diff options
Diffstat (limited to 'target/riscv/pmp.c')
| -rw-r--r-- | target/riscv/pmp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c index 151da3fa08..ea2b67d947 100644 --- a/target/riscv/pmp.c +++ b/target/riscv/pmp.c @@ -167,6 +167,9 @@ void pmp_update_rule_addr(CPURISCVState *env, uint32_t pmp_index) case PMP_AMATCH_TOR: sa = prev_addr << 2; /* shift up from [xx:0] to [xx+2:2] */ ea = (this_addr << 2) - 1u; + if (sa > ea) { + sa = ea = 0u; + } break; case PMP_AMATCH_NA4: |