On 8 December 2015 at 19:59, Richard Henderson <r...@twiddle.net> wrote:
> On 12/04/2015 07:01 AM, Alex Zuepke wrote:
>> LEON3 allows the CASA instruction to be used from user space
>> if the ASI is set to 0xa (user data).
>>
>> Signed-off-by: Alex Zuepke <a...@sysgo.de>
>> ---
>> target-sparc/translate.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/target-sparc/translate.c b/target-sparc/translate.c
>> index 41a3319..63440dd 100644
>> --- a/target-sparc/translate.c
>> +++ b/target-sparc/translate.c
>> @@ -5097,7 +5097,8 @@ static void disas_sparc_insn(DisasContext * dc,
>> unsigned int insn)
>> if (IS_IMM) {
>> goto illegal_insn;
>> }
>> - if (!supervisor(dc)) {
>> + /* LEON3 allows CASA from user space with ASI 0xa */
>> + if ((GET_FIELD(insn, 19, 26) != 0xa) &&
>> !supervisor(dc)) {
>> goto priv_insn;
>> }
>> #endif
>>
>
> Reviewed-by: Richard Henderson <r...@twiddle.net>
>
> This should probably be merged for 2.5.
Very late, but a very small patch which only affects TCG SPARC,
so I'm OK with applying it to master. (Mark, did you want to ack/review?)
thanks
-- PMM
