Commit d0f3654f authored by Edgar E. Iglesias's avatar Edgar E. Iglesias
Browse files

microblaze: Make writes to MMU_ZPR flush the TLB. 



Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@gmail.com>
parent 6b2fce90

target-microblaze/mmu.c

+7 −0
Original line number Diff line number Diff line
@@ -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);