Add event management primitives #12
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@@ Coverage Diff @@
## master #12 +/- ##
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+ Coverage 99.63% 100.00% +0.36%
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Files 4 5 +1
Lines 552 630 +78
Branches 127 140 +13
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+ Hits 550 630 +80
+ Misses 1 0 -1
+ Partials 1 0 -1
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jfng
changed the title
| ], name=name, src_loc_at=1 + src_loc_at) | ||
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| # FIXME: get rid of this | ||
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This uses the same workaround as csr.Element, because EventMap stores event sources as keys of a dict.
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I like the naming change a lot! I'll try to review this tomorrow. |
nmigen_soc/event.py
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| event_map : :class:`EventMap` | ||
| Event map. | ||
| enable : Signal(event_map.size), one-hot, in |
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Are all of these actually one-hot? Not bit masks?
I updated the Monitor to do so. As a consequence, EventMaps are now (optionally) assigned to Sources in order to support iterating over a hierarchy of events. |
Follow-up of #11, about decoupling event management from peripherals.
Events (represented by the
EventSourceclass) can be gathered in anInterruptSourcein order to generate interrupt requests. The interrupt source exposes an IRQ line, and is controlled by three CSRs:status,pendingandenable.