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riscv: Add Vector CSRs to csr.h

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The CSR register definitions from RVV 1.0 spec: https://github.com/riscv/riscv-v-spec/blob/master/v-spec.adoc#vector-registers

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
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Huang Qi 2024-04-18 16:44:57 +08:00 committed by archer
parent d73aab9f71
commit 93d75129de
1 changed files with 10 additions and 0 deletions
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10
arch/risc-v/include/csr.h
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@ -304,6 +304,16 @@
#define CSR_DSCRATCH0 0x7b2 /* Debug Scratch 0 */ #define CSR_DSCRATCH0 0x7b2 /* Debug Scratch 0 */
#define CSR_DSCRATCH1 0x7b3 /* Debug Scratch 1 */ #define CSR_DSCRATCH1 0x7b3 /* Debug Scratch 1 */
/* Vector CSRs */
#define CSR_VSTART 0x008 /* Vector Start Position */
#define CSR_VXSAT 0x009 /* Fixed-Point Saturate Flag */
#define CSR_VXRM 0x00a /* Fixed-Point Rounding Mode */
#define CSR_VCSR 0x00f /* Vector Control and Status */
#define CSR_VL 0xc20 /* Vector Length */
#define CSR_VTYPE 0xc21 /* Vector Data Type */
#define CSR_VLENB 0xc22 /* Vector Length in Bytes (VLEN/8) */
/* In mstatus register */ /* In mstatus register */
#define MSTATUS_UIE (0x1 << 0) /* User Interrupt Enable */ #define MSTATUS_UIE (0x1 << 0) /* User Interrupt Enable */