On Mon, May 29, 2023 at 10:18 PM Weiwei Li <liwei...@iscas.ac.cn> wrote:
>
> 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 <liwei...@iscas.ac.cn>
> Signed-off-by: Junqiang Wang <wangjunqi...@iscas.ac.cn>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Alistair
> ---
> 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
>
>
