[PATCH rtems v3 3/7] cpu/armv7m: Add table based init for ARMV7M_MPU
Christian Mauderer
christian.mauderer at embedded-brains.de
Thu Nov 19 10:17:10 UTC 2020
Am 19.11.20 um 10:22 schrieb Christian Mauderer:
> Am 19.11.20 um 10:15 schrieb Sebastian Huber:
>>
>> On 19/11/2020 09:51, Christian Mauderer wrote:
>>> + mpu = _ARMV7M_MPU;
>>> + scb = _ARMV7M_SCB;
>>> +
>>> + scb->shcsr &= ~ARMV7M_SCB_SHCSR_MEMFAULTENA;
>> I think it is not necessary to touch the shcsr. Disabling the MPU
>> should be enough.
>
> OK. I'll try it on the imxrt.
Seems to be no problem to remove that line. I'll do that before pushing.
>
>>> + mpu->ctrl = 0;
>>> +
>>> + _ARM_Data_synchronization_barrier();
>>> + _ARM_Instruction_synchronization_barrier();
>>
>
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