Context Navigation

← Previous Revision
Latest Revision
Next Revision →
Blame
Revision Log

vl_write_util.c @ 35

Last change on this file since 35 was 18, checked in by cecile, 13 years ago
vl2mv added
File size: 98.5 KB

Line
1	/*
2
3	Copyright (c) 1992, 1993
4	Regents of the University of California
5	All rights reserved.
6
7	Use and copying of this software and preparation of derivative works
8	based upon this software are permitted. However, any distribution of
9	this software or derivative works must include the above copyright
10	notice.
11
12	This software is made available AS IS, and neither the Electronics
13	Research Laboratory or the Universify of California make any
14	warranty about the software, its performance or its conformity to
15	any specification.
16
17	Author: Szu-Tsung Cheng, stcheng@ic.Berkeley.EDU
18	10/92
19	10/93
20
21	$Header: /projects/development/hsv/CVSRepository/vl2mv/src/parser/vl_write_util.c,v 1.3 2009/03/09 20:25:58 fabio Exp $
22
23
24	*/
25
26	#include <stdio.h>
27	#include <math.h>
28	#include "util.h"
29	#include "st.h"
30	#include "array.h"
31	#include "list.h"
32	#include "set.h"
33	#include "graph.h"
34	#include "vl_types.h"
35	#include "vl_defs.h"
36	#include "vlr_int.h"
37	#include "vl_fg_defs.h"
38	#include "vl_fg_types.h"
39	#include "vl_create.h"
40	#include "vl_write.h"
41	#include "vl_write_util.h"
42	#include "vl_vardecl.h"
43	#include "vl_edgedetector.h"
44	#include "vl_traverse.h"
45	#include "vl_mux.h"
46	#include "vl_flowgraph.h"
47	#include "verilog.h"
48
49	extern vl_desc *mod_list;
50	extern int implicitClocking;
51	extern int compatibleChecking;
52	extern int set_notation;
53	extern int debug_mode;
54	extern int decomposeTable;
55	extern int noBus;
56	extern int smartEvent;
57	extern int vlTimedSystem;
58	extern int Zconnection;
59	extern int implicitDeclare;
60
61	extern int WarningLevel;
62
63	extern int rst_ckt, use_rst_ckt, mark_sel_var;
64	extern lsList ctrl_list, rst_ctrl_list;
65	extern st_table *sensitiveList;
66	extern int lhs_hi, lhs_lo;
67	extern int lhs_must_be_wire;
68	extern int Vlerrno;
69	extern int silent_err;
70	extern char *cntxt_event;
71
72	int deadlock_semantic = 0;
73	int arrayBoundNond=0;
74	int vis_nond=1;
75	int vis_nond_var=0;
76	int instantiateInputLatch = 0;
77
78	static char *nond_output();
79	static int isTautology ARGS((lsList syndrome_expr_list));
80	static void postprocess_vlr_rel ARGS((FILE file, short type, char carry,
81	vl_term results, vl_term out));
82	static int evaluable_expr ARGS((vl_expr *expr));
83	static void vl_write_bin_equal_const(FILE file, vl_expr val, vl_term term, vl_term out);
84
85	void vl_mv_to_bin(vl_term *term)
86	{
87	if (term->flag & MVar) {
88	char buf[MAXSTRLEN];
89	sprintf(buf, "enforced mv->binary encoding on '%s'", term->name->name);
90	Translate_Warning(buf);
91
92	term->flag &= !MVar;
93	if (term->hi < 0) {
94	term->hi = MAXBITNUM-1;
95	term->lo = 0;
96	} else {
97	int range, blen;
98
99	for (range = term->hi - term->lo + 1, blen = -1;
100	range>0; range >>= 1)
101	blen++;
102	if (blen>0)
103	if ((1<<(blen-1)) < term->hi-term->lo+1)
104	blen++;
105	term->lo = 0;
106	term->hi = blen-1;
107	}
108	}
109	}
110
111
112
113	void vl_bin_to_mv(vl_term *term)
114	{
115	int blen;
116
117	if (!(term->flag & MVar)) {
118	Translate_Warning("enforced binary->mv encoding");
119
120	term->flag \|= MVar;
121	blen = term->hi-term->lo+1;
122	term->lo = 1;
123	term->hi = (1 << (blen));
124	}
125	}
126
127
128	void vl_write_mv_comp(FILE file, short type, vl_term in1, vl_term in2, vl_term out)
129	{
130	lsList domain;
131	lsGen igen, jgen;
132	lsHandle ihandle, jhandle;
133	vl_enumerator i, j;
134
135	if (in1->hi-in1->lo != in2->hi-in2->lo)
136	Translate_Warning("comparator have MV's of different domain elts");
137
138	fprintf(file, ".names %s %s %s\n",
139	in1->name->name, in2->name->name, out->name->name);
140	if (set_notation) {
141	if (in1->term_type != in2->term_type) {
142	char buf[MAXSTRLEN];
143	sprintf(buf, "'%s':comparing %s and %s of different domains",
144	vl_currentModule->name->name,
145	in1->name->name, in2->name->name);
146	semantic_error(buf);
147	}
148
149	fprintf(file, "%s %d\n", HSIS_DEFAULT, type==Bneq2Expr);
150	fprintf(file, "- %s%s %d\n",
151	HSIS_EQUAL, in1->name->name, type!=Bneq2Expr);
152
153	} else {
154	switch (type) {
155	case Beq2Expr:
156
157	if (in1->term_type != in2->term_type) {
158	char buf[MAXSTRLEN];
159	sprintf(buf, "'%s':comparing %s and %s of different domains",
160	vl_currentModule->name->name,
161	in1->name->name, in2->name->name);
162	semantic_error(buf);
163	}
164
165	domain = in1->term_type->specifier->u.enum_type->domain_list;
166	for (igen=lsStart(domain);
167	lsNext(igen,(lsGeneric*)&i,&ihandle)!=LS_NOMORE;) {
168	for (jgen=lsStart(domain);
169	lsNext(jgen,(lsGeneric*)&j,&jhandle)!=LS_NOMORE;) {
170	fprintf(file, "%s %s %d\n",
171	i->name, j->name, (strcmp(i->name, j->name)==0));
172	}
173	lsFinish(jgen);
174	}
175	lsFinish(igen);
176	break;
177	case Bneq2Expr:
178
179	if (in1->term_type != in2->term_type) {
180	char buf[MAXSTRLEN];
181	sprintf(buf, "'%s':comparing %s and %s of different domains",
182	vl_currentModule->name->name,
183	in1->name->name, in2->name->name);
184	semantic_error(buf);
185	}
186
187	domain = in1->term_type->specifier->u.enum_type->domain_list;
188	for (igen=lsStart(domain);
189	lsNext(igen,(lsGeneric*)&i,&ihandle)!=LS_NOMORE;) {
190	for (jgen=lsStart(domain);
191	lsNext(jgen,(lsGeneric*)&j,&jhandle)!=LS_NOMORE;) {
192	fprintf(file, "%s %s %d\n",
193	i->name, j->name, (strcmp(i->name, j->name)!=0));
194	}
195	lsFinish(jgen);
196	}
197	lsFinish(igen);
198	break;
199	}
200	}
201	}
202
203
204	void vl_write_bin_comp(FILE file, short type, vl_term in1, vl_term in2, vl_term out)
205	{
206	vl_term tmp, ripple_term;
207	char *ripple;
208
209	tmp = new_term(NIL(vl_range), 0, -1);
210
211	if (in1->lo > in1->hi) {
212	tmp->lo = in2->lo;
213	tmp->hi = in2->hi;
214	} else if (in2->lo > in2->hi) {
215	tmp->lo = in1->lo;
216	tmp->hi = in1->hi;
217	} else {
218	tmp->lo = 0;
219	tmp->hi = MIN(in1->hi-in1->lo, in2->hi-in2->lo);
220	}
221	write_var_decl(file, tmp);
222	vl_write_vector_bop(file, BxorExpr, in1, in2, tmp);
223
224	ripple = vlStrdup(new_termname());
225	ripple_term = vl_create_term(vl_create_id_range(ripple,NIL(vl_range)),
226	tmp->lo, tmp->hi);
227	if (tmp->lo <= tmp->hi) {
228	ripple =
229	vl_write_vector_bop(file, UorExpr, tmp, NIL(vl_term), ripple_term);
230	vl_write_bit_connect(file, ripple_term->name->name, out->name->name,
231	(type==Beq2Expr));
232	vl_free_term(ripple_term);
233	} else {
234	vl_write_bit_connect(file, tmp->name->name, out->name->name,
235	(type==Beq2Expr));
236	}
237	vl_free_term(tmp);
238	}
239
240
241	static void vl_write_bin_equal_const(
242	FILE *file,
243	vl_expr *val,
244	vl_term *term,
245	vl_term *out
246	)
247	{
248	int lo, hi;
249	int i, v;
250
251	if (term->lo > term->hi) {
252	lo = 0;
253	hi = 0;
254	} else {
255	lo = term->lo;
256	hi = term->hi;
257	}
258
259	/* Write table header and default value. */
260	fprintf(file, ".names");
261	for (i=lo; i<=hi; i++) {
262	fprintf(file, " %s%s%d%s", term->name->name,
263	SEP_LBITSELECT, i, SEP_RBITSELECT);
264	}
265	fprintf(file, " %s\n.def 0\n", out->name->name);
266
267	for (i=lo, v=vl_eval_expr(val); i<=hi; i++, v >>= 1) {
268	fprintf(file, "%d ", (v & 1));
269	}
270	fprintf(file, " 1\n");
271	}
272
273
274	void vl_write_mv_connect(FILE file, vl_term in, vl_term *out)
275	{
276	lsList domain;
277	lsGen enum_gen;
278	lsHandle enum_handle;
279	vl_enumerator *enum_elt;
280
281	if (in->term_type != out->term_type) {
282	char buf[MAXSTRLEN];
283	sprintf(buf, "connecting %s and %s of different domains",
284	out->name->name, in->name->name);
285	semantic_error(buf);
286	}
287
288	fprintf(file, ".names %s %s\n", in->name->name, out->name->name);
289
290	if (set_notation) {
291	fprintf(file, "- =%s\n", in->name->name);
292	} else {
293	domain = in->term_type->specifier->u.enum_type->domain_list;
294	for (enum_gen=lsStart(domain);
295	lsNext(enum_gen,(lsGeneric*)&enum_elt,&enum_handle)!=LS_NOMORE;) {
296	fprintf(file, "%s %s\n", enum_elt->name, enum_elt->name);
297	}
298	lsFinish(enum_gen);
299	}
300	}
301
302
303	void vl_write_bin_connect(FILE file, vl_term in, vl_term *out, int inverted)
304	{
305	int i;
306	char out_buf[MAXSTRLEN], in_buf[MAXSTRLEN];
307
308	if (out->lo > out->hi) {
309	if (in->lo > in->hi) {
310	vl_write_bit_connect(file, in->name->name, out->name->name, 0);
311	} else {
312	char buf[MAXSTRLEN];
313
314	sprintf(buf, "%s%s%d%s", in->name->name,
315	SEP_LBITSELECT, in->lo, SEP_RBITSELECT);
316	vl_write_bit_connect(file, buf, out->name->name, 0);
317	}
318	} else {
319	if (in->lo > in->hi) {
320	int i;
321	sprintf(out_buf, "%s%s%d%s", out->name->name,
322	SEP_LBITSELECT, out->lo, SEP_RBITSELECT);
323	sprintf(in_buf, "%s", in->name->name);
324	if (set_notation && !inverted) {
325	fprintf(file, ".names %s %s\n- =%s\n",
326	in_buf, out_buf, in_buf);
327
328	} else {
329	vl_write_bit_connect(file, in_buf, out_buf, inverted);
330	}
331
332	sprintf(in_buf, "%s", WRT_BLIF_GND(file));
333	for (i=out->lo+1; i<=out->hi; i++) {
334	sprintf(out_buf, "%s%s%d%s", out->name->name,
335	SEP_LBITSELECT, i, SEP_RBITSELECT);
336	if (set_notation) {
337	fprintf(file, ".names %s %s\n- =%s\n",
338	in_buf, out_buf, in_buf);
339	} else {
340	vl_write_bit_connect(file, in_buf, out_buf, 0);
341	}
342	}
343	} else {
344	for (i=out->lo; i<=out->hi; i++) {
345	sprintf(out_buf, "%s%s%d%s", out->name->name,
346	SEP_LBITSELECT, i, SEP_RBITSELECT);
347	sprintf(in_buf, "%s%s%d%s", in->name->name,
348	SEP_LBITSELECT, i+in->lo-out->lo,
349	SEP_RBITSELECT);
350	if (set_notation && !inverted) {
351	fprintf(file, ".names %s %s\n- =%s\n",
352	in_buf, out_buf, in_buf);
353	} else {
354	vl_write_bit_connect(file, in_buf, out_buf,
355	inverted);
356	}
357	}
358	}
359	}
360	}
361
362
363	void vl_write_consts(FILE *file)
364	{
365
366
367	file = file;
368	}
369
370
371	void vl_write_const(FILE file, vl_expr val, vl_term *out)
372	{
373	int ismvar=0;
374	int i, v;
375	int lo, hi;
376	int find_elt=0;
377	char buf[MAXSTRLEN];
378	lsList domain;
379	lsGen enum_gen;
380	lsHandle enum_handle;
381	vl_enumerator *enum_elt;
382
383	ismvar = out->flag & MVar;
384
385	if (ismvar) {
386	assert (val);
387
388	fprintf(file, ".names %s\n", out->name->name);
389	switch(val->type) {
390	case BitExpr:
391	Translate_Warning("Using binary constant as value of mv variable");
392	case IntExpr:
393	domain = out->term_type->specifier->u.enum_type->domain_list;
394	for (enum_gen=lsStart(domain);
395	lsNext(enum_gen,
396	(lsGeneric*)&enum_elt,&enum_handle)!=LS_NOMORE;) {
397	find_elt=1;
398	if (enum_elt->val==val->u.intval) break;
399	find_elt=0;
400	}
401	lsFinish(enum_gen);
402
403	if (find_elt)
404	fprintf(file, "%s\n", enum_elt->name);
405	else {
406	char buf[MAXSTRLEN];
407	sprintf(buf, "trying to assign to '%s' out of its domain",
408	out->name->name);
409	semantic_error(buf);
410	}
411	break;
412	case RealExpr:
413	semantic_error("assinging real value to enumeration typed var");
414	break;
415	case IDExpr:
416	if (st_lookup(out->term_type->specifier->u.enum_type->domain_st,
417	val->u.name->name, (char**)&enum_elt)) {
418	fprintf(file, "%s\n", enum_elt->name);
419	} else {
420	char buf[MAXSTRLEN];
421
422	sprintf(buf, "%s should be a constant/symbolic name",
423	val->u.name->name);
424	internal_error(buf);
425	}
426	break;
427	}
428	} else {
429
430	if (out->name->mpg_master_exp && out->hi==-1 && out->lo==0)
431
432	get_hilo(out->name, &hi, &lo);
433	else {
434
435	hi = out->hi;
436	lo = out->lo;
437	}
438	if (val) {
439	if (lo <= hi) {
440	int v0;
441	v0 = val->u.bexpr.part0;
442	for (i=lo, v=vl_eval_expr(val); i<=hi;
443	i++, v >>= 1, v0 >>= 1) {
444	sprintf(buf, "%s%s%d%s", out->name->name,
445	SEP_LBITSELECT, i, SEP_RBITSELECT);
446	fprintf(file, ".names %s\n", buf);
447	if ((v & 1) && (v0 & 1))
448	fprintf(file, "-\n");
449	else
450	fprintf(file, "%d\n", (v & 1));
451	}
452	} else {
453	fprintf(file, ".names %s\n", out->name->name);
454	fprintf(file, "%d\n", vl_eval_expr(val) & 1);
455	}
456	} else {
457	if (lo <= hi) {
458	for (i=lo; i<=hi; i++) {
459	sprintf(buf, "%s%s%d%s", out->name->name,
460	SEP_LBITSELECT, i, SEP_RBITSELECT);
461	fprintf(file, ".names %s\n", buf);
462	fprintf(file, "0\n1\n");
463	}
464	} else {
465	fprintf(file, ".names %s\n", out->name->name);
466	fprintf(file, "0\n1\n");
467	}
468	}
469	}
470	}
471
472
473
474	void write_int_connect(FILE file, int v, vl_term out)
475	{
476	int lo, hi, i;
477	char buf[MAXSTRLEN];
478	lsList args;
479
480	lo = out->lo; hi = out->hi;
481	if (hi < lo) {
482	fprintf(file, ".names %s\n", out->name->name);
483	fprintf(file, "%d\n", (v&1));
484	} else {
485	args = lsCreate();
486	sprintf(buf, "%d", out->hi-out->lo+1);
487	lsNewEnd(args, (lsGeneric)vlStrdup(buf), 0);
488	sprintf(buf, "%d", v);
489	lsNewEnd(args, (lsGeneric)vlStrdup(buf), 0);
490
491	for (i=lo; i<=hi; i++, v >>= 1) {
492	sprintf(buf, "%s%s%d%s", out->name->name,
493	SEP_LBITSELECT, i, SEP_RBITSELECT);
494	fprintf(file, ".names %s\n", buf);
495	fprintf(file, "%d\n", (v & 1));
496	}
497
498	lsDestroy(args, vl_chk_free);
499	}
500	}
501
502
503
504	vl_term write_local_control(FILE file, vl_term *ctrl, lsList sub_ctrls, int inverted)
505	{
506	int i, j;
507	vl_term *retval;
508	lsGen gen;
509	lsHandle handle;
510	vl_term *sub_ctrl;
511	int unconditional_assign = 0;
512
513
514
515
516	if (!sub_ctrls)
517	unconditional_assign = 1;
518	else if (lsLength(sub_ctrls)==0)
519	unconditional_assign = 1;
520
521	if (unconditional_assign) {
522	retval = new_term(NIL(vl_range), 0, -1);
523	vl_write_bit_connect(file, ctrl->name->name, retval->name->name,
524	inverted);
525	return retval;
526	}
527
528	retval = new_term(NIL(vl_range), 0, -1);
529
530	fprintf(file, ".names %s ", ctrl->name->name);
531	gen = lsStart(sub_ctrls);
532	if (lsNext(gen, (lsGeneric*)&sub_ctrl, &handle) == LS_OK) {
533	fprintf(file, "%s ", ((vl_term*)(((int)sub_ctrl)&~1))->name->name);
534	while (lsNext(gen, (lsGeneric*)&sub_ctrl, &handle) != LS_NOMORE) {
535	fprintf(file, "%s ", ((vl_term*)(((int)sub_ctrl)&~1))->name->name);
536	}
537	}
538	lsFinish(gen);
539	fprintf(file, "%s\n", retval->name->name);
540
541	for (i=0; i<lsLength(sub_ctrls); i++) {
542	fprintf(file, "%c ", (inverted)?'0':'1');
543	for (j=0; j<lsLength(sub_ctrls); j++) {
544	fprintf(file, "%c ", (i==j)?'1':'-');
545	}
546	fprintf(file, "1\n");
547	}
548
549	fprintf(file, "%c ", (inverted)?'0':'1');
550	gen = lsStart(sub_ctrls);
551	if (lsNext(gen, (lsGeneric*)&sub_ctrl, &handle) == LS_OK) {
552	fprintf(file, "%c ", ((int)sub_ctrl&1)?'1':'0');
553	while (lsNext(gen, (lsGeneric*)&sub_ctrl, &handle) != LS_NOMORE) {
554	fprintf(file, "%c ", ((int)sub_ctrl&1)?'1':'0');
555	}
556	}
557	lsFinish(gen);
558	fprintf(file, "0\n");
559
560	fprintf(file, "%c ", (inverted)?'1':'0');
561	for (i=0; i<lsLength(sub_ctrls); i++) {
562	fprintf(file, "%c ", '-');
563	}
564	fprintf(file, "0\n");
565
566	return retval;
567	}
568
569
570
571	void write_switch(FILE file, vl_id_range id_sym,
572	vl_term sel, vl_expr sel_expr,
573	vl_term orig, vl_term new, vl_term *out_term)
574	{
575	int lo, hi;
576	int bit_hi, bit_lo;
577	int idx;
578	vl_expr *hi_expr;
579	char new_buf[MAXSTRLEN], orig_buf[MAXSTRLEN], out_buf[MAXSTRLEN];
580
581	get_hilo(id_sym, &bit_hi, &bit_lo);
582
583	lo = vl_eval_expr(out_term->name->range->left);
584	if (out_term->name->range->right)
585	hi = vl_eval_expr(out_term->name->range->right);
586	else
587	hi = lo;
588
589	if (!sel) {
590	int const_hi, const_lo;
591
592	assert(ISVLCONST(sel_expr->type));
593
594	const_hi = min_bit_width(hi)-1;
595	const_lo = 0;
596	sel = new_term(NIL(vl_range), const_lo, const_hi);
597	write_var_decl(file, sel);
598	vl_write_const(file, sel_expr, sel);
599	}
600
601	hi_expr = vl_create_expr(IntExpr, hi, (double)0.0,
602	NIL(void), NIL(void), NIL(void));
603	for (idx=lo; idx<=hi; idx++) {
604	vl_term *ctrl;
605	vl_term new_elt, orig_elt, *out_elt;
606	vl_expr *const_expr;
607	vl_term *const_trm;
608
609	const_expr = vl_create_expr(IntExpr, idx, (double)0.0,
610	NIL(void), NIL(void), NIL(void));
611	const_trm = new_term(NIL(vl_range), 0, data_width(hi_expr)-1);
612	#if 0
613	write_var_decl(file, const_trm);
614	vl_write_const(file, const_expr, const_trm);
615	vl_chk_free((char*)const_expr);
616
617	ctrl = new_term(NIL(vl_range), 0, -1);
618	vl_write_bin_comp(file, Beq2Expr, const_trm, sel, ctrl);
619	#else
620	ctrl = new_term(NIL(vl_range), 0, -1);
621	vl_write_bin_equal_const(file, const_expr, sel, ctrl);
622	vl_chk_free((char*)const_expr);
623	#endif
624	sprintf(new_buf, "%s%s%d%s",
625	new->name->name, SEP_LARRAY, idx, SEP_RARRAY);
626	if (rst_ckt && !strstr(orig->name->name, SEP_GATEPIN)) {
627	int i;
628	sprintf(orig_buf, "%s", new_termname());
629	if (bit_lo == 0 && bit_hi == -1) {
630	if (out_term->term_type) {
631	if (vis_nond) {
632	char *old_name;
633	vl_range *old_range;
634	vl_enumerator *enum_elt;
635	old_name = out_term->name->name;
636	old_range = out_term->name->range;
637	out_term->name->name = orig_buf;
638	out_term->name->range = NIL(vl_range);
639	write_var_decl(file, out_term);
640	out_term->name->name = old_name;
641	out_term->name->range = old_range;
642	lsFirstItem(out_term->term_type->specifier->u.enum_type->domain_list, (lsGeneric*)&enum_elt, 0);
643	fprintf(file, ".names %s\n%s\n", orig_buf,
644	enum_elt->name);
645	} else {
646	fprintf(file, ".names %s\n-\n", orig_buf);
647	}
648	} else {
649	if (vis_nond) {
650	fprintf(file, ".names %s\n0\n", orig_buf);
651	} else {
652	fprintf(file, ".names %s\n-\n", orig_buf);
653	}
654	}
655	} else {
656	for (i=bit_lo; i<=bit_hi; i++)
657	if (vis_nond) {
658	fprintf(file, ".names %s%s%d%s\n0\n", orig_buf,
659	SEP_LBITSELECT, i, SEP_RBITSELECT);
660	} else {
661	fprintf(file, ".names %s%s%d%s\n-\n", orig_buf,
662	SEP_LBITSELECT, i, SEP_RBITSELECT);
663	}
664	}
665	} else {
666	sprintf(orig_buf, "%s%s%d%s",
667	orig->name->name, SEP_LARRAY, idx, SEP_RARRAY);
668	}
669	sprintf(out_buf, "%s%s%d%s",
670	out_term->name->name, SEP_LARRAY, idx, SEP_RARRAY);
671	new_elt = new;
672	orig_elt = create_rename_term(orig->name, orig_buf, bit_lo, bit_hi);
673	orig_elt->name->range = NIL(vl_range);
674	orig_elt->flag = orig->flag;
675	orig_elt->term_type = orig->term_type;
676	out_elt = create_rename_term(out_term->name, out_buf, bit_lo, bit_hi);
677	out_elt->name->range = NIL(vl_range);
678	instantiate_mux(file, new_elt, orig_elt, ctrl, out_elt);
679	}
680	vl_chk_free((char*)hi_expr);
681	}
682
683
684	char *new_termname()
685	{
686	static char sbuf[MAXSTRLEN];
687	static unsigned int TermCount=0;
688
689	sprintf(sbuf, "%s%x", NODE, TermCount++);
690	return sbuf;
691	}
692
693	char *new_instname()
694	{
695	static char sbuf[MAXSTRLEN];
696	static unsigned int InstCount=0;
697
698	sprintf(sbuf, "%s%x%s", NODE, InstCount++, NODE);
699	return sbuf;
700	}
701
702
703	vl_range get_decl_range(void decl)
704	{
705	if (!decl) return NIL(vl_range);
706	switch (((typestructPtr)(decl))->type) {
707	case InputDecl:
708	case OutputDecl:
709	case InoutDecl:
710	case RegDecl:
711	return ((vl_rangedeclPtr)(decl))->range;
712	case WireDecl:
713	case SWireDecl:
714	case TriDecl:
715	case Tri0Decl:
716	case Tri1Decl:
717	case TriandDecl:
718	case TriorDecl:
719	case WandDecl:
720	case WorDecl:
721	return ((vl_netdeclPtr)(decl))->range;
722	default:
723	return NIL(vl_range);
724	}
725	}
726
727	vl_expr get_decl_range_left(void decl)
728	{
729	switch (((typestructPtr)(decl))->type) {
730	case InputDecl:
731	case OutputDecl:
732	case InoutDecl:
733	case RegDecl:
734	if (!((vl_rangedeclPtr)(decl))->range) return NIL(vl_expr);
735	return ((vl_rangedeclPtr)(decl))->range->left;
736	case WireDecl:
737	case SWireDecl:
738	case TriDecl:
739	case Tri0Decl:
740	case Tri1Decl:
741	case TriandDecl:
742	case TriorDecl:
743	case WandDecl:
744	case WorDecl:
745	if (!((vl_netdeclPtr)(decl))->range) return NIL(vl_expr);
746	return ((vl_netdeclPtr)(decl))->range->left;
747	default:
748	return NIL(vl_expr);
749	}
750	}
751
752	vl_expr get_decl_range_right(void decl)
753	{
754	switch (((typestructPtr)(decl))->type) {
755	case InputDecl:
756	case OutputDecl:
757	case InoutDecl:
758	case RegDecl:
759	if (!((vl_rangedeclPtr)(decl))->range) return NIL(vl_expr);
760	return ((vl_rangedeclPtr)(decl))->range->right;
761	case WireDecl:
762	case SWireDecl:
763	case TriDecl:
764	case Tri0Decl:
765	case Tri1Decl:
766	case TriandDecl:
767	case TriorDecl:
768	case WandDecl:
769	case WorDecl:
770	if (!((vl_netdeclPtr)(decl))->range) return NIL(vl_expr);
771	return ((vl_netdeclPtr)(decl))->range->right;
772	default:
773	return NIL(vl_expr);
774	}
775	}
776
777	void *
778	chng_decl_range(void decl, vl_range new_range)
779	{
780	void *retval = NIL(void);
781	if (!decl) return decl;
782
783	switch (((typestructPtr)(decl))->type) {
784	case InputDecl:
785	case OutputDecl:
786	case InoutDecl:
787	case RegDecl:
788	retval = (void*)chk_malloc(sizeof(vl_rangedecl));
789	((vl_rangedeclPtr)(retval))->type = ((vl_rangedeclPtr)decl)->type;
790	((vl_rangedeclPtr)(retval))->flags = ((vl_rangedeclPtr)decl)->flags;
791	((vl_rangedeclPtr)(retval))->handle = ((vl_rangedeclPtr)decl)->handle;
792	((vl_rangedeclPtr)(retval))->ids = lsCreate();
793	((vl_rangedeclPtr)(retval))->range = new_range;
794	break;
795	case WireDecl:
796	case SWireDecl:
797	case TriDecl:
798	case Tri0Decl:
799	case Tri1Decl:
800	case TriandDecl:
801	case TriorDecl:
802	case WandDecl:
803	case WorDecl:
804	retval = (void*)chk_malloc(sizeof(vl_netdecl));
805	((vl_netdeclPtr)(retval))->type = ((vl_netdeclPtr)decl)->type;
806	((vl_netdeclPtr)(retval))->flags = ((vl_netdeclPtr)decl)->flags;
807	((vl_netdeclPtr)(retval))->strength = ((vl_netdeclPtr)decl)->strength;
808	((vl_netdeclPtr)(retval))->delay = ((vl_netdeclPtr)decl)->delay;
809	((vl_netdeclPtr)(retval))->handle = ((vl_netdeclPtr)decl)->handle;
810	((vl_netdeclPtr)(retval))->ids = lsCreate();
811	((vl_netdeclPtr)(retval))->range = new_range;
812	break;
813	default:
814	break;
815	}
816	return retval;
817	}
818
819	short get_decl_flags(void *decl)
820	{
821	if (!decl) return 0;
822
823	switch (((typestructPtr)(decl))->type) {
824	case InputDecl:
825	case OutputDecl:
826	case InoutDecl:
827	case RegDecl:
828	return ((vl_rangedeclPtr)(decl))->flags;
829	case WireDecl:
830	case SWireDecl:
831	case TriDecl:
832	case Tri0Decl:
833	case Tri1Decl:
834	case TriandDecl:
835	case TriorDecl:
836	case WandDecl:
837	case WorDecl:
838	return ((vl_netdeclPtr)(decl))->flags;
839	default:
840	return 0;
841	}
842	}
843
844	void get_type(vl_id_range id, vl_type *var_type)
845	{
846
847	id = id;
848	var_type = var_type;
849	}
850
851
852	void get_hilo(vl_id_range id, int hi, int *lo)
853	{
854	vl_expr left, right;
855	int leftval, rightval;
856
857	if (get_decl_range(id->mpg_master_exp)) {
858	left = get_decl_range_left(id->mpg_master_exp);
859	right = get_decl_range_right(id->mpg_master_exp);
860	leftval = vl_eval_expr(left);
861	rightval = vl_eval_expr(right);
862	if (leftval > rightval) {
863	int temp;
864
865	temp=leftval; leftval = rightval; rightval = temp;
866	}
867	*lo = leftval;
868	*hi = rightval;
869	} else {
870	*lo = 0;
871	*hi = -1;
872	}
873	}
874
875
876
877	void insert_control_list(var_info cur_var, vl_term sel)
878	{
879	vl_id_range *id_sym;
880
881	if (!sel) return;
882	st_lookup(vl_currentModule->sig_st, cur_var->id->name, (char**)&id_sym);
883	lsNewEnd(cur_var->cond_list, (lsGeneric)sel, LS_NH);
884	}
885
886
887	void print_control_var_pair(FILE file, char ctrl, char *var)
888	{
889	fprintf(file, "%s %s ", ctrl, var);
890	}
891
892
893
894	vl_term write_multi_in_or(FILE file, lsList in_list)
895	{
896	lsGen gen;
897	lsHandle handle;
898	vl_term *term_out;
899	vl_term in_term, true_in_term;
900	int i, j;
901
902	term_out = new_term(NIL(vl_range), 0, -1);
903
904	fprintf(file, ".names ");
905	gen = lsStart(in_list);
906	if (lsNext(gen, (lsGeneric*)&in_term, &handle) == LS_OK) {
907	true_in_term = (vl_term*)((int)in_term & (~1));
908	fprintf(file, "%s ", true_in_term->name->name);
909	while (lsNext(gen, (lsGeneric*)&in_term, &handle) != LS_NOMORE) {
910	true_in_term = (vl_term*)((int)in_term & (~1));
911	fprintf(file, "%s ", true_in_term->name->name);
912	}
913	}
914	fprintf(file, "%s\n", term_out->name->name);
915	lsFinish(gen);
916
917	if (set_notation) {
918	fprintf(file, "%s 1\n", HSIS_DEFAULT);
919	} else {
920	gen = lsStart(in_list);
921	for (i=0; i<lsLength(in_list); i++) {
922	lsNext(gen, (lsGeneric*)&in_term, &handle);
923	for (j=0; j<lsLength(in_list); j++) {
924	fprintf(file, "%c ", (i==j)?(((int)in_term&1)?'0':'1'):'-');
925	}
926	fprintf(file, "1\n");
927	}
928	lsFinish(gen);
929	}
930
931	gen = lsStart(in_list);
932	if (lsNext(gen, (lsGeneric*)&in_term, &handle) == LS_OK) {
933	fprintf(file, "%c ", ((int)in_term&1)?'1':'0');
934	while (lsNext(gen, (lsGeneric*)&in_term, &handle) != LS_NOMORE) {
935	fprintf(file, "%c ", ((int)in_term&1)?'1':'0');
936	}
937	}
938	lsFinish(gen);
939	fprintf(file, "0\n");
940
941	return term_out;
942	}
943
944
945
946	vl_term array_or(FILE file, array_t *in_array)
947	{
948	vl_term *term_out;
949	vl_term in_term, true_in_term;
950	int i, j;
951	int ithItem;
952
953	term_out = new_term(NIL(vl_range), 0, -1);
954
955	fprintf(file, ".names ");
956	ithItem = 0;
957	for (i=0; i<array_n(in_array); i++) {
958	true_in_term = array_fetch(vl_term*, in_array, i);
959	if (true_in_term) {
960	fprintf(file, "%s ", true_in_term->name->name);
961	}
962
963	}
964	fprintf(file, "%s\n", term_out->name->name);
965
966	if (set_notation) {
967	fprintf(file, "%s 1\n", HSIS_DEFAULT);
968	} else {
969	for (i=0; i<array_n(in_array); i++) {
970	in_term = array_fetch(vl_term*, in_array, i);
971	if (!in_term) continue;
972	for (j=0; j<array_n(in_array); j++) {
973	if (array_fetch(vl_term*, in_array, j))
974	fprintf(file, "%c ", (i==j)?'1':'-');
975	}
976	fprintf(file, "1\n");
977	}
978	}
979
980	for (i=0; i<array_n(in_array); i++)
981	if (array_fetch(vl_term*, in_array, i))
982	fprintf(file, "0 ");
983	fprintf(file, "0\n");
984
985	return term_out;
986	}
987
988
989	vl_term syndrome_to_control(FILE file, char key, st_table sig_st)
990	{
991	vl_term *retval=NIL(vl_term);
992	vl_id_range *id_sym;
993	syndrome_expr *se;
994	vl_term *ctrl_term;
995	int ith_var = 0;
996	char *syndrome;
997	char *dc;
998	lsList comp;
999	lsGen gen;
1000	lsHandle handle;
1001	var_info *cur_var;
1002	int fg_id = -1;
1003	char lc_name[MAXSTRLEN];
1004	int need_leading_and = 1;
1005	int ithItem;
1006
1007	if (!st_lookup(sig_st, key, (char**)&cur_var)) return true_term(file);
1008	id_sym = cur_var->id;
1009
1010
1011	if (!(dc = check_dc((!rst_ckt)?id_sym->syndrome_expr_list:
1012	id_sym->rst_syndrome_expr_list)))
1013	return NIL(vl_term);;
1014
1015
1016	retval = new_term(NIL(vl_range), 0, -1);
1017	if (!vlTimedSystem)
1018	if (isTautology((!rst_ckt)?id_sym->syndrome_expr_list:
1019	id_sym->rst_syndrome_expr_list))
1020	retval->flag \|= TautologyTrue;
1021	if (vlTimedSystem && !rst_ckt) {
1022	for (gen=lsStart((!rst_ckt)?
1023	id_sym->syndrome_expr_list:
1024	id_sym->rst_syndrome_expr_list);
1025	lsNext(gen,(lsGeneric*)&se,&handle)!=LS_NOMORE; ) {
1026	st_table *dummy;
1027	if (st_lookup(vl_description->fg_vars_st, (char*)se->fg_id,
1028	(char**)&dummy))
1029	if (dummy == sig_st) {
1030	fg_id = se->fg_id; break;
1031	}
1032	}
1033	lsFinish(gen);
1034	sprintf(lc_name, "%s%06x", FG_LC_PS, fg_id);
1035	if (fg_id != -1) {
1036	fprintf(file, ".names %s ", lc_name);
1037	} else {
1038	fprintf(file, ".names %s\n0\n", retval->name->name);
1039	retval->flag \|= ConflictFalse;
1040	return retval;
1041	}
1042	} else {
1043	fprintf(file, ".names ");
1044	}
1045	ithItem = 0;
1046	for (gen=lsStart((!rst_ckt)?ctrl_list:rst_ctrl_list), ith_var=0;
1047	lsNext(gen,(lsGeneric*)&ctrl_term,&handle)!=LS_NOMORE; ith_var++) {
1048	if (!dc[ith_var]) {
1049	fprintf(file, "%s ", ctrl_term->name->name);
1050	}
1051	}
1052	lsFinish(gen);
1053
1054	fprintf(file, "%s\n", retval->name->name);
1055
1056	if (set_notation)
1057	fprintf(file, "%s 0\n", HSIS_DEFAULT);
1058
1059	for (gen=lsStart((!rst_ckt)?
1060	id_sym->syndrome_expr_list:
1061	id_sym->rst_syndrome_expr_list);
1062	lsNext(gen,(lsGeneric*)&se,&handle)!=LS_NOMORE; ) {
1063	st_table *dummy;
1064	int printed;
1065
1066	printed = 0;
1067	if (st_lookup(vl_description->fg_vars_st, (char*)se->fg_id,
1068	(char**)&dummy))
1069	if (dummy == sig_st) {
1070	if (vlTimedSystem && !rst_ckt)
1071	fg_put_loc_context(file, se->pre_cond, lc_name);
1072	fprintf(file, " ");
1073	printed = put_entry(file, se->syndrome, dc, need_leading_and);
1074	if (!need_leading_and && !printed)
1075	fprintf(file, "%d ", 1);
1076	fprintf(file, "1\n");
1077	}
1078	}
1079	lsFinish(gen);
1080
1081	if (!set_notation) {
1082	comp=put_guard_zero(file, (!rst_ckt)?
1083	id_sym->syndrome_expr_list:
1084	id_sym->rst_syndrome_expr_list);
1085	for (gen=lsStart(comp); lsNext(gen,&syndrome,&handle)!=LS_NOMORE; ) {
1086	put_entry(file, syndrome, dc, 1);
1087	fprintf(file, "0\n");
1088	}
1089	lsFinish(gen);
1090	}
1091
1092	vl_chk_free(dc);
1093
1094	return retval;
1095	}
1096
1097
1098	lsList put_guard_zero(FILE *file, lsList se_list)
1099	{
1100	lsList retval=(lsList)0;
1101
1102	return retval;
1103	}
1104
1105
1106	lsList get_transition(FILE *file)
1107	{
1108	lsList retval;
1109	char buf[MAXSTRLEN], *cp;
1110	char syndrome[MAXSTRLEN];
1111	int n_entries, i;
1112
1113	retval = lsCreate();
1114	while (fgets(buf, MAXSTRLEN-1, file)) {
1115	if ((cp = strstr(buf, ".p")) != NIL(char)) {
1116	cp += strlen(".p");
1117	n_entries = atoi(cp);
1118	for (i=0; i<n_entries && fgets(buf, MAXSTRLEN-1, file); i++) {
1119	sscanf(buf, "%s", syndrome);
1120	lsNewEnd(retval, vlStrdup(syndrome), 0);
1121	}
1122	break;
1123	}
1124	}
1125	return retval;
1126	}
1127
1128
1129	int put_entry(FILE file, char str, char *dc, int need_leading_and)
1130	{
1131	unsigned int i;
1132	lsGen gen;
1133	lsHandle handle;
1134	vl_term *ctrl_term;
1135	int print_something=0;
1136
1137	for (i=0, gen=lsStart((!rst_ckt)?ctrl_list:rst_ctrl_list);
1138	i<strlen(str) && lsNext(gen,(lsGeneric*)&ctrl_term,&handle)!=LS_NOMORE;
1139	i++) {
1140	if (!dc) {
1141	fprintf(file, "%c ", str[i]);
1142	} else if (!dc[i]) {
1143	fprintf(file, "%c ", str[i]);
1144	}
1145	}
1146
1147	return print_something;
1148	}
1149
1150
1151	int put_blif_header(FILE *file, lsList se_list)
1152	{
1153	int terminal_count=0;
1154	int retval;
1155	unsigned int i;
1156	syndrome_expr *se;
1157
1158	fprintf(file, ".model scratch\n");
1159	fprintf(file, ".outputs n%d\n", retval = terminal_count++);
1160	if (lsLength(se_list)) {
1161	fprintf(file, ".inputs");
1162	lsFirstItem(se_list, (lsGeneric*)&se, 0);
1163	for (i=0; i<strlen(se->syndrome); i++) {
1164	fprintf(file, " n%d", terminal_count++);
1165	}
1166	fprintf(file, "\n");
1167	}
1168	return retval;
1169	}
1170
1171
1172	int put_blif_gate_header(FILE *file, lsList se_list)
1173	{
1174	int terminal_count=0;
1175	int retval;
1176	unsigned int i;
1177	syndrome_expr *se;
1178
1179	fprintf(file, ".names");
1180	if (lsLength(se_list)) {
1181	lsFirstItem(se_list, (lsGeneric*)&se, 0);
1182	for (i=0; i<strlen(se->syndrome); i++) {
1183	fprintf(file, " n%d", ++terminal_count);
1184	}
1185	}
1186	fprintf(file, " n%d\n", retval = ++terminal_count);
1187
1188	return retval;
1189	}
1190
1191	void put_blif_tail(FILE *file)
1192	{
1193	fprintf(file, ".end\n\n");
1194	}
1195
1196
1197	vl_term write_array_access(FILE file, vl_id_range id_sym, vl_term idx_term, vl_expr *idx_expr)
1198	{
1199	int lo, hi, idx;
1200	int bit_lo, bit_hi, bit;
1201	int i, j;
1202	unsigned int k;
1203	vl_term *retval;
1204	char buf[MAXSTRLEN];
1205
1206	lo = vl_eval_expr(id_sym->range->left);
1207	if (id_sym->range->right)
1208	hi = vl_eval_expr(id_sym->range->right);
1209	else
1210	hi = lo;
1211
1212
1213	if (!idx_term) {
1214	int const_hi, const_lo;
1215
1216	assert(ISVLCONST(idx_expr->type));
1217
1218	const_hi = min_bit_width(hi)-1;
1219	const_lo = 0;
1220	idx_term = new_term(NIL(vl_range), const_lo, const_hi);
1221	write_var_decl(file, idx_term);
1222	vl_write_const(file, idx_expr, idx_term);
1223	}
1224
1225
1226	get_hilo(id_sym, &bit_hi, &bit_lo);
1227	retval = new_term(NIL(vl_range), bit_lo, bit_hi);
1228	retval->flag = id_sym->flags;
1229	retval->term_type = id_sym->id_type;
1230	write_var_decl(file, retval);
1231
1232	if (bit_lo > bit_hi) {
1233	if (id_sym->flags & MVar) {
1234
1235	lsList domain;
1236
1237	domain = id_sym->id_type->specifier->u.enum_type->domain_list;
1238
1239	fprintf(file, ".names ");
1240	for (i=idx_term->hi; i>=idx_term->lo; i--) {
1241	fprintf(file, "%s%s%d%s ", idx_term->name->name,
1242	SEP_LBITSELECT, i, SEP_RBITSELECT);
1243	}
1244	for (idx=lo; idx<=hi; idx++) {
1245	fprintf(file, "%s%s%d%s ", id_sym->name,
1246	SEP_LARRAY, idx, SEP_RARRAY);
1247	}
1248	fprintf(file, "%s\n", retval->name->name);
1249
1250
1251	if (set_notation) {
1252	for (i=0; i<(1<<(idx_term->hi-idx_term->lo+1)); i++) {
1253	strcpy(buf,
1254	num_to_binstr(i,(idx_term->hi-idx_term->lo+1)));
1255	for (k=0; k<strlen(buf); k++)
1256	fprintf(file, "%c ", buf[k]);
1257	for (idx=lo; idx<=hi; idx++) fprintf(file, "- ");
1258	if (i <= hi && i >= lo)
1259	fprintf(file, "%s%s%s%d%s\n", HSIS_EQUAL,
1260	id_sym->name, SEP_LARRAY, i, SEP_RARRAY);
1261	else {
1262	if (arrayBoundNond) {
1263	fprintf(file, "-\n");
1264	} else {
1265	vl_enumerator *enum_elt;
1266	lsFirstItem(id_sym->id_type->specifier
1267	->u.enum_type->domain_list,
1268	(lsGeneric*)&enum_elt, 0);
1269	fprintf(file, "%s\n", enum_elt->name);
1270	}
1271	}
1272	}
1273	} else {
1274	lsList domain;
1275	lsGen enum_gen;
1276	lsHandle enum_handle;
1277	vl_enumerator *enum_elt;
1278	domain = id_sym->id_type->specifier->u.enum_type->domain_list;
1279	for (i=0; i<(1<<(idx_term->hi-idx_term->lo+1)); i++) {
1280	for (enum_gen=lsStart(domain);
1281	lsNext(enum_gen,(lsGeneric*)&enum_elt,&enum_handle)!=
1282	LS_NOMORE; ) {
1283	strcpy(buf,
1284	num_to_binstr(i,(idx_term->hi-idx_term->lo+1)));
1285	for (k=0; k<strlen(buf); k++)
1286	fprintf(file, "%c ", buf[k]);
1287	for (idx=lo; idx<=hi; idx++)
1288	fprintf(file, "%s ",
1289	(idx==i)?enum_elt->name:"-");
1290	fprintf(file, "%s\n",
1291	(i<=hi && i>=lo)?enum_elt->name:
1292	(arrayBoundNond)?"-":enum_elt->name);
1293	}
1294	lsFinish(enum_gen);
1295	}
1296	}
1297	} else {
1298
1299	fprintf(file, ".names ");
1300	for (i=idx_term->hi; i>=idx_term->lo; i--) {
1301	fprintf(file, "%s%s%d%s ", idx_term->name->name,
1302	SEP_LBITSELECT, i, SEP_RBITSELECT);
1303	}
1304	for (idx=lo; idx<=hi; idx++) {
1305	fprintf(file, "%s%s%d%s ", id_sym->name,
1306	SEP_LARRAY, idx, SEP_RARRAY);
1307	}
1308	fprintf(file, "%s\n", retval->name->name);
1309	fprintf(file, ".def 0\n");
1310
1311	for (i=0; i<(1<<(idx_term->hi-idx_term->lo+1)); i++) {
1312	for (j=0; j<=1; j++) {
1313	if (j==0 && i<=hi && i>=lo) continue;
1314	if ((i>hi \|\| i<lo) && !arrayBoundNond) continue;
1315	strcpy(buf,
1316	num_to_binstr(i, (idx_term->hi-idx_term->lo+1)));
1317	for (k=0; k<strlen(buf); k++)
1318	fprintf(file, "%c ", buf[k]);
1319	for (idx=lo; idx<=hi; idx++) {
1320	fprintf(file, "%c ", (idx==i)?((j==0)?'0':'1'):'-');
1321	}
1322	fprintf(file, "%c\n", (i<=hi && i>=lo)?'1':'-');
1323	}
1324	}
1325	}
1326	} else {
1327	for (bit=bit_lo; bit<=bit_hi; bit++) {
1328
1329	fprintf(file, ".names ");
1330	for (i=idx_term->hi; i>=idx_term->lo; i--) {
1331	fprintf(file, "%s%s%d%s ", idx_term->name->name,
1332	SEP_LBITSELECT, i, SEP_RBITSELECT);
1333	}
1334	for (idx=lo; idx<=hi; idx++) {
1335	fprintf(file, "%s%s%d%s%s%d%s ", id_sym->name,
1336	SEP_LARRAY, idx, SEP_RARRAY,
1337	SEP_LBITSELECT, bit, SEP_RBITSELECT);
1338	}
1339	fprintf(file, "%s%s%d%s\n", retval->name->name,
1340	SEP_LBITSELECT,bit,SEP_RBITSELECT);
1341	fprintf(file, ".def 0\n");
1342
1343	for (i=0; i<(1<<(idx_term->hi-idx_term->lo+1)); i++) {
1344	for (j=0; j<=1; j++) {
1345	if (j==0 && i<=hi && i>=lo) continue;
1346	if ((i>hi \|\| i<lo) && !arrayBoundNond) continue;
1347	strcpy(buf,
1348	num_to_binstr(i,(idx_term->hi-idx_term->lo+1)));
1349	for (k=0; k<strlen(buf); k++)
1350	fprintf(file, "%c ", buf[k]);
1351	for (idx=lo; idx<=hi; idx++) {
1352	fprintf(file, "%c ", (idx==i)?((j==0)?'0':'1'):'-');
1353	}
1354	fprintf(file, "%c\n", (i<=hi && i>=lo)? '1':'-');
1355	}
1356	}
1357	}
1358	}
1359
1360	return retval;
1361	}
1362
1363
1364	char sel_var(char name)
1365	{
1366	return name;
1367	}
1368
1369	int isMVar(short unsigned flag)
1370	{
1371	return (flag & MVar);
1372	}
1373
1374	int isOutPort(short unsigned flag)
1375	{
1376	return (flag & OutPort);
1377	}
1378
1379
1380	void check_assign(vl_bassign_stmt *assign, int procedural)
1381	{
1382	vl_id_range *lhs_id;
1383	char buf[MAXSTRLEN];
1384
1385	st_lookup(vl_currentModule->sig_st,
1386	assign->lhs->name->name, (char**)&lhs_id);
1387
1388	if (procedural) {
1389	if (assign->type != NbassignStmt &&
1390	assign->type != DelayNbassignStmt &&
1391	assign->type != EventNbassignStmt &&
1392	!(lhs_id->flags & RegVar)) {
1393	yylineno = assign->lineno;
1394	sprintf(buf,
1395	"error: wire '%s' is used as lhs of = in procedural statement\n",
1396	lhs_id->name);
1397	compile_error(buf);
1398	}
1399	if (lhs_must_be_wire && (lhs_id->flags & RegVar)) {
1400
1401	}
1402	if (compatibleChecking && !(lhs_id->flags & RegVar)) {
1403	yylineno = assign->lineno;
1404	sprintf(buf,
1405	"error: wire '%s' is used as lhs of <= in procedural statement\n",
1406	lhs_id->name);
1407	compile_error(buf);
1408	}
1409	} else {
1410	if (lhs_id->flags & RegVar) {
1411	yylineno = assign->lineno;
1412	sprintf(buf,
1413	"error: reg '%s' is used as lhs of continus assignment\n",
1414	lhs_id->name);
1415	compile_error(buf);
1416	}
1417	}
1418	}
1419
1420
1421	void instantiate_reset_mux(FILE file, vl_id_range id_sym, int lo, int hi,
1422	var_info var, var_info lvar)
1423	{
1424	extern vl_term *Initial_Signal;
1425	vl_term *term_out;
1426	char buf[MAXSTRLEN];
1427	vl_term *init_term;
1428
1429	sprintf(buf, "%s%s", id_sym->name, new_termname());
1430	term_out = create_rename_term(id_sym, buf, lo, hi);
1431	term_out->flag =
1432	get_decl_flags(var->id->mpg_master_exp);
1433	write_var_decl(file,term_out);
1434	lsFirstItem(id_sym->initial, (lsGeneric*)&init_term, 0);
1435	instantiate_mux(file, init_term,
1436	lvar->current_terminal,
1437	Initial_Signal, term_out);
1438	lvar->current_terminal = term_out;
1439	}
1440
1441
1442	void instantiate_input_latch(FILE file, vl_id_range id_sym)
1443	{
1444	char buf[MAXSTRLEN];
1445
1446	sprintf(buf, "%s%s%s", id_sym->name, SEP_DIR, PIN_IN);
1447	if (id_sym->flags & InPort && id_sym->flags & RegVar) {
1448	if (!instantiateInputLatch) return;
1449	if (id_sym->flags & MVar) {
1450	fprintf(file, ".latch %s %s\n", id_sym->name, buf);
1451	} else {
1452	int i, lo, hi;
1453
1454	get_hilo(id_sym, &hi, &lo);
1455	if (lo > hi) {
1456	fprintf(file, ".latch %s %s\n", id_sym->name, buf);
1457	} else {
1458	for (i=lo; i<=hi; i++) {
1459	fprintf(file, ".latch %s%s%d%s %s%s%d%s\n",
1460	id_sym->name,
1461	SEP_LBITSELECT, i, SEP_RBITSELECT,
1462	buf, SEP_LBITSELECT, i, SEP_RBITSELECT);
1463	}
1464	}
1465	}
1466	}
1467	}
1468
1469
1470	void instantiate_hidden_latch(FILE file, vl_id_range id_sym)
1471	{
1472	char buf[MAXSTRLEN];
1473	lsList domain;
1474	lsGen enum_gen;
1475	lsHandle enum_handle;
1476	vl_enumerator *enum_elt;
1477
1478
1479	if (!id_sym->mpg_master_exp) return;
1480	if (strstr(id_sym->name, SEP_LATCH)) return;
1481
1482	sprintf(buf, "%s%s", id_sym->name, PIN_HIDDEN);
1483	if (id_sym->flags & HiddenLatch) {
1484	if (id_sym->flags & MVar) {
1485	domain = id_sym->id_type->specifier->u.enum_type->domain_list;
1486	fprintf(file, ".mv %s %d ", buf, lsLength(domain));
1487	for (enum_gen = lsStart(domain);
1488	lsNext(enum_gen, (lsGeneric*)&enum_elt, &enum_handle) !=
1489	LS_NOMORE;) {
1490	fprintf(file, "%s ", enum_elt->name);
1491	}
1492	lsFinish(enum_gen);
1493	fprintf(file, "\n");
1494	fprintf(file, ".latch %s %s\n", id_sym->name, buf);
1495	fprintf(file, ".r %s\n-\n", buf);
1496	} else {
1497	int i, lo, hi;
1498
1499	get_hilo(id_sym, &hi, &lo);
1500	if (lo > hi) {
1501	fprintf(file, ".latch %s %s\n", id_sym->name, buf);
1502	fprintf(file, ".r %s\n-\n", buf);
1503	} else {
1504	for (i=lo; i<=hi; i++) {
1505	fprintf(file, ".latch %s%s%d%s %s%s%d%s\n",
1506	id_sym->name, SEP_LBITSELECT, i, SEP_RBITSELECT,
1507	buf, SEP_LBITSELECT, i, SEP_RBITSELECT);
1508	fprintf(file, ".r %s%s%d%s\n-\n",
1509	buf, SEP_LBITSELECT, i, SEP_RBITSELECT);
1510	}
1511	}
1512	}
1513	}
1514	}
1515
1516
1517	char *check_dc(lsList syndrome_expr_list)
1518	{
1519	lsGen lgen;
1520	lsHandle handle;
1521	char *retval;
1522	int nsym;
1523	syndrome_expr *se;
1524	int i;
1525	int rtvl;
1526
1527	if (lsLength(syndrome_expr_list) == 0) return NIL(char);
1528
1529	rtvl = lsFirstItem(syndrome_expr_list,(lsGeneric*)&se,0);
1530	assert(rtvl == LS_OK);
1531	nsym = strlen(se->syndrome);
1532	retval = (char)chk_malloc(nsym sizeof(char));
1533	for (i=0; i<nsym; i++) {
1534	retval[i] = 1;
1535	for (lgen=lsStart(syndrome_expr_list);
1536	lsNext(lgen,(lsGeneric*)&se,&handle)!=LS_NOMORE;) {
1537	if (se->syndrome[i] != '-')
1538	retval[i] = 0;
1539	}
1540	(void)lsFinish(lgen);
1541	}
1542
1543	return retval;
1544	}
1545
1546
1547	void put_nblock_transition(FILE *file, int non_block_wire, int n_entries,
1548	vl_id_range id_sym, int idx_lo, int idx_hi, int cur, char dc, lsList ripple)
1549	{
1550	lsGen lgen;
1551	lsList comp;
1552	lsHandle handle;
1553	int lo, hi;
1554	int i, j, k;
1555	char *syndrome;
1556	syndrome_expr *se;
1557	lsList domain=(lsList)0;
1558	lsGen enum_gen;
1559	lsHandle enum_handle;
1560	vl_enumerator *enum_elt;
1561
1562	for (lgen=lsStart((!rst_ckt)?
1563	id_sym->syndrome_expr_list:
1564	id_sym->rst_syndrome_expr_list),
1565	i=0;
1566	lsNext(lgen,(lsGeneric*)&se,&handle)!=LS_NOMORE; i++) {
1567	if (!(id_sym->flags & MVar)) {
1568	lo=0; hi=1;
1569	} else {
1570	get_hilo(id_sym, &hi, &lo);
1571	}
1572
1573	if (id_sym->id_type)
1574	domain = id_sym->id_type->specifier->u.enum_type->domain_list;
1575
1576	if (!(id_sym->flags & MVar)) {
1577	for (k=lo; k<=hi; k++) {
1578	if (vlTimedSystem && !rst_ckt)
1579	fg_put_loc_context(file, se->pre_cond, NIL(char));
1580	fprintf(file, " ");
1581	put_entry(file, se->syndrome, dc, 1);
1582
1583	if (ripple) {
1584	for (j=0; j<i; j++) fprintf(file, "- ");
1585	fprintf(file, "%d ", 1); j++;
1586	for (; j<n_entries; j++) fprintf(file, "- ");
1587	}
1588
1589	for (j=0; j<i; j++) fprintf(file, "- ");
1590	fprintf(file, "%d ", k); j++;
1591	for (; j<n_entries; j++) fprintf(file, "- ");
1592	fprintf(file, "%s%d\n", (non_block_wire\|\|rst_ckt)?"":"- ", k);
1593	}
1594	} else {
1595	for (enum_gen=lsStart(domain);
1596	lsNext(enum_gen,
1597	(lsGeneric*)&enum_elt,&enum_handle)!=LS_NOMORE;) {
1598	if (vlTimedSystem && !vlTimedSystem)
1599	fg_put_loc_context(file, se->pre_cond, NIL(char));
1600	fprintf(file, " ");
1601	put_entry(file, se->syndrome, dc, 1);
1602
1603	if (ripple) {
1604	for (j=0; j<i; j++) fprintf(file, "- ");
1605	fprintf(file, "%d ", 1); j++;
1606	for (; j<n_entries; j++) fprintf(file, "- ");
1607	}
1608
1609	for (j=0; j<i; j++) fprintf(file, "- ");
1610	fprintf(file, "%s ", enum_elt->name); j++;
1611	for (; j<n_entries; j++) fprintf(file, "- ");
1612	fprintf(file, "%s%s\n",
1613	(non_block_wire\|\|rst_ckt)?"":"- ", enum_elt->name);
1614	}
1615	lsFinish(enum_gen);
1616	}
1617
1618
1619	}
1620	lsFinish(lgen);
1621
1622
1623	if (deadlock_semantic) {
1624	comp = put_guard_zero(file, (!rst_ckt)?id_sym->syndrome_expr_list:
1625	id_sym->rst_syndrome_expr_list);
1626	if (comp)
1627	if (lsLength(comp) > 0 && !(id_sym->flags & RegVar)) {
1628	char buf[MAXSTRLEN], tmp_buf[MAXSTRLEN];
1629	strcpy(tmp_buf, id_sym->name);
1630	strip_char(tmp_buf,SEP_LATCH);
1631	sprintf(buf, "%s: wire '%s' might be unassigned in certain context(s).\n", vl_currentModule->name->name, tmp_buf);
1632	strcat(buf, "\tDeadlock is assumed. To make its value a don't care, turn off -k option");
1633	if (WarningLevel > 0)
1634	Translate_Notice(buf);
1635	}
1636	}
1637
1638
1639	if (!set_notation && !(deadlock_semantic && non_block_wire)) {
1640	comp = put_guard_zero(file, (!rst_ckt)?id_sym->syndrome_expr_list:
1641	id_sym->rst_syndrome_expr_list);
1642	if (!(id_sym->flags & MVar)) {
1643	for (lgen=lsStart(comp);
1644	lsNext(lgen,&syndrome,&handle)!=LS_NOMORE;) {
1645	if (!(id_sym->flags & MVar)) {
1646	lo=0; hi=1;
1647	}
1648	for (k=lo; k<=hi; k++) {
1649	put_entry(file, syndrome, dc, 1);
1650	for (j=0; j<n_entries*((ripple)?2:1); j++)
1651	fprintf(file, "- ");
1652	if (non_block_wire \|\| rst_ckt)
1653	fprintf(file, "%d\n", k);
1654	else
1655	fprintf(file, "%d %d\n", k, k);
1656	}
1657	}
1658	lsFinish(lgen);
1659	} else {
1660	for (lgen=lsStart(comp);
1661	lsNext(lgen,&syndrome,&handle)!=LS_NOMORE;) {
1662	if (!(id_sym->flags & MVar)) {
1663	lo=0; hi=1;
1664	}
1665	for (enum_gen=lsStart(domain);
1666	lsNext(enum_gen,
1667	(lsGeneric*)&enum_elt,&enum_handle)!=LS_NOMORE;) {
1668	put_entry(file, syndrome, dc, 1);
1669	for (j=0; j<n_entries*((ripple)?2:1); j++)
1670	fprintf(file, "- ");
1671	if (non_block_wire \|\| rst_ckt)
1672	fprintf(file, "%s\n", enum_elt->name);
1673	else
1674	fprintf(file, "%s %s\n",
1675	enum_elt->name, enum_elt->name);
1676	}
1677	lsFinish(enum_gen);
1678	}
1679	lsFinish(lgen);
1680	}
1681	}
1682
1683
1684	idx_lo = idx_lo;
1685	idx_hi = idx_hi;
1686	cur = cur;
1687	}
1688
1689
1690	void put_nblock_mout_transition(FILE *file, int non_block_wire,
1691	int n_entries,
1692	vl_id_range *id_sym,
1693	int idx_lo, int idx_hi, int cur,
1694	char dc, char latch_name)
1695	{
1696	lsGen lgen;
1697	lsList comp;
1698	lsHandle handle;
1699	int lo, hi;
1700	int i, j, k;
1701	char *syndrome;
1702	syndrome_expr *se;
1703
1704	for (lgen=lsStart((!rst_ckt)?
1705	id_sym->syndrome_expr_list:
1706	id_sym->rst_syndrome_expr_list),
1707	i=0;
1708	lsNext(lgen,(lsGeneric*)&se,&handle)!=LS_NOMORE; i++) {
1709	if (!(id_sym->flags & MVar)) {
1710	lo=0; hi=1;
1711	} else {
1712	get_hilo(id_sym, &hi, &lo);
1713	}
1714
1715	if (vlTimedSystem && !rst_ckt)
1716	fg_put_loc_context(file, se->pre_cond, NIL(char));
1717	fprintf(file, " ");
1718	put_entry(file, se->syndrome, dc, 1);
1719
1720	for (j=0; j<n_entries; j++)
1721	if (idx_lo == 0 && idx_hi == -1)
1722	fprintf(file, "- ");
1723	else
1724	for (k=idx_lo; k<=idx_hi; k++) fprintf(file, "- ");
1725	if (!(non_block_wire\|\|rst_ckt)) {
1726	if (idx_lo == 0 && idx_hi == -1)
1727	fprintf(file, "- ");
1728	else
1729	for (k=idx_lo; k<=idx_hi; k++)
1730	fprintf(file, "- ");
1731	}
1732	if (id_sym->flags & MVar \|\| (idx_lo==0 && idx_hi==-1)) {
1733	fprintf(file, "%s%s\n", HSIS_EQUAL, se->expr->name->name);
1734	} else {
1735	for (k=idx_lo; k<=idx_hi; k++) {
1736	fprintf(file, "%s%s%s%d%s ", HSIS_EQUAL,
1737	se->expr->name->name,
1738	SEP_LBITSELECT, k, SEP_RBITSELECT);
1739	}
1740	fprintf(file, "\n");
1741	}
1742	}
1743	lsFinish(lgen);
1744
1745
1746	if (deadlock_semantic) {
1747	comp = put_guard_zero(file, (!rst_ckt)?id_sym->syndrome_expr_list:
1748	id_sym->rst_syndrome_expr_list);
1749	if (comp)
1750	if (lsLength(comp) > 0 && !(id_sym->flags & RegVar)) {
1751	char buf[MAXSTRLEN], tmp_buf[MAXSTRLEN];
1752	strcpy(tmp_buf, id_sym->name);
1753	strip_char(tmp_buf,SEP_LATCH);
1754	sprintf(buf, "%s: wire '%s' might be unassigned in certain context(s).\n", vl_currentModule->name->name, tmp_buf);
1755	strcat(buf, "\tDeadlock is assumed. To make its value a don't care, use -k option");
1756	if (WarningLevel > 0)
1757	Translate_Notice(buf);
1758	}
1759	}
1760
1761
1762	if (!set_notation && !(deadlock_semantic && non_block_wire)) {
1763	comp = put_guard_zero(file, (!rst_ckt)?id_sym->syndrome_expr_list:
1764	id_sym->rst_syndrome_expr_list);
1765	for (lgen=lsStart(comp);
1766	lsNext(lgen,&syndrome,&handle)!=LS_NOMORE;) {
1767
1768	put_entry(file, syndrome, dc, 1);
1769	for (j=0; j<n_entries; j++)
1770	if (idx_lo == 0 && idx_hi == -1)
1771	fprintf(file, "- ");
1772	else
1773	for (k=idx_lo; k<=idx_hi; k++) fprintf(file, "- ");
1774	if (!(non_block_wire \|\| rst_ckt)) {
1775	if (idx_lo == 0 && idx_hi == -1)
1776	fprintf(file, "- ");
1777	else
1778	for (k=idx_lo; k<=idx_hi; k++)
1779	fprintf(file, "- ");
1780	}
1781	if (id_sym->flags & MVar \|\| (idx_lo==0 && idx_hi==-1)) {
1782	if (!(non_block_wire \|\| rst_ckt)) {
1783	fprintf(file, "%s%s\n", HSIS_EQUAL, latch_name);
1784	} else {
1785	fprintf(file, "-\n");
1786	}
1787	} else {
1788	if (!(non_block_wire \|\| rst_ckt))
1789	for (k=idx_lo; k<=idx_hi; k++) {
1790	fprintf(file, "%s%s%s%d%s ", HSIS_EQUAL,
1791	latch_name, SEP_LBITSELECT, k, SEP_RBITSELECT);
1792	}
1793	else
1794	for (k=idx_lo; k<=idx_hi; k++) {
1795	fprintf(file,"-");
1796	}
1797	fprintf(file, "\n");
1798	}
1799	}
1800
1801	lsFinish(lgen);
1802	}
1803
1804
1805	cur = cur;
1806	}
1807
1808
1809	void create_wire_nondeterminism(FILE file, char var_name,
1810	vl_id_range id_sym, array_t vars_array)
1811	{
1812	char buf[MAXSTRLEN];
1813	char input_buf[MAXSTRLEN];
1814	char *cp;
1815	st_table *vars;
1816	var_info *cur_var;
1817	int h, i, j, k;
1818	int hi, lo;
1819	int num_changer=0;
1820	lsList domain;
1821	lsGen enum_gen;
1822	lsHandle enum_handle;
1823	vl_enumerator *enum_elt;
1824
1825
1826	get_hilo(id_sym, &hi, &lo);
1827
1828	cp = buf; *cp = '\0';
1829	cp = strappend(cp, ".names ");
1830	for (i=0; i<array_n(vars_array); i++) {
1831	vars = array_fetch(st_table*, vars_array, i);
1832	if (vars) {
1833	if (st_lookup(vars, var_name, (char**)&cur_var)) {
1834	num_changer++;
1835	cp = strappendS(cp,
1836	cur_var->current_terminal->name->name);
1837	}
1838	}
1839	}
1840	strcpy(input_buf, buf);
1841	if (!num_changer)
1842	if (!((id_sym->flags & OutPort) && Zconnection))
1843	return;
1844
1845
1846	if (id_sym->flags &MVar) {
1847	fprintf(file, "%s %s\n", buf, id_sym->name);
1848
1849	if (set_notation) {
1850	for (i=0; i<array_n(vars_array); i++) {
1851	vars = array_fetch(st_table*, vars_array, i);
1852	if (vars) {
1853	if (st_lookup(vars, var_name, (char**)&cur_var)) {
1854	for (j=0; j<num_changer; j++) {
1855	fprintf(file, "- ");
1856	}
1857	fprintf(file, "%s%s\n", HSIS_EQUAL,
1858	cur_var->current_terminal->name->name);
1859	}
1860	}
1861	}
1862	} else {
1863	domain = id_sym->id_type->specifier->u.enum_type->domain_list;
1864	for (i=0; i<num_changer; i++) {
1865	for (enum_gen=lsStart(domain);
1866	lsNext(enum_gen,
1867	(lsGeneric*)&enum_elt,&enum_handle)!=LS_NOMORE;) {
1868	for (k=0; k<num_changer; k++) {
1869	fprintf(file, "%s ", (i==k)?enum_elt->name:"-");
1870	}
1871	fprintf(file, "%s\n", enum_elt->name);
1872	}
1873	lsFinish(enum_gen);
1874	}
1875	}
1876
1877	} else if (lo > hi) {
1878
1879	fprintf(file, "%s %s\n", buf, id_sym->name);
1880
1881	for (i=0; i<num_changer; i++) {
1882	for (j=0; j<=1; j++) {
1883	for (k=0; k<num_changer; k++) {
1884	fprintf(file, "%c ", (i==k)?'0'+j:'-');
1885	}
1886	fprintf(file, "%d\n", j);
1887	}
1888	}
1889
1890	} else {
1891	array_t *ctrlv;
1892
1893	for (h=lo; h<=hi; h++) {
1894	cp = buf; *cp = '\0';
1895	cp = strappend(cp, ".names ");
1896	ctrlv = array_alloc(char*,0);
1897	for (i=0, num_changer=0; i<array_n(vars_array); i++) {
1898	vars = array_fetch(st_table*, vars_array, i);
1899	if (vars) {
1900	if (st_lookup(vars, var_name, (char**)&cur_var)) {
1901	char tmp_buf[MAXSTRLEN];
1902	int real_changer = 0;
1903	if (h == lo &&
1904	cur_var->current_terminal->lo >
1905	cur_var->current_terminal->hi)
1906	real_changer = 1;
1907	if (cur_var->current_terminal->lo <=
1908	cur_var->current_terminal->hi)
1909	if (cur_var->current_terminal->lo <= h &&
1910	cur_var->current_terminal->hi >= h)
1911	real_changer = 1;
1912	if (real_changer) {
1913	num_changer++;
1914
1915	sprintf(tmp_buf, "%s%s%d%s",
1916	cur_var->current_terminal->name->name,
1917	SEP_LBITSELECT, h, SEP_RBITSELECT);
1918	cp = strappendS(cp, tmp_buf);
1919	array_insert_last(char*,ctrlv,
1920	vlStrdup(cur_var->current_terminal->name->name));
1921	}
1922	}
1923	}
1924	}
1925	if (!num_changer) continue;
1926	fprintf(file, "%s %s%s%d%s\n", buf, id_sym->name,
1927	SEP_LBITSELECT, h, SEP_RBITSELECT);
1928	if (set_notation) {
1929	for (i=0; i<num_changer; i++) {
1930	for (k=0; k<num_changer; k++) {
1931	fprintf(file, "- ");
1932	}
1933	fprintf(file, "%s%s%s%d%s\n", HSIS_EQUAL,
1934	array_fetch(char*, ctrlv, i),
1935	SEP_LBITSELECT, h, SEP_RBITSELECT);
1936	}
1937	} else {
1938	for (i=0; i<num_changer; i++) {
1939	for (j=0; j<=1; j++) {
1940	for (k=0; k<num_changer; k++) {
1941	fprintf(file, "%c ", (i==k)?'0'+j:'-');
1942	}
1943	fprintf(file, "%d\n", j);
1944	}
1945	}
1946	}
1947
1948	for (i=0; i<array_n(ctrlv); i++)
1949	vl_chk_free(array_fetch(char*, ctrlv, i));
1950	array_free(ctrlv);
1951
1952	}
1953	}
1954	}
1955
1956
1957	vl_term put_quasi_control(FILE file, char dc, char quasi_name, vl_id_range *id_sym, int n_entries)
1958	{
1959	int ith_var;
1960	vl_term *ctrl_term;
1961	vl_term *retval;
1962	lsGen lgen;
1963	lsHandle handle;
1964	syndrome_expr *se;
1965	int retval_width, retval_range;
1966	char buf[MAXSTRLEN];
1967
1968	retval_range = lsLength((!rst_ckt)?
1969	id_sym->syndrome_expr_list:
1970	id_sym->rst_syndrome_expr_list);
1971	retval_width = min_bit_width(retval_range);
1972	retval = new_term(NIL(vl_range), 0, retval_width-1);
1973	fprintf(file, ".mv %s,%s%s%s %d\n",
1974	retval->name->name, retval->name->name, SEP_GATEPIN, PIN_NS,
1975	n_entries+1);
1976	fprintf(file, ".latch %s%s%s %s\n",
1977	retval->name->name, SEP_GATEPIN, PIN_NS, retval->name->name);
1978	fprintf(file, ".r %s\n0\n", retval->name->name);
1979
1980
1981	fprintf(file, ".names ");
1982
1983	for (lgen=lsStart((!rst_ckt)?ctrl_list:rst_ctrl_list), ith_var=0;
1984	lsNext(lgen,(lsGeneric*)&ctrl_term,&handle)!=LS_NOMORE;
1985	ith_var++) {
1986	if (!dc[ith_var]) fprintf(file, "%s ", ctrl_term->name->name);
1987	}
1988	(void)lsFinish(lgen);
1989
1990	fprintf(file, "%s %s%s%s\n",
1991	retval->name->name, retval->name->name, SEP_GATEPIN, PIN_NS);
1992
1993	fprintf(file, "%s %s%s\n",
1994	HSIS_DEFAULT, HSIS_EQUAL, retval->name->name);
1995
1996	for (lgen=lsStart((!rst_ckt)?
1997	id_sym->syndrome_expr_list:
1998	id_sym->rst_syndrome_expr_list), ith_var=0;
1999	lsNext(lgen,(lsGeneric*)&se,&handle)!=LS_NOMORE;
2000	ith_var++) {
2001	if (vlTimedSystem && !rst_ckt)
2002	fg_put_loc_context(file, se->pre_cond, NIL(char));
2003	fprintf(file, " ");
2004	put_entry(file, se->syndrome, dc, 1);
2005	fprintf(file, "- %d\n",
2006	(strcmp(se->expr->name->name,quasi_name))?ith_var+1:0);
2007	}
2008	(void)lsFinish(lgen);
2009
2010	sprintf(buf, "%s%s%s", retval->name->name, SEP_GATEPIN, PIN_NS);
2011	vl_chk_free(retval->name->name);
2012	retval->name->name = vlStrdup(buf);
2013
2014	return retval;
2015	}
2016
2017
2018	void put_quasi_table(FILE file, char dc, char quasi_name, char sync_name,
2019	vl_id_range id_sym, vl_term out_term, int lo, int hi,
2020	int n_entries)
2021	{
2022	int ith_var, j;
2023	lsGen lgen;
2024	lsHandle handle;
2025	syndrome_expr *se;
2026	vl_term *ctrl_term;
2027
2028
2029	ctrl_term = put_quasi_control(file, dc, quasi_name, id_sym, n_entries);
2030
2031	if (hi < lo) {
2032
2033
2034	fprintf(file, ".names %s ", ctrl_term->name->name);
2035
2036	for (lgen=lsStart((!rst_ckt)?
2037	id_sym->syndrome_expr_list:
2038	id_sym->rst_syndrome_expr_list);
2039	lsNext(lgen,(lsGeneric*)&se,&handle)!=LS_NOMORE;) {
2040	fprintf(file, "%s ", se->expr->name->name);
2041	}
2042	(void)lsFinish(lgen);
2043	fprintf(file, "%s ", sync_name);
2044
2045	fprintf(file, "%s\n", out_term->name->name);
2046
2047
2048	for (lgen=lsStart((!rst_ckt)?
2049	id_sym->syndrome_expr_list:
2050	id_sym->rst_syndrome_expr_list), ith_var=0;
2051	lsNext(lgen,(lsGeneric*)&se,&handle)!=LS_NOMORE;
2052	ith_var++) {
2053	if (strcmp(se->expr->name->name, quasi_name)) {
2054	fprintf(file, "%d ", ith_var+1);
2055	for (j=0; j<n_entries; j++) fprintf(file, "- ");
2056	fprintf(file, "- %s%s\n", HSIS_EQUAL,se->expr->name->name);
2057	}
2058	}
2059	(void)lsFinish(lgen);
2060	fprintf(file, "0 ");
2061	for (j=0; j<n_entries; j++) fprintf(file, "- ");
2062	fprintf(file, "- %s%s\n", HSIS_EQUAL, sync_name);
2063	} else {
2064	int bit;
2065
2066
2067	fprintf(file, ".names %s ", ctrl_term->name->name);
2068
2069	for (lgen=lsStart((!rst_ckt)?
2070	id_sym->syndrome_expr_list:
2071	id_sym->rst_syndrome_expr_list);
2072	lsNext(lgen,(lsGeneric*)&se,&handle)!=LS_NOMORE;) {
2073	for (bit=lo; bit<=hi; bit++)
2074	fprintf(file, "%s%s%d%s ", se->expr->name->name,
2075	SEP_LBITSELECT, bit, SEP_RBITSELECT);
2076	}
2077	(void)lsFinish(lgen);
2078
2079	for (bit=lo; bit<=hi; bit++)
2080	fprintf(file, "%s%s%d%s%s%s ", quasi_name,
2081	SEP_LBITSELECT, bit, SEP_RBITSELECT,
2082	SEP_GATEPIN, PIN_PS);
2083
2084	fprintf(file, "%s ", HSIS_ARROW);
2085	for (bit=lo; bit<=hi; bit++)
2086	fprintf(file, "%s%s%d%s ", out_term->name->name,
2087	SEP_LBITSELECT, bit, SEP_RBITSELECT);
2088	fprintf(file, "\n");
2089
2090
2091	for (lgen=lsStart((!rst_ckt)?
2092	id_sym->syndrome_expr_list:
2093	id_sym->rst_syndrome_expr_list), ith_var=0;
2094	lsNext(lgen,(lsGeneric*)&se,&handle)!=LS_NOMORE;
2095	ith_var++) {
2096	if (strcmp(se->expr->name->name, quasi_name)) {
2097	fprintf(file, "%d ", ith_var+1);
2098	for (j=0; j<n_entries; j++)
2099	for (bit=lo; bit<=hi; bit++) fprintf(file, "- ");
2100	for (bit=lo; bit<=hi; bit++) fprintf(file, "- ");
2101	for (bit=lo; bit<=hi; bit++)
2102	fprintf(file, "%s%s%s%d%s ",
2103	HSIS_EQUAL,se->expr->name->name,
2104	SEP_LBITSELECT, bit, SEP_RBITSELECT);
2105	fprintf(file, "\n");
2106	}
2107	}
2108	(void)lsFinish(lgen);
2109	fprintf(file, "0 ");
2110	for (j=0; j<n_entries; j++)
2111	for (bit=lo; bit<=hi; bit++) fprintf(file, "- ");
2112	for (bit=lo; bit<=hi; bit++) fprintf(file, "- ");
2113
2114	for (bit=lo; bit<=hi; bit++)
2115	fprintf(file, "%s%s%s%d%s%s%s ",
2116	HSIS_EQUAL, quasi_name,
2117	SEP_LBITSELECT, bit, SEP_RBITSELECT,
2118	SEP_GATEPIN, PIN_PS);
2119	fprintf(file, "\n");
2120	}
2121	}
2122
2123
2124	void declare_mvar_io(FILE file, char dir, vl_id_range *id_sym)
2125	{
2126	int idx, idx_hi, idx_lo;
2127
2128	if (!id_sym->range) {
2129	fprintf(file, "%s %s", dir, id_sym->name);
2130	fprintf(file, "\n");
2131	} else {
2132	idx_lo = vl_eval_expr(id_sym->range->left);
2133	if (id_sym->range->right)
2134	idx_hi = vl_eval_expr(id_sym->range->right);
2135	else
2136	idx_hi = idx_lo;
2137
2138	for (idx = idx_lo; idx <= idx_hi; idx++) {
2139	fprintf(file, "%s %s%s%d%s", dir,
2140	id_sym->name, SEP_LARRAY, idx, SEP_RARRAY);
2141	fprintf(file, "\n");
2142	}
2143	}
2144	}
2145
2146	void declare_bin_scalar_io(FILE file, char dir, vl_id_range *id_sym)
2147	{
2148	int idx, idx_lo, idx_hi;
2149
2150	if (!id_sym->range) {
2151	fprintf(file, "%s %s", dir, id_sym->name);
2152	fprintf(file, "\n");
2153	} else {
2154	idx_lo = vl_eval_expr(id_sym->range->left);
2155	if (id_sym->range->right)
2156	idx_hi = vl_eval_expr(id_sym->range->right);
2157	else
2158	idx_hi = idx_lo;
2159
2160	for (idx = idx_lo; idx <= idx_hi; idx++) {
2161	fprintf(file, "%s %s%s%d%s", dir,
2162	id_sym->name, SEP_LARRAY, idx, SEP_RARRAY);
2163	fprintf(file, "\n");
2164	}
2165	}
2166	}
2167
2168	void declare_bin_vector_io(FILE file, char dir, vl_id_range *id_sym)
2169	{
2170	int idx, idx_lo, idx_hi;
2171	int i, lo, hi;
2172	int ithItem;
2173
2174	get_hilo(id_sym, &hi, &lo);
2175
2176	if (!id_sym->range) {
2177	fprintf(file, "%s ", dir);
2178	ithItem = 0;
2179	for (i=lo; i<=hi; i++) {
2180	char buf[MAXSTRLEN];
2181
2182	sprintf(buf, "%s%s%d%s", id_sym->name,
2183	SEP_LBITSELECT, i, SEP_RBITSELECT);
2184	fprintf(file, "%s ", buf);
2185	}
2186	fprintf(file, "\n");
2187	} else {
2188	idx_lo = vl_eval_expr(id_sym->range->left);
2189	if (id_sym->range->right)
2190	idx_hi = vl_eval_expr(id_sym->range->right);
2191	else
2192	idx_hi = idx_lo;
2193
2194	for (idx = idx_lo; idx <= idx_hi; idx++) {
2195	fprintf(file, "%s ", dir);
2196	for (i=lo; i<=hi; i++) {
2197	char buf[MAXSTRLEN];
2198
2199	sprintf(buf, "%s%s%d%s%s%d%s", id_sym->name,
2200	SEP_LARRAY, idx, SEP_RARRAY,
2201	SEP_LBITSELECT, i, SEP_RBITSELECT);
2202	fprintf(file, "%s ", buf);
2203	}
2204	fprintf(file, "\n");
2205	}
2206	}
2207	}
2208
2209
2210	void put_const_port_connect(FILE file, char outstr,
2211	vl_id_range *master,
2212	vl_port_connect *instance,
2213	lsList input_consts,
2214	vl_term *term_out)
2215	{
2216	int i, hi, lo;
2217	char buf[MAXSTRLEN];
2218
2219	get_hilo(master, &hi, &lo);
2220	if (isMVar(master->flags)) {
2221
2222	sprintf(buf, "%s=%s ", master->name, term_out->name->name);
2223	} else {
2224
2225	if (lo > hi) {
2226
2227	sprintf(buf, "%s=%s ",
2228	master->name, term_out->name->name);
2229	} else {
2230
2231	char tmp[MAXSTRLEN];
2232
2233	buf[0] = '\0';
2234	for (i=lo; i<=hi; i++) {
2235	sprintf(tmp, "%s%s%d%s=%s%s%d%s ",
2236	master->name,
2237	SEP_LBITSELECT, i, SEP_RBITSELECT,
2238	term_out->name->name,
2239	SEP_LBITSELECT, i, SEP_RBITSELECT);
2240	strcat(buf, tmp);
2241	}
2242	}
2243	}
2244
2245	if (file) fprintf(file, "%s", buf);
2246	if (outstr) sprintf(outstr, "%s", buf);
2247	}
2248
2249
2250	void put_mvar_port_connect(FILE file, char outstr,
2251	vl_id_range *master,
2252	vl_port_connect *instance)
2253	{
2254	int idx, idx_lo, idx_hi;
2255	char buf[MAXSTRLEN];
2256
2257	if (!master->range) {
2258	sprintf(buf, "%s=%s ",
2259	master->name,
2260	instance->expr->term->name->name);
2261	} else {
2262	char tmp[MAXSTRLEN];
2263
2264	buf[0] = '\0';
2265	idx_lo = vl_eval_expr(master->range->left);
2266	if (master->range->right)
2267	idx_hi = vl_eval_expr(master->range->right);
2268	else
2269	idx_hi = idx_lo;
2270
2271	for (idx=idx_lo; idx<=idx_hi; idx++) {
2272	sprintf(tmp, "%s%s%d%s=%s%s%d%s ",
2273	master->name, SEP_LARRAY, idx, SEP_RARRAY,
2274	instance->expr->term->name->name,
2275	SEP_LARRAY, idx, SEP_RARRAY);
2276	strcat(buf, tmp);
2277	}
2278	}
2279
2280	if (file) fprintf(file, "%s", buf);
2281	if (outstr) sprintf(outstr, "%s", buf);
2282	}
2283
2284
2285	void put_bin_scalar_port_connect(FILE file, char outstr,
2286	vl_id_range *master,
2287	vl_port_connect *instance)
2288	{
2289	int idx, idx_lo, idx_hi;
2290	char buf[MAXSTRLEN];
2291
2292	if (instance->expr->term->lo > instance->expr->term->hi){
2293	if (!master->range) {
2294	sprintf(buf, "%s=%s ",
2295	master->name,
2296	instance->expr->term->name->name);
2297	} else {
2298	char tmp[MAXSTRLEN];
2299
2300	buf[0] = '\0';
2301	idx_lo = vl_eval_expr(master->range->left);
2302	if (master->range->right)
2303	idx_hi = vl_eval_expr(master->range->right);
2304	else
2305	idx_hi = idx_lo;
2306
2307	for (idx=idx_lo; idx<=idx_hi; idx++) {
2308	sprintf(tmp, "%s%s%d%s=%s%s%d%s ",
2309	master->name,
2310	SEP_LARRAY, idx, SEP_RARRAY,
2311	instance->expr->term->name->name,
2312	SEP_LARRAY, idx, SEP_RARRAY);
2313	strcat(buf, tmp);
2314	}
2315	}
2316	} else {
2317	if (!master->range) {
2318	sprintf(buf, "%s=%s%s%d%s ",
2319	master->name,
2320	instance->expr->term->name->name,
2321	SEP_LBITSELECT,
2322	instance->expr->term->lo,
2323	SEP_RBITSELECT);
2324	} else {
2325	char tmp[MAXSTRLEN];
2326
2327	buf[0] = '\0';
2328	idx_lo = vl_eval_expr(master->range->left);
2329	if (master->range->right)
2330	idx_hi = vl_eval_expr(master->range->right);
2331	else
2332	idx_hi = idx_lo;
2333
2334	for (idx=idx_lo; idx<=idx_hi; idx++) {
2335	sprintf(tmp, "%s%s%d%s=%s%s%d%s%s%d%s ",
2336	master->name,
2337	SEP_LARRAY, idx, SEP_RARRAY,
2338	instance->expr->term->name->name,
2339	SEP_LARRAY, idx, SEP_RARRAY,
2340	SEP_LBITSELECT,
2341	instance->expr->term->lo,
2342	SEP_RBITSELECT);
2343	strcat(buf, tmp);
2344	}
2345	}
2346	}
2347
2348	if (file) fprintf(file, "%s", buf);
2349	if (outstr) sprintf(outstr, "%s", buf);
2350	}
2351
2352
2353	void put_bin_vector_port_connect(FILE file, char outstr,
2354	vl_id_range *master,
2355	vl_port_connect *instance)
2356	{
2357	int sig_lo;
2358	int lo, hi;
2359	int idx, idx_lo, idx_hi;
2360	int i;
2361	char buf[MAXSTRLEN];
2362
2363	get_hilo(master, &hi, &lo);
2364	sig_lo = instance->expr->term->lo;
2365
2366	if (!master->range) {
2367	char tmp[MAXSTRLEN];
2368
2369	buf[0] = '\0';
2370	for (i=lo; i<=hi; i++) {
2371	char mast_buf[MAXSTRLEN];
2372	char inst_buf[MAXSTRLEN];
2373
2374	sprintf(mast_buf, "%s%s%d%s", master->name,
2375	SEP_LBITSELECT, i, SEP_RBITSELECT);
2376	sprintf(inst_buf, "%s%s%d%s",
2377	instance->expr->term->name->name,
2378	SEP_LBITSELECT,sig_lo-lo+i,SEP_RBITSELECT);
2379	sprintf(tmp, "%s=%s ", mast_buf, inst_buf);
2380	strcat(buf, tmp);
2381	}
2382	} else {
2383	idx_lo = vl_eval_expr(master->range->left);
2384	if (master->range->right)
2385	idx_hi = vl_eval_expr(master->range->right);
2386	else
2387	idx_hi = idx_lo;
2388
2389	{
2390	char tmp[MAXSTRLEN];
2391
2392	buf[0] = '\0';
2393	for (idx=idx_lo; idx<=idx_hi; idx++) {
2394	for (i=lo; i<=hi; i++) {
2395	char mast_buf[MAXSTRLEN];
2396	char inst_buf[MAXSTRLEN];
2397
2398	sprintf(mast_buf, "%s%s%d%s%s%d%s", master->name,
2399	SEP_LARRAY, idx, SEP_RARRAY,
2400	SEP_LBITSELECT, i, SEP_RBITSELECT);
2401	sprintf(inst_buf, "%s%s%d%s%s%d%s",
2402	instance->expr->term->name->name,
2403	SEP_LARRAY, idx, SEP_RARRAY,
2404	SEP_LBITSELECT,
2405	sig_lo-lo+i,
2406	SEP_RBITSELECT);
2407	sprintf(tmp, "%s=%s ", mast_buf, inst_buf);
2408	strcat(buf, tmp);
2409	}
2410	}
2411	}
2412	}
2413
2414	if (file) fprintf(file, "%s", buf);
2415	if (outstr) sprintf(outstr, "%s", buf);
2416	}
2417
2418
2419	void put_bin_scalar_func_connect(FILE file, vl_id_range master,
2420	vl_term *instance)
2421	{
2422	int idx, idx_lo, idx_hi;
2423
2424	if (instance->lo > instance->hi){
2425	if (!master->range) {
2426	fprintf(file, "%s=%s ",
2427	master->name,
2428	instance->name->name);
2429	} else {
2430	idx_lo = vl_eval_expr(master->range->left);
2431	if (master->range->right)
2432	idx_hi = vl_eval_expr(master->range->right);
2433	else
2434	idx_hi = idx_lo;
2435
2436	for (idx=idx_lo; idx<=idx_hi; idx++) {
2437	fprintf(file, "%s%s%d%s=%s%s%d%s ",
2438	master->name,
2439	SEP_LARRAY, idx, SEP_RARRAY,
2440	instance->name->name,
2441	SEP_LARRAY, idx, SEP_RARRAY);
2442	}
2443	}
2444	} else {
2445	if (!master->range) {
2446	fprintf(file, "%s=%s%s%d%s ",
2447	master->name,
2448	instance->name->name,
2449	SEP_LBITSELECT,
2450	instance->lo,
2451	SEP_RBITSELECT);
2452	} else {
2453	idx_lo = vl_eval_expr(master->range->left);
2454	if (master->range->right)
2455	idx_hi = vl_eval_expr(master->range->right);
2456	else
2457	idx_hi = idx_lo;
2458
2459	for (idx=idx_lo; idx<=idx_hi; idx++) {
2460	fprintf(file, "%s%s%d%s=%s%s%d%s%s%d%s ",
2461	master->name,
2462	SEP_LARRAY, idx, SEP_RARRAY,
2463	instance->name->name,
2464	SEP_LARRAY, idx, SEP_RARRAY,
2465	SEP_LBITSELECT,
2466	instance->lo,
2467	SEP_RBITSELECT);
2468	}
2469	}
2470	}
2471	}
2472
2473
2474	void put_bin_vector_func_connect(FILE file, vl_id_range master,
2475	vl_term *instance)
2476	{
2477	int sig_lo;
2478	int lo, hi;
2479	int idx, idx_lo, idx_hi;
2480	int i;
2481
2482	get_hilo(master, &hi, &lo);
2483	sig_lo = instance->lo;
2484
2485	if (!master->range) {
2486	for (i=lo; i<=hi; i++) {
2487	char mast_buf[MAXSTRLEN];
2488	char inst_buf[MAXSTRLEN];
2489
2490	sprintf(mast_buf, "%s%s%d%s", master->name,
2491	SEP_LBITSELECT, i, SEP_RBITSELECT);
2492	sprintf(inst_buf, "%s%s%d%s",
2493	instance->name->name,
2494	SEP_LBITSELECT,sig_lo-lo+i,SEP_RBITSELECT);
2495	fprintf(file, "%s=%s ", mast_buf, inst_buf);
2496	}
2497	} else {
2498	idx_lo = vl_eval_expr(master->range->left);
2499	if (master->range->right)
2500	idx_hi = vl_eval_expr(master->range->right);
2501	else
2502	idx_hi = idx_lo;
2503
2504	for (idx=idx_lo; idx<=idx_hi; idx++) {
2505	for (i=lo; i<=hi; i++) {
2506	char mast_buf[MAXSTRLEN];
2507	char inst_buf[MAXSTRLEN];
2508
2509	sprintf(mast_buf, "%s%s%d%s%s%d%s", master->name,
2510	SEP_LARRAY, idx, SEP_RARRAY,
2511	SEP_LBITSELECT, i, SEP_RBITSELECT);
2512	sprintf(inst_buf, "%s%s%d%s%s%d%s",
2513	instance->name->name,
2514	SEP_LARRAY, idx, SEP_RARRAY,
2515	SEP_LBITSELECT,
2516	sig_lo-lo+i,
2517	SEP_RBITSELECT);
2518	fprintf(file, "%s=%s ", mast_buf, inst_buf);
2519	}
2520	}
2521	}
2522	}
2523
2524
2525	char write_red_op(FILE file, short type, vl_term in1, vl_term in2, vl_term *out)
2526	{
2527	int bpos;
2528	char *ripple=NIL(char);
2529
2530	fprintf(file, ".names ");
2531	for (bpos=in1->lo; bpos<=in1->hi; bpos++) {
2532	fprintf(file, "%s%s%d%s ", in1->name->name,
2533	SEP_LBITSELECT, bpos, SEP_RBITSELECT);
2534	}
2535
2536	fprintf(file, "%s\n", out->name->name);
2537
2538	if (set_notation) {
2539	fprintf(file, "%s %c\n", HSIS_DEFAULT,
2540	(type==UnorExpr\|\|type==UandExpr)?'0':'1');
2541	for (bpos=in1->lo; bpos<=in1->hi; bpos++) {
2542	fprintf(file, "%c ",
2543	(type==UorExpr\|\|type==UnorExpr)?'0':'1');
2544	}
2545	fprintf(file, "%c\n",
2546	(type==UnorExpr\|\|type==UandExpr)?'1':'0');
2547	} else {
2548	for (bpos=in1->lo; bpos<=in1->hi; bpos++) {
2549	int i;
2550	for (i=in1->lo; i<=in1->hi; i++) {
2551	fprintf(file, "%c ",
2552	(i==bpos)?
2553	((type==UorExpr\|\|type==UnorExpr)?'1':'0'):'-');
2554	}
2555	fprintf(file, "%c\n",
2556	(type==UorExpr\|\|type==UnandExpr)?'1':'0');
2557	}
2558	for (bpos=in1->lo; bpos<=in1->hi; bpos++) {
2559	fprintf(file, "%c ",
2560	(type==UorExpr\|\|type==UnorExpr)?'0':'1');
2561	}
2562	fprintf(file, "%c\n",
2563	(type==UorExpr\|\|type==UnandExpr)?'0':'1');
2564	}
2565
2566	in2 = in2;
2567
2568	return ripple;
2569	}
2570
2571
2572
2573	char write_rel_vector_bop(FILE file, short type, vl_term in1, vl_term in2, vl_term *out)
2574	{
2575	int bpos;
2576	vl_term *tmpterm;
2577	char term1[MAXSTRLEN], term2[MAXSTRLEN], outerm[MAXSTRLEN];
2578	char *ripple=NIL(char);
2579
2580
2581	tmpterm = create_rename_term(out->name, new_termname(), out->lo, out->hi);
2582	out->lo = 0;
2583	out->hi = -1;
2584
2585	if (in1->lo > in1->hi && in2->lo > in2->hi) {
2586
2587	ripple = vl_write_bop(file, type,
2588	in1->name->name, in2->name->name, NIL(char),
2589	tmpterm->name->name,
2590	!IS_VLR_REL_OP(type));
2591	if (IS_VLR_REL_OP(type))
2592	postprocess_vlr_rel(file, type, ripple, tmpterm, out);
2593	} else if (in1->lo > in1->hi && in2->lo <= in2->hi) {
2594
2595	char tmpterm_buf[MAXSTRLEN];
2596	if (tmpterm->lo > tmpterm->hi)
2597	sprintf(tmpterm_buf, "%s", tmpterm->name->name);
2598	else
2599	sprintf(tmpterm_buf, "%s%s%d%s", tmpterm->name->name,
2600	SEP_LBITSELECT, tmpterm->lo, SEP_RBITSELECT);
2601	sprintf(term2, "%s%s%d%s", in2->name->name,
2602	SEP_LBITSELECT, in2->lo, SEP_RBITSELECT);
2603	ripple = vl_write_bop(file, type,
2604	in1->name->name, term2, NIL(char),
2605	tmpterm_buf,
2606	!IS_VLR_REL_OP(type));
2607
2608	for (bpos=in2->lo+1; bpos<=in2->hi; bpos++) {
2609	sprintf(term2, "%s%s%d%s", in2->name->name,
2610	SEP_LBITSELECT, bpos, SEP_RBITSELECT);
2611	sprintf(tmpterm_buf, "%s%s%d%s",
2612	tmpterm->name->name,
2613	SEP_LBITSELECT,
2614	tmpterm->lo+(bpos-in2->lo),
2615	SEP_RBITSELECT);
2616	vl_write_bit_connect(file, term2, tmpterm_buf, 0);
2617	}
2618	if (IS_VLR_REL_OP(type))
2619	postprocess_vlr_rel(file, type, ripple, tmpterm, out);
2620	} else if (in1->lo <= in1->hi && in2->lo > in2->hi) {
2621
2622	char tmpterm_buf[MAXSTRLEN];
2623	if (tmpterm->lo > tmpterm->hi)
2624	sprintf(tmpterm_buf, "%s", tmpterm->name->name);
2625	else
2626	sprintf(tmpterm_buf, "%s%s%d%s", tmpterm->name->name,
2627	SEP_LBITSELECT, tmpterm->lo, SEP_RBITSELECT);
2628	sprintf(term1, "%s%s%d%s", in1->name->name,
2629	SEP_LBITSELECT, in1->lo, SEP_RBITSELECT);
2630	ripple = vl_write_bop(file, type,
2631	term1, in2->name->name, NIL(char),
2632	tmpterm_buf,
2633	!IS_VLR_REL_OP(type));
2634
2635	for (bpos=in1->lo+1; bpos<=in1->hi; bpos++) {
2636	sprintf(term1, "%s%s%d%s", in1->name->name,
2637	SEP_LBITSELECT, bpos, SEP_RBITSELECT);
2638	sprintf(tmpterm_buf, "%s%s%d%s",
2639	tmpterm->name->name,
2640	SEP_LBITSELECT,
2641	tmpterm->lo+(bpos-in1->lo),
2642	SEP_RBITSELECT);
2643	vl_write_bit_connect(file, term1, tmpterm_buf, 0);
2644	}
2645	if (IS_VLR_REL_OP(type))
2646	postprocess_vlr_rel(file, type, ripple, tmpterm, out);
2647	} else {
2648
2649	for (bpos=tmpterm->lo, ripple=NIL(char); bpos<=tmpterm->hi; bpos++) {
2650	if (bpos > in1->hi-in1->lo)
2651	sprintf(term1, "%s", WRT_BLIF_GND(file));
2652	else
2653	sprintf(term1, "%s%s%d%s",
2654	in1->name->name,
2655	SEP_LBITSELECT, in1->lo+bpos, SEP_RBITSELECT);
2656	if (bpos > in2->hi-in2->lo)
2657	sprintf(term2, "%s", WRT_BLIF_GND(file));
2658	else
2659	sprintf(term2, "%s%s%d%s",
2660	in2->name->name,
2661	SEP_LBITSELECT, in2->lo+bpos, SEP_RBITSELECT);
2662	sprintf(outerm, "%s%s%d%s",
2663	tmpterm->name->name,
2664	SEP_LBITSELECT, tmpterm->lo+bpos, SEP_RBITSELECT);
2665	ripple = vl_write_bop(file, type, term1, term2, ripple, outerm,
2666	!IS_VLR_REL_OP(type));
2667	}
2668	if (IS_VLR_REL_OP(type))
2669	postprocess_vlr_rel(file, type, ripple, tmpterm, out);
2670	}
2671
2672	vl_chk_free((char*)tmpterm);
2673
2674	return ripple;
2675	}
2676
2677
2678	char write_op_vector_bop(FILE file, short type, vl_term in1, vl_term in2, vl_term *out)
2679	{
2680	int bpos;
2681	char term1[MAXSTRLEN], term2[MAXSTRLEN], outerm[MAXSTRLEN];
2682	char *ripple = NIL(char);
2683
2684
2685	if (in1->lo > in1->hi && in2->lo > in2->hi) {
2686
2687	if ((vector_width(in1->lo, in1->hi) <
2688	vector_width(out->lo, out->hi)) &&
2689	(vector_width(in2->lo, in2->hi) <
2690	vector_width(out->lo, out->hi))) {
2691	sprintf(outerm, "%s%s%d%s",
2692	out->name->name,
2693	SEP_LBITSELECT,
2694	out->lo,
2695	SEP_RBITSELECT);
2696	ripple = vl_write_bop(file, type,
2697	in1->name->name, in2->name->name,
2698	NIL(char),
2699	outerm, 0);
2700	sprintf(outerm, "%s%s%d%s",
2701	out->name->name,
2702	SEP_LBITSELECT,
2703	out->lo+1,
2704	SEP_RBITSELECT);
2705	vl_write_bit_connect(file, ripple, outerm, 0);
2706	} else {
2707	ripple = vl_write_bop(file, type,
2708	in1->name->name, in2->name->name,
2709	NIL(char),
2710	out->name->name, 0);
2711	}
2712	} else if (in1->lo > in1->hi && in2->lo <= in2->hi) {
2713
2714	sprintf(term2, "%s%s%d%s", in2->name->name,
2715	SEP_LBITSELECT, in2->lo, SEP_RBITSELECT);
2716	sprintf(outerm, "%s%s%d%s", out->name->name,
2717	SEP_LBITSELECT, out->lo, SEP_RBITSELECT);
2718	ripple = vl_write_bop(file, type,
2719	in1->name->name,term2,NIL(char),outerm, 0);
2720
2721	if (IS_VLR_LOG_OP(type)) {
2722	sprintf(term2, "%s", WRT_BLIF_GND(file));
2723	for (bpos=in1->lo+1; bpos<=in1->hi; bpos++) {
2724	sprintf(outerm, "%s%s%d%s",
2725	out->name->name,
2726	SEP_LBITSELECT,
2727	out->lo+(bpos-in2->lo),
2728	SEP_RBITSELECT);
2729	vl_write_bit_connect(file, term2, outerm, 0);
2730	}
2731	} else {
2732	for (bpos=in2->lo+1; bpos<=in2->hi; bpos++) {
2733	sprintf(term2, "%s%s%d%s", in2->name->name,
2734	SEP_LBITSELECT, bpos, SEP_RBITSELECT);
2735	sprintf(outerm, "%s%s%d%s",
2736	out->name->name,
2737	SEP_LBITSELECT,
2738	out->lo+(bpos-in2->lo),
2739	SEP_RBITSELECT);
2740	if (type == BplusExpr \|\| type == BminusExpr) {
2741	ripple = vl_write_bop(file, type,
2742	term2,ripple,NIL(char),outerm,0);
2743	} else {
2744	vl_write_bit_connect(file, term2, outerm, 0);
2745	}
2746	}
2747	}
2748
2749	if ((vector_width(in1->lo, in1->hi) <
2750	vector_width(out->lo, out->hi)) &&
2751	(vector_width(in2->lo, in2->hi) <
2752	vector_width(out->lo, out->hi))) {
2753	sprintf(outerm, "%s%s%d%s",
2754	out->name->name,
2755	SEP_LBITSELECT,
2756	bpos,
2757	SEP_RBITSELECT);
2758	vl_write_bit_connect(file, ripple, outerm, 0);
2759	}
2760	} else if (in1->lo <= in1->hi && in2->lo > in2->hi) {
2761
2762	sprintf(term1, "%s%s%d%s", in1->name->name,
2763	SEP_LBITSELECT, in1->lo, SEP_RBITSELECT);
2764	sprintf(outerm, "%s%s%d%s", out->name->name,
2765	SEP_LBITSELECT, out->lo, SEP_RBITSELECT);
2766	ripple = vl_write_bop(file, type,
2767	term1,in2->name->name,NIL(char),outerm, 0);
2768
2769	if (IS_VLR_LOG_OP(type)) {
2770	sprintf(term1, "%s", WRT_BLIF_GND(file));
2771	for (bpos=in1->lo+1; bpos<=in1->hi; bpos++) {
2772	sprintf(outerm, "%s%s%d%s", out->name->name,
2773	SEP_LBITSELECT,
2774	out->lo+(bpos-in1->lo),
2775	SEP_RBITSELECT);
2776	vl_write_bit_connect(file, term1, outerm, 0);
2777	}
2778	} else {
2779	for (bpos=in1->lo+1; bpos<=in1->hi; bpos++) {
2780	sprintf(term1, "%s%s%d%s", in1->name->name,
2781	SEP_LBITSELECT, bpos, SEP_RBITSELECT);
2782	sprintf(outerm, "%s%s%d%s",
2783	out->name->name,
2784	SEP_LBITSELECT,
2785	out->lo+(bpos-in1->lo),
2786	SEP_RBITSELECT);
2787	if (type == BplusExpr \|\| type == BminusExpr) {
2788	ripple = vl_write_bop(file, type,
2789	term1,ripple,NIL(char),outerm,0);
2790	} else {
2791	vl_write_bit_connect(file, term1, outerm, 0);
2792	}
2793	}
2794	}
2795
2796	if ((vector_width(in1->lo, in1->hi) <
2797	vector_width(out->lo, out->hi)) &&
2798	(vector_width(in2->lo, in2->hi) <
2799	vector_width(out->lo, out->hi))) {
2800	sprintf(outerm, "%s%s%d%s",
2801	out->name->name,
2802	SEP_LBITSELECT,
2803	bpos,
2804	SEP_RBITSELECT);
2805	vl_write_bit_connect(file, ripple, outerm, 0);
2806	}
2807	} else {
2808
2809	for (bpos=out->lo, ripple=NIL(char); bpos<=out->hi; bpos++) {
2810	if (RIPPLE_INTERFERE(type)) {
2811	if (bpos-out->lo <=
2812	MIN(in1->hi-in1->lo,in2->hi-in2->lo)) {
2813	sprintf(term1, "%s%s%d%s",
2814	in1->name->name,
2815	SEP_LBITSELECT, in1->lo+bpos, SEP_RBITSELECT);
2816	sprintf(term2, "%s%s%d%s",
2817	in2->name->name,
2818	SEP_LBITSELECT, in2->lo+bpos, SEP_RBITSELECT);
2819	sprintf(outerm, "%s%s%d%s",
2820	out->name->name,
2821	SEP_LBITSELECT, out->lo+bpos, SEP_RBITSELECT);
2822	ripple =
2823	vl_write_bop(file, type, term1, term2, ripple,
2824	outerm, (bpos==out->hi));
2825	} else if (bpos-out->lo ==
2826	MIN(in1->hi-in1->lo,in2->hi-in2->lo)+1) {
2827	sprintf(outerm, "%s%s%d%s",
2828	out->name->name,
2829	SEP_LBITSELECT, out->lo+bpos, SEP_RBITSELECT);
2830	fprintf(file, ".names %s %s\n1 1\n0 0\n",
2831	ripple, outerm);
2832	} else {
2833	sprintf(outerm, "%s%s%d%s",
2834	out->name->name,
2835	SEP_LBITSELECT, out->lo+bpos, SEP_RBITSELECT);
2836	fprintf(file, ".names %s\n0\n", outerm);
2837	}
2838	} else {
2839	if (bpos-out->lo <=
2840	MIN(in1->hi-in1->lo,in2->hi-in2->lo)) {
2841	sprintf(term1, "%s%s%d%s",
2842	in1->name->name,
2843	SEP_LBITSELECT, in1->lo+bpos, SEP_RBITSELECT);
2844	sprintf(term2, "%s%s%d%s",
2845	in2->name->name,
2846	SEP_LBITSELECT, in2->lo+bpos, SEP_RBITSELECT);
2847	sprintf(outerm, "%s%s%d%s",
2848	out->name->name,
2849	SEP_LBITSELECT, out->lo+bpos, SEP_RBITSELECT);
2850	ripple =
2851	vl_write_bop(file, type, term1, term2, ripple,
2852	outerm, (bpos==out->hi));
2853	} else {
2854	if (bpos-out->lo <= in1->hi-in1->lo) {
2855	sprintf(term1, "%s%s%d%s",
2856	in1->name->name,
2857	SEP_LBITSELECT, in1->lo+bpos,
2858	SEP_RBITSELECT);
2859	sprintf(outerm, "%s%s%d%s",
2860	out->name->name,
2861	SEP_LBITSELECT, out->lo+bpos,
2862	SEP_RBITSELECT);
2863	fprintf(file, ".names %s %s\n0 0\n1 1\n",
2864	term1, outerm);
2865	} else if (bpos-out->lo <= in2->hi-in2->lo) {
2866	sprintf(term2, "%s%s%d%s",
2867	in2->name->name,
2868	SEP_LBITSELECT, in2->lo+bpos,
2869	SEP_RBITSELECT);
2870	sprintf(outerm, "%s%s%d%s",
2871	out->name->name,
2872	SEP_LBITSELECT, out->lo+bpos,
2873	SEP_RBITSELECT);
2874	fprintf(file, ".names %s %s\n0 0\n1 1\n",
2875	term2, outerm);
2876	} else {
2877	sprintf(outerm, "%s%s%d%s",
2878	out->name->name,
2879	SEP_LBITSELECT, out->lo+bpos,
2880	SEP_RBITSELECT);
2881	fprintf(file, ".names %s\n0\n", outerm);
2882	}
2883	}
2884	}
2885	}
2886	}
2887
2888	return ripple;
2889	}
2890
2891
2892	static void postprocess_vlr_rel(FILE file, short type, char carry,
2893	vl_term results, vl_term out)
2894	{
2895	char *tmp_termname;
2896	vl_term *zero_term;
2897
2898	switch(type) {
2899	case BltExpr:
2900
2901	zero_term = new_term(NIL(vl_range), 0, -1);
2902	if (results->hi < results->lo)
2903	vl_write_bit_connect(file,
2904	results->name->name, zero_term->name->name, 0);
2905	else
2906	vl_write_vector_bop(file, UorExpr,
2907	results, NIL(vl_term), zero_term);
2908	vl_write_bop(file, BandExpr, carry, zero_term->name->name, NIL(char),
2909	out->name->name, 1);
2910	break;
2911	case BgtExpr:
2912
2913	zero_term = new_term(NIL(vl_range), 0, -1);
2914	if (results->hi < results->lo)
2915	vl_write_bit_connect(file,
2916	results->name->name, zero_term->name->name, 1);
2917	else
2918	vl_write_vector_bop(file, UnorExpr,
2919	results, NIL(vl_term), zero_term);
2920	tmp_termname = new_termname();
2921	vl_write_bop(file, BorExpr, carry, zero_term->name->name, NIL(char),
2922	tmp_termname, 1);
2923	vl_write_bit_connect(file, tmp_termname, out->name->name, 1);
2924	break;
2925	case BleExpr:
2926
2927	zero_term = new_term(NIL(vl_range), 0, -1);
2928	if (results->hi < results->lo)
2929	vl_write_bit_connect(file,
2930	results->name->name, zero_term->name->name, 1);
2931	else
2932	vl_write_vector_bop(file, UnorExpr,
2933	results, NIL(vl_term), zero_term);
2934	vl_write_bop(file, BorExpr, carry, zero_term->name->name, NIL(char),
2935	out->name->name, 1);
2936	break;
2937	case BgeExpr:
2938
2939	zero_term = new_term(NIL(vl_range), 0, -1);
2940	if (results->hi < results->lo)
2941	vl_write_bit_connect(file,
2942	results->name->name, zero_term->name->name, 0);
2943	else
2944	vl_write_vector_bop(file, UorExpr,
2945	results, NIL(vl_term), zero_term);
2946	tmp_termname = new_termname();
2947	vl_write_bop(file, BandExpr, carry, zero_term->name->name, NIL(char),
2948	tmp_termname, 1);
2949	vl_write_bit_connect(file, tmp_termname, out->name->name, 1);
2950	break;
2951	}
2952	}
2953
2954
2955	vl_port search_match_port(char name, lsList ports)
2956	{
2957	lsGen gen;
2958	lsHandle handle;
2959	vl_port retval=NIL(vl_port), port;
2960	lsHandle port_handle;
2961	vl_id_range *id;
2962
2963	gen = lsStart(ports);
2964	while (lsNext(gen, (lsGeneric*)&port, &handle)!=LS_NOMORE) {
2965	lsFirstItem(port->port_exp, (lsGeneric*)&id, &port_handle);
2966	if (!strcmp(name, id->name)) {
2967	retval = port;
2968	break;
2969	}
2970	}
2971	lsFinish(gen);
2972
2973	return retval;
2974	}
2975
2976
2977	vl_port_connect search_inst_port(char name, lsList ports)
2978	{
2979	lsGen gen;
2980	lsHandle handle;
2981	vl_port_connect retval=NIL(vl_port_connect), port;
2982
2983	gen = lsStart(ports);
2984	while (lsNext(gen, (lsGeneric*)&port, &handle)!=LS_NOMORE) {
2985	if (!strcmp(name, port->id->name)) {
2986	retval = port;
2987	break;
2988	}
2989	}
2990	lsFinish(gen);
2991
2992	return retval;
2993	}
2994
2995
2996
2997	char *vl_translate_prim_symbol(unsigned char sym)
2998	{
2999	char buf[MAXSTRLEN];
3000
3001	switch(sym) {
3002	case PrimNone: return("");
3003	case Prim0: return("0");
3004	case Prim1: return("1");
3005	case PrimX: return("-");
3006	case PrimQ: return("-");
3007	case PrimB: return("-");
3008	case PrimM: return("-");
3009	case PrimR: return("0 1");
3010	case PrimF: return("1 0");
3011	case PrimS: return("- -");
3012	case PrimBB: return("- -");
3013	case PrimQ0: return("- 0");
3014	case PrimQ1: return("- 1");
3015	case PrimQB: return("- -");
3016	case Prim0X: return("0 -");
3017	case Prim1X: return("1 -");
3018	case PrimX0: return("- 0");
3019	case PrimX1: return("- 1");
3020	case PrimXB: return("- -");
3021	case PrimBX: return("- -");
3022	case PrimP: sprintf(buf, "P");
3023	case PrimN: sprintf(buf, "N");
3024	strcat(buf, " :: can not be handled yet");
3025	Translate_Warning(buf);
3026	return("");
3027	default: {
3028	char msg[MAXSTRLEN];
3029	sprintf(msg, "Unexpected primitive symbol type %d", sym);
3030	internal_error(msg); return(NULL);
3031	}
3032	}
3033	}
3034
3035	vl_term sensitive_control(FILE file, st_table *sensitive_list)
3036	{
3037	vl_term *retval;
3038	st_generator *gen;
3039	char key, dummy;
3040	vl_id_range *id_sym;
3041	int i, j;
3042	int lo, hi;
3043	int ithItem;
3044
3045	retval = new_term(NIL(vl_range), 0, -1);
3046	fprintf(file, ".names ");
3047	ithItem = 0;
3048	gen = st_init_gen(sensitive_list);
3049	while (st_gen(gen, &key, &dummy)) {
3050	if (!st_lookup(vl_currentModule->sig_st, key, (char**)&id_sym)) {
3051	char buf[MAXSTRLEN];
3052
3053	sprintf(buf, "sensitive var:%s is not defined in module %s",
3054	key, vl_currentModule->name->name);
3055	semantic_error(buf);
3056	}
3057
3058	get_hilo(id_sym, &hi, &lo);
3059	if (lo < hi \|\| id_sym->range) {
3060	char buf[MAXSTRLEN];
3061
3062	sprintf(buf, "%s is vector/array while as sensitive var in %s",
3063	key, vl_currentModule->name->name);
3064	semantic_error(buf);
3065	}
3066
3067	fprintf(file, "%s ", key);
3068	}
3069	st_free_gen(gen);
3070	fprintf(file, "%s\n", retval->name->name);
3071
3072	for (i=0; i<st_count(sensitive_list); i++) {
3073	for (j=0; j<st_count(sensitive_list); j++)
3074	fprintf(file, "%c ", (i==j)?'1':'-');
3075	fprintf(file, "1\n");
3076	}
3077	for (i=0; i<st_count(sensitive_list); i++)
3078	fprintf(file, "0 ");
3079	fprintf(file, "0\n");
3080
3081	return retval;
3082	}
3083
3084
3085	void patch_unaffected_term(FILE file, vl_id_range id_sym,
3086	vl_term *orig_term,
3087	vl_term *out_term)
3088	{
3089	int i;
3090	int set_floating = 0;
3091
3092	if (orig_term->lo == out_term->lo && orig_term->hi == out_term->hi)
3093	return;
3094	if (orig_term->lo >= orig_term->hi && out_term->lo >= out_term->hi)
3095	return;
3096
3097	if (vl_currentFunction)
3098	if (!strcmp(id_sym->name, orig_term->name->name))
3099	set_floating = 1;
3100
3101	if (set_floating) {
3102	for (i=orig_term->lo; i<out_term->lo; i++) {
3103	fprintf(file, ".names %s%s%d%s\n-\n",
3104	out_term->name->name,
3105	SEP_LBITSELECT, i, SEP_RBITSELECT);
3106	}
3107
3108	for (i=out_term->hi+1; i<=orig_term->hi; i++) {
3109	fprintf(file, ".names %s%s%d%s\n-\n",
3110	out_term->name->name,
3111	SEP_LBITSELECT, i, SEP_RBITSELECT);
3112	}
3113	} else {
3114
3115	for (i=orig_term->lo; i<out_term->lo; i++) {
3116	if (set_notation) {
3117	fprintf(file,".names %s%s%d%s %s%s%d%s\n- %s%s%s%d%s\n",
3118	orig_term->name->name,
3119	SEP_LBITSELECT, i, SEP_RBITSELECT,
3120	out_term->name->name,
3121	SEP_LBITSELECT, i, SEP_RBITSELECT,
3122	HSIS_EQUAL,
3123	orig_term->name->name,
3124	SEP_LBITSELECT, i, SEP_RBITSELECT);
3125	} else {
3126	fprintf(file, ".names %s%s%d%s %s%s%d%s\n1 1\n0 0\n",
3127	orig_term->name->name,
3128	SEP_LBITSELECT, i, SEP_RBITSELECT,
3129	out_term->name->name,
3130	SEP_LBITSELECT, i, SEP_RBITSELECT);
3131	}
3132	}
3133
3134	for (i=out_term->hi+1; i<=orig_term->hi; i++) {
3135	if (set_notation) {
3136	fprintf(file,".names %s%s%d%s %s%s%d%s\n- %s%s%s%d%s\n",
3137	orig_term->name->name,
3138	SEP_LBITSELECT, i, SEP_RBITSELECT,
3139	out_term->name->name,
3140	SEP_LBITSELECT, i, SEP_RBITSELECT,
3141	HSIS_EQUAL,
3142	orig_term->name->name,
3143	SEP_LBITSELECT, i, SEP_RBITSELECT);
3144	} else {
3145	fprintf(file, ".names %s%s%d%s %s%s%d%s\n1 1\n0 0\n",
3146	orig_term->name->name,
3147	SEP_LBITSELECT, i, SEP_RBITSELECT,
3148	out_term->name->name,
3149	SEP_LBITSELECT, i, SEP_RBITSELECT);
3150	}
3151	}
3152	}
3153
3154	out_term->lo = orig_term->lo;
3155	out_term->hi = orig_term->hi;
3156	}
3157
3158	int need_edge_detector(lsList table_entries, int ith_port)
3159	{
3160	int retval=0;
3161	lsGen gen;
3162	lsHandle handle;
3163	vl_prim_entry *e;
3164
3165	for (gen=lsStart(table_entries);
3166	lsNext(gen, (lsGeneric*)&e, &handle) != LS_NOMORE; ) {
3167	register unsigned char sym;
3168	sym = e->inputs[ith_port];
3169	if (IS_TRANSITION(sym)) {
3170	retval = 1;
3171	break;
3172	}
3173	}
3174	(void)lsFinish(gen);
3175
3176	return retval;
3177	}
3178
3179
3180	void dump_debug_information(FILE file, vl_id_range id_var,
3181	vl_term *current_term, int lineno,
3182	lsList ctrl_list, char *ctrl_syndrome)
3183	{
3184	lsGen gen;
3185	lsHandle handle;
3186	vl_term *ctrl;
3187	int i;
3188	char *Comment;
3189
3190	Comment = HSIS_COMMENT;
3191	if (debug_mode) {
3192	if (lineno >= 0) {
3193	fprintf(file, "%s%sl %d%s%s\n",
3194	Comment, Comment,
3195	lineno,
3196	Comment, Comment);
3197	}
3198	fprintf(file, "%s%sv %s.%s%s%s\n",
3199	Comment, Comment,
3200	vl_currentModule->name->name, id_var->name,
3201	Comment, Comment);
3202	for (i=0, gen=lsStart(ctrl_list);
3203	lsNext(gen, (lsGeneric*)&ctrl, &handle)!=LS_NOMORE; i++) {
3204	if (ctrl_syndrome[i] == '-') continue;
3205	if (ctrl_syndrome[i] == '1')
3206	fprintf(file, "%s%sg %s%s%s\n",
3207	Comment, Comment,
3208	ctrl->name->name,
3209	Comment, Comment);
3210	if (ctrl_syndrome[i] == '0')
3211	fprintf(file, "%s%sG %s%s%s\n",
3212	Comment, Comment,
3213	ctrl->name->name,
3214	Comment, Comment);
3215	}
3216	lsFinish(gen);
3217	}
3218
3219	current_term = current_term;
3220	}
3221
3222
3223	int vector_width(int lo, int hi)
3224	{
3225	if (lo > hi) return 1;
3226	return hi - lo + 1;
3227	}
3228
3229
3230	void expand_term(FILE file, vl_term in, vl_term *out)
3231	{
3232	int i;
3233	char in_buf[MAXSTRLEN], out_buf[MAXSTRLEN];
3234	lsList args;
3235
3236	assert(vector_width(in->lo, in->hi) <= vector_width(out->lo, out->hi));
3237
3238	if (vector_width(in->lo, in->hi) == vector_width(out->lo, out->hi)) {
3239	vl_write_bin_connect(file, in, out, 0);
3240	} else {
3241	char buf[MAXSTRLEN];
3242	args = lsCreate();
3243	sprintf(buf, "%d", in->hi-in->lo+1);
3244	lsNewEnd(args, (lsGeneric)vlStrdup(buf), 0);
3245	sprintf(buf, "%d", out->hi-out->lo+1);
3246	lsNewEnd(args, (lsGeneric)vlStrdup(buf), 0);
3247
3248	for (i=out->lo; i<=out->hi; i++) {
3249	if (in->lo > in->hi) {
3250	sprintf(out_buf, "%s%s%d%s", out->name->name,
3251	SEP_LBITSELECT, i, SEP_RBITSELECT);
3252	sprintf(in_buf, "%s",
3253	(i==out->lo)?in->name->name:WRT_BLIF_GND(file));
3254	if (set_notation) {
3255	fprintf(file, ".names %s %s\n- =%s\n",
3256	in_buf, out_buf, in_buf);
3257	} else {
3258	vl_write_bit_connect(file, in_buf, out_buf, 0);
3259	}
3260	} else {
3261	sprintf(out_buf, "%s%s%d%s", out->name->name,
3262	SEP_LBITSELECT, i, SEP_RBITSELECT);
3263	if (i-out->lo <= in->hi-in->lo)
3264	sprintf(in_buf, "%s%s%d%s", in->name->name,
3265	SEP_LBITSELECT, i+in->lo-out->lo, SEP_RBITSELECT);
3266	else
3267	sprintf(in_buf, "%s", WRT_BLIF_GND(file));
3268	if (set_notation) {
3269	fprintf(file, ".names %s %s\n- =%s\n",
3270	in_buf, out_buf, in_buf);
3271	} else {
3272	vl_write_bit_connect(file, in_buf, out_buf, 0);
3273	}
3274	}
3275	}
3276
3277	lsDestroy(args, vl_chk_free);
3278	}
3279	}
3280
3281	void shrink_term(FILE file, vl_term in, vl_term *out)
3282	{
3283	int i;
3284	char in_buf[MAXSTRLEN], out_buf[MAXSTRLEN];
3285	lsList args;
3286
3287	assert(vector_width(in->lo, in->hi) >= vector_width(out->lo, out->hi));
3288
3289	if (vector_width(in->lo, in->hi) == vector_width(out->lo, out->hi)) {
3290	vl_write_bin_connect(file, in, out, 0);
3291	} else {
3292	char buf[MAXSTRLEN];
3293	args = lsCreate();
3294	sprintf(buf, "%d", in->hi-in->lo+1);
3295	lsNewEnd(args, (lsGeneric)vlStrdup(buf), 0);
3296	sprintf(buf, "%d", out->hi-out->lo+1);
3297	lsNewEnd(args, (lsGeneric)vlStrdup(buf), 0);
3298
3299	for (i=in->lo; i<=in->hi; i++) {
3300	if (out->lo > out->hi) {
3301	if (i == in->lo) {
3302	sprintf(out_buf, "%s", out->name->name);
3303	sprintf(in_buf, "%s%s%d%s", in->name->name,
3304	SEP_LARRAY, i, SEP_RARRAY);
3305	if (set_notation) {
3306	fprintf(file, ".names %s %s\n- =%s\n",
3307	in_buf, out_buf, in_buf);
3308	} else {
3309	vl_write_bit_connect(file, in_buf, out_buf, 0);
3310	}
3311	}
3312	} else {
3313	if (i-in->lo <= out->hi-out->lo) {
3314	sprintf(out_buf, "%s%s%d%s", out->name->name,
3315	SEP_LBITSELECT,i+in->lo-out->lo,SEP_RBITSELECT);
3316	sprintf(in_buf, "%s%s%d%s", in->name->name,
3317	SEP_LBITSELECT, i, SEP_RBITSELECT);
3318	if (set_notation) {
3319	fprintf(file, ".names %s %s\n- =%s\n",
3320	in_buf, out_buf, in_buf);
3321	} else {
3322	vl_write_bit_connect(file, in_buf, out_buf, 0);
3323	}
3324	}
3325	}
3326	}
3327
3328	lsDestroy(args, vl_chk_free);
3329	}
3330	}
3331
3332
3333	void subrange_term(FILE file, vl_term in, vl_term *out)
3334	{
3335	}
3336
3337
3338	vl_term vl_write_nond_wire(FILE file, vl_term ctrl_term, lsList nond_list, vl_term reference_term)
3339	{
3340	vl_term *retval;
3341	vl_term *nond_term;
3342	vl_expr *nond_expr;
3343	lsHandle handle;
3344	lsGen gen;
3345	lsList domain;
3346	lsGen enum_gen;
3347	vl_enumerator *enum_elt;
3348	lsHandle enum_handle;
3349	lsList nond_consts, nond_terms;
3350	int num_terms, num_consts;
3351	int i, j, k, l;
3352
3353	retval = typed_new_term(reference_term->term_type, NIL(vl_range),
3354	reference_term->lo, reference_term->hi);
3355	if (vis_nond && rst_ckt) {
3356	char *cp;
3357	cp = (char*)chk_malloc(strlen(reference_term->name->name) +
3358	strlen(retval->name->name) +
3359	2*strlen(SEP_GATEPIN)+strlen(PIN_INITIAL)+1);
3360	sprintf(cp, "%s%s%s%s%s", reference_term->name->name, SEP_GATEPIN,
3361	PIN_INITIAL, SEP_GATEPIN, retval->name->name);
3362	retval->name->name = cp;
3363	}
3364	retval->flag = reference_term->flag;
3365	if (!vis_nond \|\| rst_ckt)
3366	write_var_decl(file, retval);
3367	nond_consts = lsCreate();
3368	nond_terms = lsCreate();
3369	for (gen=lsStart(nond_list), num_terms=0, num_consts=0;
3370	lsNext(gen, (lsGeneric*)&nond_expr, &handle) != LS_NOMORE; ) {
3371	if (ISVLCONST(nond_expr->type)) {
3372
3373	num_consts++;
3374	lsNewEnd(nond_consts, (lsGeneric)nond_expr->u.intval, 0);
3375	} else {
3376
3377	num_terms++;
3378	lsNewEnd(nond_terms, (lsGeneric)nond_expr->term, 0);
3379	}
3380	}
3381	(void)lsFinish(gen);
3382
3383
3384	fprintf(file, ".names ");
3385	for (gen=lsStart(nond_terms);
3386	lsNext(gen, (lsGeneric*)&nond_term, &handle) != LS_NOMORE; ) {
3387	if (reference_term->lo > reference_term->hi \|\|
3388	reference_term->flag & MVar)
3389	if (nond_term->lo > nond_term->hi \|\| reference_term->flag & MVar)
3390	fprintf(file, "%s ", nond_term->name->name);
3391	else
3392	fprintf(file, "%s%s%d%s ", nond_term->name->name,
3393	SEP_LBITSELECT, nond_term->lo, SEP_RBITSELECT);
3394	else {
3395	for (l=reference_term->lo; l<=reference_term->hi; l++)
3396	fprintf(file, "%s%s%d%s ", nond_term->name->name,
3397	SEP_LBITSELECT, l, SEP_RBITSELECT);
3398	}
3399	}
3400	(void)lsFinish(gen);
3401	if (reference_term->lo > reference_term->hi \|\|
3402	reference_term->flag & MVar)
3403	fprintf(file, "%s\n",
3404	nond_output(retval->name->name, reference_term->name->name));
3405	else {
3406	fprintf(file, "%s ", HSIS_ARROW);
3407	for (l=reference_term->lo; l<=reference_term->hi; l++)
3408	fprintf(file, "%s%s%d%s ",
3409	nond_output(retval->name->name,reference_term->name->name),
3410	SEP_LBITSELECT, l, SEP_RBITSELECT);
3411	fprintf(file, "\n");
3412	}
3413
3414
3415
3416	for (gen=lsStart(nond_consts);
3417	lsNext(gen,(lsGeneric*)&k,&handle) != LS_NOMORE; ) {
3418	if (reference_term->lo > reference_term->hi \|\|
3419	reference_term->flag & MVar)
3420	for (j=0; j<num_terms; j++) fprintf(file, "- ");
3421	else
3422	for (l=reference_term->lo; l<=reference_term->hi; l++)
3423	for (j=0; j<num_terms; j++) fprintf(file, "- ");
3424
3425	if (reference_term->flag & MVar) {
3426	domain = reference_term->term_type->specifier->u.enum_type->domain_list;
3427	for (enum_gen = lsStart(domain), i=0;
3428	lsNext(enum_gen, (lsGeneric*)&enum_elt, &enum_handle) !=
3429	LS_NOMORE; i++)
3430	if (k == i) {
3431	fprintf(file, "%s ", enum_elt->name);
3432
3433	}
3434	(void)lsFinish(enum_gen);
3435	} else {
3436	if (reference_term->lo > reference_term->hi) {
3437
3438	fprintf(file, "%d", k);
3439	} else {
3440
3441	for (l=reference_term->lo, j=k; l<=reference_term->hi;
3442	l++, j >>= 1)
3443	fprintf(file, "%d ", j & 0x1);
3444	}
3445	}
3446	fprintf(file, "\n");
3447	}
3448	(void)lsFinish(gen);
3449
3450	for (gen=lsStart(nond_terms), j=0;
3451	lsNext(gen,(lsGeneric*)&nond_term,&handle) != LS_NOMORE; j++) {
3452	if (set_notation \|\| reference_term->lo <= reference_term->hi) {
3453
3454
3455	for (i=0; i<num_terms; i++)
3456	if (reference_term->lo > reference_term->hi \|\|
3457	reference_term->flag & MVar)
3458	fprintf(file, "- ");
3459	else {
3460	for (l=reference_term->lo; l<=reference_term->hi; l++)
3461	fprintf(file, "- ");
3462	}
3463
3464	if (reference_term->lo > reference_term->hi \|\|
3465	reference_term->flag & MVar) {
3466	if (nond_term->lo > nond_term->hi)
3467	fprintf(file, "%s%s\n", HSIS_EQUAL, nond_term->name->name);
3468	else
3469	fprintf(file, "%s%s%s%d%s\n", HSIS_EQUAL,
3470	nond_term->name->name,
3471	SEP_LBITSELECT, nond_term->lo, SEP_RBITSELECT);
3472	} else {
3473	for (l=reference_term->lo; l<=reference_term->hi; l++)
3474	fprintf(file, "%s%s%s%d%s ", HSIS_EQUAL,
3475	nond_term->name->name,
3476	SEP_LBITSELECT,
3477	nond_term->lo-reference_term->lo+l,
3478	SEP_RBITSELECT);
3479	fprintf(file, "\n");
3480	}
3481
3482	} else {
3483
3484
3485	if (reference_term->flag & MVar) {
3486
3487	domain = reference_term->term_type->specifier->u.enum_type->domain_list;
3488	for (enum_gen=lsStart(domain);
3489	lsNext(enum_gen, (lsGeneric*)&enum_elt,
3490	&enum_handle) !=
3491	LS_NOMORE; ) {
3492	for (i=0; i<j; i++) fprintf(file, "- ");
3493	fprintf(file, "%s ", enum_elt->name);
3494	for (i++; i<num_terms; i++) fprintf(file, "- ");
3495	fprintf(file, "%s\n", enum_elt->name);
3496	}
3497	(void)lsFinish(enum_gen);
3498	} else {
3499
3500	}
3501
3502	}
3503	}
3504	(void)lsFinish(gen);
3505
3506	lsDestroy(nond_consts, 0);
3507	lsDestroy(nond_terms, 0);
3508	return retval;
3509	}
3510
3511
3512	void vl_get_minmax_delay(vl_delay delay, vl_expr min_delay, vl_expr *max_delay)
3513	{
3514	lsGen gen;
3515	lsHandle handle;
3516	vl_expr *delayi;
3517	int i;
3518
3519	if (!(delay->delay3 && !delay->delay2)) return;
3520	assert(lsLength((lsList)delay->delay1) == 2);
3521
3522	min_delay = max_delay = NIL(vl_expr);
3523	for (gen=lsStart((lsList)delay->delay1), i=1;
3524	lsNext(gen, (lsGeneric*)&delayi, &handle) != LS_NOMORE; i++) {
3525	if (i==1) *min_delay = delayi;
3526	else if (i==2) *max_delay = delayi;
3527	else break;
3528	}
3529	lsFinish(gen);
3530	}
3531
3532
3533	static int isTautology(lsList syndrome_expr_list)
3534	{
3535	lsGen gen;
3536	lsHandle handle;
3537	syndrome_expr *se;
3538	unsigned int i;
3539	int unguarded = 0;
3540
3541	for (gen = lsStart(syndrome_expr_list);
3542	lsNext(gen, (lsGeneric*)&se, &handle) != LS_NOMORE; ) {
3543	unguarded = 1;
3544	for (i=0; i<strlen(se->syndrome); i++) {
3545	if ((se->syndrome)[i] != '-') {
3546	unguarded = 0;
3547	break;
3548	}
3549	}
3550	if (unguarded) break;
3551	}
3552	lsFinish(gen);
3553
3554	return unguarded;
3555	}
3556
3557
3558
3559	void write_case_tag_const(FILE file, vl_term selector,
3560	vl_expr tag_expr, st_table vars)
3561	{
3562
3563	if (!tag_expr->term) {
3564	if (tag_expr->type == IntExpr \|\| tag_expr->type == BitExpr \|\|
3565	evaluable_expr(tag_expr)) {
3566	tag_expr->term = typed_new_term(selector->name->id_type,
3567	NIL(vl_range),
3568	selector->lo, selector->hi);
3569	write_var_decl(file, tag_expr->term);
3570	write_int_connect(file, vl_eval_expr(tag_expr), tag_expr->term);
3571	} else if (tag_expr->type != IDExpr && tag_expr->type != ConcatExpr) {
3572	vl_write_expr(file, tag_expr, vars);
3573	} else if (tag_expr->type == IDExpr) {
3574	vl_id_range *sel_id_sym;
3575	vl_enumerator *enum_elt;
3576
3577	if (!st_lookup(vl_currentModule->sig_st, selector->name->name,
3578	(char**)&sel_id_sym)) {
3579	sel_id_sym = vl_copy_id_range(selector->name);
3580	if (selector->term_type)
3581	sel_id_sym->id_type = selector->term_type;
3582	if (!strstr(selector->name->name, SEP_GATEPIN)) {
3583	st_insert(vl_currentModule->sig_st,
3584	vlStrdup(selector->name->name),
3585	(char*)sel_id_sym);
3586	}
3587	}
3588	if (!sel_id_sym->id_type) {
3589	vl_write_expr(file, tag_expr, vars);
3590	return;
3591	}
3592
3593	if (st_lookup(sel_id_sym->id_type->specifier->
3594	u.enum_type->domain_st,
3595	tag_expr->u.name->name,
3596	(char**)&enum_elt)) {
3597
3598	tag_expr->term = typed_new_term(selector->term_type,
3599	NIL(vl_range),
3600	selector->lo, selector->hi);
3601	tag_expr->term->flag = selector->flag;
3602	write_var_decl(file, tag_expr->term);
3603	tag_expr->type = IntExpr;
3604	tag_expr->u.intval = enum_elt->val;
3605	vl_write_const(file, tag_expr, tag_expr->term);
3606	} else {
3607	char buf[MAXSTRLEN];
3608
3609	sprintf(buf,"'%s':var '%s' should not be used as CASE-tag",
3610	vl_currentModule->name->name, tag_expr->u.name->name);
3611	semantic_error(buf);
3612	}
3613	} else if (tag_expr->type == ConcatExpr) {
3614	vl_write_expr(file, tag_expr, vars);
3615	}
3616	}
3617	}
3618
3619
3620	void width_unknown()
3621	{
3622	char buf[MAXSTRLEN];
3623
3624	sprintf(buf, "%s:you are giving me concatenation of something I can't determined the width", vl_currentModule->name->name);
3625	yylineno = -1;
3626	compile_error(buf);
3627	}
3628
3629
3630	vl_term concate_assigns(array_t assign_array)
3631	{
3632	vl_term *retval;
3633	vl_term *ith_term;
3634	int n_bits;
3635	int i;
3636
3637	n_bits=0;
3638	for (i=0; i<array_n(assign_array); i++) {
3639	ith_term = array_fetch(vl_term*, assign_array, i);
3640	if (ith_term->flag & MVar)
3641	compile_error("boomer:concating symbolic variables");
3642
3643	if (ith_term->hi < ith_term->lo) n_bits++;
3644	else n_bits += (ith_term->hi - ith_term->lo + 1);
3645	}
3646
3647	retval = new_term(NIL(vl_range), 0, n_bits-1);
3648
3649	return retval;
3650	}
3651
3652
3653	void connect_concat(FILE file, vl_term assign_term, array_t *lhs_array)
3654	{
3655	int i;
3656	int old_lo, old_hi;
3657	int n_bits, bit_pos;
3658	vl_term *lhs_term;
3659
3660	old_lo = assign_term->lo;
3661	old_hi = assign_term->hi;
3662	for (i=array_n(lhs_array)-1, bit_pos = assign_term->lo; i>=0; i--) {
3663	lhs_term = array_fetch(vl_term*, lhs_array, i);
3664	if (lhs_term->hi < lhs_term->lo) n_bits = 1;
3665	else n_bits = lhs_term->hi - lhs_term->lo + 1;
3666	assign_term->lo = bit_pos;
3667	assign_term->hi = assign_term->lo + n_bits - 1;
3668	vl_write_bin_connect(file, assign_term, lhs_term, 0);
3669	bit_pos += n_bits;
3670	}
3671	assign_term->lo = old_lo;
3672	assign_term->hi = old_hi;
3673	}
3674
3675
3676	fg_graph_info get_assoc_lc_name(char loc, char *lc_name)
3677	{
3678	int location;
3679	lsGen ggen;
3680	lsHandle ghandle;
3681	graph_t *graph;
3682	fg_graph_info *retval=NIL(fg_graph_info);
3683
3684	if (!loc) return retval;
3685	if (!lc_name) return retval;
3686
3687	location = atoi(strstr(loc, FG_LLOC)+strlen(FG_LLOC));
3688	for(ggen=lsStart(vl_currentModule->flow_graphs);
3689	lsNext(ggen, (lsGeneric*)&graph, &ghandle) != LS_NOMORE; ) {
3690	if (location >= ((fg_graph_info*)graph->user_data)->pause_lo &&
3691	location < ((fg_graph_info*)graph->user_data)->pause_hi) {
3692	sprintf(lc_name, "%s%06x",
3693	FG_LC_PS, ((fg_graph_info*)graph->user_data)->fg_id);
3694	retval = (fg_graph_info*)(graph->user_data);
3695	break;
3696	}
3697	}
3698	lsFinish(ggen);
3699
3700	return retval;
3701	}
3702
3703
3704	void write_out_port(FILE file, vl_id_range id_sym,
3705	int m_hi, int m_lo, vl_expr *inst_expr,
3706	st_table *auxSigST)
3707	{
3708	if (inst_expr->type == IDExpr) {
3709	st_insert(vl_currentModule->sig_st, inst_expr->u.name->name,
3710	(char*)vl_create_id_range(inst_expr->u.name->name,
3711	NIL(vl_range)));
3712	}
3713	inst_expr->term = new_term(NIL(vl_range), m_lo, m_hi);
3714	}
3715
3716
3717	void vl_write_outport_connect(FILE file, vl_expr inst_expr)
3718	{
3719	int rep=1;
3720	int i;
3721	int bitWidth;
3722	lsGen gen;
3723	lsHandle handle;
3724	vl_term *term_out;
3725	vl_expr *e;
3726
3727	if (inst_expr->type != ConcatExpr) return;
3728
3729	if (inst_expr->u.exprs.e2) {
3730	rep = vl_eval_expr(inst_expr->u.exprs.e2);
3731	}
3732
3733	term_out = inst_expr->term;
3734	assert(term_out);
3735	term_out->hi = term_out->lo - 1;
3736	for (i=0; i<rep; i++) {
3737	for (gen=lsStart((lsList)(inst_expr->u.exprs.e1));
3738	lsNext(gen, (lsGeneric*)&e, &handle) != LS_NOMORE; ) {
3739	vl_write_expr(file, e, NIL(st_table));
3740	assert(e->term);
3741	bitWidth = (e->term->hi - e->term->lo+1);
3742	bitWidth = (bitWidth>0) ? bitWidth : 1;
3743	term_out->lo = term_out->hi + 1;
3744	term_out->hi = term_out->lo + bitWidth - 1;
3745	vl_write_bin_connect(file, term_out, e->term, 0);
3746	}
3747	lsFinish(gen);
3748	}
3749	term_out->lo = 0;
3750	}
3751
3752
3753	static int evaluable_expr(vl_expr *expr)
3754	{
3755	int old_silent_err;
3756	int retval;
3757
3758	old_silent_err = silent_err;
3759	silent_err = 1;
3760	Vlerrno = 0;
3761
3762	vl_eval_expr(expr);
3763
3764	retval = Vlerrno;
3765	silent_err = old_silent_err;
3766	return !retval;
3767	}
3768
3769
3770	void write_const_param(FILE file, vl_expr expr, vl_id_range *ival)
3771	{
3772	int l, r;
3773	vl_expr *ce;
3774
3775	if (expr->type == IDExpr) {
3776
3777	l = 31; r = 0;
3778	} else {
3779	l = vl_eval_expr(expr->u.idrng->range->left);
3780	if (expr->u.idrng->range->right)
3781	r = vl_eval_expr(expr->u.idrng->range->right);
3782	else
3783	r = l;
3784	}
3785
3786	expr->term = new_term(NIL(vl_range), 0, (l>r)?l:r);
3787	write_var_decl(file, expr->term);
3788
3789	ce = vl_create_expr(IntExpr, (int)ival->mpg_master_exp, (double)0.0,
3790	NIL(void), NIL(void), NIL(void));
3791	vl_write_const(file, ce, expr->term);
3792	vl_chk_free((char*)ce);
3793
3794	expr->term->hi = (l>r)?l:r;
3795	expr->term->lo = (l>r)?r:l;
3796	}
3797
3798
3799	void chkUndefPorts(vl_expr expr, st_table sig_st)
3800	{
3801	char *dummy;
3802
3803	if (implicitDeclare)
3804	if (sig_st)
3805	if (expr->type == IDExpr)
3806	if (!st_lookup(vl_currentModule->sig_st, expr->u.name->name,
3807	&dummy)) {
3808	st_insert(sig_st, expr->u.name->name, 0);
3809	}
3810	}
3811
3812
3813	void record_pseudo_cntxt(FILE file, int fg_id, st_table pre_cond,
3814	char *ctrl_syndrome,
3815	char rst_ctrl_syndrome, st_table vars)
3816	{
3817	vl_id_range *cntxt_idsym;
3818	vl_term out_term, new_out;
3819
3820	cntxt_idsym = vl_create_id_range(cntxt_event, NIL(vl_range));
3821	cntxt_idsym->flags \|= EventVar;
3822	st_insert(vl_currentModule->sig_st, cntxt_idsym->name, (char*)cntxt_idsym);
3823
3824	out_term = new_term(NIL(vl_range), 0, -1);
3825	write_int_connect(file, 1, out_term);
3826	new_out = vl_copy_term(out_term);
3827
3828	if (!rst_ckt) {
3829	lsNewEnd(cntxt_idsym->syndrome_expr_list,
3830	(lsGeneric)create_syndrome_expr(vlStrdup(ctrl_syndrome),
3831	new_out, pre_cond, fg_id),
3832	0);
3833	} else {
3834	lsNewEnd(cntxt_idsym->rst_syndrome_expr_list,
3835	(lsGeneric)create_syndrome_expr(vlStrdup(rst_ctrl_syndrome),
3836	new_out, pre_cond, fg_id),
3837	0);
3838	}
3839
3840
3841
3842
3843	st_insert(vars, cntxt_idsym->name,
3844	(char*)create_var_info(vl_copy_id_range(cntxt_idsym), out_term));
3845
3846	cntxt_event = NIL(char);
3847	}
3848
3849
3850	char descape(char str, char ch1, char ch2)
3851	{
3852	static char retval[MAXSTRLEN];
3853
3854	strcpy(retval, str);
3855	return retval;
3856	}
3857
3858
3859	char triPort(char name)
3860	{
3861	static char retval[MAXSTRLEN];
3862	vl_id_range *id_sym;
3863
3864	strcpy(retval, name);
3865	if (st_lookup(vl_currentModule->sig_st, name, (char**)&id_sym)) {
3866	if (Zconnection) {
3867	if ((id_sym->flags & InPort) && (id_sym->flags & OutPort)) {
3868	strcat(retval, SEP_GATEPIN); strcat(retval, PIN_INOUT);
3869	}
3870	}
3871	}
3872	return retval;
3873	}
3874
3875
3876	static char *
3877	nond_output(char local_name, char var_name)
3878	{
3879	static char buf[MAXSTRLEN];
3880	char *cp;
3881
3882	if (vis_nond && !rst_ckt) {
3883	sprintf(buf, var_name);
3884	if ((cp=strstr(buf, SEP_GATEPIN))) *cp = '\0';
3885	vis_nond_var = 1;
3886	return buf;
3887	} else {
3888	return local_name;
3889	}
3890	}
3891
3892
3893	void to_upper(char *str)
3894	{
3895	int i;
3896	int len;
3897
3898	len = strlen(str);
3899	for (i=0; i<len; i++)
3900	if (islower((int)(str[i])))
3901	str[i] += ('A' - 'a');
3902	}
3903
3904
3905	char *
3906	shift_mv_vars(char *inputs, int nval)
3907	{
3908	static char buf[MAXSTRLEN];
3909	int len, i;
3910	char arg[MAXSTRLEN];
3911	char token[MAXSTRLEN];
3912	char *cp;
3913	int ith;
3914
3915	buf[0] = '\0';
3916	len = strlen(inputs);
3917	for (cp=inputs, ith=0; cp<inputs+len; ith++) {
3918	i=0;
3919	while ((cp == ' ' \|\| cp == '\t') && *cp != '\0') cp++;
3920	while ((cp != ' ' && cp != '\t') && *cp != '\0') {
3921	token[i] = *cp;
3922	cp++; i++;
3923	}
3924	if (i > 0) {
3925	token[i] = '\0';
3926	if (ith == 0)
3927	sprintf(arg, " %s ", token);
3928	else
3929	sprintf(arg, " , %s ", token);
3930	strcat(buf, arg);
3931	}
3932	}
3933
3934	return buf;
3935	}

Note: See TracBrowser for help on using the repository browser.

Context Navigation

source: vis_dev/vl2mv-2.3/src/parser/vl_write_util.c @ 35

Download in other formats: