Re: [Qemu-devel] [PATCH v3 01/15] target-arm: Correct check for non-EL3

[Peter Maydell <peter.maydell@linaro.org>]

On 1 June 2015 at 21:31, John Snow <jsnow@redhat.com> wrote:
>
>
> On 06/01/2015 04:26 PM, Peter Maydell wrote:
>> On 1 June 2015 at 21:10, John Snow <jsnow@redhat.com> wrote:
>>>
>>>
>>> On 05/29/2015 02:43 AM, Edgar E. Iglesias wrote:
>>>> From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>
>>>>
>>>> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
>>>> ---
>>>>  target-arm/op_helper.c | 2 +-
>>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c
>>>> index 3f5b9ab..7583ae7 100644
>>>> --- a/target-arm/op_helper.c
>>>> +++ b/target-arm/op_helper.c
>>>> @@ -421,7 +421,7 @@ void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip, uint32_t syndrome)
>>>>          /* Requesting a trap to EL2 when we're in EL3 or S-EL0/1 is
>>>>           * a bug in the access function.
>>>>           */
>>>> -        assert(!arm_is_secure(env) && !arm_current_el(env) == 3);
>>>> +        assert(!arm_is_secure(env) && arm_current_el(env) != 3);
>>>>          target_el = 2;
>>>>          break;
>>>>      case CP_ACCESS_TRAP_EL3:
>>>>
>>>
>>> This patch could even be liberated from this series if it hasn't been
>>> already, since the clang build is currently broken with -Werror without
>>> this fix.
>>
>> Only clang 3.5, I suspect -- my clang build uses Werror but it's
>> an older clang. I have queued the first half of this series into
>> target-arm.next anyway (might directly apply this one as a buildfix).
>>
>> -- PMM
>>
>
> Oh, yes, this is with Clang 3.5.0 as seen in F21. I don't have a
> particularly convenient way to test older versions at the moment, so I
> do all of my clang regression testing on this version.
>
> Wouldn't mind the buildfix for this and the other issue spotted by MST
> to help make build testing sane again this week :)

I've applied this patch to master; thanks.

-- PMM