Re: [Qemu-devel] [PATCH v1 10/29] target-microblaze: Bypass MMU with MMU_NOMMU_IDX

[Alistair Francis]

On Thu, May 3, 2018 at 2:22 AM Edgar E. Iglesias <address@hidden>
wrote:

> From: "Edgar E. Iglesias" <address@hidden>

> Bypass MMU translation when mmu-index MMU_NOMMU_IDX is used.

> Signed-off-by: Edgar E. Iglesias <address@hidden>

Reviewed-by: Alistair Francis <address@hidden>

Alistair

> ---
>   target/microblaze/helper.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)

> diff --git a/target/microblaze/helper.c b/target/microblaze/helper.c
> index a9f4ca93e3..261dcc74c7 100644
> --- a/target/microblaze/helper.c
> +++ b/target/microblaze/helper.c
> @@ -58,7 +58,8 @@ int mb_cpu_handle_mmu_fault(CPUState *cs, vaddr
address, int size, int rw,
>       int prot;

>       /* Translate if the MMU is available and enabled.  */
> -    if (cpu->cfg.use_mmu && (env->sregs[SR_MSR] & MSR_VM)) {
> +    if (cpu->cfg.use_mmu && (env->sregs[SR_MSR] & MSR_VM)
> +        && mmu_idx != MMU_NOMMU_IDX) {
>           uint32_t vaddr, paddr;
>           struct microblaze_mmu_lookup lu;

> --
> 2.14.1