linux-kernel - [PATCH 07/10] riscv: add ISA extension parsing for Zcmop

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Message-ID: <20240410091106.749233-8-cleger@rivosinc.com>
Date: Wed, 10 Apr 2024 11:11:00 +0200
From: Clément Léger <cleger@...osinc.com>
To: Jonathan Corbet <corbet@....net>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Conor Dooley <conor@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Anup Patel <anup@...infault.org>,
	Shuah Khan <shuah@...nel.org>
Cc: Clément Léger <cleger@...osinc.com>,
	Atish Patra <atishp@...shpatra.org>,
	linux-doc@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	kvm@...r.kernel.org,
	kvm-riscv@...ts.infradead.org,
	linux-kselftest@...r.kernel.org
Subject: [PATCH 07/10] riscv: add ISA extension parsing for Zcmop

Add parsing for Zcmop ISA extension which was ratified in commit
b854a709c00 ("Zcmop is ratified/1.0") of the riscv-isa-manual.

Signed-off-by: Clément Léger <cleger@...osinc.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 b7551bad341b..cff7660de268 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -86,6 +86,7 @@
 #define RISCV_ISA_EXT_ZCB		77
 #define RISCV_ISA_EXT_ZCD		78
 #define RISCV_ISA_EXT_ZCF		79
+#define RISCV_ISA_EXT_ZCMOP		80
 
 #define RISCV_ISA_EXT_XLINUXENVCFG	127
 
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 09dee071274d..f1450cd7231e 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -265,6 +265,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
 	__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(zcmop, RISCV_ISA_EXT_ZCMOP),
 	__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