Commit bd9e6608 authored by Edgar E. Iglesias's avatar Edgar E. Iglesias
Browse files

target-microblaze: mmu: Make TLBSX write-only 



Make TLBSX write-only and guest-error log reads from it.

Reviewed-by: default avatarAlistair Francis <alistair.francis@wdc.com>
Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
parent df1e528a

target/microblaze/mmu.c

+4 −1
Original line number Diff line number Diff line
@@ -182,7 +182,7 @@ done: 
uint32_t mmu_read(CPUMBState *env, uint32_t rn)

{

    unsigned int i;

    uint32_t r;

    uint32_t r = 0;



    if (env->mmu.c_mmu < 2 || !env->mmu.c_mmu_tlb_access) {

        qemu_log_mask(LOG_GUEST_ERROR, "MMU access on MMU-less system\n");
@@ -211,6 +211,9 @@ uint32_t mmu_read(CPUMBState *env, uint32_t rn) 
            }

            r = env->mmu.regs[rn];

            break;

        case MMU_R_TLBSX:

            qemu_log_mask(LOG_GUEST_ERROR, "TLBSX is write-only.\n");

            break;

        default:

            r = env->mmu.regs[rn];

            break;