[Libre-soc-bugs] [Bug 604] ISACaller simulator needs RADIX MMU support

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=604

--- Comment #35 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
i did a lot of code-cleanup yesterday, including fixing a number of
code-fragments that had been altered from their original extraction from
microwatt.

tobias it is critical to keep EXACTLY to microwatt until such time as we have
deeply comprehensive unit tests in place.

only then is it safe to perform code-morphs such as removing mbits from
segment_check.

i also found several pieces of code that were duplicates of functions that had
already been written, but inserted inline.

the functions were correct but the inline duplicates had completely wrong
offsets as part of the conversion from MSB0 to LSB0-python.

despite that it is actually functional and the next step is to pile on the unit
tests .

i will track down the microwatt mmu tests, they will be necessary.

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