linux-kernel - [PATCH v2 07/13] riscv: csr: Add CSR encodings for VCSR_VXRM/VCSR

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Message-Id: <20240610-xtheadvector-v2-7-97a48613ad64@rivosinc.com>
Date: Mon, 10 Jun 2024 15:56:44 -0700
From: Charlie Jenkins <charlie@...osinc.com>
To: Conor Dooley <conor@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Jisheng Zhang <jszhang@...nel.org>, Chen-Yu Tsai <wens@...e.org>, 
 Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>, Jonathan Corbet <corbet@....net>, 
 Shuah Khan <shuah@...nel.org>, Guo Ren <guoren@...nel.org>, 
 Evan Green <evan@...osinc.com>, Andy Chiu <andy.chiu@...ive.com>, 
 Jessica Clarke <jrtc27@...c27.com>
Cc: linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-sunxi@...ts.linux.dev, 
 linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 Charlie Jenkins <charlie@...osinc.com>, Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH v2 07/13] riscv: csr: Add CSR encodings for
 VCSR_VXRM/VCSR_VXSAT

The VXRM vector csr for xtheadvector has an encoding of 0xa and VXSAT
has an encoding of 0x9.

Co-developed-by: Heiko Stuebner <heiko@...ech.de>
Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
---
 arch/riscv/include/asm/csr.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 18e178d83401..9086639a3dde 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -220,6 +220,8 @@
 #define VCSR_VXRM_MASK			3
 #define VCSR_VXRM_SHIFT			1
 #define VCSR_VXSAT_MASK			1
+#define VCSR_VXSAT			0x9
+#define VCSR_VXRM			0xa
 
 /* symbolic CSR names: */
 #define CSR_CYCLE		0xc00

-- 
2.44.0