diff options
| -rw-r--r-- | target-microblaze/mmu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/target-microblaze/mmu.c b/target-microblaze/mmu.c index 72d318384a..d14373ce42 100644 --- a/target-microblaze/mmu.c +++ b/target-microblaze/mmu.c @@ -220,6 +220,13 @@ void mmu_write(CPUState *env, uint32_t rn, uint32_t v) D(qemu_log("%s ram[%d][%d]=%x\n", __func__, rn & 1, i, v)); break; case MMU_R_ZPR: + /* Changes to the zone protection reg flush the QEMU TLB. + Fortunately, these are very uncommon. */ + if (v != env->mmu.regs[rn]) { + tlb_flush(env, 1); + } + env->mmu.regs[rn] = v; + break; case MMU_R_PID: if (v != env->mmu.regs[rn]) { mmu_change_pid(env, v); |