[Libre-soc-bugs] [Bug 781] create wrapper register files around 1R-or-1W SRAMs

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Tue May 3 11:56:10 BST 2022


https://bugs.libre-soc.org/show_bug.cgi?id=781

--- Comment #13 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
hmmm intriguing.

no, as best i understand it, all regfiles are supposed to initialise to zeros.
MSR and PC are different.

i mean... we *could* leave the regfiles in an unknown state, because
coldboot is supposed to not assume contents are zero.

doesn't feel safe though.

yes, having a general-purpose wrapper that can perform initialisation would
be good, and reporting back a Signal that says "initialisation completed".

can you raise that as a separate bugreport?

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