From: "Clément Léger" <cleger@rivosinc.com> To: Jonathan Corbet <corbet@lwn.net>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Anup Patel <anup@brainfault.org>, Shuah Khan <shuah@kernel.org> Cc: "Clément Léger" <cleger@rivosinc.com>, "Atish Patra" <atishp@atishpatra.org>, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org Subject: [PATCH 02/10] riscv: add ISA parsing for Zca, Zcf, Zcd and Zcb Date: Wed, 10 Apr 2024 11:10:55 +0200 [thread overview] Message-ID: <20240410091106.749233-3-cleger@rivosinc.com> (raw) In-Reply-To: <20240410091106.749233-1-cleger@rivosinc.com> The Zc* standard extension for code reduction introduces new extensions. This patch adds support for Zca, Zcf, Zcd and Zcb. Zce, Zcmt and Zcmp are left out of this patch since they are targeting microcontrollers/ embedded CPUs instead of application processors. Signed-off-by: Clément Léger <cleger@rivosinc.com> --- arch/riscv/include/asm/hwcap.h | 4 ++++ arch/riscv/kernel/cpufeature.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index 543e3ea2da0e..b7551bad341b 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -82,6 +82,10 @@ #define RISCV_ISA_EXT_ZACAS 73 #define RISCV_ISA_EXT_XANDESPMU 74 #define RISCV_ISA_EXT_ZIMOP 75 +#define RISCV_ISA_EXT_ZCA 76 +#define RISCV_ISA_EXT_ZCB 77 +#define RISCV_ISA_EXT_ZCD 78 +#define RISCV_ISA_EXT_ZCF 79 #define RISCV_ISA_EXT_XLINUXENVCFG 127 diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 115ba001f1bc..09dee071274d 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -261,6 +261,10 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __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(zca, RISCV_ISA_EXT_ZCA), + __RISCV_ISA_EXT_DATA(zcb, RISCV_ISA_EXT_ZCB), + __RISCV_ISA_EXT_DATA(zcd, RISCV_ISA_EXT_ZCD), + __RISCV_ISA_EXT_DATA(zcf, RISCV_ISA_EXT_ZCF), __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), -- 2.43.0
WARNING: multiple messages have this Message-ID (diff)
From: "Clément Léger" <cleger@rivosinc.com> To: Jonathan Corbet <corbet@lwn.net>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Anup Patel <anup@brainfault.org>, Shuah Khan <shuah@kernel.org> Cc: "Clément Léger" <cleger@rivosinc.com>, "Atish Patra" <atishp@atishpatra.org>, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org Subject: [PATCH 02/10] riscv: add ISA parsing for Zca, Zcf, Zcd and Zcb Date: Wed, 10 Apr 2024 11:10:55 +0200 [thread overview] Message-ID: <20240410091106.749233-3-cleger@rivosinc.com> (raw) In-Reply-To: <20240410091106.749233-1-cleger@rivosinc.com> The Zc* standard extension for code reduction introduces new extensions. This patch adds support for Zca, Zcf, Zcd and Zcb. Zce, Zcmt and Zcmp are left out of this patch since they are targeting microcontrollers/ embedded CPUs instead of application processors. Signed-off-by: Clément Léger <cleger@rivosinc.com> --- arch/riscv/include/asm/hwcap.h | 4 ++++ arch/riscv/kernel/cpufeature.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h index 543e3ea2da0e..b7551bad341b 100644 --- a/arch/riscv/include/asm/hwcap.h +++ b/arch/riscv/include/asm/hwcap.h @@ -82,6 +82,10 @@ #define RISCV_ISA_EXT_ZACAS 73 #define RISCV_ISA_EXT_XANDESPMU 74 #define RISCV_ISA_EXT_ZIMOP 75 +#define RISCV_ISA_EXT_ZCA 76 +#define RISCV_ISA_EXT_ZCB 77 +#define RISCV_ISA_EXT_ZCD 78 +#define RISCV_ISA_EXT_ZCF 79 #define RISCV_ISA_EXT_XLINUXENVCFG 127 diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 115ba001f1bc..09dee071274d 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -261,6 +261,10 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { __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(zca, RISCV_ISA_EXT_ZCA), + __RISCV_ISA_EXT_DATA(zcb, RISCV_ISA_EXT_ZCB), + __RISCV_ISA_EXT_DATA(zcd, RISCV_ISA_EXT_ZCD), + __RISCV_ISA_EXT_DATA(zcf, RISCV_ISA_EXT_ZCF), __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), -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2024-04-10 9:11 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-04-10 9:10 [PATCH 00/10] Add support for a few Zc* extensions as well as Zcmop Clément Léger 2024-04-10 9:10 ` Clément Léger 2024-04-10 9:10 ` [PATCH 01/10] dt-bindings: riscv: add Zca, Zcf, Zcd and Zcb ISA extension description Clément Léger 2024-04-10 9:10 ` Clément Léger 2024-04-10 9:10 ` Clément Léger [this message] 2024-04-10 9:10 ` [PATCH 02/10] riscv: add ISA parsing for Zca, Zcf, Zcd and Zcb Clément Léger 2024-04-10 9:10 ` [PATCH 03/10] riscv: hwprobe: export Zca, Zcf, Zcd and Zcb ISA extensions Clément Léger 2024-04-10 9:10 ` Clément Léger 2024-04-10 9:10 ` [PATCH 04/10] RISC-V: KVM: Allow Zca, Zcf, Zcd and Zcb extensions for Guest/VM Clément Léger 2024-04-10 9:10 ` Clément Léger 2024-04-10 9:10 ` [PATCH 05/10] KVM: riscv: selftests: Add some Zc* extensions to get-reg-list test Clément Léger 2024-04-10 9:10 ` Clément Léger 2024-04-10 9:10 ` [PATCH 06/10] dt-bindings: riscv: add Zcmop ISA extension description Clément Léger 2024-04-10 9:10 ` Clément Léger 2024-04-10 9:11 ` [PATCH 07/10] riscv: add ISA extension parsing for Zcmop Clément Léger 2024-04-10 9:11 ` Clément Léger 2024-04-10 21:32 ` Deepak Gupta 2024-04-10 21:32 ` Deepak Gupta 2024-04-10 22:16 ` Conor Dooley 2024-04-10 22:16 ` Conor Dooley 2024-04-10 22:27 ` Conor Dooley 2024-04-10 22:27 ` Conor Dooley 2024-04-10 22:32 ` Deepak Gupta 2024-04-10 22:32 ` Deepak Gupta 2024-04-11 7:25 ` Clément Léger 2024-04-11 7:25 ` Clément Léger 2024-04-11 9:03 ` Conor Dooley 2024-04-11 9:03 ` Conor Dooley 2024-04-11 9:08 ` Clément Léger 2024-04-11 9:08 ` Clément Léger 2024-04-11 11:53 ` Conor Dooley 2024-04-11 11:53 ` Conor Dooley 2024-04-15 9:10 ` Clément Léger 2024-04-15 9:10 ` Clément Léger 2024-04-16 14:54 ` Conor Dooley 2024-04-16 14:54 ` Conor Dooley 2024-04-16 15:23 ` Clément Léger 2024-04-16 15:23 ` Clément Léger 2024-04-17 13:11 ` Conor Dooley 2024-04-17 13:11 ` Conor Dooley 2024-04-10 9:11 ` [PATCH 08/10] riscv: hwprobe: export Zcmop ISA extension Clément Léger 2024-04-10 9:11 ` Clément Léger 2024-04-10 9:11 ` [PATCH 09/10] RISC-V: KVM: Allow Zcmop extension for Guest/VM Clément Léger 2024-04-10 9:11 ` Clément Léger 2024-04-10 9:11 ` [PATCH 10/10] KVM: riscv: selftests: Add Zcmop extension to get-reg-list test Clément Léger 2024-04-10 9:11 ` Clément Léger 2024-04-10 21:34 ` [PATCH 00/10] Add support for a few Zc* extensions as well as Zcmop Deepak Gupta 2024-04-10 21:34 ` Deepak Gupta
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