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([2a01:e0a:999:a3a0:7db3:bdd9:4cab:2ee3]) by smtp.gmail.com with ESMTPSA id n30-20020a05600c501e00b00405442edc69sm15396853wmr.14.2023.11.07.02.56.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Nov 2023 02:56:11 -0800 (PST) From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= To: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Cc: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , Palmer Dabbelt , Paul Walmsley , Rob Herring , Krzysztof Kozlowski , Albert Ou , Jonathan Corbet , Andrew Jones , Evan Green , Conor Dooley , Samuel Ortiz Subject: [PATCH v3 09/20] riscv: add ISA extension parsing for Zfh/Zfh[min] Date: Tue, 7 Nov 2023 11:55:45 +0100 Message-ID: <20231107105556.517187-10-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231107105556.517187-1-cleger@rivosinc.com> References: <20231107105556.517187-1-cleger@rivosinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add parsing for Zfh[min] ISA extensions[1]. Link: https://drive.google.com/file/d/1z3tQQLm5ALsAD77PM0l0CHnapxWCeVzP/vie= w [1] Signed-off-by: Cl=C3=A9ment L=C3=A9ger Reviewed-by: Evan Green --- arch/riscv/include/asm/hwcap.h | 2 ++ arch/riscv/kernel/cpufeature.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index 556d1da02877..10ebd36f67e0 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -81,6 +81,8 @@ #define RISCV_ISA_EXT_ZVKSED 63 #define RISCV_ISA_EXT_ZVKSH 64 #define RISCV_ISA_EXT_ZVKT 65 +#define RISCV_ISA_EXT_ZFH 66 +#define RISCV_ISA_EXT_ZFHMIN 67 =20 #define RISCV_ISA_EXT_MAX 128 #define RISCV_ISA_EXT_INVALID U32_MAX diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 56570b838910..7c04c03e435f 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -260,6 +260,8 @@ const struct riscv_isa_ext_data riscv_isa_ext[] =3D { __RISCV_ISA_EXT_DATA(zifencei, RISCV_ISA_EXT_ZIFENCEI), __RISCV_ISA_EXT_DATA(zihintpause, RISCV_ISA_EXT_ZIHINTPAUSE), __RISCV_ISA_EXT_DATA(zihpm, RISCV_ISA_EXT_ZIHPM), + __RISCV_ISA_EXT_DATA(zfh, RISCV_ISA_EXT_ZFH), + __RISCV_ISA_EXT_DATA(zfhmin, RISCV_ISA_EXT_ZFHMIN), __RISCV_ISA_EXT_DATA(zba, RISCV_ISA_EXT_ZBA), __RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB), __RISCV_ISA_EXT_DATA(zbc, RISCV_ISA_EXT_ZBC), --=20 2.42.0