From: Edgar E. Iglesias Date: Sun, 15 Apr 2018 21:21:06 +0000 (+0200) Subject: target-microblaze: mmu: Make the TLBX MISS bit read-only X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=fce6a8eceb07e27f0cdea87427f4e560dfa0b1c8;p=qemu.git target-microblaze: mmu: Make the TLBX MISS bit read-only Make the TLBX MISS bit read-only. Reviewed-by: Alistair Francis Reviewed-by: Richard Henderson Signed-off-by: Edgar E. Iglesias --- diff --git a/target/microblaze/mmu.c b/target/microblaze/mmu.c index 8391811900..9d5e6aa8a5 100644 --- a/target/microblaze/mmu.c +++ b/target/microblaze/mmu.c @@ -273,6 +273,10 @@ void mmu_write(CPUMBState *env, uint32_t rn, uint32_t v) env->mmu.regs[rn] = v; } break; + case MMU_R_TLBX: + /* Bit 31 is read-only. */ + env->mmu.regs[rn] = deposit32(env->mmu.regs[rn], 0, 31, v); + break; case MMU_R_TLBSX: { struct microblaze_mmu_lookup lu;