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Fix max_decode_depth to control decoder hierarchy and port generation (#18)

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* Initial plan

* Fix max_decode_depth to properly control decoder hierarchy and port generation

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

* Fix test that relied on old depth behavior

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

* Update documentation for max_decode_depth parameter

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

* fix format

* Add variable_depth RDL file and smoke tests for max_decode_depth parameter

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

* Add variable depth tests for APB3 and AXI4-Lite CPUIFs

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

* fix

* fix

* bump

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>
This commit is contained in:
Copilot
2025-10-28 23:38:54 -07:00
committed by GitHub
parent 858a7870ad
commit d7481e71ba
22 changed files with 1518 additions and 26 deletions
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11
src/peakrdl_busdecoder/cpuif/fanin_gen.py
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@@ -27,6 +27,17 @@ class FaninGenerator(BusDecoderListener):
def enter_AddressableComponent(self, node: AddressableNode) -> WalkerAction | None:
action = super().enter_AddressableComponent(node)
should_generate = action == WalkerAction.SkipDescendants
if not should_generate and self._ds.max_decode_depth == 0:
for child in node.children():
if isinstance(child, AddressableNode):
break
else:
should_generate = True
if not should_generate:
return action
if node.array_dimensions:
for i, dim in enumerate(node.array_dimensions):
fb = ForLoopBody(