[PATCH v16 20/27] riscv/hwprobe: zicfilp / zicfiss enumeration in hwprobe

Deepak Gupta
2025-05-23T05:32:22Z

Adding enumeration of zicfilp and zicfiss extensions in hwprobe syscall.

Reviewed-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Deepak Gupta <debug@rivosinc.com>
---
arch/riscv/include/uapi/asm/hwprobe.h | 2 ++
arch/riscv/kernel/sys_hwprobe.c | 2 ++
2 files changed, 4 insertions(+)

diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h
index 3c2fce939673..9bc96881dc9b 100644
--- a/arch/riscv/include/uapi/asm/hwprobe.h
+++ b/arch/riscv/include/uapi/asm/hwprobe.h
@@ -81,6 +81,8 @@ struct riscv_hwprobe {
#define RISCV_HWPROBE_EXT_ZICBOM (1ULL << 55)
#define RISCV_HWPROBE_EXT_ZAAMO (1ULL << 56)
#define RISCV_HWPROBE_EXT_ZALRSC (1ULL << 57)
+#define RISCV_HWPROBE_EXT_ZICFILP (1ULL << 58)
+#define RISCV_HWPROBE_EXT_ZICFISS (1ULL << 59)
#define RISCV_HWPROBE_KEY_CPUPERF_0 5
#define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0)
#define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0)
diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c
index 249aec8594a9..c86cba0e4506 100644
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
@@ -111,6 +111,8 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
EXT_KEY(ZCMOP);
EXT_KEY(ZICBOM);
EXT_KEY(ZICBOZ);
+ EXT_KEY(ZICFILP);
+ EXT_KEY(ZICFISS);
EXT_KEY(ZICNTR);
EXT_KEY(ZICOND);
EXT_KEY(ZIHINTNTL);

--
2.43.0