Hi,

Here are some pre-built milkymist-ng images that have the MMU:
http://milkymist.org/mng_mmu-20130224.tar.bz2

I have not tested the MMU functionality, only that the system meets timing and still boots (without using the MMU).

I noticed two problems:
* synthesis fails with CFG_MMU_ENABLED and without CFG_DEBUG_ENABLED (and CFG_WATCHPOINTS + CFG_BREAKPOINTS).
* the CFG2 CSR is missing from the modified Binutils

The good news is that the resource utilization only increases by 3% of both the SLX45's slices and RAMB16BWERs.

Sébastien
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