linux-kernel - [PATCH 06/12] riscv: Add SiFive xsfvfnrclipxfqf vendor extension

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Message-Id: <20250418053239.4351-7-cyan.yang@sifive.com>
Date: Fri, 18 Apr 2025 13:32:33 +0800
From: Cyan Yang <cyan.yang@...ive.com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	corbet@....net,
	paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	alex@...ti.fr,
	samuel.holland@...ive.com
Cc: linux-doc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Cyan Yang <cyan.yang@...ive.com>
Subject: [PATCH 06/12] riscv: Add SiFive xsfvfnrclipxfqf vendor extension

Add SiFive vendor extension "xsfvfnrclipxfqf" support to the kernel.

Signed-off-by: Cyan Yang <cyan.yang@...ive.com>
---
 arch/riscv/include/asm/vendor_extensions/sifive.h | 1 +
 arch/riscv/kernel/vendor_extensions/sifive.c      | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/riscv/include/asm/vendor_extensions/sifive.h b/arch/riscv/include/asm/vendor_extensions/sifive.h
index 608004250e2e..2d05e3e73170 100644
--- a/arch/riscv/include/asm/vendor_extensions/sifive.h
+++ b/arch/riscv/include/asm/vendor_extensions/sifive.h
@@ -8,6 +8,7 @@
 
 #define RISCV_ISA_VENDOR_EXT_XSFVQMACCDOD		0
 #define RISCV_ISA_VENDOR_EXT_XSFVQMACCQOQ		1
+#define RISCV_ISA_VENDOR_EXT_XSFVFNRCLIPXFQF		2
 
 extern struct riscv_isa_vendor_ext_data_list riscv_isa_vendor_ext_list_sifive;
 
diff --git a/arch/riscv/kernel/vendor_extensions/sifive.c b/arch/riscv/kernel/vendor_extensions/sifive.c
index 990ac83b1f81..077315e5b2d7 100644
--- a/arch/riscv/kernel/vendor_extensions/sifive.c
+++ b/arch/riscv/kernel/vendor_extensions/sifive.c
@@ -9,6 +9,7 @@
 
 /* All SiFive vendor extensions supported in Linux */
 const struct riscv_isa_ext_data riscv_isa_vendor_ext_sifive[] = {
+	__RISCV_ISA_EXT_DATA(xsfvfnrclipxfqf, RISCV_ISA_VENDOR_EXT_XSFVFNRCLIPXFQF),
 	__RISCV_ISA_EXT_DATA(xsfvqmaccdod, RISCV_ISA_VENDOR_EXT_XSFVQMACCDOD),
 	__RISCV_ISA_EXT_DATA(xsfvqmaccqoq, RISCV_ISA_VENDOR_EXT_XSFVQMACCQOQ),
 };
-- 
2.39.5 (Apple Git-154)