This is a linux module for a char device dmm, which means domain memory manager. It should be noted that it is only tested on Raspberry Pi 2 Model B, Cortex-A7, Linux Kernel version 4.1.15.
Also, DACR is deprecated in ARMv8. Interested user can find Here an alternarive approach of in-process memory isolation based on intel memory protection key (MPK).
Our paper can be found in the Shred - IEEES&P 2016.
@inproceedings{chen2016shreds,
title={Shreds: Fine-grained execution units with private memory},
author={Chen, Yaohui and Reymondjohnson, Sebassujeen and Sun, Zhichuang and Lu, Long},
booktitle={2016 IEEE Symposium on Security and Privacy (SP)},
pages={56--71},
year={2016},
organization={IEEE}
}
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