DIRECTORYRope,Route,SC,SCPrivate,SCRowUtil,TerminalIO;SCSetUpLayoutImpl: CEDAR PROGRAMIMPORTS SCRowUtilEXPORTS SCPrivateSHARES SC =BEGINSetUpLayout: PUBLIC PROCEDURE[handle: SC.Handle] RETURNS [canContinue: BOOL _ TRUE] = BEGINGetRopeProp: PROCEDURE[key: Rope.ROPE, default: Rope.ROPE _ NIL]RETURNS [val: Rope.ROPE] = {RETURN[default]};GetRopeListProp: PROCEDURE[key: Rope.ROPE, default: LIST OF Rope.ROPE _ NIL]RETURNS [val: LIST OF Rope.ROPE] = {RETURN[default]};GetIntProp: PROCEDURE[key: Rope.ROPE, default: INT _ 0] RETURNS [val: INT] = {RETURN[default]};GetBoolProp: PROCEDURE[key: Rope.ROPE, default: BOOL _ FALSE]RETURNS [val: BOOL] = {RETURN[default]};GetFomProp: PROCEDURE[key: Rope.ROPE, default: SCPrivate.FomType]RETURNS [val: SCPrivate.FomType] = {RETURN[default]};ProcClocks: PROCEDURE [descName: Rope.ROPE, lRSide: SCPrivate.LRSide]RETURNS [acSide: SCPrivate.AcBusSides] =BEGINclockSignalNames: LIST OF Rope.ROPE _ GetRopeListProp[descName];acSide _ NEW[SCPrivate.AcBusSidesRec];FOR nameList: LIST OF Rope.ROPE _ clockSignalNames, nameList.rest WHILE nameList # NIL DOacSide.count _ acSide.count + 1ENDLOOP;IF acSide.count > 0 THEN {index: NAT _ 0;acSide.sigs _ NEW[SCPrivate.AcBusSigsRec[acSide.count]];FOR nameList: LIST OF Rope.ROPE _ clockSignalNames, nameList.rest WHILE nameList # NIL DOacSide.sigs[index].name _ nameList.first;acSide.sigs[index].onSide _ lRSide;index _ index + 1;ENDLOOP};END;ProcPower: PROCEDURE [descName: Rope.ROPE, lRSide: SCPrivate.LRSide]RETURNS [powerSide: SCPrivate.PowerBus] =BEGINpowerSide _ NEW[SCPrivate.PowerBusRec];powerSide.name _ descName;powerSide.onSide _ lRSide;END;layoutData: SCPrivate.LayoutData _ NARROW[NEW[SCPrivate.LayoutDataRec], SCPrivate.LayoutData];layoutParms: SCPrivate.LayoutParms _ NEW[SCPrivate.LayoutParmsRec];sideRules: Route.DesignRules _ handle.rules.sideRules;rowRules: Route.DesignRules _ handle.rules.rowRules;bottomRow: SCPrivate.BpRow _ NEW[SCPrivate.BpRowRec];rightRow: SCPrivate.BpRow _ NEW[SCPrivate.BpRowRec];topRow: SCPrivate.BpRow _ NEW[SCPrivate.BpRowRec];leftRow: SCPrivate.BpRow _ NEW[SCPrivate.BpRowRec];layoutData.bpRows _ NEW[SCPrivate.BpRowsRec];layoutData.lgRows _ NEW[SCPrivate.LgRowsRec];layoutData.sideChans[left] _ NEW[SCPrivate.SideChanRec];layoutData.sideChans[right] _ NEW[SCPrivate.SideChanRec];layoutData.rowChans _ NEW[SCPrivate.RowChansRec];layoutData.layoutParms _ layoutParms;handle.layoutData _ layoutData;layoutParms.whichFom _ GetFomProp["FomType", wlFom];layoutParms.useMaxRouteExits _ GetBoolProp["UseMaxRouteExits", TRUE];layoutParms.useInteriorChanExits _ GetBoolProp["UseInteriorChanExits", TRUE];layoutParms.numRows _ GetIntProp["NumRows", 0];layoutParms.rowDirection _ handle.rules.rowRules.trunkDirection;layoutData.powerBuses[left] _ ProcPower[GetRopeProp["LeftPowerName", "Vdd"], left];layoutData.powerBuses[right] _ ProcPower[GetRopeProp["RightPowerName", "Gnd"], right];layoutData.acBuses[left] _ ProcClocks["LeftClocks", left];layoutData.acBuses[right] _ ProcClocks["RightClocks", right];FOR chan: SCPrivate.MaxChanSr IN SCPrivate.MaxChanSr DO channel: SCPrivate.RowChan _ NEW[SCPrivate.RowChanRec];channel.exits _ NEW[SCPrivate.ExitArrayOb _ ALL []]; channel.chanNum _ chan;layoutData.rowChans.chans[chan] _ channel;IF SCRowUtil.FindRouteType[chan] = minRoute THEN{channel.initChanWidth _ rowRules.trunkToTrunk*15;channel.routeType _ minRoute}ELSE{channel.initChanWidth _ rowRules.trunkToTrunk*30;channel.routeType _ maxRoute}ENDLOOP;FOR side: SCPrivate.LRSide IN SCPrivate.LRSide DO channel: SCPrivate.SideChan _ NEW[SCPrivate.SideChanRec];channel.side _ side;layoutData.sideChans[side] _ channel;channel.initSideChanWidth _ sideRules.trunkToTrunk*10;ENDLOOP;FOR row: NAT IN SCPrivate.MaxRowSr DO layoutData.lgRows.rows[row] _ NEW[SCPrivate.LgRowRec];layoutData.lgRows.rows[row].rowNum _ row;ENDLOOP;layoutData.bpRows[bottom] _ bottomRow;bottomRow.bpSpacing _ GetIntProp["BottomBPSpacing", rowRules.branchToBranch];bottomRow.initMaxBpsOnSide _ GetIntProp["BottomMaxBPs", 0];bottomRow.routeSideChans _ GetBoolProp["BottomChanRoute", FALSE];layoutData.bpRows[right] _ rightRow;rightRow.bpSpacing _ GetIntProp["RightBPSpacing", sideRules.trunkToTrunk];rightRow.initMaxBpsOnSide _ GetIntProp["RightMaxBPs", 0];rightRow.routeSideChans _ GetBoolProp["RightChanRoute", FALSE];layoutData.bpRows[top] _ topRow;topRow.bpSpacing _ GetIntProp["TopBPSpacing", rowRules.branchToBranch];topRow.initMaxBpsOnSide _ GetIntProp["TopMaxBPs", 0];topRow.routeSideChans _ GetBoolProp["TopChanRoute", FALSE];layoutData.bpRows[left] _ leftRow;leftRow.bpSpacing _ GetIntProp["LeftBPSpacing", sideRules.trunkToTrunk];leftRow.initMaxBpsOnSide _ GetIntProp["LeftMaxBPs", 0];leftRow.routeSideChans _ GetBoolProp["LeftChanRoute", FALSE];RETURN[canContinue];END;END.   ò  file: ///stdcell/SCSetUpLayoutImpl.mesa-- Copyright (C) 1984, 1985 by Xerox Corporation.  All rights reserved.last modified by Preas, September 4, 1985 5:57:58 pm PDTFrank Bowers February 6, 1986 9:55:23 am PSTthe high level Sloop initialization:get signals to route without feedthrusget Power signalsget fom typeget whether to use only maxRoute channels for exitsget number of rows-- do the power buses-- do the ac busesinitialize the channel widths side dataio and row data Ê³  ˜ Jšœ'™'JšÏcœ,™Gšœ8™8Icode™,—J˜ Jšœ$™$J˜ šÏk	˜	Jšœ˜J˜Jšžœ˜J˜
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