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[PATCH v2 3/3] target/riscv: Remove redundant assignment to SXL
From: |
Weiwei Li |
Subject: |
[PATCH v2 3/3] target/riscv: Remove redundant assignment to SXL |
Date: |
Sat, 3 Jun 2023 21:42:36 +0800 |
SXL is initialized as env->misa_mxl which is also the mxl value.
So we can just remain it unchanged to keep it read-only.
Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/csr.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 6ac11d1f11..25345f3153 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -1321,10 +1321,6 @@ static RISCVException write_mstatus(CPURISCVState *env,
int csrno,
mstatus = (mstatus & ~mask) | (val & mask);
- if (xl > MXL_RV32) {
- /* SXL field is for now read only */
- mstatus = set_field(mstatus, MSTATUS64_SXL, xl);
- }
env->mstatus = mstatus;
/*
--
2.25.1