapter title to BF16") of
> > the riscv-isa-manual.
> >
> > Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxx>
> > ---
> > arch/riscv/include/asm/hwcap.h | 3 +++
> > arch/riscv/kernel/cpufeature.c | 3 +++
> > 2 files changed, 6 insertions(+)
> >
> > diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
> > index 46d9de54179e..97657fb63af6 100644
> > --- a/arch/riscv/include/asm/hwcap.h
> > +++ b/arch/riscv/include/asm/hwcap.h
> > @@ -93,6 +93,9 @@
> > #define RISCV_ISA_EXT_ZCMOP 84
> > #define RISCV_ISA_EXT_ZAWRS 85
> > #define RISCV_ISA_EXT_SVVPTC 86
> > +#define RISCV_ISA_EXT_ZFBFMIN 87
> > +#define RISCV_ISA_EXT_ZVFBFMIN 88
> > +#define RISCV_ISA_EXT_ZVFBFWMA 89
> >
> > #define RISCV_ISA_EXT_XLINUXENVCFG 127
> >
> > diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
> > index 3a8eeaa9310c..1b286f5bc591 100644
> > --- a/arch/riscv/kernel/cpufeature.c
> > +++ b/arch/riscv/kernel/cpufeature.c
> > @@ -325,6 +325,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
> > __RISCV_ISA_EXT_DATA(zacas, RISCV_ISA_EXT_ZACAS),
> > __RISCV_ISA_EXT_DATA(zawrs, RISCV_ISA_EXT_ZAWRS),
> > __RISCV_ISA_EXT_DATA(zfa, RISCV_ISA_EXT_ZFA),
> > + __RISCV_ISA_EXT_DATA(zfbfmin, RISCV_ISA_EXT_ZFBFMIN),
> > __RISCV_ISA_EXT_DATA(zfh, RISCV_ISA_EXT_ZFH),
> > __RISCV_ISA_EXT_DATA(zfhmin, RISCV_ISA_EXT_ZFHMIN),
> > __RISCV_ISA_EXT_DATA(zca, RISCV_ISA_EXT_ZCA),
> > @@ -357,6 +358,8 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
> > __RISCV_ISA_EXT_SUPERSET(zve64d, RISCV_ISA_EXT_ZVE64D, riscv_zve64d_exts),
> > __RISCV_ISA_EXT_SUPERSET(zve64f, RISCV_ISA_EXT_ZVE64F, riscv_zve64f_exts),
> > __RISCV_ISA_EXT_SUPERSET(zve64x, RISCV_ISA_EXT_ZVE64X, riscv_zve64x_exts),
> > + __RISCV_ISA_EXT_DATA(zvfbfmin, RISCV_ISA_EXT_ZVFBFMIN),
> > + __RISCV_ISA_EXT_DATA(zvfbfwma, RISCV_ISA_EXT_ZVFBFWMA),
>
> @Conor,
>
> Should we wait for your V/F validation support to be merged before this
> one ?
Uh, I don't really see a reason to hold this up on my account. I can
easily rebase on top when I get the motivation to do more work on that
series.
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