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Message-Id: <20240806-xtheadvector-v9-6-62a56d2da5d0@rivosinc.com>
Date: Tue, 06 Aug 2024 17:31:42 -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>, 
 Samuel Holland <samuel.holland@...ive.com>, 
 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>, 
 Andrew Jones <ajones@...tanamicro.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>, 
 Conor Dooley <conor.dooley@...rochip.com>, Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH v9 06/13] RISC-V: define the elements of the VCSR vector
 CSR

From: Heiko Stuebner <heiko@...ech.de>

The VCSR CSR contains two elements VXRM[2:1] and VXSAT[0].

Define constants for those to access the elements in a readable way.

Acked-by: Guo Ren <guoren@...nel.org>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Heiko Stuebner <heiko.stuebner@...ll.eu>
Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
---
 arch/riscv/include/asm/csr.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 25966995da04..3eeb07d73065 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -300,6 +300,10 @@
 #define CSR_STIMECMP		0x14D
 #define CSR_STIMECMPH		0x15D
 
+#define VCSR_VXRM_MASK			3
+#define VCSR_VXRM_SHIFT			1
+#define VCSR_VXSAT_MASK			1
+
 /* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
 #define CSR_SISELECT		0x150
 #define CSR_SIREG		0x151

-- 
2.45.0


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