[libre-riscv-dev] pipeline sync issues

[Jacob Lifshay]

hope it works out well!

On Wed, Apr 10, 2019 at 7:59 PM Luke Kenneth Casson Leighton <lkcl at lkcl.net>
wrote:

> hiya jacob,
>
> ok so i am starting to understand why you went with the "visitor"
> function, as to support the deployment of SyncFIFO as a building-block
> it will be necessary to have a data-scruncher and unscruncher, which
> means being able to support the free-form
> list-plus-objects-plus-records-etc of the 'eq()' function to perform
> *other* tasks... such as... ooo... scrunching data down into flat
> linear *single signal* formats, and unpacking them again afterwards.


> that is basically what ArrayProxy, Cat, and eq assignment are all
> supposed to be for, as part of nmigen.
>
> in effect what all of that means is the *duplication* of code that
> *already* exists in nmigen, but that does not have the exact and
> precise capability that we need.
>
> last week i spoke to whitequark on irc about the possibility of
> extending Record to support object-style dynamic alterations and
> assignments: effectively adding __getattr__ and __setattr__ as a
> transparent means and method of *dynamically* altering (adding to)
> Record's field dictionary.
>
> so you were along the right lines with the idea of using Record...
> except it's an *augmented* version of Record that we need.
>
> i'm going to try some code-morphs to get vaguely in the right direction,
> ok?
>
> l.
>
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