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-rw-r--r--target/riscv/pmp.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c
index a08cd95..bcb4baa 100644
--- a/target/riscv/pmp.c
+++ b/target/riscv/pmp.c
@@ -45,6 +45,10 @@ static inline uint8_t pmp_get_a_field(uint8_t cfg)
*/
static inline int pmp_is_locked(CPURISCVState *env, uint32_t pmp_index)
{
+ /* mseccfg.RLB is set */
+ if (MSECCFG_RLB_ISSET(env)) {
+ return 0;
+ }
if (env->pmp_state.pmp[pmp_index].cfg_reg & PMP_LOCK) {
return 1;