[libre-riscv-dev] [Bug 64] data handling / io control / data routing API needed

bugzilla-daemon at libre-riscv.org bugzilla-daemon at libre-riscv.org
Tue Apr 30 20:51:51 BST 2019


--- Comment #48 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---

Found it in the commit history, the point where I made Queue look exactly like
a ControlBase as far as the que and deq ports are concerned and literally
connected them back to back just like any other object conforming to the
ControlBase API.

All it took: faking up PrevControl and NextControl with some name-changing

NO logic involved AT ALL.

And If you look at Queue you will see that there is literally variable
assignments where not even the names from the original port that you did have
been changed.

Again, zero change to the log4ic.

Does this help make it clear all that these objects are all literally the same

It really should not be a surprise because ready/valid is such a fundamental
part of computer science / digital data handling. Want to write data, you need
to say "i want to write data", and you need an acknowledgment back.

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