diff --git a/qemu/target/arm/helper.c b/qemu/target/arm/helper.c index a2a52b70..1030dad1 100644 --- a/qemu/target/arm/helper.c +++ b/qemu/target/arm/helper.c @@ -10439,9 +10439,11 @@ static bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address, hit = true; } else if (m_is_ppb_region(env, address)) { hit = true; - } else if (pmsav7_use_background_region(cpu, mmu_idx, is_user)) { - hit = true; } else { + if (pmsav7_use_background_region(cpu, mmu_idx, is_user)) { + hit = true; + } + for (n = (int)cpu->pmsav7_dregion - 1; n >= 0; n--) { /* region search */ /* Note that the base address is bits [31:5] from the register @@ -10479,7 +10481,7 @@ static bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address, *is_subpage = true; } - if (hit) { + if (matchregion != -1) { /* Multiple regions match -- always a failure (unlike * PMSAv7 where highest-numbered-region wins) */