RISC-V: define the elements of the VCSR vector CSR
From: Heiko Stuebner <heiko.stuebner@...> Date: Fri, 24 Feb 2023 14:20:17 +0100
Commit-Message
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@...> Reviewed-by: Conor Dooley <conor.dooley@...> Signed-off-by: Heiko Stuebner <heiko.stuebner@...>
Patch-Comment
arch/riscv/include/asm/csr.h | 5 +++++ 1 file changed, 5 insertions(+)
Statistics
- 5 lines added
- 0 lines removed
Changes
------------------------- arch/riscv/include/asm/csr.h -------------------------
index b98b3b6c9da2..2d79bca6ffe8 100644
@@ -199,6 +199,11 @@
#define ENVCFG_CBIE_INV _AC(0x3, UL)
#define ENVCFG_FIOM _AC(0x1, UL)
+/* VCSR flags */
+#define VCSR_VXRM_MASK 3
+#define VCSR_VXRM_SHIFT 1
+#define VCSR_VXSAT_MASK 1
+
/* symbolic CSR names: */
#define CSR_CYCLE 0xc00
#define CSR_TIME 0xc01