[libre-riscv-dev] [Bug 318] fix LDSTCompUnit

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=318

--- Comment #22 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
cesar, hi,

i've managed to get L0CacheBuffer semi-operational: it won't cope
with mis-aligned LD/ST.  the boundary (memory granularity) is 64-bit,
and if you try to read 8 bytes that are starting 32-bits in, that'll
fail.

but... that's not the issue that needs looking at (because it's to
be sorted for when we have the DualPortSplitter).

the issue that needs looking at is to confirm that compldst_multi.py's
unit tests are properly functional: i'm just not confident that they
are.

can you take a look when you have a moment?  it may just be the case
that TstL0CacheBuffer needs to be initialised with the right parameters,
to give it a 64-bit width rather than the current (old) values of only
a 16-bit underlying memory.

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