Ville Juven 6cb77a8d84 mpfs: Allow mapping of RAM/ROM regions from different memory areas
The old implementation needed a contiguous memory block for user
ROM/RAM. This is because there was only 1 L3 page table which can only
map a contiguous memory area.

Also, remove the PMP configuration which just complicates things,
rely on the MMU mappings instead.
2022-06-20 21:24:18 +08:00
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