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#ifndef lint
static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-7.5/resis/ResJunct.c,v 1.1.1.1 2006/04/10 22:03:14 tim Exp $";
#endif /* not lint */
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include "utils/magic.h"
#include "utils/geometry.h"
#include "utils/geofast.h"
#include "tiles/tile.h"
#include "utils/hash.h"
#include "database/database.h"
#include "database/databaseInt.h"
#include "utils/malloc.h"
#include "textio/textio.h"
#include "extract/extract.h"
#include "extract/extractInt.h"
#include "windows/windows.h"
#include "dbwind/dbwind.h"
#include "utils/stack.h"
#include "utils/tech.h"
#include "textio/txcommands.h"
#include "resis/resis.h"
/*
*-------------------------------------------------------------------------
*
* ResNewSDTransistor-- called when a transistor is reached via a piece of
* diffusion. (Transistors reached via poly, i.e.
* gates, are handled by ResEachTile.)
*
* Results:none
*
* Side Effects: determines to which terminal (source or drain) node
* is connected. Makes new node if node hasn't already been created .
* Allocates breakpoint in current tile for transistor.
*
*-------------------------------------------------------------------------
*/
void
ResNewSDTransistor(tile,tp,xj,yj,direction,PendingList)
Tile *tile,*tp;
int xj,yj,direction;
resNode **PendingList;
{
resNode *resptr;
resTransistor *resFet;
tElement *tcell;
int newnode;
tileJunk *j;
newnode = FALSE;
j = (tileJunk *) tp->ti_client;
resFet = j->transistorList;
if ((j->sourceEdge & direction) != 0)
{
if (resFet->rt_source == (resNode *) NULL)
{
resptr = (resNode *) mallocMagic((unsigned)(sizeof(resNode)));
newnode = TRUE;
resFet->rt_source = resptr;
}
else
{
resptr = resFet->rt_source;
}
}
else
{
if (resFet->rt_drain == (resNode *) NULL)
{
resptr = (resNode *) mallocMagic((unsigned)(sizeof(resNode)));
newnode = TRUE;
resFet->rt_drain = resptr;
}
else
{
resptr = resFet->rt_drain;
}
}
if (newnode)
{
tcell = (tElement *) mallocMagic((unsigned)(sizeof(tElement)));
tcell->te_nextt = NULL;
tcell->te_thist = j->transistorList;
InitializeNode(resptr,xj,yj,RES_NODE_TRANSISTOR);
resptr->rn_te = tcell;
ResAddToQueue(resptr,PendingList);
}
NEWBREAK(resptr,tile,xj,yj,NULL);
}
/*
*-------------------------------------------------------------------------
*
* ResProcessJunction-- Called whenever a tile connecting to the tile being
* worked on is found. If a junction is already present, its address is
* returned. Otherwise, a new junction is made.
*
* Results: None.
*
* Side Effects: Junctions may be created.
*
*-------------------------------------------------------------------------
*/
void
ResProcessJunction(tile, tp, xj, yj, NodeList)
Tile *tile, *tp;
int xj,yj;
resNode **NodeList;
{
ResJunction *junction;
resNode *resptr;
jElement *jcell;
tileJunk *j0 = (tileJunk *)tile->ti_client;
tileJunk *j2 = (tileJunk *)tp->ti_client;
#ifdef PARANOID
if (tile == tp)
{
TxError("Junction being made between tile and itself \n");
return;
}
#endif
if (j2->tj_status & RES_TILE_DONE) return;
resptr = (resNode *) mallocMagic((unsigned)(sizeof(resNode)));
resptr->rn_te = (tElement *) NULL;
junction = (ResJunction *) mallocMagic((unsigned)(sizeof(ResJunction)));
jcell = (jElement *) mallocMagic((unsigned)(sizeof(jElement)));
InitializeNode(resptr,xj,yj,RES_NODE_JUNCTION);
resptr->rn_je = jcell;
ResAddToQueue(resptr,NodeList);
jcell->je_thisj = junction;
jcell->je_nextj = NULL;
junction->rj_status = FALSE;
junction->rj_jnode = resptr;
junction->rj_Tile[0] = tile;
junction->rj_Tile[1] = tp;
junction->rj_loc.p_x =xj;
junction->rj_loc.p_y =yj;
junction->rj_nextjunction[0] = j0->junctionList;
j0->junctionList = junction;
junction->rj_nextjunction[1] = j2->junctionList;
j2->junctionList = junction;
NEWBREAK(junction->rj_jnode,tile,
junction->rj_loc.p_x,junction->rj_loc.p_y,NULL);
NEWBREAK(junction->rj_jnode,tp,
junction->rj_loc.p_x,junction->rj_loc.p_y,NULL);
}
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