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4 Commits (a7bf31210677d72cfbd0cc94fe12227149b3c680)

Author SHA1 Message Date
Russ Butler 1821d37621 Overhaul MPU for new requirements 
Make the following changes:
-Allow a vector specific ARM MPU driver by defining MBED_MPU_CUSTOM
-Allow ROM address to be configured for ARMv7-M devices by
    setting the define MBED_MPU_ROM_END
-Add ROM write protection
    -Add new functions and lock
    -enable at boot
    -disable during flash programming
 2018-11-27 09:29:32 +00:00
Russ Butler 7283f9b0ee Add a formal HAL specification for the MPU API 
Add a formal HAL specification consisting of:
-defined and undefined behavior
-test descriptions
-enable doxygen for MPU
 2018-11-27 09:29:32 +00:00
Russ Butler d00f59fdc8 Rework MPU layout for future changes 
Create a dedicated MPU directory for standard Arm MPU implementations
in preparation for the Arm v8m MPU. Replace MBED_MPU_ENABLED with
DEVICE_MPU to align with the porting layer of other HAL APIs.
 2018-11-27 09:29:31 +00:00
Russ Butler 0f5b9eaf94 Add an initial MPU API 
Add a minimalistic HAL MPU API with the ability to prevent execution
in ram.
 2018-11-27 09:29:31 +00:00