[libre-riscv-dev] daily kan-ban update 15may2020

[libre-riscv-dev] daily kan-ban update 15may2020

[Luke Kenneth Casson Leighton]

yesterday, again, tried fixing the FSM for LD/ST Comp Unit.  several
hours and i was able to get ST to work but not LD.  or LD but not
update-mode.

this is getting very irritating and i need help with it: i am not
suited to doing complex time-dependent FSMs.

by contrast helping michael with the ALUs we made great progress, i
added popcount (tested), and parity (untested).

this morning, i am (still) on a call with MarketNext, and also
reviewed tobias's countzero conversion.  i will spend more time on the
LD/ST Comp Unit FSM later.

l.

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Re: [libre-riscv-dev] daily kan-ban update 15may2020

[Cole Poirier]

Yesterday, I finished the script that automates the installation from
source of the necessary yosys tools. Today I started learning nmigen, on
a bug report called 'bperm TODO' at luke's direction. As of the moment I
have written something that I think resembles proper nmigen code,
however I am running into an error that I am struggling to make sense
of, which I have reported on the bug report I filed
(https://bugs.libre-soc.org/show_bug.cgi?id=316), and have asked there
for help while I continue to try debugging this myself.

Cole

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