diff options
| -rw-r--r-- | target/riscv/op_helper.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index ee7c24efe7..58d992e98a 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -146,7 +146,8 @@ target_ulong helper_mret(CPURISCVState *env, target_ulong cpu_pc_deb) uint64_t mstatus = env->mstatus; target_ulong prev_priv = get_field(mstatus, MSTATUS_MPP); - if (!pmp_get_num_rules(env) && (prev_priv != PRV_M)) { + if (riscv_feature(env, RISCV_FEATURE_PMP) && + !pmp_get_num_rules(env) && (prev_priv != PRV_M)) { riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC()); } |