| Message ID | 20241014-arm-feat-xs-v1-3-42bb714d6b11@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | No-op support for Arm FEAT_XS, feedback needed | expand |
On 10/14/24 03:48, Manos Pitsidianakis wrote: > Add FEAT_XS feature report value in max cpu's ID_AA64ISAR1 sys register. > > Signed-off-by: Manos Pitsidianakis<manos.pitsidianakis@linaro.org> > --- > target/arm/tcg/cpu64.c | 1 + > 1 file changed, 1 insertion(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
On 10/14/24 03:48, Manos Pitsidianakis wrote: > Add FEAT_XS feature report value in max cpu's ID_AA64ISAR1 sys register. > > Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> > --- > target/arm/tcg/cpu64.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c > index 0168920828651492b1114d66ab0fc72c20dda2a8..8c8f88d84151952872f1b1987e98d789b501fb23 100644 > --- a/target/arm/tcg/cpu64.c > +++ b/target/arm/tcg/cpu64.c > @@ -1163,6 +1163,7 @@ void aarch64_max_tcg_initfn(Object *obj) > t = FIELD_DP64(t, ID_AA64ISAR1, BF16, 2); /* FEAT_BF16, FEAT_EBF16 */ > t = FIELD_DP64(t, ID_AA64ISAR1, DGH, 1); /* FEAT_DGH */ > t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 1); /* FEAT_I8MM */ > + t = FIELD_DP64(t, ID_AA64ISAR1, XS, 1); /* FEAT_XS */ > cpu->isar.id_aa64isar1 = t; > > t = cpu->isar.id_aa64isar2; > Actually, this or a follow-up is missing the change to docs/system/arm/emulation.rst. r~
diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c index 0168920828651492b1114d66ab0fc72c20dda2a8..8c8f88d84151952872f1b1987e98d789b501fb23 100644 --- a/target/arm/tcg/cpu64.c +++ b/target/arm/tcg/cpu64.c @@ -1163,6 +1163,7 @@ void aarch64_max_tcg_initfn(Object *obj) t = FIELD_DP64(t, ID_AA64ISAR1, BF16, 2); /* FEAT_BF16, FEAT_EBF16 */ t = FIELD_DP64(t, ID_AA64ISAR1, DGH, 1); /* FEAT_DGH */ t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 1); /* FEAT_I8MM */ + t = FIELD_DP64(t, ID_AA64ISAR1, XS, 1); /* FEAT_XS */ cpu->isar.id_aa64isar1 = t; t = cpu->isar.id_aa64isar2;
Add FEAT_XS feature report value in max cpu's ID_AA64ISAR1 sys register. Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> --- target/arm/tcg/cpu64.c | 1 + 1 file changed, 1 insertion(+)