[PATCH v9 06/13] RISC-V: define the elements of the VCSR vector CSR
Charlie Jenkins
charlie at rivosinc.com
Tue Aug 6 17:31:42 PDT 2024
From: Heiko Stuebner <heiko at sntech.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 at kernel.org>
Reviewed-by: Conor Dooley <conor.dooley at microchip.com>
Signed-off-by: Heiko Stuebner <heiko.stuebner at vrull.eu>
Signed-off-by: Charlie Jenkins <charlie at rivosinc.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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