> From: Yongbok Kim <yongbok....@imgtec.com>
>
> Fix to raise a Reserved Instruction exception when given fs is not
> available from CTC1.
>
> Signed-off-by: Yongbok Kim <yongbok....@mips.com>
Reviewed-by: Aleksandar Markovic <aleksandar.marko...@mips.com>
> ---
> target/mips/op_helper.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c
> index 9025f42..41d3634 100644
> --- a/target/mips/op_helper.c
> +++ b/target/mips/op_helper.c
> @@ -2627,6 +2627,9 @@ void helper_ctc1(CPUMIPSState *env, target_ulong arg1,
> uint32_t fs, uint32_t rt)
> (env->active_fpu.fcr31 & ~(env->active_fpu.fcr31_rw_bitmask));
> break;
> default:
> + if (env->insn_flags & ISA_MIPS32R6) {
> + do_raise_exception(env, EXCP_RI, GETPC());
> + }
> return;
> }
> restore_fp_status(env);
> --
> 1.9.1
