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([2a01:e0a:999:a3a0:7db3:bdd9:4cab:2ee3]) by smtp.gmail.com with ESMTPSA id n30-20020a05600c501e00b00405442edc69sm15396853wmr.14.2023.11.07.02.56.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Nov 2023 02:56:14 -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 Subject: [PATCH v3 12/20] riscv: add ISA extension parsing for Zihintntl Date: Tue, 7 Nov 2023 11:55:48 +0100 Message-ID: <20231107105556.517187-13-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 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham 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, 07 Nov 2023 02:57:10 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781902485903530148 X-GMAIL-MSGID: 1781902485903530148 Add parsing for Zihintntl ISA extension[1] that was ratified in commit 0dc91f5 ("Zihintntl is ratified") of riscv-isa-manual[2]. Link: https://drive.google.com/file/d/13_wsN8YmRfH8YWysFyTX-DjTkCnBd9hj/view [1] Link: https://github.com/riscv/riscv-isa-manual/commit/0dc91f505e6d [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 10ebd36f67e0..5b57b24db60c 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -83,6 +83,7 @@ #define RISCV_ISA_EXT_ZVKT 65 #define RISCV_ISA_EXT_ZFH 66 #define RISCV_ISA_EXT_ZFHMIN 67 +#define RISCV_ISA_EXT_ZIHINTNTL 68 #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 7c04c03e435f..baa8edfb0e6a 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -258,6 +258,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __RISCV_ISA_EXT_DATA(zicond, RISCV_ISA_EXT_ZICOND), __RISCV_ISA_EXT_DATA(zicsr, RISCV_ISA_EXT_ZICSR), __RISCV_ISA_EXT_DATA(zifencei, RISCV_ISA_EXT_ZIFENCEI), + __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(zfh, RISCV_ISA_EXT_ZFH),