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Various preprocessing fixes for Versal routing #1115

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merged 16 commits into from
Nov 23, 2024
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eddieh-xlnx
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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.

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]>
}
} else {
if (possibleRouteThru.isRoutethru()) {
String routeThru = possibleRouteThru.getPinMappingsP2L().keySet().iterator().next();
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FYI - In 2024.2 there will be a convenient API to replace this.

src/com/xilinx/rapidwright/design/DesignTools.java Outdated Show resolved Hide resolved
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Changes here will be tested in a future PR which depends on #1102 and 2024.2.0.

@eddieh-xlnx eddieh-xlnx merged commit d75c404 into master Nov 23, 2024
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@eddieh-xlnx eddieh-xlnx deleted the preprocess_versal branch November 23, 2024 02:19
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2 participants