diff options
| -rw-r--r-- | target/riscv/csr.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 1938bdca7d..6a39c4aa96 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -181,7 +181,11 @@ static RISCVException hmode(CPURISCVState *env, int csrno) static RISCVException hmode32(CPURISCVState *env, int csrno) { if (!riscv_cpu_is_32bit(env)) { - return RISCV_EXCP_NONE; + if (riscv_cpu_virt_enabled(env)) { + return RISCV_EXCP_ILLEGAL_INST; + } else { + return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; + } } return hmode(env, csrno); |