diff mbox series

[v2,14/19] riscv: add ISA extension parsing for Zvfh[min]

Message ID 20231017131456.2053396-15-cleger@rivosinc.com (mailing list archive)
State Superseded
Headers show
Series riscv: report more ISA extensions through hwprobe | expand

Checks

Context Check Description
conchuod/vmtest-for-next-PR fail PR summary
conchuod/vmtest-fixes-PR fail PR summary
conchuod/patch-14-test-1 success .github/scripts/patches/build_rv32_defconfig.sh
conchuod/patch-14-test-2 success .github/scripts/patches/build_rv64_clang_allmodconfig.sh
conchuod/patch-14-test-3 success .github/scripts/patches/build_rv64_gcc_allmodconfig.sh
conchuod/patch-14-test-4 success .github/scripts/patches/build_rv64_nommu_k210_defconfig.sh
conchuod/patch-14-test-5 success .github/scripts/patches/build_rv64_nommu_virt_defconfig.sh
conchuod/patch-14-test-6 warning .github/scripts/patches/checkpatch.sh
conchuod/patch-14-test-7 success .github/scripts/patches/dtb_warn_rv64.sh
conchuod/patch-14-test-8 success .github/scripts/patches/header_inline.sh
conchuod/patch-14-test-9 success .github/scripts/patches/kdoc.sh
conchuod/patch-14-test-10 success .github/scripts/patches/module_param.sh
conchuod/patch-14-test-11 success .github/scripts/patches/verify_fixes.sh
conchuod/patch-14-test-12 success .github/scripts/patches/verify_signedoff.sh

Commit Message

Clément Léger Oct. 17, 2023, 1:14 p.m. UTC
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@rivosinc.com>
---
 arch/riscv/include/asm/hwcap.h | 2 ++
 arch/riscv/kernel/cpufeature.c | 2 ++
 2 files changed, 4 insertions(+)

Comments

Evan Green Oct. 18, 2023, 5:28 p.m. UTC | #1
On Tue, Oct 17, 2023 at 6:15 AM Clément Léger <cleger@rivosinc.com> wrote:
>
> 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@rivosinc.com>

Reviewed-by: Evan Green <evan@rivosinc.com>
diff mbox series

Patch

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),