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Thu, 05 Dec 2024 21:59:20 -0800 (PST) From: Inochi Amaoto To: Chen Wang , Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , Evan Green , Charlie Jenkins , Andrew Jones , Jesse Taube , Andy Chiu , Alexandre Ghiti , Inochi Amaoto , Samuel Holland , Yong-Xuan Wang Cc: linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Yixun Lan , Longbin Li Subject: [PATCH v3 2/3] riscv: add ISA extension parsing for bfloat16 ISA extension Date: Fri, 6 Dec 2024 13:58:28 +0800 Message-ID: <20241206055829.1059293-3-inochiama@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241206055829.1059293-1-inochiama@gmail.com> References: <20241206055829.1059293-1-inochiama@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Cl=C3=A9ment L=C3=A9ger --- 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 869da082252a..14cc29f2a723 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -100,6 +100,9 @@ #define RISCV_ISA_EXT_ZICCRSE 91 #define RISCV_ISA_EXT_SVADE 92 #define RISCV_ISA_EXT_SVADU 93 +#define RISCV_ISA_EXT_ZFBFMIN 94 +#define RISCV_ISA_EXT_ZVFBFMIN 95 +#define RISCV_ISA_EXT_ZVFBFWMA 96 =20 #define RISCV_ISA_EXT_XLINUXENVCFG 127 =20 diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index c0916ed318c2..5cfcab139568 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -341,6 +341,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] =3D { __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), @@ -373,6 +374,8 @@ const struct riscv_isa_ext_data riscv_isa_ext[] =3D { __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), __RISCV_ISA_EXT_DATA(zvfh, RISCV_ISA_EXT_ZVFH), __RISCV_ISA_EXT_DATA(zvfhmin, RISCV_ISA_EXT_ZVFHMIN), __RISCV_ISA_EXT_DATA(zvkb, RISCV_ISA_EXT_ZVKB), --=20 2.47.1