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([12.186.190.2]) by smtp.gmail.com with ESMTPSA id m2-20020a05620a220200b00777611164c5sm2701263qkh.106.2023.11.14.06.13.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Nov 2023 06:13:54 -0800 (PST) From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Cc: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Palmer Dabbelt , Paul Walmsley , Rob Herring , Krzysztof Kozlowski , Albert Ou , Jonathan Corbet , Andrew Jones , Evan Green , Conor Dooley , Samuel Ortiz , Jerry Shih Subject: [PATCH v4 18/20] riscv: add ISA extension parsing for Zfa Date: Tue, 14 Nov 2023 09:12:54 -0500 Message-ID: <20231114141256.126749-19-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231114141256.126749-1-cleger@rivosinc.com> References: <20231114141256.126749-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Tue, 14 Nov 2023 06:15:03 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782549110620843759 X-GMAIL-MSGID: 1782549110620843759 Add parsing for Zfa ISA extension [1] which were ratified in commit 056b6ff467c7 ("Zfa is ratified") of riscv-isa-manual[2]. Link: https://drive.google.com/file/d/1VT6QIggpb59-8QRV266dEE4T8FZTxGq4/view [1] Link: https://github.com/riscv/riscv-isa-manual/commits/056b6ff467c7 [2] Signed-off-by: Clément Léger Reviewed-by: Evan Green --- arch/riscv/include/asm/hwcap.h | 1 + arch/riscv/kernel/cpufeature.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index 103d4f0aaf15..2438d4685da6 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -83,6 +83,7 @@ #define RISCV_ISA_EXT_ZIHINTNTL 68 #define RISCV_ISA_EXT_ZVFH 69 #define RISCV_ISA_EXT_ZVFHMIN 70 +#define RISCV_ISA_EXT_ZFA 71 #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 623a5fa48cf4..dc0ab3e97cd2 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -259,6 +259,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __RISCV_ISA_EXT_DATA(zihintntl, RISCV_ISA_EXT_ZIHINTNTL), __RISCV_ISA_EXT_DATA(zihintpause, RISCV_ISA_EXT_ZIHINTPAUSE), __RISCV_ISA_EXT_DATA(zihpm, RISCV_ISA_EXT_ZIHPM), + __RISCV_ISA_EXT_DATA(zfa, RISCV_ISA_EXT_ZFA), __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),