[v6,02/16] riscv: add ISA extension parsing for Zimop

Message ID	20240604124550.3214710-3-cleger@rivosinc.com
State	Superseded
Headers	show Received: from mail-pg1-f169.google.com (mail-pg1-f169.google.com [209.85.215.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B7B7F1465BE for <linux-kselftest@vger.kernel.org>; Tue, 4 Jun 2024 12:46:33 +0000 (UTC) From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= <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: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= <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, Charlie Jenkins <charlie@rivosinc.com> Subject: [PATCH v6 02/16] riscv: add ISA extension parsing for Zimop Date: Tue, 4 Jun 2024 14:45:34 +0200 Message-ID: <20240604124550.3214710-3-cleger@rivosinc.com> In-Reply-To: <20240604124550.3214710-1-cleger@rivosinc.com> References: <20240604124550.3214710-1-cleger@rivosinc.com> Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit
Series	Add support for a few Zc* extensions, Zcmop and Zimop \| expand [v6,00/16] Add support for a few Zc* extensions, Zcmop and Zimop [v6,01/16] dt-bindings: riscv: add Zimop ISA extension description [v6,02/16] riscv: add ISA extension parsing for Zimop [v6,03/16] riscv: hwprobe: export Zimop ISA extension [v6,04/16] RISC-V: KVM: Allow Zimop extension for Guest/VM [v6,05/16] KVM: riscv: selftests: Add Zimop extension to get-reg-list test [v6,06/16] dt-bindings: riscv: add Zca, Zcf, Zcd and Zcb ISA extension description [v6,07/16] riscv: add ISA extensions validation callback [v6,08/16] riscv: add ISA parsing for Zca, Zcf, Zcd and Zcb [v6,09/16] riscv: hwprobe: export Zca, Zcf, Zcd and Zcb ISA extensions [v6,10/16] RISC-V: KVM: Allow Zca, Zcf, Zcd and Zcb extensions for Guest/VM [v6,11/16] KVM: riscv: selftests: Add some Zc* extensions to get-reg-list test [v6,12/16] dt-bindings: riscv: add Zcmop ISA extension description [v6,13/16] riscv: add ISA extension parsing for Zcmop [v6,14/16] riscv: hwprobe: export Zcmop ISA extension [v6,15/16] RISC-V: KVM: Allow Zcmop extension for Guest/VM [v6,16/16] KVM: riscv: selftests: Add Zcmop extension to get-reg-list test

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20240604124550.3214710-3-cleger@rivosinc.com

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Headers

From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= <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: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= <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,
 Charlie Jenkins <charlie@rivosinc.com>
Subject: [PATCH v6 02/16] riscv: add ISA extension parsing for Zimop
Date: Tue,  4 Jun 2024 14:45:34 +0200
Message-ID: <20240604124550.3214710-3-cleger@rivosinc.com>
In-Reply-To: <20240604124550.3214710-1-cleger@rivosinc.com>
References: <20240604124550.3214710-1-cleger@rivosinc.com>
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Series

Add support for a few Zc* extensions, Zcmop and Zimop | expand

Commit Message

Clément Léger June 4, 2024, 12:45 p.m. UTC

Add parsing for Zimop ISA extension which was ratified in commit
58220614a5f of the riscv-isa-manual.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
---
 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 e17d0078a651..543e3ea2da0e 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -81,6 +81,7 @@ 
 #define RISCV_ISA_EXT_ZTSO		72
 #define RISCV_ISA_EXT_ZACAS		73
 #define RISCV_ISA_EXT_XANDESPMU		74
+#define RISCV_ISA_EXT_ZIMOP		75
 
 #define RISCV_ISA_EXT_XLINUXENVCFG	127
 
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 5ef48cb20ee1..bd1597578fbc 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -256,6 +256,7 @@  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(zimop, RISCV_ISA_EXT_ZIMOP),
 	__RISCV_ISA_EXT_DATA(zacas, RISCV_ISA_EXT_ZACAS),
 	__RISCV_ISA_EXT_DATA(zfa, RISCV_ISA_EXT_ZFA),
 	__RISCV_ISA_EXT_DATA(zfh, RISCV_ISA_EXT_ZFH),

[v6,02/16] riscv: add ISA extension parsing for Zimop

Commit Message

Patch