diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/riscv/csr.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 0d5bc2f..6dbe9b5 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -3139,7 +3139,7 @@ static inline RISCVException riscv_csrrw_check(CPURISCVState *env, int read_only = get_field(csrno, 0xC00) == 3; int csr_min_priv = csr_ops[csrno].min_priv_ver; #if !defined(CONFIG_USER_ONLY) - int effective_priv = env->priv; + int csr_priv, effective_priv = env->priv; if (riscv_has_ext(env, RVH) && env->priv == PRV_S) { /* @@ -3152,7 +3152,11 @@ static inline RISCVException riscv_csrrw_check(CPURISCVState *env, effective_priv++; } - if (!env->debugger && (effective_priv < get_field(csrno, 0x300))) { + csr_priv = get_field(csrno, 0x300); + if (!env->debugger && (effective_priv < csr_priv)) { + if (csr_priv == (PRV_S + 1) && riscv_cpu_virt_enabled(env)) { + return RISCV_EXCP_VIRT_INSTRUCTION_FAULT; + } return RISCV_EXCP_ILLEGAL_INST; } #endif |