Re: [Qemu-devel] [PATCH] sparc: fix leon3 casa instruction when MMU is disabled

[Richard Henderson]

On 03/02/2018 01:59 AM, KONRAD Frederic wrote:
> From: KONRAD Frederic <address@hidden>
> 
> Since the commit af7a06bac7d3abb2da48ef3277d2a415772d2ae8:
> `casa [..](10), .., ..` (and probably others alternate space instructions)
> triggers a data access exception when the MMU is disabled.
> 
> When we enter get_asi(...) dc->mem_idx is set to MMU_PHYS_IDX when the MMU
> is disabled. Just keep mem_idx unchanged in this case so we passthrough the
> MMU when it is disabled.
> 
> Signed-off-by: KONRAD Frederic <address@hidden>
> ---
> 
> Notes:
>     Changes RFC -> V1:
>      * emit the instruction with MMU_PHYS_IDX instead of checking that the MMU
>        is enabled in get_physical_address(..)
> 
>  target/sparc/translate.c | 5 +++++
>  1 file changed, 5 insertions(+)

Reviewed-by: Richard Henderson <address@hidden>

r~