3a6a23d157
Due to the xtensa mpu feature, the size of the Region depends on the Base of the next Region. e.g. Region[1] = 0x20000000 Region[0] = 0x30000000 Then Region[1] length = Region[0] - Region[1] So this approach is not suitable to implement the behavior of cleaning up the Region and such a configuration will result in affecting the very beginning (the higher) Region Therefore, to address this feature, in this change we return the Region value and implement the ability to modify the target Region's attributes Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
Apache NuttX is a real-time operating system (RTOS) with an emphasis on standards compliance and small footprint. Scalable from 8-bit to 64-bit microcontroller environments, the primary governing standards in NuttX are POSIX and ANSI standards. Additional standard APIs from Unix and other common RTOSs (such as VxWorks) are adopted for functionality not available under these standards, or for functionality that is not appropriate for deeply-embedded environments (such as fork()).
For brevity, many parts of the documentation will refer to Apache NuttX as simply NuttX.
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