2 * yosys -- Yosys Open SYnthesis Suite
4 * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include "kernel/yosys.h"
21 #include "kernel/sigtools.h"
22 #include "kernel/log.h"
32 #include "frontends/verific/verific.h"
36 #ifdef YOSYS_ENABLE_VERIFIC
39 #pragma clang diagnostic push
40 #pragma clang diagnostic ignored "-Woverloaded-virtual"
43 #include "veri_file.h"
44 #include "vhdl_file.h"
45 #include "hier_tree.h"
46 #include "VeriModule.h"
47 #include "VeriWrite.h"
48 #include "VhdlUnits.h"
52 #pragma clang diagnostic pop
55 #ifdef VERIFIC_NAMESPACE
56 using namespace Verific
;
61 #ifdef YOSYS_ENABLE_VERIFIC
65 bool verific_import_pending
;
66 string verific_error_msg
;
67 int verific_sva_fsm_limit
;
69 vector
<string
> verific_incdirs
, verific_libdirs
;
71 void msg_func(msg_type_t msg_type
, const char *message_id
, linefile_type linefile
, const char *msg
, va_list args
)
73 string message_prefix
= stringf("VERIFIC-%s [%s] ",
74 msg_type
== VERIFIC_NONE
? "NONE" :
75 msg_type
== VERIFIC_ERROR
? "ERROR" :
76 msg_type
== VERIFIC_WARNING
? "WARNING" :
77 msg_type
== VERIFIC_IGNORE
? "IGNORE" :
78 msg_type
== VERIFIC_INFO
? "INFO" :
79 msg_type
== VERIFIC_COMMENT
? "COMMENT" :
80 msg_type
== VERIFIC_PROGRAM_ERROR
? "PROGRAM_ERROR" : "UNKNOWN", message_id
);
82 string message
= linefile
? stringf("%s:%d: ", LineFile::GetFileName(linefile
), LineFile::GetLineNo(linefile
)) : "";
83 message
+= vstringf(msg
, args
);
85 if (msg_type
== VERIFIC_ERROR
|| msg_type
== VERIFIC_WARNING
|| msg_type
== VERIFIC_PROGRAM_ERROR
)
86 log_warning_noprefix("%s%s\n", message_prefix
.c_str(), message
.c_str());
88 log("%s%s\n", message_prefix
.c_str(), message
.c_str());
90 if (verific_error_msg
.empty() && (msg_type
== VERIFIC_ERROR
|| msg_type
== VERIFIC_PROGRAM_ERROR
))
91 verific_error_msg
= message
;
94 string
get_full_netlist_name(Netlist
*nl
)
96 if (nl
->NumOfRefs() == 1) {
97 Instance
*inst
= (Instance
*)nl
->GetReferences()->GetLast();
98 return get_full_netlist_name(inst
->Owner()) + "." + inst
->Name();
101 return nl
->CellBaseName();
104 // ==================================================================
106 VerificImporter::VerificImporter(bool mode_gates
, bool mode_keep
, bool mode_nosva
, bool mode_names
, bool mode_verific
, bool mode_autocover
) :
107 mode_gates(mode_gates
), mode_keep(mode_keep
), mode_nosva(mode_nosva
),
108 mode_names(mode_names
), mode_verific(mode_verific
), mode_autocover(mode_autocover
)
112 RTLIL::SigBit
VerificImporter::net_map_at(Net
*net
)
114 if (net
->IsExternalTo(netlist
))
115 log_error("Found external reference to '%s.%s' in netlist '%s', please use -flatten or -extnets.\n",
116 get_full_netlist_name(net
->Owner()).c_str(), net
->Name(), get_full_netlist_name(netlist
).c_str());
118 return net_map
.at(net
);
121 bool is_blackbox(Netlist
*nl
)
123 if (nl
->IsBlackBox())
126 const char *attr
= nl
->GetAttValue("blackbox");
127 if (attr
!= nullptr && strcmp(attr
, "0"))
133 RTLIL::IdString
VerificImporter::new_verific_id(Verific::DesignObj
*obj
)
135 std::string s
= stringf("$verific$%s", obj
->Name());
137 s
+= stringf("$%s:%d", Verific::LineFile::GetFileName(obj
->Linefile()), Verific::LineFile::GetLineNo(obj
->Linefile()));
138 s
+= stringf("$%d", autoidx
++);
142 void VerificImporter::import_attributes(dict
<RTLIL::IdString
, RTLIL::Const
> &attributes
, DesignObj
*obj
)
148 attributes
["\\src"] = stringf("%s:%d", LineFile::GetFileName(obj
->Linefile()), LineFile::GetLineNo(obj
->Linefile()));
150 // FIXME: Parse numeric attributes
151 FOREACH_ATTRIBUTE(obj
, mi
, attr
) {
152 if (attr
->Key()[0] == ' ' || attr
->Value() == nullptr)
154 attributes
[RTLIL::escape_id(attr
->Key())] = RTLIL::Const(std::string(attr
->Value()));
158 RTLIL::SigSpec
VerificImporter::operatorInput(Instance
*inst
)
161 for (int i
= int(inst
->InputSize())-1; i
>= 0; i
--)
162 if (inst
->GetInputBit(i
))
163 sig
.append(net_map_at(inst
->GetInputBit(i
)));
165 sig
.append(RTLIL::State::Sz
);
169 RTLIL::SigSpec
VerificImporter::operatorInput1(Instance
*inst
)
172 for (int i
= int(inst
->Input1Size())-1; i
>= 0; i
--)
173 if (inst
->GetInput1Bit(i
))
174 sig
.append(net_map_at(inst
->GetInput1Bit(i
)));
176 sig
.append(RTLIL::State::Sz
);
180 RTLIL::SigSpec
VerificImporter::operatorInput2(Instance
*inst
)
183 for (int i
= int(inst
->Input2Size())-1; i
>= 0; i
--)
184 if (inst
->GetInput2Bit(i
))
185 sig
.append(net_map_at(inst
->GetInput2Bit(i
)));
187 sig
.append(RTLIL::State::Sz
);
191 RTLIL::SigSpec
VerificImporter::operatorInport(Instance
*inst
, const char *portname
)
193 PortBus
*portbus
= inst
->View()->GetPortBus(portname
);
196 for (unsigned i
= 0; i
< portbus
->Size(); i
++) {
197 Net
*net
= inst
->GetNet(portbus
->ElementAtIndex(i
));
200 sig
.append(RTLIL::State::S0
);
201 else if (net
->IsPwr())
202 sig
.append(RTLIL::State::S1
);
204 sig
.append(net_map_at(net
));
206 sig
.append(RTLIL::State::Sz
);
210 Port
*port
= inst
->View()->GetPort(portname
);
211 log_assert(port
!= NULL
);
212 Net
*net
= inst
->GetNet(port
);
213 return net_map_at(net
);
217 RTLIL::SigSpec
VerificImporter::operatorOutput(Instance
*inst
, const pool
<Net
*, hash_ptr_ops
> *any_all_nets
)
220 RTLIL::Wire
*dummy_wire
= NULL
;
221 for (int i
= int(inst
->OutputSize())-1; i
>= 0; i
--)
222 if (inst
->GetOutputBit(i
) && (!any_all_nets
|| !any_all_nets
->count(inst
->GetOutputBit(i
)))) {
223 sig
.append(net_map_at(inst
->GetOutputBit(i
)));
226 if (dummy_wire
== NULL
)
227 dummy_wire
= module
->addWire(new_verific_id(inst
));
230 sig
.append(RTLIL::SigSpec(dummy_wire
, dummy_wire
->width
- 1));
235 bool VerificImporter::import_netlist_instance_gates(Instance
*inst
, RTLIL::IdString inst_name
)
237 if (inst
->Type() == PRIM_AND
) {
238 module
->addAndGate(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetOutput()));
242 if (inst
->Type() == PRIM_NAND
) {
243 RTLIL::SigSpec tmp
= module
->addWire(new_verific_id(inst
));
244 module
->addAndGate(new_verific_id(inst
), net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), tmp
);
245 module
->addNotGate(inst_name
, tmp
, net_map_at(inst
->GetOutput()));
249 if (inst
->Type() == PRIM_OR
) {
250 module
->addOrGate(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetOutput()));
254 if (inst
->Type() == PRIM_NOR
) {
255 RTLIL::SigSpec tmp
= module
->addWire(new_verific_id(inst
));
256 module
->addOrGate(new_verific_id(inst
), net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), tmp
);
257 module
->addNotGate(inst_name
, tmp
, net_map_at(inst
->GetOutput()));
261 if (inst
->Type() == PRIM_XOR
) {
262 module
->addXorGate(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetOutput()));
266 if (inst
->Type() == PRIM_XNOR
) {
267 module
->addXnorGate(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetOutput()));
271 if (inst
->Type() == PRIM_BUF
) {
272 auto outnet
= inst
->GetOutput();
273 if (!any_all_nets
.count(outnet
))
274 module
->addBufGate(inst_name
, net_map_at(inst
->GetInput()), net_map_at(outnet
));
278 if (inst
->Type() == PRIM_INV
) {
279 module
->addNotGate(inst_name
, net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()));
283 if (inst
->Type() == PRIM_MUX
) {
284 module
->addMuxGate(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetControl()), net_map_at(inst
->GetOutput()));
288 if (inst
->Type() == PRIM_TRI
) {
289 module
->addMuxGate(inst_name
, RTLIL::State::Sz
, net_map_at(inst
->GetInput()), net_map_at(inst
->GetControl()), net_map_at(inst
->GetOutput()));
293 if (inst
->Type() == PRIM_FADD
)
295 RTLIL::SigSpec a
= net_map_at(inst
->GetInput1()), b
= net_map_at(inst
->GetInput2()), c
= net_map_at(inst
->GetCin());
296 RTLIL::SigSpec x
= inst
->GetCout() ? net_map_at(inst
->GetCout()) : module
->addWire(new_verific_id(inst
));
297 RTLIL::SigSpec y
= inst
->GetOutput() ? net_map_at(inst
->GetOutput()) : module
->addWire(new_verific_id(inst
));
298 RTLIL::SigSpec tmp1
= module
->addWire(new_verific_id(inst
));
299 RTLIL::SigSpec tmp2
= module
->addWire(new_verific_id(inst
));
300 RTLIL::SigSpec tmp3
= module
->addWire(new_verific_id(inst
));
301 module
->addXorGate(new_verific_id(inst
), a
, b
, tmp1
);
302 module
->addXorGate(inst_name
, tmp1
, c
, y
);
303 module
->addAndGate(new_verific_id(inst
), tmp1
, c
, tmp2
);
304 module
->addAndGate(new_verific_id(inst
), a
, b
, tmp3
);
305 module
->addOrGate(new_verific_id(inst
), tmp2
, tmp3
, x
);
309 if (inst
->Type() == PRIM_DFFRS
)
311 VerificClocking
clocking(this, inst
->GetClock());
312 log_assert(clocking
.disable_sig
== State::S0
);
313 log_assert(clocking
.body_net
== nullptr);
315 if (inst
->GetSet()->IsGnd() && inst
->GetReset()->IsGnd())
316 clocking
.addDff(inst_name
, net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()));
317 else if (inst
->GetSet()->IsGnd())
318 clocking
.addAdff(inst_name
, net_map_at(inst
->GetReset()), net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()), State::S0
);
319 else if (inst
->GetReset()->IsGnd())
320 clocking
.addAdff(inst_name
, net_map_at(inst
->GetSet()), net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()), State::S1
);
322 clocking
.addDffsr(inst_name
, net_map_at(inst
->GetSet()), net_map_at(inst
->GetReset()),
323 net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()));
330 bool VerificImporter::import_netlist_instance_cells(Instance
*inst
, RTLIL::IdString inst_name
)
332 RTLIL::Cell
*cell
= nullptr;
334 if (inst
->Type() == PRIM_AND
) {
335 cell
= module
->addAnd(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetOutput()));
336 import_attributes(cell
->attributes
, inst
);
340 if (inst
->Type() == PRIM_NAND
) {
341 RTLIL::SigSpec tmp
= module
->addWire(new_verific_id(inst
));
342 cell
= module
->addAnd(new_verific_id(inst
), net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), tmp
);
343 import_attributes(cell
->attributes
, inst
);
344 cell
= module
->addNot(inst_name
, tmp
, net_map_at(inst
->GetOutput()));
345 import_attributes(cell
->attributes
, inst
);
349 if (inst
->Type() == PRIM_OR
) {
350 cell
= module
->addOr(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetOutput()));
351 import_attributes(cell
->attributes
, inst
);
355 if (inst
->Type() == PRIM_NOR
) {
356 RTLIL::SigSpec tmp
= module
->addWire(new_verific_id(inst
));
357 cell
= module
->addOr(new_verific_id(inst
), net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), tmp
);
358 import_attributes(cell
->attributes
, inst
);
359 cell
= module
->addNot(inst_name
, tmp
, net_map_at(inst
->GetOutput()));
360 import_attributes(cell
->attributes
, inst
);
364 if (inst
->Type() == PRIM_XOR
) {
365 cell
= module
->addXor(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetOutput()));
366 import_attributes(cell
->attributes
, inst
);
370 if (inst
->Type() == PRIM_XNOR
) {
371 cell
= module
->addXnor(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetOutput()));
372 import_attributes(cell
->attributes
, inst
);
376 if (inst
->Type() == PRIM_INV
) {
377 cell
= module
->addNot(inst_name
, net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()));
378 import_attributes(cell
->attributes
, inst
);
382 if (inst
->Type() == PRIM_MUX
) {
383 cell
= module
->addMux(inst_name
, net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), net_map_at(inst
->GetControl()), net_map_at(inst
->GetOutput()));
384 import_attributes(cell
->attributes
, inst
);
388 if (inst
->Type() == PRIM_TRI
) {
389 cell
= module
->addMux(inst_name
, RTLIL::State::Sz
, net_map_at(inst
->GetInput()), net_map_at(inst
->GetControl()), net_map_at(inst
->GetOutput()));
390 import_attributes(cell
->attributes
, inst
);
394 if (inst
->Type() == PRIM_FADD
)
396 RTLIL::SigSpec a_plus_b
= module
->addWire(new_verific_id(inst
), 2);
397 RTLIL::SigSpec y
= inst
->GetOutput() ? net_map_at(inst
->GetOutput()) : module
->addWire(new_verific_id(inst
));
399 y
.append(net_map_at(inst
->GetCout()));
400 cell
= module
->addAdd(new_verific_id(inst
), net_map_at(inst
->GetInput1()), net_map_at(inst
->GetInput2()), a_plus_b
);
401 import_attributes(cell
->attributes
, inst
);
402 cell
= module
->addAdd(inst_name
, a_plus_b
, net_map_at(inst
->GetCin()), y
);
403 import_attributes(cell
->attributes
, inst
);
407 if (inst
->Type() == PRIM_DFFRS
)
409 VerificClocking
clocking(this, inst
->GetClock());
410 log_assert(clocking
.disable_sig
== State::S0
);
411 log_assert(clocking
.body_net
== nullptr);
413 if (inst
->GetSet()->IsGnd() && inst
->GetReset()->IsGnd())
414 cell
= clocking
.addDff(inst_name
, net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()));
415 else if (inst
->GetSet()->IsGnd())
416 cell
= clocking
.addAdff(inst_name
, net_map_at(inst
->GetReset()), net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()), RTLIL::State::S0
);
417 else if (inst
->GetReset()->IsGnd())
418 cell
= clocking
.addAdff(inst_name
, net_map_at(inst
->GetSet()), net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()), RTLIL::State::S1
);
420 cell
= clocking
.addDffsr(inst_name
, net_map_at(inst
->GetSet()), net_map_at(inst
->GetReset()),
421 net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()));
422 import_attributes(cell
->attributes
, inst
);
426 if (inst
->Type() == PRIM_DLATCHRS
)
428 if (inst
->GetSet()->IsGnd() && inst
->GetReset()->IsGnd())
429 cell
= module
->addDlatch(inst_name
, net_map_at(inst
->GetControl()), net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()));
431 cell
= module
->addDlatchsr(inst_name
, net_map_at(inst
->GetControl()), net_map_at(inst
->GetSet()), net_map_at(inst
->GetReset()),
432 net_map_at(inst
->GetInput()), net_map_at(inst
->GetOutput()));
433 import_attributes(cell
->attributes
, inst
);
437 #define IN operatorInput(inst)
438 #define IN1 operatorInput1(inst)
439 #define IN2 operatorInput2(inst)
440 #define OUT operatorOutput(inst)
441 #define FILTERED_OUT operatorOutput(inst, &any_all_nets)
442 #define SIGNED inst->View()->IsSigned()
444 if (inst
->Type() == OPER_ADDER
) {
445 RTLIL::SigSpec out
= OUT
;
446 if (inst
->GetCout() != NULL
)
447 out
.append(net_map_at(inst
->GetCout()));
448 if (inst
->GetCin()->IsGnd()) {
449 cell
= module
->addAdd(inst_name
, IN1
, IN2
, out
, SIGNED
);
450 import_attributes(cell
->attributes
, inst
);
452 RTLIL::SigSpec tmp
= module
->addWire(new_verific_id(inst
), GetSize(out
));
453 cell
= module
->addAdd(new_verific_id(inst
), IN1
, IN2
, tmp
, SIGNED
);
454 import_attributes(cell
->attributes
, inst
);
455 cell
= module
->addAdd(inst_name
, tmp
, net_map_at(inst
->GetCin()), out
, false);
456 import_attributes(cell
->attributes
, inst
);
461 if (inst
->Type() == OPER_MULTIPLIER
) {
462 cell
= module
->addMul(inst_name
, IN1
, IN2
, OUT
, SIGNED
);
463 import_attributes(cell
->attributes
, inst
);
467 if (inst
->Type() == OPER_DIVIDER
) {
468 cell
= module
->addDiv(inst_name
, IN1
, IN2
, OUT
, SIGNED
);
469 import_attributes(cell
->attributes
, inst
);
473 if (inst
->Type() == OPER_MODULO
) {
474 cell
= module
->addMod(inst_name
, IN1
, IN2
, OUT
, SIGNED
);
475 import_attributes(cell
->attributes
, inst
);
479 if (inst
->Type() == OPER_REMAINDER
) {
480 cell
= module
->addMod(inst_name
, IN1
, IN2
, OUT
, SIGNED
);
481 import_attributes(cell
->attributes
, inst
);
485 if (inst
->Type() == OPER_SHIFT_LEFT
) {
486 cell
= module
->addShl(inst_name
, IN1
, IN2
, OUT
, false);
487 import_attributes(cell
->attributes
, inst
);
491 if (inst
->Type() == OPER_ENABLED_DECODER
) {
493 vec
.append(net_map_at(inst
->GetControl()));
494 for (unsigned i
= 1; i
< inst
->OutputSize(); i
++) {
495 vec
.append(RTLIL::State::S0
);
497 cell
= module
->addShl(inst_name
, vec
, IN
, OUT
, false);
498 import_attributes(cell
->attributes
, inst
);
502 if (inst
->Type() == OPER_DECODER
) {
504 vec
.append(RTLIL::State::S1
);
505 for (unsigned i
= 1; i
< inst
->OutputSize(); i
++) {
506 vec
.append(RTLIL::State::S0
);
508 cell
= module
->addShl(inst_name
, vec
, IN
, OUT
, false);
509 import_attributes(cell
->attributes
, inst
);
513 if (inst
->Type() == OPER_SHIFT_RIGHT
) {
514 Net
*net_cin
= inst
->GetCin();
515 Net
*net_a_msb
= inst
->GetInput1Bit(0);
516 if (net_cin
->IsGnd())
517 cell
= module
->addShr(inst_name
, IN1
, IN2
, OUT
, false);
518 else if (net_cin
== net_a_msb
)
519 cell
= module
->addSshr(inst_name
, IN1
, IN2
, OUT
, true);
521 log_error("Can't import Verific OPER_SHIFT_RIGHT instance %s: carry_in is neither 0 nor msb of left input\n", inst
->Name());
522 import_attributes(cell
->attributes
, inst
);
526 if (inst
->Type() == OPER_REDUCE_AND
) {
527 cell
= module
->addReduceAnd(inst_name
, IN
, net_map_at(inst
->GetOutput()), SIGNED
);
528 import_attributes(cell
->attributes
, inst
);
532 if (inst
->Type() == OPER_REDUCE_OR
) {
533 cell
= module
->addReduceOr(inst_name
, IN
, net_map_at(inst
->GetOutput()), SIGNED
);
534 import_attributes(cell
->attributes
, inst
);
538 if (inst
->Type() == OPER_REDUCE_XOR
) {
539 cell
= module
->addReduceXor(inst_name
, IN
, net_map_at(inst
->GetOutput()), SIGNED
);
540 import_attributes(cell
->attributes
, inst
);
544 if (inst
->Type() == OPER_REDUCE_XNOR
) {
545 cell
= module
->addReduceXnor(inst_name
, IN
, net_map_at(inst
->GetOutput()), SIGNED
);
546 import_attributes(cell
->attributes
, inst
);
550 if (inst
->Type() == OPER_REDUCE_NOR
) {
551 SigSpec t
= module
->ReduceOr(new_verific_id(inst
), IN
, SIGNED
);
552 cell
= module
->addNot(inst_name
, t
, net_map_at(inst
->GetOutput()));
553 import_attributes(cell
->attributes
, inst
);
557 if (inst
->Type() == OPER_LESSTHAN
) {
558 Net
*net_cin
= inst
->GetCin();
559 if (net_cin
->IsGnd())
560 cell
= module
->addLt(inst_name
, IN1
, IN2
, net_map_at(inst
->GetOutput()), SIGNED
);
561 else if (net_cin
->IsPwr())
562 cell
= module
->addLe(inst_name
, IN1
, IN2
, net_map_at(inst
->GetOutput()), SIGNED
);
564 log_error("Can't import Verific OPER_LESSTHAN instance %s: carry_in is neither 0 nor 1\n", inst
->Name());
565 import_attributes(cell
->attributes
, inst
);
569 if (inst
->Type() == OPER_WIDE_AND
) {
570 cell
= module
->addAnd(inst_name
, IN1
, IN2
, OUT
, SIGNED
);
571 import_attributes(cell
->attributes
, inst
);
575 if (inst
->Type() == OPER_WIDE_OR
) {
576 cell
= module
->addOr(inst_name
, IN1
, IN2
, OUT
, SIGNED
);
577 import_attributes(cell
->attributes
, inst
);
581 if (inst
->Type() == OPER_WIDE_XOR
) {
582 cell
= module
->addXor(inst_name
, IN1
, IN2
, OUT
, SIGNED
);
583 import_attributes(cell
->attributes
, inst
);
587 if (inst
->Type() == OPER_WIDE_XNOR
) {
588 cell
= module
->addXnor(inst_name
, IN1
, IN2
, OUT
, SIGNED
);
589 import_attributes(cell
->attributes
, inst
);
593 if (inst
->Type() == OPER_WIDE_BUF
) {
594 cell
= module
->addPos(inst_name
, IN
, FILTERED_OUT
, SIGNED
);
595 import_attributes(cell
->attributes
, inst
);
599 if (inst
->Type() == OPER_WIDE_INV
) {
600 cell
= module
->addNot(inst_name
, IN
, OUT
, SIGNED
);
601 import_attributes(cell
->attributes
, inst
);
605 if (inst
->Type() == OPER_MINUS
) {
606 cell
= module
->addSub(inst_name
, IN1
, IN2
, OUT
, SIGNED
);
607 import_attributes(cell
->attributes
, inst
);
611 if (inst
->Type() == OPER_UMINUS
) {
612 cell
= module
->addNeg(inst_name
, IN
, OUT
, SIGNED
);
613 import_attributes(cell
->attributes
, inst
);
617 if (inst
->Type() == OPER_EQUAL
) {
618 cell
= module
->addEq(inst_name
, IN1
, IN2
, net_map_at(inst
->GetOutput()), SIGNED
);
619 import_attributes(cell
->attributes
, inst
);
623 if (inst
->Type() == OPER_NEQUAL
) {
624 cell
= module
->addNe(inst_name
, IN1
, IN2
, net_map_at(inst
->GetOutput()), SIGNED
);
625 import_attributes(cell
->attributes
, inst
);
629 if (inst
->Type() == OPER_WIDE_MUX
) {
630 cell
= module
->addMux(inst_name
, IN1
, IN2
, net_map_at(inst
->GetControl()), OUT
);
631 import_attributes(cell
->attributes
, inst
);
635 if (inst
->Type() == OPER_NTO1MUX
) {
636 cell
= module
->addShr(inst_name
, IN2
, IN1
, net_map_at(inst
->GetOutput()));
637 import_attributes(cell
->attributes
, inst
);
641 if (inst
->Type() == OPER_WIDE_NTO1MUX
)
643 SigSpec data
= IN2
, out
= OUT
;
645 int wordsize_bits
= ceil_log2(GetSize(out
));
646 int wordsize
= 1 << wordsize_bits
;
648 SigSpec sel
= {IN1
, SigSpec(State::S0
, wordsize_bits
)};
651 for (int i
= 0; i
< GetSize(data
); i
+= GetSize(out
)) {
652 SigSpec d
= data
.extract(i
, GetSize(out
));
653 d
.extend_u0(wordsize
);
654 padded_data
.append(d
);
657 cell
= module
->addShr(inst_name
, padded_data
, sel
, out
);
658 import_attributes(cell
->attributes
, inst
);
662 if (inst
->Type() == OPER_SELECTOR
)
664 cell
= module
->addPmux(inst_name
, State::S0
, IN2
, IN1
, net_map_at(inst
->GetOutput()));
665 import_attributes(cell
->attributes
, inst
);
669 if (inst
->Type() == OPER_WIDE_SELECTOR
)
672 cell
= module
->addPmux(inst_name
, SigSpec(State::S0
, GetSize(out
)), IN2
, IN1
, out
);
673 import_attributes(cell
->attributes
, inst
);
677 if (inst
->Type() == OPER_WIDE_TRI
) {
678 cell
= module
->addMux(inst_name
, RTLIL::SigSpec(RTLIL::State::Sz
, inst
->OutputSize()), IN
, net_map_at(inst
->GetControl()), OUT
);
679 import_attributes(cell
->attributes
, inst
);
683 if (inst
->Type() == OPER_WIDE_DFFRS
)
685 VerificClocking
clocking(this, inst
->GetClock());
686 log_assert(clocking
.disable_sig
== State::S0
);
687 log_assert(clocking
.body_net
== nullptr);
689 RTLIL::SigSpec sig_set
= operatorInport(inst
, "set");
690 RTLIL::SigSpec sig_reset
= operatorInport(inst
, "reset");
692 if (sig_set
.is_fully_const() && !sig_set
.as_bool() && sig_reset
.is_fully_const() && !sig_reset
.as_bool())
693 cell
= clocking
.addDff(inst_name
, IN
, OUT
);
695 cell
= clocking
.addDffsr(inst_name
, sig_set
, sig_reset
, IN
, OUT
);
696 import_attributes(cell
->attributes
, inst
);
710 void VerificImporter::merge_past_ffs_clock(pool
<RTLIL::Cell
*> &candidates
, SigBit clock
, bool clock_pol
)
712 bool keep_running
= true;
717 keep_running
= false;
719 dict
<SigBit
, pool
<RTLIL::Cell
*>> dbits_db
;
722 for (auto cell
: candidates
) {
723 SigBit bit
= sigmap(cell
->getPort("\\D"));
724 dbits_db
[bit
].insert(cell
);
728 dbits
.sort_and_unify();
730 for (auto chunk
: dbits
.chunks())
732 SigSpec sig_d
= chunk
;
734 if (chunk
.wire
== nullptr || GetSize(sig_d
) == 1)
737 SigSpec sig_q
= module
->addWire(NEW_ID
, GetSize(sig_d
));
738 RTLIL::Cell
*new_ff
= module
->addDff(NEW_ID
, clock
, sig_d
, sig_q
, clock_pol
);
741 log(" merging single-bit past_ffs into new %d-bit ff %s.\n", GetSize(sig_d
), log_id(new_ff
));
743 for (int i
= 0; i
< GetSize(sig_d
); i
++)
744 for (auto old_ff
: dbits_db
[sig_d
[i
]])
747 log(" replacing old ff %s on bit %d.\n", log_id(old_ff
), i
);
749 SigBit old_q
= old_ff
->getPort("\\Q");
750 SigBit new_q
= sig_q
[i
];
752 sigmap
.add(old_q
, new_q
);
753 module
->connect(old_q
, new_q
);
754 candidates
.erase(old_ff
);
755 module
->remove(old_ff
);
762 void VerificImporter::merge_past_ffs(pool
<RTLIL::Cell
*> &candidates
)
764 dict
<pair
<SigBit
, int>, pool
<RTLIL::Cell
*>> database
;
766 for (auto cell
: candidates
)
768 SigBit clock
= cell
->getPort("\\CLK");
769 bool clock_pol
= cell
->getParam("\\CLK_POLARITY").as_bool();
770 database
[make_pair(clock
, int(clock_pol
))].insert(cell
);
773 for (auto it
: database
)
774 merge_past_ffs_clock(it
.second
, it
.first
.first
, it
.first
.second
);
777 void VerificImporter::import_netlist(RTLIL::Design
*design
, Netlist
*nl
, std::set
<Netlist
*> &nl_todo
)
779 std::string module_name
= nl
->IsOperator() ? std::string("$verific$") + nl
->Owner()->Name() : RTLIL::escape_id(nl
->Owner()->Name());
783 if (design
->has(module_name
)) {
784 if (!nl
->IsOperator() && !is_blackbox(nl
))
785 log_cmd_error("Re-definition of module `%s'.\n", nl
->Owner()->Name());
789 module
= new RTLIL::Module
;
790 module
->name
= module_name
;
793 if (is_blackbox(nl
)) {
794 log("Importing blackbox module %s.\n", RTLIL::id2cstr(module
->name
));
795 module
->set_bool_attribute("\\blackbox");
797 log("Importing module %s.\n", RTLIL::id2cstr(module
->name
));
809 FOREACH_PORT_OF_NETLIST(nl
, mi
, port
)
815 log(" importing port %s.\n", port
->Name());
817 RTLIL::Wire
*wire
= module
->addWire(RTLIL::escape_id(port
->Name()));
818 import_attributes(wire
->attributes
, port
);
820 wire
->port_id
= nl
->IndexOf(port
) + 1;
822 if (port
->GetDir() == DIR_INOUT
|| port
->GetDir() == DIR_IN
)
823 wire
->port_input
= true;
824 if (port
->GetDir() == DIR_INOUT
|| port
->GetDir() == DIR_OUT
)
825 wire
->port_output
= true;
827 if (port
->GetNet()) {
828 net
= port
->GetNet();
829 if (net_map
.count(net
) == 0)
831 else if (wire
->port_input
)
832 module
->connect(net_map_at(net
), wire
);
834 module
->connect(wire
, net_map_at(net
));
838 FOREACH_PORTBUS_OF_NETLIST(nl
, mi
, portbus
)
841 log(" importing portbus %s.\n", portbus
->Name());
843 RTLIL::Wire
*wire
= module
->addWire(RTLIL::escape_id(portbus
->Name()), portbus
->Size());
844 wire
->start_offset
= min(portbus
->LeftIndex(), portbus
->RightIndex());
845 import_attributes(wire
->attributes
, portbus
);
847 if (portbus
->GetDir() == DIR_INOUT
|| portbus
->GetDir() == DIR_IN
)
848 wire
->port_input
= true;
849 if (portbus
->GetDir() == DIR_INOUT
|| portbus
->GetDir() == DIR_OUT
)
850 wire
->port_output
= true;
852 for (int i
= portbus
->LeftIndex();; i
+= portbus
->IsUp() ? +1 : -1) {
853 if (portbus
->ElementAtIndex(i
) && portbus
->ElementAtIndex(i
)->GetNet()) {
854 net
= portbus
->ElementAtIndex(i
)->GetNet();
855 RTLIL::SigBit
bit(wire
, i
- wire
->start_offset
);
856 if (net_map
.count(net
) == 0)
858 else if (wire
->port_input
)
859 module
->connect(net_map_at(net
), bit
);
861 module
->connect(bit
, net_map_at(net
));
863 if (i
== portbus
->RightIndex())
868 module
->fixup_ports();
870 dict
<Net
*, char, hash_ptr_ops
> init_nets
;
871 pool
<Net
*, hash_ptr_ops
> anyconst_nets
, anyseq_nets
;
872 pool
<Net
*, hash_ptr_ops
> allconst_nets
, allseq_nets
;
873 any_all_nets
.clear();
875 FOREACH_NET_OF_NETLIST(nl
, mi
, net
)
879 RTLIL::Memory
*memory
= new RTLIL::Memory
;
880 memory
->name
= RTLIL::escape_id(net
->Name());
881 log_assert(module
->count_id(memory
->name
) == 0);
882 module
->memories
[memory
->name
] = memory
;
884 int number_of_bits
= net
->Size();
885 int bits_in_word
= number_of_bits
;
886 FOREACH_PORTREF_OF_NET(net
, si
, pr
) {
887 if (pr
->GetInst()->Type() == OPER_READ_PORT
) {
888 bits_in_word
= min
<int>(bits_in_word
, pr
->GetInst()->OutputSize());
891 if (pr
->GetInst()->Type() == OPER_WRITE_PORT
|| pr
->GetInst()->Type() == OPER_CLOCKED_WRITE_PORT
) {
892 bits_in_word
= min
<int>(bits_in_word
, pr
->GetInst()->Input2Size());
895 log_error("Verific RamNet %s is connected to unsupported instance type %s (%s).\n",
896 net
->Name(), pr
->GetInst()->View()->Owner()->Name(), pr
->GetInst()->Name());
899 memory
->width
= bits_in_word
;
900 memory
->size
= number_of_bits
/ bits_in_word
;
902 const char *ascii_initdata
= net
->GetWideInitialValue();
903 if (ascii_initdata
) {
904 while (*ascii_initdata
!= 0 && *ascii_initdata
!= '\'')
906 if (*ascii_initdata
== '\'')
908 if (*ascii_initdata
!= 0) {
909 log_assert(*ascii_initdata
== 'b');
912 for (int word_idx
= 0; word_idx
< memory
->size
; word_idx
++) {
913 Const initval
= Const(State::Sx
, memory
->width
);
914 bool initval_valid
= false;
915 for (int bit_idx
= memory
->width
-1; bit_idx
>= 0; bit_idx
--) {
916 if (*ascii_initdata
== 0)
918 if (*ascii_initdata
== '0' || *ascii_initdata
== '1') {
919 initval
[bit_idx
] = (*ascii_initdata
== '0') ? State::S0
: State::S1
;
920 initval_valid
= true;
925 RTLIL::Cell
*cell
= module
->addCell(new_verific_id(net
), "$meminit");
926 cell
->parameters
["\\WORDS"] = 1;
927 if (net
->GetOrigTypeRange()->LeftRangeBound() < net
->GetOrigTypeRange()->RightRangeBound())
928 cell
->setPort("\\ADDR", word_idx
);
930 cell
->setPort("\\ADDR", memory
->size
- word_idx
- 1);
931 cell
->setPort("\\DATA", initval
);
932 cell
->parameters
["\\MEMID"] = RTLIL::Const(memory
->name
.str());
933 cell
->parameters
["\\ABITS"] = 32;
934 cell
->parameters
["\\WIDTH"] = memory
->width
;
935 cell
->parameters
["\\PRIORITY"] = RTLIL::Const(autoidx
-1);
942 if (net
->GetInitialValue())
943 init_nets
[net
] = net
->GetInitialValue();
945 const char *rand_const_attr
= net
->GetAttValue(" rand_const");
946 const char *rand_attr
= net
->GetAttValue(" rand");
948 const char *anyconst_attr
= net
->GetAttValue("anyconst");
949 const char *anyseq_attr
= net
->GetAttValue("anyseq");
951 const char *allconst_attr
= net
->GetAttValue("allconst");
952 const char *allseq_attr
= net
->GetAttValue("allseq");
954 if (rand_const_attr
!= nullptr && (!strcmp(rand_const_attr
, "1") || !strcmp(rand_const_attr
, "'1'"))) {
955 anyconst_nets
.insert(net
);
956 any_all_nets
.insert(net
);
958 else if (rand_attr
!= nullptr && (!strcmp(rand_attr
, "1") || !strcmp(rand_attr
, "'1'"))) {
959 anyseq_nets
.insert(net
);
960 any_all_nets
.insert(net
);
962 else if (anyconst_attr
!= nullptr && (!strcmp(anyconst_attr
, "1") || !strcmp(anyconst_attr
, "'1'"))) {
963 anyconst_nets
.insert(net
);
964 any_all_nets
.insert(net
);
966 else if (anyseq_attr
!= nullptr && (!strcmp(anyseq_attr
, "1") || !strcmp(anyseq_attr
, "'1'"))) {
967 anyseq_nets
.insert(net
);
968 any_all_nets
.insert(net
);
970 else if (allconst_attr
!= nullptr && (!strcmp(allconst_attr
, "1") || !strcmp(allconst_attr
, "'1'"))) {
971 allconst_nets
.insert(net
);
972 any_all_nets
.insert(net
);
974 else if (allseq_attr
!= nullptr && (!strcmp(allseq_attr
, "1") || !strcmp(allseq_attr
, "'1'"))) {
975 allseq_nets
.insert(net
);
976 any_all_nets
.insert(net
);
979 if (net_map
.count(net
)) {
981 log(" skipping net %s.\n", net
->Name());
988 RTLIL::IdString wire_name
= module
->uniquify(mode_names
|| net
->IsUserDeclared() ? RTLIL::escape_id(net
->Name()) : new_verific_id(net
));
991 log(" importing net %s as %s.\n", net
->Name(), log_id(wire_name
));
993 RTLIL::Wire
*wire
= module
->addWire(wire_name
);
994 import_attributes(wire
->attributes
, net
);
999 FOREACH_NETBUS_OF_NETLIST(nl
, mi
, netbus
)
1001 bool found_new_net
= false;
1002 for (int i
= netbus
->LeftIndex();; i
+= netbus
->IsUp() ? +1 : -1) {
1003 net
= netbus
->ElementAtIndex(i
);
1004 if (net_map
.count(net
) == 0)
1005 found_new_net
= true;
1006 if (i
== netbus
->RightIndex())
1012 RTLIL::IdString wire_name
= module
->uniquify(mode_names
|| netbus
->IsUserDeclared() ? RTLIL::escape_id(netbus
->Name()) : new_verific_id(netbus
));
1014 if (verific_verbose
)
1015 log(" importing netbus %s as %s.\n", netbus
->Name(), log_id(wire_name
));
1017 RTLIL::Wire
*wire
= module
->addWire(wire_name
, netbus
->Size());
1018 wire
->start_offset
= min(netbus
->LeftIndex(), netbus
->RightIndex());
1019 import_attributes(wire
->attributes
, netbus
);
1021 RTLIL::Const initval
= Const(State::Sx
, GetSize(wire
));
1022 bool initval_valid
= false;
1024 for (int i
= netbus
->LeftIndex();; i
+= netbus
->IsUp() ? +1 : -1)
1026 if (netbus
->ElementAtIndex(i
))
1028 int bitidx
= i
- wire
->start_offset
;
1029 net
= netbus
->ElementAtIndex(i
);
1030 RTLIL::SigBit
bit(wire
, bitidx
);
1032 if (init_nets
.count(net
)) {
1033 if (init_nets
.at(net
) == '0')
1034 initval
.bits
.at(bitidx
) = State::S0
;
1035 if (init_nets
.at(net
) == '1')
1036 initval
.bits
.at(bitidx
) = State::S1
;
1037 initval_valid
= true;
1038 init_nets
.erase(net
);
1041 if (net_map
.count(net
) == 0)
1044 module
->connect(bit
, net_map_at(net
));
1047 if (i
== netbus
->RightIndex())
1052 wire
->attributes
["\\init"] = initval
;
1056 if (verific_verbose
)
1057 log(" skipping netbus %s.\n", netbus
->Name());
1060 SigSpec anyconst_sig
;
1062 SigSpec allconst_sig
;
1065 for (int i
= netbus
->RightIndex();; i
+= netbus
->IsUp() ? -1 : +1) {
1066 net
= netbus
->ElementAtIndex(i
);
1067 if (net
!= nullptr && anyconst_nets
.count(net
)) {
1068 anyconst_sig
.append(net_map_at(net
));
1069 anyconst_nets
.erase(net
);
1071 if (net
!= nullptr && anyseq_nets
.count(net
)) {
1072 anyseq_sig
.append(net_map_at(net
));
1073 anyseq_nets
.erase(net
);
1075 if (net
!= nullptr && allconst_nets
.count(net
)) {
1076 allconst_sig
.append(net_map_at(net
));
1077 allconst_nets
.erase(net
);
1079 if (net
!= nullptr && allseq_nets
.count(net
)) {
1080 allseq_sig
.append(net_map_at(net
));
1081 allseq_nets
.erase(net
);
1083 if (i
== netbus
->LeftIndex())
1087 if (GetSize(anyconst_sig
))
1088 module
->connect(anyconst_sig
, module
->Anyconst(new_verific_id(netbus
), GetSize(anyconst_sig
)));
1090 if (GetSize(anyseq_sig
))
1091 module
->connect(anyseq_sig
, module
->Anyseq(new_verific_id(netbus
), GetSize(anyseq_sig
)));
1093 if (GetSize(allconst_sig
))
1094 module
->connect(allconst_sig
, module
->Allconst(new_verific_id(netbus
), GetSize(allconst_sig
)));
1096 if (GetSize(allseq_sig
))
1097 module
->connect(allseq_sig
, module
->Allseq(new_verific_id(netbus
), GetSize(allseq_sig
)));
1100 for (auto it
: init_nets
)
1103 SigBit bit
= net_map_at(it
.first
);
1104 log_assert(bit
.wire
);
1106 if (bit
.wire
->attributes
.count("\\init"))
1107 initval
= bit
.wire
->attributes
.at("\\init");
1109 while (GetSize(initval
) < GetSize(bit
.wire
))
1110 initval
.bits
.push_back(State::Sx
);
1112 if (it
.second
== '0')
1113 initval
.bits
.at(bit
.offset
) = State::S0
;
1114 if (it
.second
== '1')
1115 initval
.bits
.at(bit
.offset
) = State::S1
;
1117 bit
.wire
->attributes
["\\init"] = initval
;
1120 for (auto net
: anyconst_nets
)
1121 module
->connect(net_map_at(net
), module
->Anyconst(new_verific_id(net
)));
1123 for (auto net
: anyseq_nets
)
1124 module
->connect(net_map_at(net
), module
->Anyseq(new_verific_id(net
)));
1126 pool
<Instance
*, hash_ptr_ops
> sva_asserts
;
1127 pool
<Instance
*, hash_ptr_ops
> sva_assumes
;
1128 pool
<Instance
*, hash_ptr_ops
> sva_covers
;
1129 pool
<Instance
*, hash_ptr_ops
> sva_triggers
;
1131 pool
<RTLIL::Cell
*> past_ffs
;
1133 FOREACH_INSTANCE_OF_NETLIST(nl
, mi
, inst
)
1135 RTLIL::IdString inst_name
= module
->uniquify(mode_names
|| inst
->IsUserDeclared() ? RTLIL::escape_id(inst
->Name()) : new_verific_id(inst
));
1137 if (verific_verbose
)
1138 log(" importing cell %s (%s) as %s.\n", inst
->Name(), inst
->View()->Owner()->Name(), log_id(inst_name
));
1141 goto import_verific_cells
;
1143 if (inst
->Type() == PRIM_PWR
) {
1144 module
->connect(net_map_at(inst
->GetOutput()), RTLIL::State::S1
);
1148 if (inst
->Type() == PRIM_GND
) {
1149 module
->connect(net_map_at(inst
->GetOutput()), RTLIL::State::S0
);
1153 if (inst
->Type() == PRIM_BUF
) {
1154 auto outnet
= inst
->GetOutput();
1155 if (!any_all_nets
.count(outnet
))
1156 module
->addBufGate(inst_name
, net_map_at(inst
->GetInput()), net_map_at(outnet
));
1160 if (inst
->Type() == PRIM_X
) {
1161 module
->connect(net_map_at(inst
->GetOutput()), RTLIL::State::Sx
);
1165 if (inst
->Type() == PRIM_Z
) {
1166 module
->connect(net_map_at(inst
->GetOutput()), RTLIL::State::Sz
);
1170 if (inst
->Type() == OPER_READ_PORT
)
1172 RTLIL::Memory
*memory
= module
->memories
.at(RTLIL::escape_id(inst
->GetInput()->Name()));
1173 int numchunks
= int(inst
->OutputSize()) / memory
->width
;
1174 int chunksbits
= ceil_log2(numchunks
);
1176 if ((numchunks
* memory
->width
) != int(inst
->OutputSize()) || (numchunks
& (numchunks
- 1)) != 0)
1177 log_error("Import of asymmetric memories of this type is not supported yet: %s %s\n", inst
->Name(), inst
->GetInput()->Name());
1179 for (int i
= 0; i
< numchunks
; i
++)
1181 RTLIL::SigSpec addr
= {operatorInput1(inst
), RTLIL::Const(i
, chunksbits
)};
1182 RTLIL::SigSpec data
= operatorOutput(inst
).extract(i
* memory
->width
, memory
->width
);
1184 RTLIL::Cell
*cell
= module
->addCell(numchunks
== 1 ? inst_name
:
1185 RTLIL::IdString(stringf("%s_%d", inst_name
.c_str(), i
)), "$memrd");
1186 cell
->parameters
["\\MEMID"] = memory
->name
.str();
1187 cell
->parameters
["\\CLK_ENABLE"] = false;
1188 cell
->parameters
["\\CLK_POLARITY"] = true;
1189 cell
->parameters
["\\TRANSPARENT"] = false;
1190 cell
->parameters
["\\ABITS"] = GetSize(addr
);
1191 cell
->parameters
["\\WIDTH"] = GetSize(data
);
1192 cell
->setPort("\\CLK", RTLIL::State::Sx
);
1193 cell
->setPort("\\EN", RTLIL::State::Sx
);
1194 cell
->setPort("\\ADDR", addr
);
1195 cell
->setPort("\\DATA", data
);
1200 if (inst
->Type() == OPER_WRITE_PORT
|| inst
->Type() == OPER_CLOCKED_WRITE_PORT
)
1202 RTLIL::Memory
*memory
= module
->memories
.at(RTLIL::escape_id(inst
->GetOutput()->Name()));
1203 if (memory
->width
!= int(inst
->Input2Size()))
1204 log_error("Import of asymmetric memories of this type is not supported yet: %s %s\n", inst
->Name(), inst
->GetInput()->Name());
1206 RTLIL::SigSpec addr
= operatorInput1(inst
);
1207 RTLIL::SigSpec data
= operatorInput2(inst
);
1209 RTLIL::Cell
*cell
= module
->addCell(inst_name
, "$memwr");
1210 cell
->parameters
["\\MEMID"] = memory
->name
.str();
1211 cell
->parameters
["\\CLK_ENABLE"] = false;
1212 cell
->parameters
["\\CLK_POLARITY"] = true;
1213 cell
->parameters
["\\PRIORITY"] = 0;
1214 cell
->parameters
["\\ABITS"] = GetSize(addr
);
1215 cell
->parameters
["\\WIDTH"] = GetSize(data
);
1216 cell
->setPort("\\EN", RTLIL::SigSpec(net_map_at(inst
->GetControl())).repeat(GetSize(data
)));
1217 cell
->setPort("\\CLK", RTLIL::State::S0
);
1218 cell
->setPort("\\ADDR", addr
);
1219 cell
->setPort("\\DATA", data
);
1221 if (inst
->Type() == OPER_CLOCKED_WRITE_PORT
) {
1222 cell
->parameters
["\\CLK_ENABLE"] = true;
1223 cell
->setPort("\\CLK", net_map_at(inst
->GetClock()));
1229 if (import_netlist_instance_cells(inst
, inst_name
))
1231 if (inst
->IsOperator() && !verific_sva_prims
.count(inst
->Type()))
1232 log_warning("Unsupported Verific operator: %s (fallback to gate level implementation provided by verific)\n", inst
->View()->Owner()->Name());
1234 if (import_netlist_instance_gates(inst
, inst_name
))
1238 if (inst
->Type() == PRIM_SVA_ASSERT
|| inst
->Type() == PRIM_SVA_IMMEDIATE_ASSERT
)
1239 sva_asserts
.insert(inst
);
1241 if (inst
->Type() == PRIM_SVA_ASSUME
|| inst
->Type() == PRIM_SVA_IMMEDIATE_ASSUME
)
1242 sva_assumes
.insert(inst
);
1244 if (inst
->Type() == PRIM_SVA_COVER
|| inst
->Type() == PRIM_SVA_IMMEDIATE_COVER
)
1245 sva_covers
.insert(inst
);
1247 if (inst
->Type() == PRIM_SVA_TRIGGERED
)
1248 sva_triggers
.insert(inst
);
1250 if (inst
->Type() == OPER_SVA_STABLE
)
1252 VerificClocking
clocking(this, inst
->GetInput2Bit(0));
1253 log_assert(clocking
.disable_sig
== State::S0
);
1254 log_assert(clocking
.body_net
== nullptr);
1256 log_assert(inst
->Input1Size() == inst
->OutputSize());
1258 SigSpec sig_d
, sig_q
, sig_o
;
1259 sig_q
= module
->addWire(new_verific_id(inst
), inst
->Input1Size());
1261 for (int i
= int(inst
->Input1Size())-1; i
>= 0; i
--){
1262 sig_d
.append(net_map_at(inst
->GetInput1Bit(i
)));
1263 sig_o
.append(net_map_at(inst
->GetOutputBit(i
)));
1266 if (verific_verbose
) {
1267 log(" %sedge FF with D=%s, Q=%s, C=%s.\n", clocking
.posedge
? "pos" : "neg",
1268 log_signal(sig_d
), log_signal(sig_q
), log_signal(clocking
.clock_sig
));
1269 log(" XNOR with A=%s, B=%s, Y=%s.\n",
1270 log_signal(sig_d
), log_signal(sig_q
), log_signal(sig_o
));
1273 clocking
.addDff(new_verific_id(inst
), sig_d
, sig_q
);
1274 module
->addXnor(new_verific_id(inst
), sig_d
, sig_q
, sig_o
);
1280 if (inst
->Type() == PRIM_SVA_STABLE
)
1282 VerificClocking
clocking(this, inst
->GetInput2());
1283 log_assert(clocking
.disable_sig
== State::S0
);
1284 log_assert(clocking
.body_net
== nullptr);
1286 SigSpec sig_d
= net_map_at(inst
->GetInput1());
1287 SigSpec sig_o
= net_map_at(inst
->GetOutput());
1288 SigSpec sig_q
= module
->addWire(new_verific_id(inst
));
1290 if (verific_verbose
) {
1291 log(" %sedge FF with D=%s, Q=%s, C=%s.\n", clocking
.posedge
? "pos" : "neg",
1292 log_signal(sig_d
), log_signal(sig_q
), log_signal(clocking
.clock_sig
));
1293 log(" XNOR with A=%s, B=%s, Y=%s.\n",
1294 log_signal(sig_d
), log_signal(sig_q
), log_signal(sig_o
));
1297 clocking
.addDff(new_verific_id(inst
), sig_d
, sig_q
);
1298 module
->addXnor(new_verific_id(inst
), sig_d
, sig_q
, sig_o
);
1304 if (inst
->Type() == PRIM_SVA_PAST
)
1306 VerificClocking
clocking(this, inst
->GetInput2());
1307 log_assert(clocking
.disable_sig
== State::S0
);
1308 log_assert(clocking
.body_net
== nullptr);
1310 SigBit sig_d
= net_map_at(inst
->GetInput1());
1311 SigBit sig_q
= net_map_at(inst
->GetOutput());
1313 if (verific_verbose
)
1314 log(" %sedge FF with D=%s, Q=%s, C=%s.\n", clocking
.posedge
? "pos" : "neg",
1315 log_signal(sig_d
), log_signal(sig_q
), log_signal(clocking
.clock_sig
));
1317 past_ffs
.insert(clocking
.addDff(new_verific_id(inst
), sig_d
, sig_q
));
1323 if ((inst
->Type() == PRIM_SVA_ROSE
|| inst
->Type() == PRIM_SVA_FELL
))
1325 VerificClocking
clocking(this, inst
->GetInput2());
1326 log_assert(clocking
.disable_sig
== State::S0
);
1327 log_assert(clocking
.body_net
== nullptr);
1329 SigBit sig_d
= net_map_at(inst
->GetInput1());
1330 SigBit sig_o
= net_map_at(inst
->GetOutput());
1331 SigBit sig_q
= module
->addWire(new_verific_id(inst
));
1333 if (verific_verbose
)
1334 log(" %sedge FF with D=%s, Q=%s, C=%s.\n", clocking
.posedge
? "pos" : "neg",
1335 log_signal(sig_d
), log_signal(sig_q
), log_signal(clocking
.clock_sig
));
1337 clocking
.addDff(new_verific_id(inst
), sig_d
, sig_q
);
1338 module
->addEq(new_verific_id(inst
), {sig_q
, sig_d
}, Const(inst
->Type() == PRIM_SVA_ROSE
? 1 : 2, 2), sig_o
);
1344 if (!mode_keep
&& verific_sva_prims
.count(inst
->Type())) {
1345 if (verific_verbose
)
1346 log(" skipping SVA cell in non k-mode\n");
1350 if (inst
->Type() == PRIM_HDL_ASSERTION
)
1352 SigBit cond
= net_map_at(inst
->GetInput());
1354 if (verific_verbose
)
1355 log(" assert condition %s.\n", log_signal(cond
));
1357 const char *assume_attr
= nullptr; // inst->GetAttValue("assume");
1359 Cell
*cell
= nullptr;
1360 if (assume_attr
!= nullptr && !strcmp(assume_attr
, "1"))
1361 cell
= module
->addAssume(new_verific_id(inst
), cond
, State::S1
);
1363 cell
= module
->addAssert(new_verific_id(inst
), cond
, State::S1
);
1365 import_attributes(cell
->attributes
, inst
);
1369 if (inst
->IsPrimitive())
1372 log_error("Unsupported Verific primitive %s of type %s\n", inst
->Name(), inst
->View()->Owner()->Name());
1374 if (!verific_sva_prims
.count(inst
->Type()))
1375 log_warning("Unsupported Verific primitive %s of type %s\n", inst
->Name(), inst
->View()->Owner()->Name());
1378 import_verific_cells
:
1379 nl_todo
.insert(inst
->View());
1381 RTLIL::Cell
*cell
= module
->addCell(inst_name
, inst
->IsOperator() ?
1382 std::string("$verific$") + inst
->View()->Owner()->Name() : RTLIL::escape_id(inst
->View()->Owner()->Name()));
1384 if (inst
->IsPrimitive() && mode_keep
)
1385 cell
->attributes
["\\keep"] = 1;
1387 dict
<IdString
, vector
<SigBit
>> cell_port_conns
;
1389 if (verific_verbose
)
1390 log(" ports in verific db:\n");
1392 FOREACH_PORTREF_OF_INST(inst
, mi2
, pr
) {
1393 if (verific_verbose
)
1394 log(" .%s(%s)\n", pr
->GetPort()->Name(), pr
->GetNet()->Name());
1395 const char *port_name
= pr
->GetPort()->Name();
1396 int port_offset
= 0;
1397 if (pr
->GetPort()->Bus()) {
1398 port_name
= pr
->GetPort()->Bus()->Name();
1399 port_offset
= pr
->GetPort()->Bus()->IndexOf(pr
->GetPort()) -
1400 min(pr
->GetPort()->Bus()->LeftIndex(), pr
->GetPort()->Bus()->RightIndex());
1402 IdString port_name_id
= RTLIL::escape_id(port_name
);
1403 auto &sigvec
= cell_port_conns
[port_name_id
];
1404 if (GetSize(sigvec
) <= port_offset
) {
1405 SigSpec zwires
= module
->addWire(new_verific_id(inst
), port_offset
+1-GetSize(sigvec
));
1406 for (auto bit
: zwires
)
1407 sigvec
.push_back(bit
);
1409 sigvec
[port_offset
] = net_map_at(pr
->GetNet());
1412 if (verific_verbose
)
1413 log(" ports in yosys db:\n");
1415 for (auto &it
: cell_port_conns
) {
1416 if (verific_verbose
)
1417 log(" .%s(%s)\n", log_id(it
.first
), log_signal(it
.second
));
1418 cell
->setPort(it
.first
, it
.second
);
1424 for (auto inst
: sva_asserts
) {
1426 verific_import_sva_cover(this, inst
);
1427 verific_import_sva_assert(this, inst
);
1430 for (auto inst
: sva_assumes
)
1431 verific_import_sva_assume(this, inst
);
1433 for (auto inst
: sva_covers
)
1434 verific_import_sva_cover(this, inst
);
1436 for (auto inst
: sva_triggers
)
1437 verific_import_sva_trigger(this, inst
);
1439 merge_past_ffs(past_ffs
);
1443 // ==================================================================
1445 VerificClocking::VerificClocking(VerificImporter
*importer
, Net
*net
, bool sva_at_only
)
1447 module
= importer
->module
;
1449 log_assert(importer
!= nullptr);
1450 log_assert(net
!= nullptr);
1452 Instance
*inst
= net
->Driver();
1454 if (inst
!= nullptr && inst
->Type() == PRIM_SVA_AT
)
1456 net
= inst
->GetInput1();
1457 body_net
= inst
->GetInput2();
1459 inst
= net
->Driver();
1461 Instance
*body_inst
= body_net
->Driver();
1462 if (body_inst
!= nullptr && body_inst
->Type() == PRIM_SVA_DISABLE_IFF
) {
1463 disable_net
= body_inst
->GetInput1();
1464 disable_sig
= importer
->net_map_at(disable_net
);
1465 body_net
= body_inst
->GetInput2();
1474 // Use while() instead of if() to work around VIPER #13453
1475 while (inst
!= nullptr && inst
->Type() == PRIM_SVA_POSEDGE
)
1477 net
= inst
->GetInput();
1478 inst
= net
->Driver();;
1481 if (inst
!= nullptr && inst
->Type() == PRIM_INV
)
1483 net
= inst
->GetInput();
1484 inst
= net
->Driver();;
1488 // Detect clock-enable circuit
1490 if (inst
== nullptr || inst
->Type() != PRIM_AND
)
1493 Net
*net_dlatch
= inst
->GetInput1();
1494 Instance
*inst_dlatch
= net_dlatch
->Driver();
1496 if (inst_dlatch
== nullptr || inst_dlatch
->Type() != PRIM_DLATCHRS
)
1499 if (!inst_dlatch
->GetSet()->IsGnd() || !inst_dlatch
->GetReset()->IsGnd())
1502 Net
*net_enable
= inst_dlatch
->GetInput();
1503 Net
*net_not_clock
= inst_dlatch
->GetControl();
1505 if (net_enable
== nullptr || net_not_clock
== nullptr)
1508 Instance
*inst_not_clock
= net_not_clock
->Driver();
1510 if (inst_not_clock
== nullptr || inst_not_clock
->Type() != PRIM_INV
)
1513 Net
*net_clock1
= inst_not_clock
->GetInput();
1514 Net
*net_clock2
= inst
->GetInput2();
1516 if (net_clock1
== nullptr || net_clock1
!= net_clock2
)
1519 enable_net
= net_enable
;
1520 enable_sig
= importer
->net_map_at(enable_net
);
1523 inst
= net
->Driver();;
1526 // Detect condition expression
1528 if (body_net
== nullptr)
1531 Instance
*inst_mux
= body_net
->Driver();
1533 if (inst_mux
== nullptr || inst_mux
->Type() != PRIM_MUX
)
1536 if (!inst_mux
->GetInput1()->IsPwr())
1539 Net
*sva_net
= inst_mux
->GetInput2();
1540 if (!verific_is_sva_net(importer
, sva_net
))
1544 cond_net
= inst_mux
->GetControl();
1548 clock_sig
= importer
->net_map_at(clock_net
);
1550 const char *gclk_attr
= clock_net
->GetAttValue("gclk");
1551 if (gclk_attr
!= nullptr && (!strcmp(gclk_attr
, "1") || !strcmp(gclk_attr
, "'1'")))
1555 Cell
*VerificClocking::addDff(IdString name
, SigSpec sig_d
, SigSpec sig_q
, Const init_value
)
1557 log_assert(GetSize(sig_d
) == GetSize(sig_q
));
1559 if (GetSize(init_value
) != 0) {
1560 log_assert(GetSize(sig_q
) == GetSize(init_value
));
1561 if (sig_q
.is_wire()) {
1562 sig_q
.as_wire()->attributes
["\\init"] = init_value
;
1564 Wire
*w
= module
->addWire(NEW_ID
, GetSize(sig_q
));
1565 w
->attributes
["\\init"] = init_value
;
1566 module
->connect(sig_q
, w
);
1571 if (enable_sig
!= State::S1
)
1572 sig_d
= module
->Mux(NEW_ID
, sig_q
, sig_d
, enable_sig
);
1574 if (disable_sig
!= State::S0
) {
1575 log_assert(gclk
== false);
1576 log_assert(GetSize(sig_q
) == GetSize(init_value
));
1577 return module
->addAdff(name
, clock_sig
, disable_sig
, sig_d
, sig_q
, init_value
, posedge
);
1581 return module
->addFf(name
, sig_d
, sig_q
);
1583 return module
->addDff(name
, clock_sig
, sig_d
, sig_q
, posedge
);
1586 Cell
*VerificClocking::addAdff(IdString name
, RTLIL::SigSpec sig_arst
, SigSpec sig_d
, SigSpec sig_q
, Const arst_value
)
1588 log_assert(gclk
== false);
1589 log_assert(disable_sig
== State::S0
);
1591 if (enable_sig
!= State::S1
)
1592 sig_d
= module
->Mux(NEW_ID
, sig_q
, sig_d
, enable_sig
);
1594 return module
->addAdff(name
, clock_sig
, sig_arst
, sig_d
, sig_q
, arst_value
, posedge
);
1597 Cell
*VerificClocking::addDffsr(IdString name
, RTLIL::SigSpec sig_set
, RTLIL::SigSpec sig_clr
, SigSpec sig_d
, SigSpec sig_q
)
1599 log_assert(gclk
== false);
1600 log_assert(disable_sig
== State::S0
);
1602 if (enable_sig
!= State::S1
)
1603 sig_d
= module
->Mux(NEW_ID
, sig_q
, sig_d
, enable_sig
);
1605 return module
->addDffsr(name
, clock_sig
, sig_set
, sig_clr
, sig_d
, sig_q
, posedge
);
1608 // ==================================================================
1610 struct VerificExtNets
1612 int portname_cnt
= 0;
1614 // a map from Net to the same Net one level up in the design hierarchy
1615 std::map
<Net
*, Net
*> net_level_up
;
1617 Net
*get_net_level_up(Net
*net
)
1619 if (net_level_up
.count(net
) == 0)
1621 Netlist
*nl
= net
->Owner();
1623 // Simply return if Netlist is not unique
1624 if (nl
->NumOfRefs() != 1)
1627 Instance
*up_inst
= (Instance
*)nl
->GetReferences()->GetLast();
1628 Netlist
*up_nl
= up_inst
->Owner();
1631 string name
= stringf("___extnets_%d", portname_cnt
++);
1632 Port
*new_port
= new Port(name
.c_str(), DIR_OUT
);
1634 net
->Connect(new_port
);
1636 // create new Net in up Netlist
1637 Net
*new_net
= new Net(name
.c_str());
1638 up_nl
->Add(new_net
);
1639 up_inst
->Connect(new_port
, new_net
);
1641 net_level_up
[net
] = new_net
;
1644 return net_level_up
.at(net
);
1647 void run(Netlist
*nl
)
1653 vector
<tuple
<Instance
*, Port
*, Net
*>> todo_connect
;
1655 FOREACH_INSTANCE_OF_NETLIST(nl
, mi
, inst
)
1658 FOREACH_INSTANCE_OF_NETLIST(nl
, mi
, inst
)
1659 FOREACH_PORTREF_OF_INST(inst
, mi2
, pr
)
1661 Port
*port
= pr
->GetPort();
1662 Net
*net
= pr
->GetNet();
1664 if (!net
->IsExternalTo(nl
))
1667 if (verific_verbose
)
1668 log("Fixing external net reference on port %s.%s.%s:\n", get_full_netlist_name(nl
).c_str(), inst
->Name(), port
->Name());
1670 while (net
->IsExternalTo(nl
))
1672 Net
*newnet
= get_net_level_up(net
);
1673 if (newnet
== net
) break;
1675 if (verific_verbose
)
1676 log(" external net: %s.%s\n", get_full_netlist_name(net
->Owner()).c_str(), net
->Name());
1680 if (verific_verbose
)
1681 log(" final net: %s.%s%s\n", get_full_netlist_name(net
->Owner()).c_str(), net
->Name(), net
->IsExternalTo(nl
) ? " (external)" : "");
1682 todo_connect
.push_back(tuple
<Instance
*, Port
*, Net
*>(inst
, port
, net
));
1685 for (auto it
: todo_connect
) {
1686 get
<0>(it
)->Disconnect(get
<1>(it
));
1687 get
<0>(it
)->Connect(get
<1>(it
), get
<2>(it
));
1692 void verific_import(Design
*design
, std::string top
)
1694 verific_sva_fsm_limit
= 16;
1696 std::set
<Netlist
*> nl_todo
, nl_done
;
1699 VhdlLibrary
*vhdl_lib
= vhdl_file::GetLibrary("work", 1);
1700 VeriLibrary
*veri_lib
= veri_file::GetLibrary("work", 1);
1702 Array veri_libs
, vhdl_libs
;
1703 if (vhdl_lib
) vhdl_libs
.InsertLast(vhdl_lib
);
1704 if (veri_lib
) veri_libs
.InsertLast(veri_lib
);
1706 Array
*netlists
= hier_tree::ElaborateAll(&veri_libs
, &vhdl_libs
);
1710 FOREACH_ARRAY_ITEM(netlists
, i
, nl
) {
1711 if (top
.empty() || nl
->Owner()->Name() == top
)
1718 if (!verific_error_msg
.empty())
1719 log_error("%s\n", verific_error_msg
.c_str());
1721 VerificExtNets worker
;
1722 for (auto nl
: nl_todo
)
1725 while (!nl_todo
.empty()) {
1726 Netlist
*nl
= *nl_todo
.begin();
1727 if (nl_done
.count(nl
) == 0) {
1728 VerificImporter
importer(false, false, false, false, false, false);
1729 importer
.import_netlist(design
, nl
, nl_todo
);
1738 verific_incdirs
.clear();
1739 verific_libdirs
.clear();
1740 verific_import_pending
= false;
1742 if (!verific_error_msg
.empty())
1743 log_error("%s\n", verific_error_msg
.c_str());
1747 #endif /* YOSYS_ENABLE_VERIFIC */
1749 PRIVATE_NAMESPACE_BEGIN
1751 #ifdef YOSYS_ENABLE_VERIFIC
1752 bool check_noverific_env()
1754 const char *e
= getenv("YOSYS_NOVERIFIC");
1763 struct VerificPass
: public Pass
{
1764 VerificPass() : Pass("verific", "load Verilog and VHDL designs using Verific") { }
1765 void help() YS_OVERRIDE
1767 // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
1769 log(" verific {-vlog95|-vlog2k|-sv2005|-sv2009|-sv2012|-sv} <verilog-file>..\n");
1771 log("Load the specified Verilog/SystemVerilog files into Verific.\n");
1773 log("All files specified in one call to this command are one compilation unit.\n");
1774 log("Files passed to different calls to this command are treated as belonging to\n");
1775 log("different compilation units.\n");
1777 log("Additional -D<macro>[=<value>] options may be added after the option indicating\n");
1778 log("the language version (and before file names) to set additional verilog defines.\n");
1779 log("The macros SYNTHESIS and VERIFIC are defined implicitly.\n");
1782 log(" verific -formal <verilog-file>..\n");
1784 log("Like -sv, but define FORMAL instead of SYNTHESIS.\n");
1787 log(" verific {-vhdl87|-vhdl93|-vhdl2k|-vhdl2008|-vhdl} <vhdl-file>..\n");
1789 log("Load the specified VHDL files into Verific.\n");
1792 log(" verific -work <libname> {-sv|-vhdl|...} <hdl-file>\n");
1794 log("Load the specified Verilog/SystemVerilog/VHDL file into the specified library.\n");
1795 log("(default library when -work is not present: \"work\")\n");
1798 log(" verific -vlog-incdir <directory>..\n");
1800 log("Add Verilog include directories.\n");
1803 log(" verific -vlog-libdir <directory>..\n");
1805 log("Add Verilog library directories. Verific will search in this directories to\n");
1806 log("find undefined modules.\n");
1809 log(" verific -vlog-define <macro>[=<value>]..\n");
1811 log("Add Verilog defines.\n");
1814 log(" verific -vlog-undef <macro>..\n");
1816 log("Remove Verilog defines previously set with -vlog-define.\n");
1819 log(" verific -set-error <msg_id>..\n");
1820 log(" verific -set-warning <msg_id>..\n");
1821 log(" verific -set-info <msg_id>..\n");
1822 log(" verific -set-ignore <msg_id>..\n");
1824 log("Set message severity. <msg_id> is the string in square brackets when a message\n");
1825 log("is printed, such as VERI-1209.\n");
1828 log(" verific -import [options] <top-module>..\n");
1830 log("Elaborate the design for the specified top modules, import to Yosys and\n");
1831 log("reset the internal state of Verific.\n");
1833 log("Import options:\n");
1836 log(" Elaborate all modules, not just the hierarchy below the given top\n");
1837 log(" modules. With this option the list of modules to import is optional.\n");
1840 log(" Create a gate-level netlist.\n");
1843 log(" Flatten the design in Verific before importing.\n");
1846 log(" Resolve references to external nets by adding module ports as needed.\n");
1848 log(" -autocover\n");
1849 log(" Generate automatic cover statements for all asserts\n");
1852 log(" Verbose log messages. (-vv is even more verbose than -v.)\n");
1854 log("The following additional import options are useful for debugging the Verific\n");
1855 log("bindings (for Yosys and/or Verific developers):\n");
1858 log(" Keep going after an unsupported verific primitive is found. The\n");
1859 log(" unsupported primitive is added as blockbox module to the design.\n");
1860 log(" This will also add all SVA related cells to the design parallel to\n");
1861 log(" the checker logic inferred by it.\n");
1864 log(" Import Verific netlist as-is without translating to Yosys cell types. \n");
1867 log(" Ignore SVA properties, do not infer checker logic.\n");
1870 log(" Maximum number of ctrl bits for SVA checker FSMs (default=16).\n");
1873 log(" Keep all Verific names on instances and nets. By default only\n");
1874 log(" user-declared names are preserved.\n");
1876 log(" -d <dump_file>\n");
1877 log(" Dump the Verific netlist as a verilog file.\n");
1879 log("Visit http://verific.com/ for more information on Verific.\n");
1882 #ifdef YOSYS_ENABLE_VERIFIC
1883 void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) YS_OVERRIDE
1885 static bool set_verific_global_flags
= true;
1887 if (check_noverific_env())
1888 log_cmd_error("This version of Yosys is built without Verific support.\n");
1890 log_header(design
, "Executing VERIFIC (loading SystemVerilog and VHDL designs using Verific).\n");
1892 if (set_verific_global_flags
)
1894 Message::SetConsoleOutput(0);
1895 Message::RegisterCallBackMsg(msg_func
);
1896 RuntimeFlags::SetVar("db_preserve_user_nets", 1);
1897 RuntimeFlags::SetVar("db_allow_external_nets", 1);
1898 RuntimeFlags::SetVar("vhdl_support_variable_slice", 1);
1899 RuntimeFlags::SetVar("vhdl_ignore_assertion_statements", 0);
1900 RuntimeFlags::SetVar("veri_extract_dualport_rams", 0);
1901 RuntimeFlags::SetVar("veri_extract_multiport_rams", 1);
1902 RuntimeFlags::SetVar("db_infer_wide_operators", 1);
1904 // Workaround for VIPER #13851
1905 RuntimeFlags::SetVar("veri_create_name_for_unnamed_gen_block", 1);
1907 // WARNING: instantiating unknown module 'XYZ' (VERI-1063)
1908 Message::SetMessageType("VERI-1063", VERIFIC_ERROR
);
1910 set_verific_global_flags
= false;
1913 verific_verbose
= 0;
1914 verific_sva_fsm_limit
= 16;
1916 const char *release_str
= Message::ReleaseString();
1917 time_t release_time
= Message::ReleaseDate();
1918 char *release_tmstr
= ctime(&release_time
);
1920 if (release_str
== nullptr)
1921 release_str
= "(no release string)";
1923 for (char *p
= release_tmstr
; *p
; p
++)
1924 if (*p
== '\n') *p
= 0;
1926 log("Built with Verific %s, released at %s.\n", release_str
, release_tmstr
);
1929 std::string work
= "work";
1931 if (GetSize(args
) > argidx
&& (args
[argidx
] == "-set-error" || args
[argidx
] == "-set-warning" ||
1932 args
[argidx
] == "-set-info" || args
[argidx
] == "-set-ignore"))
1934 msg_type_t new_type
;
1936 if (args
[argidx
] == "-set-error")
1937 new_type
= VERIFIC_ERROR
;
1938 else if (args
[argidx
] == "-set-warning")
1939 new_type
= VERIFIC_WARNING
;
1940 else if (args
[argidx
] == "-set-info")
1941 new_type
= VERIFIC_INFO
;
1942 else if (args
[argidx
] == "-set-ignore")
1943 new_type
= VERIFIC_IGNORE
;
1947 for (argidx
++; argidx
< GetSize(args
); argidx
++)
1948 Message::SetMessageType(args
[argidx
].c_str(), new_type
);
1953 if (GetSize(args
) > argidx
&& args
[argidx
] == "-vlog-incdir") {
1954 for (argidx
++; argidx
< GetSize(args
); argidx
++)
1955 verific_incdirs
.push_back(args
[argidx
]);
1959 if (GetSize(args
) > argidx
&& args
[argidx
] == "-vlog-libdir") {
1960 for (argidx
++; argidx
< GetSize(args
); argidx
++)
1961 verific_libdirs
.push_back(args
[argidx
]);
1965 if (GetSize(args
) > argidx
&& args
[argidx
] == "-vlog-define") {
1966 for (argidx
++; argidx
< GetSize(args
); argidx
++) {
1967 string name
= args
[argidx
];
1968 size_t equal
= name
.find('=');
1969 if (equal
!= std::string::npos
) {
1970 string value
= name
.substr(equal
+1);
1971 name
= name
.substr(0, equal
);
1972 veri_file::DefineCmdLineMacro(name
.c_str(), value
.c_str());
1974 veri_file::DefineCmdLineMacro(name
.c_str());
1980 if (GetSize(args
) > argidx
&& args
[argidx
] == "-vlog-undef") {
1981 for (argidx
++; argidx
< GetSize(args
); argidx
++) {
1982 string name
= args
[argidx
];
1983 veri_file::UndefineMacro(name
.c_str());
1988 for (; argidx
< GetSize(args
); argidx
++)
1990 if (args
[argidx
] == "-work" && argidx
+1 < GetSize(args
)) {
1991 work
= args
[++argidx
];
1997 if (GetSize(args
) > argidx
&& (args
[argidx
] == "-vlog95" || args
[argidx
] == "-vlog2k" || args
[argidx
] == "-sv2005" ||
1998 args
[argidx
] == "-sv2009" || args
[argidx
] == "-sv2012" || args
[argidx
] == "-sv" || args
[argidx
] == "-formal"))
2001 unsigned verilog_mode
;
2003 if (args
[argidx
] == "-vlog95")
2004 verilog_mode
= veri_file::VERILOG_95
;
2005 else if (args
[argidx
] == "-vlog2k")
2006 verilog_mode
= veri_file::VERILOG_2K
;
2007 else if (args
[argidx
] == "-sv2005")
2008 verilog_mode
= veri_file::SYSTEM_VERILOG_2005
;
2009 else if (args
[argidx
] == "-sv2009")
2010 verilog_mode
= veri_file::SYSTEM_VERILOG_2009
;
2011 else if (args
[argidx
] == "-sv2012" || args
[argidx
] == "-sv" || args
[argidx
] == "-formal")
2012 verilog_mode
= veri_file::SYSTEM_VERILOG
;
2016 veri_file::DefineMacro("VERIFIC");
2017 veri_file::DefineMacro(args
[argidx
] == "-formal" ? "FORMAL" : "SYNTHESIS");
2019 for (argidx
++; argidx
< GetSize(args
) && GetSize(args
[argidx
]) >= 2 && args
[argidx
].substr(0, 2) == "-D"; argidx
++) {
2020 std::string name
= args
[argidx
].substr(2);
2021 if (args
[argidx
] == "-D") {
2022 if (++argidx
>= GetSize(args
))
2024 name
= args
[argidx
];
2026 size_t equal
= name
.find('=');
2027 if (equal
!= std::string::npos
) {
2028 string value
= name
.substr(equal
+1);
2029 name
= name
.substr(0, equal
);
2030 veri_file::DefineMacro(name
.c_str(), value
.c_str());
2032 veri_file::DefineMacro(name
.c_str());
2036 for (auto &dir
: verific_incdirs
)
2037 veri_file::AddIncludeDir(dir
.c_str());
2038 for (auto &dir
: verific_libdirs
)
2039 veri_file::AddYDir(dir
.c_str());
2041 while (argidx
< GetSize(args
))
2042 file_names
.Insert(args
[argidx
++].c_str());
2044 if (!veri_file::AnalyzeMultipleFiles(&file_names
, verilog_mode
, work
.c_str(), veri_file::MFCU
))
2045 log_cmd_error("Reading Verilog/SystemVerilog sources failed.\n");
2047 verific_import_pending
= true;
2051 if (GetSize(args
) > argidx
&& args
[argidx
] == "-vhdl87") {
2052 vhdl_file::SetDefaultLibraryPath((proc_share_dirname() + "verific/vhdl_vdbs_1987").c_str());
2053 for (argidx
++; argidx
< GetSize(args
); argidx
++)
2054 if (!vhdl_file::Analyze(args
[argidx
].c_str(), work
.c_str(), vhdl_file::VHDL_87
))
2055 log_cmd_error("Reading `%s' in VHDL_87 mode failed.\n", args
[argidx
].c_str());
2056 verific_import_pending
= true;
2060 if (GetSize(args
) > argidx
&& args
[argidx
] == "-vhdl93") {
2061 vhdl_file::SetDefaultLibraryPath((proc_share_dirname() + "verific/vhdl_vdbs_1993").c_str());
2062 for (argidx
++; argidx
< GetSize(args
); argidx
++)
2063 if (!vhdl_file::Analyze(args
[argidx
].c_str(), work
.c_str(), vhdl_file::VHDL_93
))
2064 log_cmd_error("Reading `%s' in VHDL_93 mode failed.\n", args
[argidx
].c_str());
2065 verific_import_pending
= true;
2069 if (GetSize(args
) > argidx
&& args
[argidx
] == "-vhdl2k") {
2070 vhdl_file::SetDefaultLibraryPath((proc_share_dirname() + "verific/vhdl_vdbs_1993").c_str());
2071 for (argidx
++; argidx
< GetSize(args
); argidx
++)
2072 if (!vhdl_file::Analyze(args
[argidx
].c_str(), work
.c_str(), vhdl_file::VHDL_2K
))
2073 log_cmd_error("Reading `%s' in VHDL_2K mode failed.\n", args
[argidx
].c_str());
2074 verific_import_pending
= true;
2078 if (GetSize(args
) > argidx
&& (args
[argidx
] == "-vhdl2008" || args
[argidx
] == "-vhdl")) {
2079 vhdl_file::SetDefaultLibraryPath((proc_share_dirname() + "verific/vhdl_vdbs_2008").c_str());
2080 for (argidx
++; argidx
< GetSize(args
); argidx
++)
2081 if (!vhdl_file::Analyze(args
[argidx
].c_str(), work
.c_str(), vhdl_file::VHDL_2008
))
2082 log_cmd_error("Reading `%s' in VHDL_2008 mode failed.\n", args
[argidx
].c_str());
2083 verific_import_pending
= true;
2087 if (GetSize(args
) > argidx
&& args
[argidx
] == "-import")
2089 std::set
<Netlist
*> nl_todo
, nl_done
;
2090 bool mode_all
= false, mode_gates
= false, mode_keep
= false;
2091 bool mode_nosva
= false, mode_names
= false, mode_verific
= false;
2092 bool mode_autocover
= false;
2093 bool flatten
= false, extnets
= false;
2096 for (argidx
++; argidx
< GetSize(args
); argidx
++) {
2097 if (args
[argidx
] == "-all") {
2101 if (args
[argidx
] == "-gates") {
2105 if (args
[argidx
] == "-flatten") {
2109 if (args
[argidx
] == "-extnets") {
2113 if (args
[argidx
] == "-k") {
2117 if (args
[argidx
] == "-nosva") {
2121 if (args
[argidx
] == "-L" && argidx
+1 < GetSize(args
)) {
2122 verific_sva_fsm_limit
= atoi(args
[++argidx
].c_str());
2125 if (args
[argidx
] == "-n") {
2129 if (args
[argidx
] == "-autocover") {
2130 mode_autocover
= true;
2133 if (args
[argidx
] == "-V") {
2134 mode_verific
= true;
2137 if (args
[argidx
] == "-v") {
2138 verific_verbose
= 1;
2141 if (args
[argidx
] == "-vv") {
2142 verific_verbose
= 2;
2145 if (args
[argidx
] == "-d" && argidx
+1 < GetSize(args
)) {
2146 dumpfile
= args
[++argidx
];
2152 if (argidx
> GetSize(args
) && args
[argidx
].substr(0, 1) == "-")
2153 cmd_error(args
, argidx
, "unknown option");
2157 log("Running hier_tree::ElaborateAll().\n");
2159 VhdlLibrary
*vhdl_lib
= vhdl_file::GetLibrary(work
.c_str(), 1);
2160 VeriLibrary
*veri_lib
= veri_file::GetLibrary(work
.c_str(), 1);
2162 Array veri_libs
, vhdl_libs
;
2163 if (vhdl_lib
) vhdl_libs
.InsertLast(vhdl_lib
);
2164 if (veri_lib
) veri_libs
.InsertLast(veri_lib
);
2166 Array
*netlists
= hier_tree::ElaborateAll(&veri_libs
, &vhdl_libs
);
2170 FOREACH_ARRAY_ITEM(netlists
, i
, nl
)
2176 if (argidx
== GetSize(args
))
2177 log_cmd_error("No top module specified.\n");
2179 Array veri_modules
, vhdl_units
;
2180 for (; argidx
< GetSize(args
); argidx
++)
2182 const char *name
= args
[argidx
].c_str();
2184 VeriModule
*veri_module
= veri_file::GetModule(name
);
2186 log("Adding Verilog module '%s' to elaboration queue.\n", name
);
2187 veri_modules
.InsertLast(veri_module
);
2191 VhdlLibrary
*vhdl_lib
= vhdl_file::GetLibrary(work
.c_str(), 1);
2192 VhdlDesignUnit
*vhdl_unit
= vhdl_lib
->GetPrimUnit(name
);
2194 log("Adding VHDL unit '%s' to elaboration queue.\n", name
);
2195 vhdl_units
.InsertLast(vhdl_unit
);
2199 log_error("Can't find module/unit '%s'.\n", name
);
2202 log("Running hier_tree::Elaborate().\n");
2203 Array
*netlists
= hier_tree::Elaborate(&veri_modules
, &vhdl_units
);
2207 FOREACH_ARRAY_ITEM(netlists
, i
, nl
)
2212 if (!verific_error_msg
.empty())
2216 for (auto nl
: nl_todo
)
2221 VerificExtNets worker
;
2222 for (auto nl
: nl_todo
)
2226 if (!dumpfile
.empty()) {
2227 VeriWrite veri_writer
;
2228 veri_writer
.WriteFile(dumpfile
.c_str(), Netlist::PresentDesign());
2231 while (!nl_todo
.empty()) {
2232 Netlist
*nl
= *nl_todo
.begin();
2233 if (nl_done
.count(nl
) == 0) {
2234 VerificImporter
importer(mode_gates
, mode_keep
, mode_nosva
,
2235 mode_names
, mode_verific
, mode_autocover
);
2236 importer
.import_netlist(design
, nl
, nl_todo
);
2245 verific_incdirs
.clear();
2246 verific_libdirs
.clear();
2247 verific_import_pending
= false;
2251 log_cmd_error("Missing or unsupported mode parameter.\n");
2254 if (!verific_error_msg
.empty())
2255 log_error("%s\n", verific_error_msg
.c_str());
2258 #else /* YOSYS_ENABLE_VERIFIC */
2259 void execute(std::vector
<std::string
>, RTLIL::Design
*) YS_OVERRIDE
{
2260 log_cmd_error("This version of Yosys is built without Verific support.\n");
2265 struct ReadPass
: public Pass
{
2266 ReadPass() : Pass("read", "load HDL designs") { }
2267 void help() YS_OVERRIDE
2269 // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
2271 log(" read {-vlog95|-vlog2k|-sv2005|-sv2009|-sv2012|-sv|-formal} <verilog-file>..\n");
2273 log("Load the specified Verilog/SystemVerilog files. (Full SystemVerilog support\n");
2274 log("is only available via Verific.)\n");
2276 log("Additional -D<macro>[=<value>] options may be added after the option indicating\n");
2277 log("the language version (and before file names) to set additional verilog defines.\n");
2280 log(" read {-vhdl87|-vhdl93|-vhdl2k|-vhdl2008|-vhdl} <vhdl-file>..\n");
2282 log("Load the specified VHDL files. (Requires Verific.)\n");
2285 log(" read -define <macro>[=<value>]..\n");
2287 log("Set global Verilog/SystemVerilog defines.\n");
2290 log(" read -undef <macro>..\n");
2292 log("Unset global Verilog/SystemVerilog defines.\n");
2295 log(" read -incdir <directory>\n");
2297 log("Add directory to global Verilog/SystemVerilog include directories.\n");
2300 void execute(std::vector
<std::string
> args
, RTLIL::Design
*design
) YS_OVERRIDE
2302 if (args
.size() < 2)
2303 log_cmd_error("Missing mode parameter.\n");
2305 if (args
.size() < 3)
2306 log_cmd_error("Missing file name parameter.\n");
2308 #ifdef YOSYS_ENABLE_VERIFIC
2309 bool use_verific
= !check_noverific_env();
2311 bool use_verific
= false;
2314 if (args
[1] == "-vlog95" || args
[1] == "-vlog2k") {
2316 args
[0] = "verific";
2318 args
[0] = "read_verilog";
2319 args
.erase(args
.begin()+1, args
.begin()+2);
2321 Pass::call(design
, args
);
2325 if (args
[1] == "-sv2005" || args
[1] == "-sv2009" || args
[1] == "-sv2012" || args
[1] == "-sv" || args
[1] == "-formal") {
2327 args
[0] = "verific";
2329 args
[0] = "read_verilog";
2330 if (args
[1] == "-formal")
2331 args
.insert(args
.begin()+1, std::string());
2334 Pass::call(design
, args
);
2338 if (args
[1] == "-vhdl87" || args
[1] == "-vhdl93" || args
[1] == "-vhdl2k" || args
[1] == "-vhdl2008" || args
[1] == "-vhdl") {
2340 args
[0] = "verific";
2341 Pass::call(design
, args
);
2343 log_cmd_error("This version of Yosys is built without Verific support.\n");
2348 if (args
[1] == "-define") {
2350 args
[0] = "verific";
2351 args
[1] = "-vlog-define";
2352 Pass::call(design
, args
);
2354 args
[0] = "verilog_defines";
2355 args
.erase(args
.begin()+1, args
.begin()+2);
2356 for (int i
= 1; i
< GetSize(args
); i
++)
2357 args
[i
] = "-D" + args
[i
];
2358 Pass::call(design
, args
);
2362 if (args
[1] == "-undef") {
2364 args
[0] = "verific";
2365 args
[1] = "-vlog-undef";
2366 Pass::call(design
, args
);
2368 args
[0] = "verilog_defines";
2369 args
.erase(args
.begin()+1, args
.begin()+2);
2370 for (int i
= 1; i
< GetSize(args
); i
++)
2371 args
[i
] = "-U" + args
[i
];
2372 Pass::call(design
, args
);
2376 if (args
[1] == "-incdir") {
2378 args
[0] = "verific";
2379 args
[1] = "-vlog-incdir";
2380 Pass::call(design
, args
);
2382 args
[0] = "verilog_defaults";
2384 for (int i
= 2; i
< GetSize(args
); i
++)
2385 args
[i
] = "-I" + args
[i
];
2386 Pass::call(design
, args
);
2390 log_cmd_error("Missing or unsupported mode parameter.\n");
2394 PRIVATE_NAMESPACE_END