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Message-Id: <20240911-xtheadvector-v10-6-8d3930091246@rivosinc.com>
Date: Wed, 11 Sep 2024 22:55:14 -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 v10 06/14] 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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