[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20231017131456.2053396-15-cleger@rivosinc.com>
Date: Tue, 17 Oct 2023 15:14:51 +0200
From: Clément Léger <cleger@...osinc.com>
To: linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Cc: Clément Léger <cleger@...osinc.com>,
Palmer Dabbelt <palmer@...osinc.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Albert Ou <aou@...s.berkeley.edu>,
Jonathan Corbet <corbet@....net>,
Andrew Jones <ajones@...tanamicro.com>,
Evan Green <evan@...osinc.com>,
Conor Dooley <conor@...nel.org>,
Samuel Ortiz <sameo@...osinc.com>
Subject: [PATCH v2 14/19] riscv: add ISA extension parsing for Zvfh[min]
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 <cleger@...osinc.com>
---
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),
--
2.42.0
Powered by blists - more mailing lists