linux-kernel - [PATCH v3 25/29] riscv/hwprobe: zicfilp / zicfiss enumeration in hwprobe

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Message-ID: <20240403234054.2020347-26-debug@rivosinc.com>
Date: Wed,  3 Apr 2024 16:35:13 -0700
From: Deepak Gupta <debug@...osinc.com>
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Subject: [PATCH v3 25/29] riscv/hwprobe: zicfilp / zicfiss enumeration in hwprobe

Adding enumeration of zicfilp and zicfiss extensions in hwprobe syscall.

Signed-off-by: Deepak Gupta <debug@...osinc.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 9f2a8e3ff204..4ffc6de1eed7 100644
--- a/arch/riscv/include/uapi/asm/hwprobe.h
+++ b/arch/riscv/include/uapi/asm/hwprobe.h
@@ -59,6 +59,8 @@ struct riscv_hwprobe {
 #define		RISCV_HWPROBE_EXT_ZTSO		(1ULL << 33)
 #define		RISCV_HWPROBE_EXT_ZACAS		(1ULL << 34)
 #define		RISCV_HWPROBE_EXT_ZICOND	(1ULL << 35)
+#define		RISCV_HWPROBE_EXT_ZICFILP	(1ULL << 36)
+#define		RISCV_HWPROBE_EXT_ZICFISS	(1ULL << 37)
 #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 a7c56b41efd2..ddc7a9612a90 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(ZTSO);
 		EXT_KEY(ZACAS);
 		EXT_KEY(ZICOND);
+		EXT_KEY(ZICFILP);
+		EXT_KEY(ZICFISS);
 
 		if (has_vector()) {
 			EXT_KEY(ZVBB);
-- 
2.43.2