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Various preprocessing fixes for Versal routing #1112

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@eddieh-xlnx eddieh-xlnx commented Nov 21, 2024

A number of changes necessary to infer missing SitePinInsts on fully unrouted Versal designs so that they may be routed.

Also move the Versal-only CTRL sink RWRoute heuristic introduced in #1093's determineRoutingTargets() to initializeRouting() (after static routing has completed) in order to not prevent that router from completing.

Built on top of #1102

eddieh-xlnx and others added 30 commits November 20, 2024 11:35
initializeRouting(), which is after route{GlobalClock,Static}Nets()

Signed-off-by: Eddie Hung <[email protected]>
Emit warning if not enabled

Signed-off-by: Eddie Hung <[email protected]>
Signed-off-by: Eddie Hung <[email protected]>
Signed-off-by: Chris Lavin <[email protected]>
* Fix some tests, refactor for new APIs

Signed-off-by: Chris Lavin <[email protected]>

* Updates based on review feedback

Signed-off-by: Chris Lavin <[email protected]>

---------

Signed-off-by: Chris Lavin <[email protected]>
)

* [TestNet] Improve testSetPinsMultiSrcStatic to track many sources

Signed-off-by: Eddie Hung <[email protected]>

* Add/improve test

Signed-off-by: Eddie Hung <[email protected]>

* Improve test

Signed-off-by: Eddie Hung <[email protected]>

---------

Signed-off-by: Eddie Hung <[email protected]>
Conflicts:
	src/com/xilinx/rapidwright/design/DesignTools.java
Signed-off-by: Eddie Hung <[email protected]>
Signed-off-by: Eddie Hung <[email protected]>

Conflicts:
	src/com/xilinx/rapidwright/device/IntentCode.java
initializeRouting(), which is after route{GlobalClock,Static}Nets()

Signed-off-by: Eddie Hung <[email protected]>
Emit warning if not enabled

Signed-off-by: Eddie Hung <[email protected]>
Signed-off-by: Eddie Hung <[email protected]>
Signed-off-by: Eddie Hung <[email protected]>
Signed-off-by: Eddie Hung <[email protected]>
Conflicts:
	src/com/xilinx/rapidwright/design/DesignTools.java
Conflicts:
	src/com/xilinx/rapidwright/design/DesignTools.java
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Superseded by #1115

@eddieh-xlnx eddieh-xlnx deleted the test_rwroute_versal branch November 27, 2024 02:11
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