diff options
Diffstat (limited to 'target/riscv/csr.c')
| -rw-r--r-- | target/riscv/csr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target/riscv/csr.c b/target/riscv/csr.c index f4e0a39..4ca96dd 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -122,6 +122,10 @@ static RISCVException ctr(CPURISCVState *env, int csrno) if ((csrno >= CSR_CYCLE && csrno <= CSR_INSTRET) || (csrno >= CSR_CYCLEH && csrno <= CSR_INSTRETH)) { + if (!riscv_cpu_cfg(env)->ext_zicntr) { + return RISCV_EXCP_ILLEGAL_INST; + } + goto skip_ext_pmu_check; } |