From: Weiwei Li <liweiwei@iscas.ac.cn>
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>
Message-Id: <20230603134236.15719-4-liweiwei@iscas.ac.cn>
Signed-off-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
@@ -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;
/*
--
2.40.1