diff mbox series

[v2,3/3] target/riscv: Remove redundant assignment to SXL

Message ID 20230603134236.15719-4-liweiwei@iscas.ac.cn (mailing list archive)
State New, archived
Headers show
Series target/riscv: Fix mstatus related problems | expand

Commit Message

Weiwei Li June 3, 2023, 1:42 p.m. UTC 
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 mbox series

Patch

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;
 
     /*