diff options
Diffstat (limited to 'target/riscv')
| -rw-r--r-- | target/riscv/pmp.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c index 4d62dfc732..48a3e44a77 100644 --- a/target/riscv/pmp.c +++ b/target/riscv/pmp.c @@ -507,6 +507,7 @@ void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index, target_ulong val) { trace_pmpaddr_csr_write(env->mhartid, addr_index, val); + bool is_next_cfg_tor = false; if (addr_index < MAX_RISCV_PMPS) { /* @@ -515,9 +516,9 @@ void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index, */ if (addr_index + 1 < MAX_RISCV_PMPS) { uint8_t pmp_cfg = env->pmp_state.pmp[addr_index + 1].cfg_reg; + is_next_cfg_tor = PMP_AMATCH_TOR == pmp_get_a_field(pmp_cfg); - if (pmp_cfg & PMP_LOCK && - PMP_AMATCH_TOR == pmp_get_a_field(pmp_cfg)) { + if (pmp_cfg & PMP_LOCK && is_next_cfg_tor) { qemu_log_mask(LOG_GUEST_ERROR, "ignoring pmpaddr write - pmpcfg + 1 locked\n"); return; @@ -526,7 +527,10 @@ void pmpaddr_csr_write(CPURISCVState *env, uint32_t addr_index, if (!pmp_is_locked(env, addr_index)) { env->pmp_state.pmp[addr_index].addr_reg = val; - pmp_update_rule(env, addr_index); + pmp_update_rule_addr(env, addr_index); + if (is_next_cfg_tor) { + pmp_update_rule_addr(env, addr_index + 1); + } } else { qemu_log_mask(LOG_GUEST_ERROR, "ignoring pmpaddr write - locked\n"); |