104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
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/*
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* garouter.h --
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*
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* Header file for the gate-array router.
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*
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* *********************************************************************
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* * Copyright (C) 1985, 1990 Regents of the University of California. *
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* * Permission to use, copy, modify, and distribute this *
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* * software and its documentation for any purpose and without *
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* * fee is hereby granted, provided that the above copyright *
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* * notice appear in all copies. The University of California *
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* * makes no representations about the suitability of this *
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* * software for any purpose. It is provided "as is" without *
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* * express or implied warranty. Export of this software outside *
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* * of the United States of America may require an export license. *
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* *********************************************************************
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*
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* rcsid $Header: /usr/cvsroot/magic-8.0/garouter/garouter.h,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $
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*/
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#ifndef _GAROUTER_H
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#define _GAROUTER_H
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#include "grouter/grouter.h"
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/*
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* The following structure describes "simple stems" -- routes
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* from a terminal to a grid point that are of a very simple
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* style, involving a straight-across wire and at most one
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* contact at either end.
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*/
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typedef struct
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{
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TileType sw_type; /* Type of wire */
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Rect sw_long; /* Wire all the way to dest */
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Rect sw_short; /* Wire only to pin contact */
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Rect sw_pinStub; /* Wire from pin contact to pin */
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bool sw_longOK; /* Space exists for long wire */
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bool sw_shortOK; /* Space exists for short wire (implied
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* if sw_longOK is TRUE).
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*/
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} SimpleWire;
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typedef struct
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{
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/* Terminal */
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TileType ss_termType;
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Rect ss_termArea;
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TileTypeBitMask ss_termMask; /* If ss_termType is a contact type,
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* this mask contains both metal and
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* poly; otherwise, it contains just
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* ss_termType.
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*/
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/* Pin */
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int ss_dir;
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Point ss_pinPoint;
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/* Information describing the wires to paint */
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SimpleWire ss_metalWire; /* Metal wire */
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SimpleWire ss_polyWire; /* Poly wire */
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/* Contacts */
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Rect ss_cTerm; /* Contact over terminal */
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bool ss_cTermOK; /* Contact over terminal is OK */
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Rect ss_cPin; /* Contact near pin */
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bool ss_cPinOK; /* Contact near pin is OK */
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} SimpleStem;
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/* List of all active channels */
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extern GCRChannel *gaChannelList;
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/* Def used to hold channel plane */
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extern CellDef *gaChannelDef;
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/* Used during stem generation */
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extern int gaMinAbove;
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extern int gaMaxAbove, gaMaxBelow;
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/* Debugging information */
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extern bool gaInitialized; /* TRUE if registered with debug module */
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extern ClientData gaDebugID; /* Our identity with the debugging module */
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#include "gaDebug.h" /* Can add flags without total recompile */
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/* Internal procedures */
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extern GCRChannel *gaStemContainingChannel();
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extern GCRPin *gaStemCheckPin();
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extern int gaAlwaysOne();
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extern bool gaMazeRoute();
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/* Exported procedures */
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extern int GARoute();
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extern void GAChannelInitOnce();
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extern void GAClearChannels();
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extern bool GADefineChannel();
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extern bool GAMazeInitParms();
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/* Exported variables */
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extern bool GAStemWarn;
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#endif /* _GAROUTER_H */
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