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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:26 -0700 (PDT) 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 v2 01/19] riscv: hwprobe: factorize hwprobe ISA extension reporting Date: Tue, 17 Oct 2023 15:14:38 +0200 Message-ID: <20231017131456.2053396-2-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email 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 (lipwig.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:25 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008713196210656 X-GMAIL-MSGID: 1780008713196210656 Factorize ISA extension reporting by using a macro rather than copy/pasting extension names. This will allow adding new extensions more easily. Signed-off-by: Clément Léger Reviewed-by: Evan Green --- arch/riscv/kernel/sys_riscv.c | 32 ++++++++++++++++++-------------- 1 file changed, 18 insertions(+), 14 deletions(-) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 473159b5f303..e207874e686e 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -145,20 +145,24 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, for_each_cpu(cpu, cpus) { struct riscv_isainfo *isainfo = &hart_isa[cpu]; - if (riscv_isa_extension_available(isainfo->isa, ZBA)) - pair->value |= RISCV_HWPROBE_EXT_ZBA; - else - missing |= RISCV_HWPROBE_EXT_ZBA; - - if (riscv_isa_extension_available(isainfo->isa, ZBB)) - pair->value |= RISCV_HWPROBE_EXT_ZBB; - else - missing |= RISCV_HWPROBE_EXT_ZBB; - - if (riscv_isa_extension_available(isainfo->isa, ZBS)) - pair->value |= RISCV_HWPROBE_EXT_ZBS; - else - missing |= RISCV_HWPROBE_EXT_ZBS; +#define CHECK_ISA_EXT(__ext) \ + do { \ + if (riscv_isa_extension_available(isainfo->isa, __ext)) \ + pair->value |= RISCV_HWPROBE_EXT_##__ext; \ + else \ + missing |= RISCV_HWPROBE_EXT_##__ext; \ + } while (false) + + /* + * Only use CHECK_ISA_EXT() for extensions which can be exposed + * to userspace, regardless of the kernel's configuration, as no + * other checks, besides presence in the hart_isa bitmap, are + * made. + */ + CHECK_ISA_EXT(ZBA); + CHECK_ISA_EXT(ZBB); + CHECK_ISA_EXT(ZBS); +#undef CHECK_ISA_EXT } /* Now turn off reporting features if any CPU is missing it. */ From patchwork Tue Oct 17 13:14:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154267 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126501vqb; Tue, 17 Oct 2023 06:16:11 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGbDZy3whbIyAggexX82dV4oxH86ypGoqB/WNjZvTvrKvbntfAo+NCZt1GX0x7wXvgY0uun X-Received: by 2002:a05:6a20:c182:b0:15d:6fd3:8e74 with SMTP id bg2-20020a056a20c18200b0015d6fd38e74mr2246748pzb.3.1697548571759; Tue, 17 Oct 2023 06:16:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548571; cv=none; d=google.com; s=arc-20160816; b=Bpw8ofS15XZ48zvCS4kilQe3SLxQo0VTSLlBE9WXo3sZuTjg2W2IeJpMwn27RXdz01 00zb5vUR7kQeaMMy1K/pXktmBLWyyd+7oHo7gKUmFRSvZibcY9pFQIeu/3KSunf2uBqY q2sJTfbCPI4pMyEZWgMk0zQG37TKdnWRnArbsNTt+GjVUPWmJDBHxDDuV5cUwXzNQved hjiFzRkpVhXCV2n8ipaZb6f+TBDyOeHEXz/B26HBSUWCnzTfb87HQ9MeXPXqSoVnjAeq o/pTNv5QKZGiLZJNnbJ8ix7YjnDscKsZrEI69mVS2m5Q6fNeqElkJiA4lZumgJMv5I+w oREw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=Q+qm4/TAsuUsyMqC2dQJYqFkQNRJUQO9ctbV40HqJn4=; fh=+cbUtfSAqhMquIoUm29OkpkAteRz4N6smd68uCoHFfk=; b=mDMvuXnzOQVZandL46WOpY16tMh7XHAwlzi9mf0GV0kiVNQfqJNRVzO06c6iZNk2yN Ix8/Vizwl9ewzX0IECKZtVi5Hv6FcxiUGHPbq4EI7xq0hA30dWZAUFTkWzosqxxHfeLc jK8xjVKIb1cEGVYmIR9X4LaSGFGQnPziLcam3OX6zAR0d+uCO5bgUTBBjEy58Vd/+zHZ ck/3mhZ/4rSKbLqYyDe0ZBwta9Wlz/d9KFIqRA72f8yRKZlX7tTekEr62rD5aGRQ9lOi XG6Mlq7+5UPWgXIJXvKIqmtSm3/0YSVDQapawCCi62M/VkR/ypybTxpZTwWmnUy+0JDK KJsA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=hQ514CwH; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from pete.vger.email (pete.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:28 -0700 (PDT) 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 , Conor Dooley Subject: [PATCH v2 02/19] riscv: add ISA extension parsing for scalar crypto Date: Tue, 17 Oct 2023 15:14:39 +0200 Message-ID: <20231017131456.2053396-3-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email 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 (pete.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:01 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008691151981595 X-GMAIL-MSGID: 1780008691151981595 From: Evan Green The Scalar Crypto specification defines Zk as a shorthand for the Zkn, Zkr and Zkt extensions. The same follows for both Zkn, Zks and Zbk, which are all shorthands for various other extensions. The detailed breakdown can be found in their dt-binding entries. Since Zkn also implies the Zbkb, Zbkc and Zbkx extensions, simply passing "zk" through a DT should enable all of Zbkb, Zbkc, Zbkx, Zkn, Zkr and Zkt. For example, setting the "riscv,isa" DT property to "rv64imafdc_zk" should generate the following cpuinfo output: "rv64imafdc_zicntr_zicsr_zifencei_zihpm_zbkb_zbkc_zbkx_zknd_zkne_zknh_zkr_zkt" riscv_isa_ext_data grows a pair of new members, to permit setting the relevant bits for "bundled" extensions, both while parsing the ISA string and the new dedicated extension properties Co-developed-by: Conor Dooley Signed-off-by: Conor Dooley Signed-off-by: Evan Green Signed-off-by: Clément Léger --- arch/riscv/include/asm/hwcap.h | 13 +++++ arch/riscv/kernel/cpufeature.c | 103 ++++++++++++++++++++++++++------- 2 files changed, 96 insertions(+), 20 deletions(-) diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index b7b58258f6c7..ab80d822c847 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -58,6 +58,17 @@ #define RISCV_ISA_EXT_ZICSR 40 #define RISCV_ISA_EXT_ZIFENCEI 41 #define RISCV_ISA_EXT_ZIHPM 42 +#define RISCV_ISA_EXT_ZBC 43 +#define RISCV_ISA_EXT_ZBKB 44 +#define RISCV_ISA_EXT_ZBKC 45 +#define RISCV_ISA_EXT_ZBKX 46 +#define RISCV_ISA_EXT_ZKND 47 +#define RISCV_ISA_EXT_ZKNE 48 +#define RISCV_ISA_EXT_ZKNH 49 +#define RISCV_ISA_EXT_ZKR 50 +#define RISCV_ISA_EXT_ZKSED 51 +#define RISCV_ISA_EXT_ZKSH 52 +#define RISCV_ISA_EXT_ZKT 53 #define RISCV_ISA_EXT_MAX 64 @@ -77,6 +88,8 @@ struct riscv_isa_ext_data { const unsigned int id; const char *name; const char *property; + const unsigned int *bundle_ids; + const unsigned int bundle_size; }; extern const struct riscv_isa_ext_data riscv_isa_ext[]; diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 1cfbba65d11a..d3682fdfd9f1 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -111,6 +111,39 @@ static bool riscv_isa_extension_check(int id) .id = _id, \ } +#define __RISCV_ISA_EXT_BUNDLE(_name, _bundled_exts) { \ + .name = #_name, \ + .property = #_name, \ + .bundle_ids = _bundled_exts, \ + .bundle_size = ARRAY_SIZE(_bundled_exts) \ +} + +static const unsigned int riscv_zk_bundled_exts[] = { + RISCV_ISA_EXT_ZBKB, + RISCV_ISA_EXT_ZBKC, + RISCV_ISA_EXT_ZBKX, + RISCV_ISA_EXT_ZKND, + RISCV_ISA_EXT_ZKNE, + RISCV_ISA_EXT_ZKR, + RISCV_ISA_EXT_ZKT, +}; + +static const unsigned int riscv_zkn_bundled_exts[] = { + RISCV_ISA_EXT_ZBKB, + RISCV_ISA_EXT_ZBKC, + RISCV_ISA_EXT_ZBKX, + RISCV_ISA_EXT_ZKND, + RISCV_ISA_EXT_ZKNE, + RISCV_ISA_EXT_ZKNH, +}; + +static const unsigned int riscv_zks_bundled_exts[] = { + RISCV_ISA_EXT_ZBKB, + RISCV_ISA_EXT_ZBKC, + RISCV_ISA_EXT_ZKSED, + RISCV_ISA_EXT_ZKSH +}; + /* * The canonical order of ISA extension names in the ISA string is defined in * chapter 27 of the unprivileged specification. @@ -173,7 +206,21 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __RISCV_ISA_EXT_DATA(zihpm, RISCV_ISA_EXT_ZIHPM), __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), + __RISCV_ISA_EXT_DATA(zbkb, RISCV_ISA_EXT_ZBKB), + __RISCV_ISA_EXT_DATA(zbkc, RISCV_ISA_EXT_ZBKC), + __RISCV_ISA_EXT_DATA(zbkx, RISCV_ISA_EXT_ZBKX), __RISCV_ISA_EXT_DATA(zbs, RISCV_ISA_EXT_ZBS), + __RISCV_ISA_EXT_BUNDLE(zk, riscv_zk_bundled_exts), + __RISCV_ISA_EXT_BUNDLE(zkn, riscv_zkn_bundled_exts), + __RISCV_ISA_EXT_DATA(zknd, RISCV_ISA_EXT_ZKND), + __RISCV_ISA_EXT_DATA(zkne, RISCV_ISA_EXT_ZKNE), + __RISCV_ISA_EXT_DATA(zknh, RISCV_ISA_EXT_ZKNH), + __RISCV_ISA_EXT_DATA(zkr, RISCV_ISA_EXT_ZKR), + __RISCV_ISA_EXT_BUNDLE(zks, riscv_zks_bundled_exts), + __RISCV_ISA_EXT_DATA(zkt, RISCV_ISA_EXT_ZKT), + __RISCV_ISA_EXT_DATA(zksed, RISCV_ISA_EXT_ZKSED), + __RISCV_ISA_EXT_DATA(zksh, RISCV_ISA_EXT_ZKSH), __RISCV_ISA_EXT_DATA(smaia, RISCV_ISA_EXT_SMAIA), __RISCV_ISA_EXT_DATA(ssaia, RISCV_ISA_EXT_SSAIA), __RISCV_ISA_EXT_DATA(sscofpmf, RISCV_ISA_EXT_SSCOFPMF), @@ -185,6 +232,26 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { const size_t riscv_isa_ext_count = ARRAY_SIZE(riscv_isa_ext); +static void __init match_isa_ext(const struct riscv_isa_ext_data *ext, const char *name, + const char *name_end, struct riscv_isainfo *isainfo) +{ + if ((name_end - name == strlen(ext->name)) && + !strncasecmp(name, ext->name, name_end - name)) { + /* + * If this is a bundle, enable all the ISA extensions that + * comprise the bundle. + */ + if (ext->bundle_size) { + for (int i = 0; i < ext->bundle_size; i++) { + if (riscv_isa_extension_check(ext->bundle_ids[i])) + set_bit(ext->bundle_ids[i], isainfo->isa); + } + } else if (riscv_isa_extension_check(ext->id)) { + set_bit(ext->id, isainfo->isa); + } + } +} + static void __init riscv_parse_isa_string(unsigned long *this_hwcap, struct riscv_isainfo *isainfo, unsigned long *isa2hwcap, const char *isa) { @@ -316,14 +383,6 @@ static void __init riscv_parse_isa_string(unsigned long *this_hwcap, struct risc if (*isa == '_') ++isa; -#define SET_ISA_EXT_MAP(name, bit) \ - do { \ - if ((ext_end - ext == strlen(name)) && \ - !strncasecmp(ext, name, strlen(name)) && \ - riscv_isa_extension_check(bit)) \ - set_bit(bit, isainfo->isa); \ - } while (false) \ - if (unlikely(ext_err)) continue; if (!ext_long) { @@ -335,10 +394,8 @@ static void __init riscv_parse_isa_string(unsigned long *this_hwcap, struct risc } } else { for (int i = 0; i < riscv_isa_ext_count; i++) - SET_ISA_EXT_MAP(riscv_isa_ext[i].name, - riscv_isa_ext[i].id); + match_isa_ext(&riscv_isa_ext[i], ext, ext_end, isainfo); } -#undef SET_ISA_EXT_MAP } } @@ -437,18 +494,24 @@ static int __init riscv_fill_hwcap_from_ext_list(unsigned long *isa2hwcap) } for (int i = 0; i < riscv_isa_ext_count; i++) { - if (of_property_match_string(cpu_node, "riscv,isa-extensions", - riscv_isa_ext[i].property) < 0) - continue; + const struct riscv_isa_ext_data ext = riscv_isa_ext[i]; - if (!riscv_isa_extension_check(riscv_isa_ext[i].id)) + if (of_property_match_string(cpu_node, "riscv,isa-extensions", + ext.property) < 0) continue; - /* Only single letter extensions get set in hwcap */ - if (strnlen(riscv_isa_ext[i].name, 2) == 1) - this_hwcap |= isa2hwcap[riscv_isa_ext[i].id]; - - set_bit(riscv_isa_ext[i].id, isainfo->isa); + if (ext.bundle_size) { + for (int j = 0; j < ext.bundle_size; j++) { + if (riscv_isa_extension_check(ext.bundle_ids[i])) + set_bit(ext.bundle_ids[j], isainfo->isa); + } + } else if (riscv_isa_extension_check(ext.id)) { + set_bit(ext.id, isainfo->isa); + + /* Only single letter extensions get set in hwcap */ + if (strnlen(riscv_isa_ext[i].name, 2) == 1) + this_hwcap |= isa2hwcap[riscv_isa_ext[i].id]; + } } of_node_put(cpu_node); From patchwork Tue Oct 17 13:14:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154281 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126944vqb; Tue, 17 Oct 2023 06:16:49 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHnKtn7pjFgKmGuKUBfMG8m1PpdAzGxwI2dx3Z2n6zqIN7dJSKu3oEfx6EL0nHVNbI9ygsc X-Received: by 2002:a62:b60b:0:b0:6be:a1e:952 with SMTP id j11-20020a62b60b000000b006be0a1e0952mr2198162pff.2.1697548609149; 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:29 -0700 (PDT) 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 v2 03/19] riscv: hwprobe: add support for scalar crypto ISA extensions Date: Tue, 17 Oct 2023 15:14:40 +0200 Message-ID: <20231017131456.2053396-4-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email 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 (howler.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:40 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008730590954641 X-GMAIL-MSGID: 1780008730590954641 Export the following scalar crypto extensions through hwprobe: - Zbkb - Zbkc - Zbkx - Zknd - Zkne - Zknh - Zksed - Zksh - Zkt Signed-off-by: Clément Léger --- Documentation/riscv/hwprobe.rst | 30 +++++++++++++++++++++++++++ arch/riscv/include/uapi/asm/hwprobe.h | 10 +++++++++ arch/riscv/kernel/sys_riscv.c | 10 +++++++++ 3 files changed, 50 insertions(+) diff --git a/Documentation/riscv/hwprobe.rst b/Documentation/riscv/hwprobe.rst index a52996b22f75..968895562d42 100644 --- a/Documentation/riscv/hwprobe.rst +++ b/Documentation/riscv/hwprobe.rst @@ -77,6 +77,36 @@ The following keys are defined: * :c:macro:`RISCV_HWPROBE_EXT_ZBS`: The Zbs extension is supported, as defined in version 1.0 of the Bit-Manipulation ISA extensions. + * :c:macro:`RISCV_HWPROBE_EXT_ZBC` The Zbc extension is supported, as defined + in version 1.0 of the Scalar Crypto ISA extensions. + + * :c:macro:`RISCV_HWPROBE_EXT_ZBKB` The Zbkb extension is supported, as + defined in version 1.0 of the Scalar Crypto ISA extensions. + + * :c:macro:`RISCV_HWPROBE_EXT_ZBKC` The Zbkc extension is supported, as + defined in version 1.0 of the Scalar Crypto ISA extensions. + + * :c:macro:`RISCV_HWPROBE_EXT_ZBKX` The Zbkx extension is supported, as + defined in version 1.0 of the Scalar Crypto ISA extensions. + + * :c:macro:`RISCV_HWPROBE_EXT_ZKND` The Zknd extension is supported, as + defined in version 1.0 of the Scalar Crypto ISA extensions. + + * :c:macro:`RISCV_HWPROBE_EXT_ZKNE` The Zkne extension is supported, as + defined in version 1.0 of the Scalar Crypto ISA extensions. + + * :c:macro:`RISCV_HWPROBE_EXT_ZKNH` The Zknh extension is supported, as + defined in version 1.0 of the Scalar Crypto ISA extensions. + + * :c:macro:`RISCV_HWPROBE_EXT_ZKSED` The Zksed extension is supported, as + defined in version 1.0 of the Scalar Crypto ISA extensions. + + * :c:macro:`RISCV_HWPROBE_EXT_ZKSH` The Zksh extension is supported, as + defined in version 1.0 of the Scalar Crypto ISA extensions. + + * :c:macro:`RISCV_HWPROBE_EXT_ZKT` The Zkt extension is supported, as defined + in version 1.0 of the Scalar Crypto ISA extensions. + * :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: A bitmask that contains performance information about the selected set of processors. diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 006bfb48343d..89d0e37a01e9 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -29,6 +29,16 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZBA (1 << 3) #define RISCV_HWPROBE_EXT_ZBB (1 << 4) #define RISCV_HWPROBE_EXT_ZBS (1 << 5) +#define RISCV_HWPROBE_EXT_ZBC (1 << 6) +#define RISCV_HWPROBE_EXT_ZBKB (1 << 7) +#define RISCV_HWPROBE_EXT_ZBKC (1 << 8) +#define RISCV_HWPROBE_EXT_ZBKX (1 << 9) +#define RISCV_HWPROBE_EXT_ZKND (1 << 10) +#define RISCV_HWPROBE_EXT_ZKNE (1 << 11) +#define RISCV_HWPROBE_EXT_ZKNH (1 << 12) +#define RISCV_HWPROBE_EXT_ZKSED (1 << 13) +#define RISCV_HWPROBE_EXT_ZKSH (1 << 14) +#define RISCV_HWPROBE_EXT_ZKT (1 << 15) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index e207874e686e..2b50c661da90 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -162,6 +162,16 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, CHECK_ISA_EXT(ZBA); CHECK_ISA_EXT(ZBB); CHECK_ISA_EXT(ZBS); + CHECK_ISA_EXT(ZBC); + CHECK_ISA_EXT(ZBKB); + CHECK_ISA_EXT(ZBKC); + CHECK_ISA_EXT(ZBKX); + CHECK_ISA_EXT(ZKND); + CHECK_ISA_EXT(ZKNE); + CHECK_ISA_EXT(ZKNH); + CHECK_ISA_EXT(ZKSED); + CHECK_ISA_EXT(ZKSH); + CHECK_ISA_EXT(ZKT); #undef CHECK_ISA_EXT } From patchwork Tue Oct 17 13:14:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154268 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126557vqb; Tue, 17 Oct 2023 06:16:15 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF2rMpPE7hCSfw88uVKyXfseBY1kmUQKsUNLFbCTw3+BO+4DJygAhBNP8jTPrsLuVRpoAnA X-Received: by 2002:a05:6a21:8cc5:b0:15c:b7ba:e9ba with SMTP id ta5-20020a056a218cc500b0015cb7bae9bamr1894516pzb.0.1697548575068; Tue, 17 Oct 2023 06:16:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548575; cv=none; d=google.com; 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:30 -0700 (PDT) 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 v2 04/19] dt-bindings: riscv: add scalar crypto ISA extensions description Date: Tue, 17 Oct 2023 15:14:41 +0200 Message-ID: <20231017131456.2053396-5-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email 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 (howler.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:08 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008694817504442 X-GMAIL-MSGID: 1780008694817504442 Add description for scalar crypto ISA extensions which can now be reported through hwprobe for userspace usage. These extensions are the following: - Zbkb - Zbkc - Zbkx - Zknd - Zkne - Zknh - Zkr - Zksed - Zksh - Zkt Signed-off-by: Clément Léger --- .../devicetree/bindings/riscv/extensions.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml index cc1f546fdbdc..96ed3d22d3c4 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -184,12 +184,89 @@ properties: multiplication as ratified at commit 6d33919 ("Merge pull request #158 from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip. + - const: zbkb + description: + The standard Zbkb bitmanip instructions for cryptography as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zbkc + description: + The standard Zbkc carry-less multiply instructions as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zbkx + description: + The standard Zbkx crossbar permutation instructions as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + - const: zbs description: | The standard Zbs bit-manipulation extension for single-bit instructions as ratified at commit 6d33919 ("Merge pull request #158 from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip. + - const: zk + description: + The standard Zk Standard Scalar cryptography extension as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zkn + description: + The standard Zkn NIST algorithm suite extensions as ratified in + version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zknd + description: | + The standard Zknd for NIST suite: AES decryption instructions as + ratified in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zkne + description: | + The standard Zkne for NIST suite: AES encryption instructions as + ratified in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zknh + description: | + The standard Zknh for NIST suite: hash function instructions as + ratified in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zkr + description: + The standard Zkr entropy source extension as ratified in version + 1.0 of RISC-V Cryptography Extensions Volume I specification. + + - const: zks + description: + The standard Zks ShangMi algorithm suite extensions as ratified in + version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + + - const: zksed + description: | + The standard Zksed for ShangMi suite: SM4 block cipher instructions + as ratified in version 1.0 of RISC-V Cryptography Extensions + Volume I specification. + + - const: zksh + description: | + The standard Zksh for ShangMi suite: SM3 hash function instructions + as ratified in version 1.0 of RISC-V Cryptography Extensions + Volume I specification. + + - const: zkt + description: + The standard Zkt for data independent execution latency as ratified + in version 1.0 of RISC-V Cryptography Extensions Volume I + specification. + - const: zicbom description: The standard Zicbom extension for base cache management operations as From patchwork Tue Oct 17 13:14:42 2023 Content-Type: text/plain; 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:30 -0700 (PDT) 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 v2 05/19] riscv: add ISA extension parsing for vector crypto extensions Date: Tue, 17 Oct 2023 15:14:42 +0200 Message-ID: <20231017131456.2053396-6-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email 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 (agentk.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:26 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008710662242818 X-GMAIL-MSGID: 1780008710662242818 Add parsing of some Zv* vector crypto ISA extensions that are mentioned in "RISC-V Cryptography Extensions Volume II" [1]. These ISA extensions are the following: - Zvbb: Vector Basic Bit-manipulation - Zvbc: Vector Carryless Multiplication - Zvkb: Vector Cryptography Bit-manipulation - Zvkg: Vector GCM/GMAC. - Zvkned: NIST Suite: Vector AES Block Cipher - Zvknh[ab]: NIST Suite: Vector SHA-2 Secure Hash - Zvksed: ShangMi Suite: SM4 Block Cipher - Zvksh: ShangMi Suite: SM3 Secure Hash - Zvkn: NIST Algorithm Suite - Zvknc: NIST Algorithm Suite with carryless multiply - Zvkng: NIST Algorithm Suite with GCM. - Zvks: ShangMi Algorithm Suite - Zvksc: ShangMi Algorithm Suite with carryless multiplication - Zvksg: ShangMi Algorithm Suite with GCM. - Zvkt: Vector Data-Independent Execution Latency. Link: https://drive.google.com/file/d/1gb9OLH-DhbCgWp7VwpPOVrrY6f3oSJLL/view [1] Signed-off-by: Clément Léger --- arch/riscv/include/asm/hwcap.h | 10 ++++++ arch/riscv/kernel/cpufeature.c | 56 ++++++++++++++++++++++++++++++++++ 2 files changed, 66 insertions(+) diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index ab80d822c847..a2fac23b0cc0 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -69,6 +69,16 @@ #define RISCV_ISA_EXT_ZKSED 51 #define RISCV_ISA_EXT_ZKSH 52 #define RISCV_ISA_EXT_ZKT 53 +#define RISCV_ISA_EXT_ZVBB 54 +#define RISCV_ISA_EXT_ZVBC 55 +#define RISCV_ISA_EXT_ZVKB 56 +#define RISCV_ISA_EXT_ZVKG 57 +#define RISCV_ISA_EXT_ZVKNED 58 +#define RISCV_ISA_EXT_ZVKNHA 59 +#define RISCV_ISA_EXT_ZVKNHB 60 +#define RISCV_ISA_EXT_ZVKSED 61 +#define RISCV_ISA_EXT_ZVKSH 62 +#define RISCV_ISA_EXT_ZVKT 63 #define RISCV_ISA_EXT_MAX 64 diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index d3682fdfd9f1..8cf0b8b442ae 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -144,6 +144,46 @@ static const unsigned int riscv_zks_bundled_exts[] = { RISCV_ISA_EXT_ZKSH }; +#define RISCV_ISA_EXT_ZVKN \ + RISCV_ISA_EXT_ZVKNED, \ + RISCV_ISA_EXT_ZVKNHB, \ + RISCV_ISA_EXT_ZVKB, \ + RISCV_ISA_EXT_ZVKT + +static const unsigned int riscv_zvkn_bundled_exts[] = { + RISCV_ISA_EXT_ZVKN +}; + +static const unsigned int riscv_zvknc_bundled_exts[] = { + RISCV_ISA_EXT_ZVKN, + RISCV_ISA_EXT_ZVBC, +}; + +static const unsigned int riscv_zvkng_bundled_exts[] = { + RISCV_ISA_EXT_ZVKN, + RISCV_ISA_EXT_ZVKG, +}; + +#define RISCV_ISA_EXT_ZVKS \ + RISCV_ISA_EXT_ZVKSED, \ + RISCV_ISA_EXT_ZVKSH, \ + RISCV_ISA_EXT_ZVKB, \ + RISCV_ISA_EXT_ZVKT + +static const unsigned int riscv_zvks_bundled_exts[] = { + RISCV_ISA_EXT_ZVKS +}; + +static const unsigned int riscv_zvksc_bundled_exts[] = { + RISCV_ISA_EXT_ZVKS, + RISCV_ISA_EXT_ZVBC, +}; + +static const unsigned int riscv_zvksg_bundled_exts[] = { + RISCV_ISA_EXT_ZVKS, + RISCV_ISA_EXT_ZVKG, +}; + /* * The canonical order of ISA extension names in the ISA string is defined in * chapter 27 of the unprivileged specification. @@ -221,6 +261,22 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __RISCV_ISA_EXT_DATA(zkt, RISCV_ISA_EXT_ZKT), __RISCV_ISA_EXT_DATA(zksed, RISCV_ISA_EXT_ZKSED), __RISCV_ISA_EXT_DATA(zksh, RISCV_ISA_EXT_ZKSH), + __RISCV_ISA_EXT_DATA(zvbb, RISCV_ISA_EXT_ZVBB), + __RISCV_ISA_EXT_DATA(zvbc, RISCV_ISA_EXT_ZVBC), + __RISCV_ISA_EXT_DATA(zvkb, RISCV_ISA_EXT_ZVKB), + __RISCV_ISA_EXT_DATA(zvkg, RISCV_ISA_EXT_ZVKG), + __RISCV_ISA_EXT_BUNDLE(zvkn, riscv_zvkn_bundled_exts), + __RISCV_ISA_EXT_BUNDLE(zvknc, riscv_zvknc_bundled_exts), + __RISCV_ISA_EXT_DATA(zvkned, RISCV_ISA_EXT_ZVKNED), + __RISCV_ISA_EXT_BUNDLE(zvkng, riscv_zvkng_bundled_exts), + __RISCV_ISA_EXT_DATA(zvknha, RISCV_ISA_EXT_ZVKNHA), + __RISCV_ISA_EXT_DATA(zvknhb, RISCV_ISA_EXT_ZVKNHB), + __RISCV_ISA_EXT_BUNDLE(zvks, riscv_zvks_bundled_exts), + __RISCV_ISA_EXT_BUNDLE(zvksc, riscv_zvksc_bundled_exts), + __RISCV_ISA_EXT_DATA(zvksed, RISCV_ISA_EXT_ZVKSED), + __RISCV_ISA_EXT_DATA(zvksh, RISCV_ISA_EXT_ZVKSH), + __RISCV_ISA_EXT_BUNDLE(zvksg, riscv_zvksg_bundled_exts), + __RISCV_ISA_EXT_DATA(zvkt, RISCV_ISA_EXT_ZVKT), __RISCV_ISA_EXT_DATA(smaia, RISCV_ISA_EXT_SMAIA), __RISCV_ISA_EXT_DATA(ssaia, RISCV_ISA_EXT_SSAIA), __RISCV_ISA_EXT_DATA(sscofpmf, RISCV_ISA_EXT_SSCOFPMF), From patchwork Tue Oct 17 13:14:43 2023 Content-Type: text/plain; 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:31 -0700 (PDT) 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 v2 06/19] riscv: hwprobe: export vector crypto ISA extensions Date: Tue, 17 Oct 2023 15:14:43 +0200 Message-ID: <20231017131456.2053396-7-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email 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 (lipwig.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:15 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008702677509647 X-GMAIL-MSGID: 1780008702677509647 Export Zv* vector crypto ISA extensions that were added in "RISC-V Cryptography Extensions Volume II" specification[1] through hwprobe. This adds support for the following instructions: - Zvbb: Vector Basic Bit-manipulation - Zvbc: Vector Carryless Multiplication - Zvkb: Vector Cryptography Bit-manipulation - Zvkg: Vector GCM/GMAC. - Zvkned: NIST Suite: Vector AES Block Cipher - Zvknh[ab]: NIST Suite: Vector SHA-2 Secure Hash - Zvksed: ShangMi Suite: SM4 Block Cipher - Zvksh: ShangMi Suite: SM3 Secure Hash - Zvknc: NIST Algorithm Suite with carryless multiply - Zvkng: NIST Algorithm Suite with GCM. - Zvksc: ShangMi Algorithm Suite with carryless multiplication - Zvksg: ShangMi Algorithm Suite with GCM. - Zvkt: Vector Data-Independent Execution Latency. Zvkn and Zvks are ommited since they are a superset of other extensions. Link: https://drive.google.com/file/d/1gb9OLH-DhbCgWp7VwpPOVrrY6f3oSJLL/view [1] Signed-off-by: Clément Léger Reviewed-by: Evan Green --- Documentation/riscv/hwprobe.rst | 30 +++++++++++++++++++++++++++ arch/riscv/include/uapi/asm/hwprobe.h | 10 +++++++++ arch/riscv/kernel/sys_riscv.c | 13 ++++++++++++ 3 files changed, 53 insertions(+) diff --git a/Documentation/riscv/hwprobe.rst b/Documentation/riscv/hwprobe.rst index 968895562d42..8681fb601500 100644 --- a/Documentation/riscv/hwprobe.rst +++ b/Documentation/riscv/hwprobe.rst @@ -107,6 +107,36 @@ The following keys are defined: * :c:macro:`RISCV_HWPROBE_EXT_ZKT` The Zkt extension is supported, as defined in version 1.0 of the Scalar Crypto ISA extensions. + * :c:macro:`RISCV_HWPROBE_EXT_ZVBB`: The Zvbb extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + + * :c:macro:`RISCV_HWPROBE_EXT_ZVBC`: The Zvbc extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + + * :c:macro:`RISCV_HWPROBE_EXT_ZVKB`: The Zvkb extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + + * :c:macro:`RISCV_HWPROBE_EXT_ZVKG`: The Zvkg extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + + * :c:macro:`RISCV_HWPROBE_EXT_ZVKNED`: The Zvkned extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + + * :c:macro:`RISCV_HWPROBE_EXT_ZVKNHA`: The Zvknha extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + + * :c:macro:`RISCV_HWPROBE_EXT_ZVKNHB`: The Zvknhb extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + + * :c:macro:`RISCV_HWPROBE_EXT_ZVKSED`: The Zvksed extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + + * :c:macro:`RISCV_HWPROBE_EXT_ZVKSH`: The Zvksh extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + + * :c:macro:`RISCV_HWPROBE_EXT_ZVKT`: The Zvkt extension is supported as + defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + * :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: A bitmask that contains performance information about the selected set of processors. diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 89d0e37a01e9..2529cee323db 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -39,6 +39,16 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZKSED (1 << 13) #define RISCV_HWPROBE_EXT_ZKSH (1 << 14) #define RISCV_HWPROBE_EXT_ZKT (1 << 15) +#define RISCV_HWPROBE_EXT_ZVBB (1 << 16) +#define RISCV_HWPROBE_EXT_ZVBC (1 << 17) +#define RISCV_HWPROBE_EXT_ZVKB (1 << 18) +#define RISCV_HWPROBE_EXT_ZVKG (1 << 19) +#define RISCV_HWPROBE_EXT_ZVKNED (1 << 20) +#define RISCV_HWPROBE_EXT_ZVKNHA (1 << 21) +#define RISCV_HWPROBE_EXT_ZVKNHB (1 << 22) +#define RISCV_HWPROBE_EXT_ZVKSED (1 << 23) +#define RISCV_HWPROBE_EXT_ZVKSH (1 << 24) +#define RISCV_HWPROBE_EXT_ZVKT (1 << 25) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 2b50c661da90..25d35800809f 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -172,6 +172,19 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, CHECK_ISA_EXT(ZKSED); CHECK_ISA_EXT(ZKSH); CHECK_ISA_EXT(ZKT); + + if (has_vector()) { + CHECK_ISA_EXT(ZVBB); + CHECK_ISA_EXT(ZVBC); + CHECK_ISA_EXT(ZVKB); + CHECK_ISA_EXT(ZVKG); + CHECK_ISA_EXT(ZVKNED); + CHECK_ISA_EXT(ZVKNHA); + CHECK_ISA_EXT(ZVKNHB); + CHECK_ISA_EXT(ZVKSED); + CHECK_ISA_EXT(ZVKSH); + CHECK_ISA_EXT(ZVKT); + } #undef CHECK_ISA_EXT } From patchwork Tue Oct 17 13:14:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154270 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126628vqb; Tue, 17 Oct 2023 06:16:22 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHGA6YVgUt+udNdeJQav5VKmIzRhMlhL+SopirfyLN0djYtUNOZNm3ns81picvNbHrzqPac X-Received: by 2002:a05:6359:8001:b0:166:db65:af9a with SMTP id rc1-20020a056359800100b00166db65af9amr1727981rwb.2.1697548582387; Tue, 17 Oct 2023 06:16:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:32 -0700 (PDT) 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 , Conor Dooley Subject: [PATCH v2 07/19] dt-bindings: riscv: add vector crypto ISA extensions description Date: Tue, 17 Oct 2023 15:14:44 +0200 Message-ID: <20231017131456.2053396-8-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-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 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, 17 Oct 2023 06:16:12 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008701960753889 X-GMAIL-MSGID: 1780008701960753889 Add Zv* vector crypto extensions that were added in "RISC-V Cryptography Extensions Volume II" specificationi[1]: - Zvbb: Vector Basic Bit-manipulation - Zvbc: Vector Carryless Multiplication - Zvkb: Vector Cryptography Bit-manipulation - Zvkg: Vector GCM/GMAC. - Zvkned: NIST Suite: Vector AES Block Cipher - Zvknh[ab]: NIST Suite: Vector SHA-2 Secure Hash - Zvksed: ShangMi Suite: SM4 Block Cipher - Zvksh: ShangMi Suite: SM3 Secure Hash - Zvkn: NIST Algorithm Suite - Zvknc: NIST Algorithm Suite with carryless multiply - Zvkng: NIST Algorithm Suite with GCM. - Zvks: ShangMi Algorithm Suite - Zvksc: ShangMi Algorithm Suite with carryless multiplication - Zvksg: ShangMi Algorithm Suite with GCM. - Zvkt: Vector Data-Independent Execution Latency. Link: https://drive.google.com/file/d/1gb9OLH-DhbCgWp7VwpPOVrrY6f3oSJLL/view [1] Signed-off-by: Clément Léger Acked-by: Conor Dooley --- .../devicetree/bindings/riscv/extensions.yaml | 96 +++++++++++++++++++ 1 file changed, 96 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml index 96ed3d22d3c4..93beb9872900 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -323,5 +323,101 @@ properties: in commit 2e5236 ("Ztso is now ratified.") of the riscv-isa-manual. + - const: zvbb + description: + The standard Zvbb extension for vectored basic bit-manipulation + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvbc + description: + The standard Zvbc extension for vectored carryless multiplication + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvkb + description: + The standard Zvkb extension for vector cryptography bit-manipulation + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvkg + description: + The standard Zvkg extension for vector GCM/GMAC instructions, as + ratified in commit 56ed795 ("Update riscv-crypto-spec-vector.adoc") + of riscv-crypto. + + - const: zvkn + description: + The standard Zvkn extension for NIST algorithm suite instructions, as + ratified in commit 56ed795 ("Update riscv-crypto-spec-vector.adoc") + of riscv-crypto. + + - const: zvknc + description: + The standard Zvknc extension for NIST algorithm suite with carryless + multiply instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvkned + description: + The standard Zvkned extension for Vector AES block cipher + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvkng + description: + The standard Zvkng extension for NIST algorithm suite with GCM + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvknha + description: | + The standard Zvknha extension for NIST suite: vector SHA-2 secure, + hash (SHA-256 only) instructions, as ratified in commit + 56ed795 ("Update riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvknhb + description: | + The standard Zvknhb extension for NIST suite: vector SHA-2 secure, + hash (SHA-256 and SHA-512) instructions, as ratified in commit + 56ed795 ("Update riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvks + description: + The standard Zvks extension for ShangMi algorithm suite + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvksc + description: + The standard Zvksc extension for ShangMi algorithm suite with + carryless multiplication instructions, as ratified in commit 56ed795 + ("Update riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvksed + description: | + The standard Zvksed extension for ShangMi suite: SM4 block cipher + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvksh + description: | + The standard Zvksh extension for ShangMi suite: SM3 secure hash + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvksg + description: + The standard Zvksg extension for ShangMi algorithm suite with GCM + instructions, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + + - const: zvkt + description: + The standard Zvkt extension for vector data-independent execution + latency, as ratified in commit 56ed795 ("Update + riscv-crypto-spec-vector.adoc") of riscv-crypto. + additionalProperties: true ... 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Link: https://drive.google.com/file/d/1z3tQQLm5ALsAD77PM0l0CHnapxWCeVzP/view [1] Signed-off-by: Clément Léger Reviewed-by: Evan Green --- arch/riscv/include/asm/hwcap.h | 4 +++- arch/riscv/kernel/cpufeature.c | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index a2fac23b0cc0..bead05cb0df2 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -79,8 +79,10 @@ #define RISCV_ISA_EXT_ZVKSED 61 #define RISCV_ISA_EXT_ZVKSH 62 #define RISCV_ISA_EXT_ZVKT 63 +#define RISCV_ISA_EXT_ZFH 64 +#define RISCV_ISA_EXT_ZFHMIN 65 -#define RISCV_ISA_EXT_MAX 64 +#define RISCV_ISA_EXT_MAX 128 #ifdef CONFIG_RISCV_M_MODE #define RISCV_ISA_EXT_SxAIA RISCV_ISA_EXT_SMAIA diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 8cf0b8b442ae..68914b5e2df9 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -244,6 +244,8 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __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), From patchwork Tue Oct 17 13:14:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154278 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126880vqb; Tue, 17 Oct 2023 06:16:44 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE6ys0ZE2D2GWN/gL7Kxpo5iMAgYYoIwzSGJfH3pxJDJiX30YH/Fw4yznGfniDxmOq9JI6b X-Received: by 2002:a17:903:30c4:b0:1c3:a4f2:7c99 with SMTP id s4-20020a17090330c400b001c3a4f27c99mr2168091plc.4.1697548604736; Tue, 17 Oct 2023 06:16:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548604; cv=none; d=google.com; s=arc-20160816; b=BwrPWMqcddACVYn8qzRBjtXPOVpmFa51oql341xEDDMzTLnk8DGIXN9SJjLnJk42+b Nm4G6L4r2yHQ7tZkL2N2EoHuCCn0j5fzceqb+eqXYKHIGHKW8iusyjpTrQDBb7XGCwm0 bxmOWEzfptBT2TPfmJ5QdH68Bpm+kooDKdY1xBJ/pXWNxaRpb0Zgl+H80KOqFFiCFtWH m5bTK5QutkJq13f+LOe/rzPTEEQucU1w8vPFD0DGU9gRkryjEdJgEUgO2il8d2Xtiehn w+yGj47SFmiV7/CpNlh8EZBb01iKafnkdFqZa081lWk1i+gS3Q4Uf8J/3qXznlXG7LvP aD3Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=3obtZPNOKP8LH+KjJEwDeimcpj3eT+9Cd34xi+FsYNw=; fh=lvGFqwUxN+Dx1jonz8cRGrvjuKDcjMXylffmtrJGOYA=; b=MnM3oLS1bWapCdhjxN2m0HKigOqXsCDG6QOJMMupudI4Cg2mt611RN/kt8Y12v5iFe Xvdk9S62s39ppJnArmKee6G+am/EqltOJskfGPtDU7coSjufIN0DPMum9t/Yb1RAPUq6 xzrY8Mitkh6pZZI7AbILYjom+5t7SWP/TqNb2IrQF2iZnNGnICwshMnqRLEap0wEnPDT ssFNMRxllTGk4i789+4GA9uRG2VVGcgzoUpuMI6sZapL1iyowOtTBTiIeC7ifDKJ9FlJ GHNHdkhhQZYll2cE4prI/8hoBkOirxOFzR2jqlfqFFskpPnvvYcXtTvspWTS1ha0x7Nv JidQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=u5ZkaH2b; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from lipwig.vger.email (lipwig.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:34 -0700 (PDT) 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 v2 09/19] riscv: hwprobe: export Zfh/Zfhmin ISA extensions Date: Tue, 17 Oct 2023 15:14:46 +0200 Message-ID: <20231017131456.2053396-10-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email 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 (lipwig.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:36 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008725803796574 X-GMAIL-MSGID: 1780008725803796574 Export Zfh/Zfhmin ISA extensions[1] through hwprobe only if FPU support is available. Link: https://drive.google.com/file/d/1z3tQQLm5ALsAD77PM0l0CHnapxWCeVzP/view [1] Signed-off-by: Clément Léger Reviewed-by: Evan Green --- Documentation/riscv/hwprobe.rst | 6 ++++++ arch/riscv/include/uapi/asm/hwprobe.h | 2 ++ arch/riscv/kernel/sys_riscv.c | 5 +++++ 3 files changed, 13 insertions(+) diff --git a/Documentation/riscv/hwprobe.rst b/Documentation/riscv/hwprobe.rst index 8681fb601500..35aedfff5049 100644 --- a/Documentation/riscv/hwprobe.rst +++ b/Documentation/riscv/hwprobe.rst @@ -137,6 +137,12 @@ The following keys are defined: * :c:macro:`RISCV_HWPROBE_EXT_ZVKT`: The Zvkt extension is supported as defined in version 1.0 of the RISC-V Cryptography Extensions Volume II. + * :c:macro:`RISCV_HWPROBE_EXT_ZFH`: The Zfh extension version 1.0 is supported + as defined in the RISC-V ISA manual. + + * :c:macro:`RISCV_HWPROBE_EXT_ZFHMIN`: The Zfhmin extension version 1.0 is + supported as defined in the RISC-V ISA manual. + * :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: A bitmask that contains performance information about the selected set of processors. diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 2529cee323db..390805c49674 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -49,6 +49,8 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZVKSED (1 << 23) #define RISCV_HWPROBE_EXT_ZVKSH (1 << 24) #define RISCV_HWPROBE_EXT_ZVKT (1 << 25) +#define RISCV_HWPROBE_EXT_ZFH (1 << 26) +#define RISCV_HWPROBE_EXT_ZFHMIN (1 << 27) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 25d35800809f..4cca8b982a7a 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -185,6 +185,11 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, CHECK_ISA_EXT(ZVKSH); CHECK_ISA_EXT(ZVKT); } + + if (has_fpu()) { + CHECK_ISA_EXT(ZFH); + CHECK_ISA_EXT(ZFHMIN); + } #undef CHECK_ISA_EXT } From patchwork Tue Oct 17 13:14:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154271 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126665vqb; Tue, 17 Oct 2023 06:16:25 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF0em9VTPyz3VBz6QMhSi6mzWXjHgkG8Z7s8QwdrTonZnWc8guSJedm1mvZa9T9ixl8gd57 X-Received: by 2002:a17:902:bd07:b0:1ca:28f3:569a with SMTP id p7-20020a170902bd0700b001ca28f3569amr2160095pls.5.1697548584832; Tue, 17 Oct 2023 06:16:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548584; cv=none; d=google.com; s=arc-20160816; b=FgRMqLV4TuwfxXkesW3hZWXkuiB+uZFM67907NSdnyLTZ6xeOfQaCbN3j8tSQ28wvv GvGc5swBwJ9cxtWPvOHeXFEBJWKMrL3x6MwAGq96+03ylnJ7i0VEk9rhv2JVjaaWAqCF iHjLasrzWm+JuQnOdIB7/utwZmcEsiUX7/PHWVhjC7PsXb3qyEJp6eIIT0KWLgNjdgQd k7t1dBoOvmnNuuzkJRaYgQoXWodXqCDwBn29u7dsfjDnErGrLuxYhXulFaLlZczWbV2+ i21YR40ntftQgjLPOXA5px+TdYarkoqEZ7pUpVMKP25pNe8+VSWKDriU6OXBq0hgSZYR p7AQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=JWnPq2gaUY6Bw+QhkV+/+BvTRtvqF4BIiAlwEf1vKGM=; fh=+cbUtfSAqhMquIoUm29OkpkAteRz4N6smd68uCoHFfk=; b=X4BjQWDc3VE/7SeXgsz3wT0T700Y47Gzxar1TcseGnLH50ShFH1Gt0+TfxENKsHK8I M/jczG9cvTJmpIBBNVr8zTbCslCPRAHZJFada50eONbbiiGVf6vWPblaeKAwLyvp1QR4 ptYqIe/VmtHIuWOV669NrJFROufcC3UsdhfwENXUt0tH9gZaiq7rvMcOD9xsKfPck1b2 iMBLuKbVku1VSN8QFZB15hRJoqObDRzx/K4LPhcuI1OI2par/Wfb9J8VTkJCvHn0NZ7n O2vuW6IEDNjY91JBkwKy6siudcoCxCWSirPHFvJXXBiNXl+mn9VOmvXoGUhnl9spoQHP fHTg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=dOZ25igJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from morse.vger.email (morse.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:35 -0700 (PDT) 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 , Conor Dooley Subject: [PATCH v2 10/19] dt-bindings: riscv: add Zfh[min] ISA extensions description Date: Tue, 17 Oct 2023 15:14:47 +0200 Message-ID: <20231017131456.2053396-11-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email 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 (morse.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:21 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008704782631140 X-GMAIL-MSGID: 1780008704782631140 Add description of Zfh[min] ISA extensions[1] which can now be reported through hwprobe for userspace usage. Link: https://drive.google.com/file/d/1z3tQQLm5ALsAD77PM0l0CHnapxWCeVzP/view [1] Signed-off-by: Clément Léger Acked-by: Conor Dooley --- .../devicetree/bindings/riscv/extensions.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml index 93beb9872900..b0a0d1bdf369 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -208,6 +208,19 @@ properties: instructions as ratified at commit 6d33919 ("Merge pull request #158 from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip. + - const: zfh + description: + The standard Zfh extension for 16-bit half-precision binary + floating-point instructions, as ratified in commit 64074bc ("Update + version numbers for Zfh/Zfinx") of riscv-isa-manual. + + - const: zfhmin + description: + The standard Zfhmin extension which provides minimal support for + 16-bit half-precision binary floating-point instructions, as ratified + in commit 64074bc ("Update version numbers for Zfh/Zfinx") of + riscv-isa-manual. + - const: zk description: The standard Zk Standard Scalar cryptography extension as ratified From patchwork Tue Oct 17 13:14:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154277 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126821vqb; Tue, 17 Oct 2023 06:16:39 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGmSP5fygOSx60niv53/GHggFbzdVMvWXSbXWdgW/K523igpd39QqgjgauuvQNGGUQ/a7EN X-Received: by 2002:a05:6359:2c43:b0:166:d9b7:2ba5 with SMTP id qv3-20020a0563592c4300b00166d9b72ba5mr1919979rwb.2.1697548599539; Tue, 17 Oct 2023 06:16:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548599; cv=none; d=google.com; s=arc-20160816; b=KK9mSqtS1mrYPBEc9VUnsI5TzIGA46sHkmw67jtrIvskPdTB/+E2gvXGM+94rsS4sX Pjf1TipF5Zf3WFF64m9vcMT9x74THrSaKp3oWE4RZdouTA5BUNUXQNpU7Rgt1lSJxy71 24dBZXzMIh8HLsgs9tpmPuW3WbizxTb99mZq6mIRJ2jPJ2PsMPd6L4XmxQ/uKaFRAc+j IaVrhAadha28oxzy+qcwkDpUl2wY/RzBNYV8YBCVsFcbb+2F93h84c++ObEKx06bNkgV KvoVmK1l8DDj43BXIJgQ2xoy7YNiECPYqod6cJenSB/ihdFLmeSzDnSWl/HIzmiB63gS cySA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=XveLx1BmE1GvU06WU0o1GpTCvis6fOoE2R2208YLJcc=; fh=lvGFqwUxN+Dx1jonz8cRGrvjuKDcjMXylffmtrJGOYA=; b=dwwU+bIRoEC2y4kUJBtzEkAsb1yO6/5UAwg5n8acPB1QXa6rYoGzEqH8P2rQ4d71bf T/PLmdWbLDQn0lU8aUD+lfakjwpcs6GyzAiAwlrPY+7Pfhn859nhI+cN5YxZ7KhVgZ5X rKeoXS7rgoHDdBi5MIoutb3/7NWEV2YPr//tFSDJ/YU0cczSFBar23iWGJSams/LQtr5 vMHPHZ7DVdnE9gX4lR6VAeIh3ZMWB6YUCuS2sHE5E1G86NFwRh8wo/DkCJEUjJaxk/0f +sikYpkrX2yzyXHdsrjKdm6lmeW1EAaH49a0aLGS3HI54iqFhge40eGSoAnMPQ9TalPX 7zJw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=EviRm+5Q; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from groat.vger.email (groat.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:37 -0700 (PDT) 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 v2 11/19] riscv: add ISA extension parsing for Zihintntl Date: Tue, 17 Oct 2023 15:14:48 +0200 Message-ID: <20231017131456.2053396-12-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email 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 (groat.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:37 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008720443012589 X-GMAIL-MSGID: 1780008720443012589 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 bead05cb0df2..a9aea62b6c6f 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -81,6 +81,7 @@ #define RISCV_ISA_EXT_ZVKT 63 #define RISCV_ISA_EXT_ZFH 64 #define RISCV_ISA_EXT_ZFHMIN 65 +#define RISCV_ISA_EXT_ZIHINTNTL 66 #define RISCV_ISA_EXT_MAX 128 diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 68914b5e2df9..0a74b2cdcacf 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -242,6 +242,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __RISCV_ISA_EXT_DATA(zicntr, RISCV_ISA_EXT_ZICNTR), __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), From patchwork Tue Oct 17 13:14:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154274 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126736vqb; Tue, 17 Oct 2023 06:16:31 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHBNfVY6V7aR62cLlEr8pOjVlrsg6n1ZdUZBXDd4pcpmQF6fmET1VVcZPgCJuaLOADdAQLP X-Received: by 2002:a05:6e02:1093:b0:357:4682:d128 with SMTP id r19-20020a056e02109300b003574682d128mr2224694ilj.1.1697548591571; Tue, 17 Oct 2023 06:16:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548591; cv=none; d=google.com; s=arc-20160816; b=QDwA7UKIe99aHum4yUlRaeEbkLrK3sw68+C21mAUcSjVkB3pSyiAJUqjmHVZXWFzAo TF7EQFyaOVot2qNrqAf0tgOmH4ArEl6ipTOAAVrJcTNgumkg/FDVoTCL93PhiS9XJJR5 M5UvluJTH5ANmtZtTUveSB9SYgQq/SFp7YLcOwcwmO9smd3ya2rXPZ2l8d1q43zqzQiA 23RvuCEoYN3L3WZ/V15DfsMuWn7rm4dE4EGipLdSL1CGgg831ab3ExZeJzUap+PkmMNO WRp5fPPRRz9e/7uoXEi2BGUxE5LGFjRZdQYzgCfSG+z19e2BR2GGBQDOsc5Jwr1z2CCh 5mIg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=T1rHWB6wPm7iXDYEGbhbD+aT0XqxKs0nvsJfpQIGqGo=; fh=lvGFqwUxN+Dx1jonz8cRGrvjuKDcjMXylffmtrJGOYA=; b=B7TwhIdzTGxgtV4EKwc/whWbhkKdGpOJ2CyQryToJ6G1rH7gwLd0vl5OG4XGDH3HZd YzTi/lq0ySbL74WwY8b4XLrg5Sc8EG66eiWV8Njn6Zfg0tPq+Ckw7yMsvyf+MaWXQ4q4 krzgfQBw0mO85pvc/dzukU4Toj/9Bhzdj0J8CW48Ztdz5p6WNja/5KibWxPcygkHpH2v fkp60W8ZAoYL2Td+7RQIKIwTWpItt2mJdt9URE1B9RdQRBjxTzjwVWkpw9YcwcC6ovLf XO9cM4w65d1oavxbpQH/ALMhkiis/cHAcSPEUNEI0OZaSCeTneUtyN60g8l6gVx0eUtw +x2g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=jkN1Ogm7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from morse.vger.email (morse.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:37 -0700 (PDT) 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 v2 12/19] riscv: hwprobe: export Zhintntl ISA extension Date: Tue, 17 Oct 2023 15:14:49 +0200 Message-ID: <20231017131456.2053396-13-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email 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 (morse.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:28 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008711603454837 X-GMAIL-MSGID: 1780008711603454837 Export Zihintntl extension[1] through hwprobe. Link: https://drive.google.com/file/d/13_wsN8YmRfH8YWysFyTX-DjTkCnBd9hj/view [1] Signed-off-by: Clément Léger Reviewed-by: Evan Green --- Documentation/riscv/hwprobe.rst | 3 +++ arch/riscv/include/uapi/asm/hwprobe.h | 1 + arch/riscv/kernel/sys_riscv.c | 1 + 3 files changed, 5 insertions(+) diff --git a/Documentation/riscv/hwprobe.rst b/Documentation/riscv/hwprobe.rst index 35aedfff5049..9c909e0d5316 100644 --- a/Documentation/riscv/hwprobe.rst +++ b/Documentation/riscv/hwprobe.rst @@ -143,6 +143,9 @@ The following keys are defined: * :c:macro:`RISCV_HWPROBE_EXT_ZFHMIN`: The Zfhmin extension version 1.0 is supported as defined in the RISC-V ISA manual. + * :c:macro:`RISCV_HWPROBE_EXT_ZIHINTNTL`: The Zihintntl extension version 1.0 + is supported as defined in the RISC-V ISA manual. + * :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: A bitmask that contains performance information about the selected set of processors. diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 390805c49674..dc4eaa978ad1 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -51,6 +51,7 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZVKT (1 << 25) #define RISCV_HWPROBE_EXT_ZFH (1 << 26) #define RISCV_HWPROBE_EXT_ZFHMIN (1 << 27) +#define RISCV_HWPROBE_EXT_ZIHINTNTL (1 << 28) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 4cca8b982a7a..84daaf6ed4a1 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -172,6 +172,7 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, CHECK_ISA_EXT(ZKSED); CHECK_ISA_EXT(ZKSH); CHECK_ISA_EXT(ZKT); + CHECK_ISA_EXT(ZIHINTNTL); if (has_vector()) { CHECK_ISA_EXT(ZVBB); From patchwork Tue Oct 17 13:14:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154272 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126727vqb; Tue, 17 Oct 2023 06:16:30 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHki1JlDs80zvYv6AHJfY6BpSvIile/zz1XeCoI9+9u5tENCvrYvdC5F76MSI37+DT2KHz2 X-Received: by 2002:a17:902:ec89:b0:1ca:85b4:b962 with SMTP id x9-20020a170902ec8900b001ca85b4b962mr2251775plg.4.1697548590214; Tue, 17 Oct 2023 06:16:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548590; cv=none; d=google.com; s=arc-20160816; b=c1s1vlpSdJRC8g3stjRGy0YXaax6kp324qJkJM5V6geNvj7mdapf1BG5KWPAznOUis CYxvBJ3ThpIcokfLwfiBHrI2+eK9/Za0gsECjuUUnW7OJ3YEdMIOMpNFmgHf0fzZEA5n WFKUbPzPVyqacAcQ1fPlIohfl+GkNHWPAOmRZS/cIH/eUzBYvPcBjAn8dqnEkgp12r0T Ztu16EstVfH7olH865drPHccmuCkfcPCtNUo3GM/ASZtS/z9/pYxx2y3RQLdijfSYUkt gL1jG8crm7cUsn7p8J3ADyXRxa+hHSC5mycwvrLhpx+OHccHectGf8OdfcZKDQXuqxVS Sryg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=BcwMvdrQT7dDiQfvq5mk8auJjq+yKDjdUlNI6K4rk90=; fh=+cbUtfSAqhMquIoUm29OkpkAteRz4N6smd68uCoHFfk=; b=cvN9LNTwtJSueObF3gOXF8MOkAaMHVHW+QP0iWP5pFEgl91jlMcJgVaFVw9vXMIlOr vo2r1ES3E+dNRNzheZAPf+9UtNf89+oBMLV3zrCwLwimk5WPWVxCxL462GKsRyo2JzV4 PYBbTmkKNufIRYVMedvmKnxZoE3OilrkBAl5YmG1vjAH6jwyNJzUGDYCkjxYZ0J+IkMA 2r1RK0RUA4zvf3cxoBAxbBBEe2H3NPZf4h4DBJQjfbc6Y48cvqwK/JcepkIC4zRogu+E QyHYroQJ61G4FvtuPOU1w/FTqb+RfitaaZ49GcezYXpy+NNWL81BxskE9dLI1oJWKReq vJVA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=xa8kyVmx; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from snail.vger.email (snail.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:39 -0700 (PDT) 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 , Conor Dooley Subject: [PATCH v2 13/19] dt-bindings: riscv: add Zihintntl ISA extension description Date: Tue, 17 Oct 2023 15:14:50 +0200 Message-ID: <20231017131456.2053396-14-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-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 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, 17 Oct 2023 06:16:29 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008710440020794 X-GMAIL-MSGID: 1780008710440020794 Add description for Zihintntl ISA extension[1] which can now be reported through hwprobe for userspace usage. Link: https://drive.google.com/file/d/13_wsN8YmRfH8YWysFyTX-DjTkCnBd9hj/view [1] Signed-off-by: Clément Léger Acked-by: Conor Dooley --- Documentation/devicetree/bindings/riscv/extensions.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml index b0a0d1bdf369..eb4c77b319fb 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -324,6 +324,12 @@ properties: The standard Zihintpause extension for pause hints, as ratified in commit d8ab5c7 ("Zihintpause is ratified") of the riscv-isa-manual. + - const: zihintntl + description: + The standard Zihintntl extension for non-temporal locality hints, as + ratified in commit 0dc91f5 ("Zihintntl is ratified") of the + riscv-isa-manual. + - const: zihpm description: The standard Zihpm extension for hardware performance counters, as From patchwork Tue Oct 17 13:14:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154276 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126811vqb; Tue, 17 Oct 2023 06:16:39 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEdPGD4/liO+weh3a+7xb3xCRSxa+CI74jWzDoXL7ZX/WHGbCQjaRSCeK2s7gpFWryUUIeq X-Received: by 2002:a17:90b:1b44:b0:274:60c7:e15a with SMTP id nv4-20020a17090b1b4400b0027460c7e15amr2280265pjb.4.1697548599084; Tue, 17 Oct 2023 06:16:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548599; cv=none; d=google.com; s=arc-20160816; b=JpifPd0kWs4y9zUb2ibFiJ6nxQpsMDIdtvgr/MObC+BGWuARskwiphyilE1NOMeb8t gKP8AZmyHv9JAuI7peMSSgsBJZx8T+x3ZDWIv5yjTAbzaEEgiTlOCkC/qsMspKRIV5Xf J+bN5qzcFRHRqEL26M6N/PemiuL9sB+iRscKwwfaqFb+AIWBJULmFwRbhOWiAQ0D7/2I 5rkAtQQk095V2dFCAdXYfYF7ThBrOZgFak6GzZC0eQL89lJeOe/XFAxi35uM9VZjQDRV 7bG18VN/DvjHOX39/K7yd14R/7LfqsricsCouH53rKq9NIRs5Ak6tDbyDBYgAa5h9UQt 2p5w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=1HAW94BWBN5i9ceq6FqY8wdNnvu4aG0cSFSkPmGNLOw=; fh=lvGFqwUxN+Dx1jonz8cRGrvjuKDcjMXylffmtrJGOYA=; b=Q4HKt3akmW0mtBlMO5mvyodQ3nlJDwdTXW6ApEkPpU2DdcdVGPrS0i1DVN+ct6mrks 6j136/HzCYHN0OoEfu3Le1QHmUdTfHum/CFeWW3xVYgAUeMnUxm/u80QdwmnNFyPCe+y DPl2odSRodLAk7xlvyKjXt4pWfs2Jbhtq1qk/Eb8TaK2wwQw5rRtx3bXXG+eEWcu5fkj 9TDmvzyIKqXqcLgJa0RkeiXyRDpYXDTF6kfLJU2EIbUjphBe8rYmw4qEtmYQaqA5aOsP 8YCJnSXL7E0rFQhqyw/0IQk8xh0ta+7Xgg8MvBLRXMB5fwnlMUhv0BpVurB2souPN/vX RqGA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=L1oyLJWZ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from agentk.vger.email (agentk.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:40 -0700 (PDT) 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 v2 14/19] riscv: add ISA extension parsing for Zvfh[min] Date: Tue, 17 Oct 2023 15:14:51 +0200 Message-ID: <20231017131456.2053396-15-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email 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 (agentk.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:35 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008719586943994 X-GMAIL-MSGID: 1780008719586943994 Add parsing for Zvfh[min] ISA extension[1] which were ratified in june 2023 around commit e2ccd0548d6c ("Remove draft warnings from Zvfh[min]") in riscv-v-spec[2]. Link: https://drive.google.com/file/d/1_Yt60HGAf1r1hx7JnsIptw0sqkBd9BQ8/view [1] Link: https://github.com/riscv/riscv-v-spec/commits/e2ccd0548d6c [2] Signed-off-by: Clément Léger 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 a9aea62b6c6f..d9fb782f198d 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -82,6 +82,8 @@ #define RISCV_ISA_EXT_ZFH 64 #define RISCV_ISA_EXT_ZFHMIN 65 #define RISCV_ISA_EXT_ZIHINTNTL 66 +#define RISCV_ISA_EXT_ZVFH 67 +#define RISCV_ISA_EXT_ZVFHMIN 68 #define RISCV_ISA_EXT_MAX 128 diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 0a74b2cdcacf..c70885f5014b 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -266,6 +266,8 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __RISCV_ISA_EXT_DATA(zksh, RISCV_ISA_EXT_ZKSH), __RISCV_ISA_EXT_DATA(zvbb, RISCV_ISA_EXT_ZVBB), __RISCV_ISA_EXT_DATA(zvbc, RISCV_ISA_EXT_ZVBC), + __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), __RISCV_ISA_EXT_DATA(zvkg, RISCV_ISA_EXT_ZVKG), __RISCV_ISA_EXT_BUNDLE(zvkn, riscv_zvkn_bundled_exts), From patchwork Tue Oct 17 13:14:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154279 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126883vqb; Tue, 17 Oct 2023 06:16:45 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE6nQvvvzWpQ4DJwxTmT+vXb3zc5tiDwDH1/7xrwGMh6muQRNk+XQ/Yq8fmfeZJ9cV7IwOS X-Received: by 2002:a05:6a00:b33:b0:690:c79c:1912 with SMTP id f51-20020a056a000b3300b00690c79c1912mr2249673pfu.0.1697548605054; Tue, 17 Oct 2023 06:16:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548605; cv=none; d=google.com; s=arc-20160816; b=j1ZXY7mwOmVHHlInBJE81GFjtbTSqVg8WsvgliQV8WABh2v82rerJjthybhUEl3IZN BwPhkTldUXQW6CrmNoQ2QZ9dA8fRrE3uob9s7LSyVSlazc7wYaALdalDK3MqwG3Ecan9 wCt0611Nd0I7OjNNtZ/gqkc3mK2f2nU/7PG9LkqyInV7/Z6cFZXYX2xXdr1+aCWHSme0 RuIR1ZY/jvyZOaHHx9xATlD+dUbMX/EsouMLEU3AFmWEs7NaRixFg13Tw6QWUI3VoMiq qQjBXw9XZnPJvnMRCmWVmUhpmc03v8zGfUVmOXsMjhzh3FqwJrAROEmpkkcAf+VpSBg9 wz9Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=U2m+45j3rbdaE2NY5Ol9kX9V97sFwlFvtbz4uSqqCuM=; fh=lvGFqwUxN+Dx1jonz8cRGrvjuKDcjMXylffmtrJGOYA=; b=HBmIBEqsUnMur04+aWQd3gsC8J1gg1/22Rsb7m++aOB97d7AyVaFpLhR2XqScGvsch jkX/ODm6BBchUr6AH/5A44KP2QuxYAwRsn+c+sitk8bW4opEefm/hMgNNbWNvwWBHsAy 1F/61MZrXdZzC9fYaLGN33qiqxg1ja4PKmj/kpMFGaB13q2D0ohntEZs10u87FgzpXPv c2rdYq+XhVZ/w+PlVfb9VXIXnKaENyCnDleD70EzVtQ+FF3onbTXsX3mysZ6s7EOlLT8 4QVxGUMPy/gFhqrOgBvILIBVp+C8wxEjX3pM2yVlwVSrp4gBJsh71J7znhXJlL7YeobT hP4g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=ComVT4Rg; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from agentk.vger.email (agentk.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:40 -0700 (PDT) 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 v2 15/19] riscv: hwprobe: export Zvfh[min] ISA extensions Date: Tue, 17 Oct 2023 15:14:52 +0200 Message-ID: <20231017131456.2053396-16-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email 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 (agentk.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:42 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008726213612813 X-GMAIL-MSGID: 1780008726213612813 Export Zvfh[min] ISA extension[1] through hwprobe. Link: https://drive.google.com/file/d/1_Yt60HGAf1r1hx7JnsIptw0sqkBd9BQ8/view [1] Signed-off-by: Clément Léger Reviewed-by: Evan Green --- Documentation/riscv/hwprobe.rst | 8 ++++++++ arch/riscv/include/uapi/asm/hwprobe.h | 2 ++ arch/riscv/kernel/sys_riscv.c | 2 ++ 3 files changed, 12 insertions(+) diff --git a/Documentation/riscv/hwprobe.rst b/Documentation/riscv/hwprobe.rst index 9c909e0d5316..782ac26cb92a 100644 --- a/Documentation/riscv/hwprobe.rst +++ b/Documentation/riscv/hwprobe.rst @@ -146,6 +146,14 @@ The following keys are defined: * :c:macro:`RISCV_HWPROBE_EXT_ZIHINTNTL`: The Zihintntl extension version 1.0 is supported as defined in the RISC-V ISA manual. + * :c:macro:`RISCV_HWPROBE_EXT_ZVFH`: The Zvfh extension is supported as + defined in the RISC-V Vector manual starting from commit e2ccd0548d6c + ("Remove draft warnings from Zvfh[min]"). + + * :c:macro:`RISCV_HWPROBE_EXT_ZVFHMIN`: The Zvfhmin extension is supported as + defined in the RISC-V Vector manual starting from commit e2ccd0548d6c + ("Remove draft warnings from Zvfh[min]"). + * :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: A bitmask that contains performance information about the selected set of processors. diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index dc4eaa978ad1..79407010952a 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -52,6 +52,8 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZFH (1 << 26) #define RISCV_HWPROBE_EXT_ZFHMIN (1 << 27) #define RISCV_HWPROBE_EXT_ZIHINTNTL (1 << 28) +#define RISCV_HWPROBE_EXT_ZVFH (1 << 29) +#define RISCV_HWPROBE_EXT_ZVFHMIN (1 << 30) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 84daaf6ed4a1..8d6edd721627 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -185,6 +185,8 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, CHECK_ISA_EXT(ZVKSED); CHECK_ISA_EXT(ZVKSH); CHECK_ISA_EXT(ZVKT); + CHECK_ISA_EXT(ZVFH); + CHECK_ISA_EXT(ZVFHMIN); } if (has_fpu()) { From patchwork Tue Oct 17 13:14:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154280 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126895vqb; Tue, 17 Oct 2023 06:16:46 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFAgkJDaMqlJ//8lXq4RdQCHkPbf2tStuI+pjMNtg+oyDavR6FB5ahUxULmivI0yi6n1Sh2 X-Received: by 2002:a05:6a00:3190:b0:68a:6cbe:35a7 with SMTP id bj16-20020a056a00319000b0068a6cbe35a7mr2096186pfb.2.1697548606272; Tue, 17 Oct 2023 06:16:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548606; cv=none; d=google.com; s=arc-20160816; b=0ThKXkBlJ1GsjVpp/DE/n93SWgEUld+bsYBTw77vrageHLsgEkgskr3MpsVwd1BJCn Wj55fomfyVLRFPBpouvyncqzfSBUUjLITb74CT5NNP16C1Ciy55JCg9zJ2bVFvYEmMZi 5jOpOICnE7RzO9pGkThgNWXRMqUnyNkMG7juZafQrHybw0kc5LkIgHdxijbEP98KVhHO Zes10ELqhHFK6P0cOZzzUkhltU/Y3HWjglRtAzw2aFOrDq3046nLmgZHW5vZmC95El/K t8oo4895wDXRhLDljn/IH8ivlMOAweBj6SpmR0EHROTVvSEGByL1wHCC80XJL7PBowjM UVkQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=DtPMZdfKNirfdqr6CT25Ry/Z9PXKAMnWV/SarPOTmxE=; fh=+cbUtfSAqhMquIoUm29OkpkAteRz4N6smd68uCoHFfk=; b=ACYzZ3G2PtoHGmneDNHk/VA/fzk2DjNN+okLUwR8JKPq6em6yilLBX0wHROvYmqaxH t6ItUdFX70bKWUdDoBQ2kqfE6uP/7PiGNJNa8hNwj7hUNrlMewMvkCO7/VKDkLUh76uj IYUFTT+JR+o/VUYHXVEfur2Tiz+anth4xmTgm/SfwxeFdS5jyA/GJogun4Hsd5Nn1eY3 d8cn181rfna5AHpjj89h63TrwnZUW3rHwQ4/g3EyjR5vDm7H+qAw8H8xCbkLJMPrwm/L RKLUJnJ5Pwsjr7AlS+YELjK34Z7WONzXebgGi9mvRvznCAE/NdwchVKOFZ7JCxVMLqGT PHgA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=vUzuwDjF; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from groat.vger.email (groat.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:41 -0700 (PDT) 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 , Conor Dooley Subject: [PATCH v2 16/19] dt-bindings: riscv: add Zvfh[min] ISA extension description Date: Tue, 17 Oct 2023 15:14:53 +0200 Message-ID: <20231017131456.2053396-17-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email 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 (groat.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:43 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008727036925818 X-GMAIL-MSGID: 1780008727036925818 Add description for Zvfh[min] ISA extension[1] which can now be reported through hwprobe for userspace usage. Link: https://drive.google.com/file/d/1_Yt60HGAf1r1hx7JnsIptw0sqkBd9BQ8/view [1] Signed-off-by: Clément Léger Acked-by: Conor Dooley --- .../devicetree/bindings/riscv/extensions.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml index eb4c77b319fb..07678564f11d 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -354,6 +354,18 @@ properties: instructions, as ratified in commit 56ed795 ("Update riscv-crypto-spec-vector.adoc") of riscv-crypto. + - const: zvfh + description: + The standard Zvfh extension for vectored half-precision + floating-point instructions, as ratified in commit e2ccd05 + ("Remove draft warnings from Zvfh[min]") of riscv-v-spec. + + - const: zvfhmin + description: + The standard Zvfhmin extension for vectored minimal half-precision + floating-point instructions, as ratified in commit e2ccd05 + ("Remove draft warnings from Zvfh[min]") of riscv-v-spec. + - const: zvkb description: The standard Zvkb extension for vector cryptography bit-manipulation From patchwork Tue Oct 17 13:14:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154283 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4127192vqb; Tue, 17 Oct 2023 06:17:10 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGKikq5UVk1Kdnu2MXgmFpTMYuKmLNVEMHAx9MPi4DiogfxPQn4PfEO/hoHSlA0ZYMycjOw X-Received: by 2002:a92:c806:0:b0:351:1ed0:5c6b with SMTP id v6-20020a92c806000000b003511ed05c6bmr2341600iln.3.1697548630411; Tue, 17 Oct 2023 06:17:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548630; cv=none; d=google.com; s=arc-20160816; b=xtwnGFmVxAB2R3fM6A5Y5bWqXv3ASETvT2LVqAFKNShUAf85ObTe4a76yIiSrm1qAo dhOsZ/JPMcwDTqOrt8bsCGQbRgje2W6SjP25Og5xE3OaePzIKNy4/qfKbd6T9jLHRJfk q3yoSNP3h3MZGB4pBeMgVf2fJYBKtVlToEV3U35CEFo3Md1UbiWy8AYnp3Ij5YlGd+hW Zjq9Vke5qnlhl2o4PGc2fvv3K2dxEBsTDEZNhtjfIwzToBpWtSGa1LJBalASRCC56CqW gW8Hm1OSjwn4LaNV0dRiaPJ1Pw9VLQG0L0VOmHltUOtm705uh/GPi084CI1wdJSnhvjD fV2A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=/AFw9z9dpP/ckJjbN9Tmyf7889lk/XiWzjzseb60llw=; fh=lvGFqwUxN+Dx1jonz8cRGrvjuKDcjMXylffmtrJGOYA=; b=nmSqT7iaOgzAPQeatd5KQOF+ScFyJONrIYHEmJuMZEvcSOuiLD9BDRzCjLiu+JkysW w9H0xNQLVKGgYVCNi4vAKcHL4t9oG+LSXXxq753hSSA8PqoUNtHeo24YIwA4SqgMq7p1 gC5PX5TD99KVzyDj6CCjDgJH4ZBwUJBofu0RViY/EMsBWDClOU/RLuRbbsltu78tu2FB njG3IBs9XkWlmpz1+0bM9JtT92xTx1ksKrHk5oEvlgzFcrAkXNwSx5KEtaSptPBqZgiC SR0Z3DnYrM3Nd/Mxq3E80HICPXZO9lBh7GLyKcorRLDNl3IYTQwpz3raxKzotbQftehC 51XQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=jHVmk0FH; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from howler.vger.email (howler.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:42 -0700 (PDT) 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 v2 17/19] riscv: add ISA extension parsing for Zfa Date: Tue, 17 Oct 2023 15:14:54 +0200 Message-ID: <20231017131456.2053396-18-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email 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 (howler.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:17:03 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008752710666632 X-GMAIL-MSGID: 1780008752710666632 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 d9fb782f198d..8f324c646a73 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -84,6 +84,7 @@ #define RISCV_ISA_EXT_ZIHINTNTL 66 #define RISCV_ISA_EXT_ZVFH 67 #define RISCV_ISA_EXT_ZVFHMIN 68 +#define RISCV_ISA_EXT_ZFA 69 #define RISCV_ISA_EXT_MAX 128 diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index c70885f5014b..296cc0025734 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -245,6 +245,7 @@ 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), From patchwork Tue Oct 17 13:14:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154285 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4127461vqb; Tue, 17 Oct 2023 06:17:32 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFfKVZ5SnVuqys3d/lQ0JYzSCL4VOmwqXkUOi/W9MN4smg04LOUpkkZEIH9lKcP1sjtzNLL X-Received: by 2002:a17:902:bd07:b0:1ca:28f3:569a with SMTP id p7-20020a170902bd0700b001ca28f3569amr2163719pls.5.1697548652246; Tue, 17 Oct 2023 06:17:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548652; cv=none; d=google.com; s=arc-20160816; b=FdyQFW6RxbXBSF5UK6G6jivsRdlSqhF+zK/aoriFxq4MT9vuPSQAk8vf/B1dcQDjTd gvsT6PwxerHag/hW8ECCKs7S4ecmof5wlRPTydMysil/o1FSqEWr8ZaRjZ9tFNgP+e69 0I0bnV62UkJ2TXGzXjqeXVxr71Ly7kJQLT3Nk4g/513xLp362lGIr9JfYJZVoQL7otzY EV/8Cof6QNX4HmcG4YZm3X7cXT/m0lPCrLn3qNK9y+9Xmwhq8gbicoVUjoDCcO82U+4c xDkX7azv/XmZHe+UYz0znIpZYdv23EyHU2XYjE1ZE97ZHd3LoOuP5rwI55G2OAlnI5jP jPZQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=C4LU7gzy3Hbb258ih1CCCOKNMQ4iLpkNhcu+Kc5tvws=; fh=lvGFqwUxN+Dx1jonz8cRGrvjuKDcjMXylffmtrJGOYA=; b=GL35JoieVtFE5oSb9zzSbLjpJw2eBjMNqSeT2LLt9tr1otWtDwBoZm/c/JRMgoWijZ 4iaYjT37qIc/rVWBsvXJJEsEGfoqivUpIDqbw+uqRnl3WtvYNcfKKbJMHwnL69j6W/wU kc5fnjvCZCQ1DQL7bH6njuCXXdH83ZHEyuq74k0/9T8avQk+IUMcNIB41BoH+QioYJeL +TktwFZXbmoFTeoms1n0DYs7gi8mRsIqWJ/Qs9x0QZtFZ3CMbzbWKqH5fGKldlGGmlis CHbR4b8tqsAEHsY9enyMuj65eRXzQyZGnoNlHZs8JHvzteHadnuDq3akNvOXN7GYHNuM Z+6Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=Sqf8DRC0; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from howler.vger.email (howler.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:44 -0700 (PDT) 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 v2 18/19] riscv: hwprobe: export Zfa ISA extension Date: Tue, 17 Oct 2023 15:14:55 +0200 Message-ID: <20231017131456.2053396-19-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email 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 (howler.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:17:29 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008775535225987 X-GMAIL-MSGID: 1780008775535225987 Export Zfa ISA extension[1] through hwprobe. Link: https://drive.google.com/file/d/1VT6QIggpb59-8QRV266dEE4T8FZTxGq4/view [1] Signed-off-by: Clément Léger Reviewed-by: Evan Green --- Documentation/riscv/hwprobe.rst | 4 ++++ arch/riscv/include/uapi/asm/hwprobe.h | 1 + arch/riscv/kernel/sys_riscv.c | 1 + 3 files changed, 6 insertions(+) diff --git a/Documentation/riscv/hwprobe.rst b/Documentation/riscv/hwprobe.rst index 782ac26cb92a..f81e3c93ac1e 100644 --- a/Documentation/riscv/hwprobe.rst +++ b/Documentation/riscv/hwprobe.rst @@ -154,6 +154,10 @@ The following keys are defined: defined in the RISC-V Vector manual starting from commit e2ccd0548d6c ("Remove draft warnings from Zvfh[min]"). + * :c:macro:`RISCV_HWPROBE_EXT_ZFA`: The Zfa extension is supported as + defined in the RISC-V ISA manual starting from commit 056b6ff467c7 + ("Zfa is ratified"). + * :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: A bitmask that contains performance information about the selected set of processors. diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 79407010952a..4014492c3960 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -54,6 +54,7 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZIHINTNTL (1 << 28) #define RISCV_HWPROBE_EXT_ZVFH (1 << 29) #define RISCV_HWPROBE_EXT_ZVFHMIN (1 << 30) +#define RISCV_HWPROBE_EXT_ZFA (1 << 31) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index 8d6edd721627..a6a063f1dcf5 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -192,6 +192,7 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, if (has_fpu()) { CHECK_ISA_EXT(ZFH); CHECK_ISA_EXT(ZFHMIN); + CHECK_ISA_EXT(ZFA); } #undef CHECK_ISA_EXT } From patchwork Tue Oct 17 13:14:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 154282 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2908:b0:403:3b70:6f57 with SMTP id ib8csp4126994vqb; Tue, 17 Oct 2023 06:16:53 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGw7Bz/foqdAvA0JtQaoVJDHUnZ59SnoGGL2MRsacBh9Bs0kM3vRXFM6sJTnVWoyF+Dmeh3 X-Received: by 2002:a05:6602:340f:b0:790:958e:a667 with SMTP id n15-20020a056602340f00b00790958ea667mr2896618ioz.2.1697548613760; Tue, 17 Oct 2023 06:16:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1697548613; cv=none; d=google.com; s=arc-20160816; b=DMnPChhPoF+IYy/zrYLsZuCVOxjvrSEZ5qGxDqTjad2g0lUv+7Hrwc3UO0RQdI0A33 +CLJpPzdrtLEc2X/vCKar3XAyysiSqQ/Jgla/tOTLiDTFlChVFTXEO06eQJF0J5DGYZp EL/jawTTdJ2yk0o/0GL3yo2JsWRBFYeFEJIw4ptmDTvKgG76qPyS5+bBBkeHKPO8bDSN 0oho+3X43Ayi0QrsSVs33Ze2X3d3XP4Bd/GMKbRfWYCHQw1amSBBdxwJHErNdcaEPepX mZF0/GJWukoebkeDDKuhMxgzHLk+OC6oYmw/rQm0/9Z2xAcsa0si4CKM3Gn0QfETTVP6 Namw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=VR7lcVmAz+UhHjZIcV3xEUmifohwbRxKjtUEu/6fWYw=; fh=lvGFqwUxN+Dx1jonz8cRGrvjuKDcjMXylffmtrJGOYA=; b=rKewhve+tBxe33cb4ayUxB2CI7k0cf2ydcCYGM6GnT6iewlLn4DGn27lJsWP0YnCUZ 0pxjQZ8rYcJsPIV/2Y/huJ6VWExXIhLDQPFNn4KR8oas2E5iXZ+Lrl2tT01H/14ktcMo dc2PVubiPmwJXAjGt5RqDWICl/KeHs20hNEs//virtxIIzG5PDO/gY93CMYZ9tdwsRDa uf6p6u0ZKrr4G+J2muz4UFdlGlPn8DMugrtZRJmyB33m6HDaREHRY1adEtpUuToe7Hdo qdavHHC2HQ/xGLXDcgOh8PtaETNVs4Qik0O+VvgU0ydYhHZQykNXFFwhvfT3eDDQfWFI 3mVQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=N6VSQM6+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from agentk.vger.email (agentk.vger.email. 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([2a01:e0a:999:a3a0:96:820c:ecf7:a817]) by smtp.gmail.com with ESMTPSA id fj7-20020a05600c0c8700b0040772138bb7sm9873393wmb.2.2023.10.17.06.15.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Oct 2023 06:15:45 -0700 (PDT) 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 v2 19/19] dt-bindings: riscv: add Zfa ISA extension description Date: Tue, 17 Oct 2023 15:14:56 +0200 Message-ID: <20231017131456.2053396-20-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017131456.2053396-1-cleger@rivosinc.com> References: <20231017131456.2053396-1-cleger@rivosinc.com> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email 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 (agentk.vger.email [0.0.0.0]); Tue, 17 Oct 2023 06:16:51 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780008735613976219 X-GMAIL-MSGID: 1780008735613976219 Add description for the Zfa ISA extension[1] which can now be reported through hwprobe for userspace usage. Link: https://drive.google.com/file/d/1VT6QIggpb59-8QRV266dEE4T8FZTxGq4/view [1] Signed-off-by: Clément Léger --- Documentation/devicetree/bindings/riscv/extensions.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml index 07678564f11d..3033afcea033 100644 --- a/Documentation/devicetree/bindings/riscv/extensions.yaml +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml @@ -208,6 +208,12 @@ properties: instructions as ratified at commit 6d33919 ("Merge pull request #158 from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip. + - const: zfa + description: + The standard Zfa extension for additional floating point + instructions, as ratified in commit 056b6ff ("Zfa is ratified") of + riscv-isa-manual. + - const: zfh description: The standard Zfh extension for 16-bit half-precision binary