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Merge branch 'verificsva-ng'

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This commit is contained in:
Clifford Wolf 2018-02-28 15:32:53 +01:00
commit 3df0d04a7b
4 changed files with 782 additions and 433 deletions
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91
frontends/verific/verific.cc
View file

@ -60,6 +60,7 @@ using namespace Verific;
#ifdef YOSYS_ENABLE_VERIFIC
YOSYS_NAMESPACE_BEGIN
bool verific_verbose;
string verific_error_msg;
void msg_func(msg_type_t msg_type, const char *message_id, linefile_type linefile, const char *msg, va_list args)
@ -97,9 +98,9 @@ string get_full_netlist_name(Netlist *nl)
// ==================================================================
VerificImporter::VerificImporter(bool mode_gates, bool mode_keep, bool mode_nosva, bool mode_nosvapp, bool mode_names, bool verbose) :
VerificImporter::VerificImporter(bool mode_gates, bool mode_keep, bool mode_nosva, bool mode_names) :
mode_gates(mode_gates), mode_keep(mode_keep), mode_nosva(mode_nosva),
mode_nosvapp(mode_nosvapp), mode_names(mode_names), verbose(verbose)
mode_names(mode_names)
{
}
@ -642,13 +643,13 @@ void VerificImporter::merge_past_ffs_clock(pool<RTLIL::Cell*> &candidates, SigBi
SigSpec sig_q = module->addWire(NEW_ID, GetSize(sig_d));
RTLIL::Cell *new_ff = module->addDff(NEW_ID, clock, sig_d, sig_q, clock_pol);
if (verbose)
if (verific_verbose)
log(" merging single-bit past_ffs into new %d-bit ff %s.\n", GetSize(sig_d), log_id(new_ff));
for (int i = 0; i < GetSize(sig_d); i++)
for (auto old_ff : dbits_db[sig_d[i]])
{
if (verbose)
if (verific_verbose)
log(" replacing old ff %s on bit %d.\n", log_id(old_ff), i);
SigBit old_q = old_ff->getPort("\\Q");
@ -711,38 +712,12 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
Instance *inst;
PortRef *pr;
if (!mode_nosvapp)
{
vector<Instance*> asserts, assumes, covers;
FOREACH_INSTANCE_OF_NETLIST(nl, mi, inst)
{
if (inst->Type() == PRIM_SVA_ASSERT || inst->Type() == PRIM_SVA_IMMEDIATE_ASSERT)
asserts.push_back(inst);
if (inst->Type() == PRIM_SVA_ASSUME || inst->Type() == PRIM_SVA_IMMEDIATE_ASSUME)
assumes.push_back(inst);
if (inst->Type() == PRIM_SVA_COVER || inst->Type() == PRIM_SVA_IMMEDIATE_COVER)
covers.push_back(inst);
}
for (auto inst : asserts)
svapp_assert(inst);
for (auto inst : assumes)
svapp_assume(inst);
for (auto inst : covers)
svapp_cover(inst);
}
FOREACH_PORT_OF_NETLIST(nl, mi, port)
{
if (port->Bus())
continue;
if (verbose)
if (verific_verbose)
log(" importing port %s.\n", port->Name());
RTLIL::Wire *wire = module->addWire(RTLIL::escape_id(port->Name()));
@ -768,7 +743,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
FOREACH_PORTBUS_OF_NETLIST(nl, mi, portbus)
{
if (verbose)
if (verific_verbose)
log(" importing portbus %s.\n", portbus->Name());
RTLIL::Wire *wire = module->addWire(RTLIL::escape_id(portbus->Name()), portbus->Size());
@ -882,7 +857,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
anyseq_nets.insert(net);
if (net_map.count(net)) {
if (verbose)
if (verific_verbose)
log(" skipping net %s.\n", net->Name());
continue;
}
@ -892,7 +867,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
RTLIL::IdString wire_name = module->uniquify(mode_names || net->IsUserDeclared() ? RTLIL::escape_id(net->Name()) : NEW_ID);
if (verbose)
if (verific_verbose)
log(" importing net %s as %s.\n", net->Name(), log_id(wire_name));
RTLIL::Wire *wire = module->addWire(wire_name);
@ -916,7 +891,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
{
RTLIL::IdString wire_name = module->uniquify(mode_names || netbus->IsUserDeclared() ? RTLIL::escape_id(netbus->Name()) : NEW_ID);
if (verbose)
if (verific_verbose)
log(" importing netbus %s as %s.\n", netbus->Name(), log_id(wire_name));
RTLIL::Wire *wire = module->addWire(wire_name, netbus->Size());
@ -958,7 +933,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
}
else
{
if (verbose)
if (verific_verbose)
log(" skipping netbus %s.\n", netbus->Name());
}
@ -1022,7 +997,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
{
RTLIL::IdString inst_name = module->uniquify(mode_names || inst->IsUserDeclared() ? RTLIL::escape_id(inst->Name()) : NEW_ID);
if (verbose)
if (verific_verbose)
log(" importing cell %s (%s) as %s.\n", inst->Name(), inst->View()->Owner()->Name(), log_id(inst_name));
if (inst->Type() == PRIM_PWR) {
@ -1134,7 +1109,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
sig_o.append(net_map_at(inst->GetOutputBit(i)));
}
if (verbose) {
if (verific_verbose) {
log(" %sedge FF with D=%s, Q=%s, C=%s.\n", clock_edge.posedge ? "pos" : "neg",
log_signal(sig_d), log_signal(sig_q), log_signal(clock_edge.clock_sig));
log(" XNOR with A=%s, B=%s, Y=%s.\n",
@ -1156,7 +1131,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
SigSpec sig_o = net_map_at(inst->GetOutput());
SigSpec sig_q = module->addWire(NEW_ID);
if (verbose) {
if (verific_verbose) {
log(" %sedge FF with D=%s, Q=%s, C=%s.\n", clock_edge.posedge ? "pos" : "neg",
log_signal(sig_d), log_signal(sig_q), log_signal(clock_edge.clock_sig));
log(" XNOR with A=%s, B=%s, Y=%s.\n",
@ -1177,7 +1152,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
SigBit sig_d = net_map_at(inst->GetInput1());
SigBit sig_q = net_map_at(inst->GetOutput());
if (verbose)
if (verific_verbose)
log(" %sedge FF with D=%s, Q=%s, C=%s.\n", clock_edge.posedge ? "pos" : "neg",
log_signal(sig_d), log_signal(sig_q), log_signal(clock_edge.clock_sig));
@ -1188,7 +1163,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
}
if (!mode_keep && verific_sva_prims.count(inst->Type())) {
if (verbose)
if (verific_verbose)
log(" skipping SVA cell in non k-mode\n");
continue;
}
@ -1215,11 +1190,11 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
dict<IdString, vector<SigBit>> cell_port_conns;
if (verbose)
if (verific_verbose)
log(" ports in verific db:\n");
FOREACH_PORTREF_OF_INST(inst, mi2, pr) {
if (verbose)
if (verific_verbose)
log(" .%s(%s)\n", pr->GetPort()->Name(), pr->GetNet()->Name());
const char *port_name = pr->GetPort()->Name();
int port_offset = 0;
@ -1238,11 +1213,11 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
sigvec[port_offset] = net_map_at(pr->GetNet());
}
if (verbose)
if (verific_verbose)
log(" ports in yosys db:\n");
for (auto &it : cell_port_conns) {
if (verbose)
if (verific_verbose)
log(" .%s(%s)\n", log_id(it.first), log_signal(it.second));
cell->setPort(it.first, it.second);
}
@ -1292,7 +1267,6 @@ VerificClockEdge::VerificClockEdge(VerificImporter *importer, Instance *inst)
struct VerificExtNets
{
int portname_cnt = 0;
bool verbose = false;
// a map from Net to the same Net one level up in the design hierarchy
std::map<Net*, Net*> net_level_up;
@ -1347,7 +1321,7 @@ struct VerificExtNets
if (!net->IsExternalTo(nl))
continue;
if (verbose)
if (verific_verbose)
log("Fixing external net reference on port %s.%s.%s:\n", get_full_netlist_name(nl).c_str(), inst->Name(), port->Name());
while (net->IsExternalTo(nl))
@ -1355,12 +1329,12 @@ struct VerificExtNets
Net *newnet = get_net_level_up(net);
if (newnet == net) break;
if (verbose)
if (verific_verbose)
log(" external net: %s.%s\n", get_full_netlist_name(net->Owner()).c_str(), net->Name());
net = newnet;
}
if (verbose)
if (verific_verbose)
log(" final net: %s.%s%s\n", get_full_netlist_name(net->Owner()).c_str(), net->Name(), net->IsExternalTo(nl) ? " (external)" : "");
todo_connect.push_back(tuple<Instance*, Port*, Net*>(inst, port, net));
}
@ -1444,9 +1418,6 @@ struct VerificPass : public Pass {
log(" -nosva\n");
log(" Ignore SVA properties, do not infer checker logic.\n");
log("\n");
log(" -nosvapp\n");
log(" Disable SVA properties pre-processing pass. This implies -nosva.\n");
log("\n");
log(" -n\n");
log(" Keep all Verific names on instances and nets. By default only\n");
log(" user-declared names are preserved.\n");
@ -1469,6 +1440,8 @@ struct VerificPass : public Pass {
veri_file::DefineCmdLineMacro("VERIFIC");
veri_file::DefineCmdLineMacro("SYNTHESIS");
verific_verbose = false;
const char *release_str = Message::ReleaseString();
time_t release_time = Message::ReleaseDate();
char *release_tmstr = ctime(&release_time);
@ -1581,8 +1554,8 @@ struct VerificPass : public Pass {
{
std::set<Netlist*> nl_todo, nl_done;
bool mode_all = false, mode_gates = false, mode_keep = false;
bool mode_nosva = false, mode_nosvapp = false, mode_names = false;
bool verbose = false, flatten = false, extnets = false;
bool mode_nosva = false, mode_names = false;
bool flatten = false, extnets = false;
string dumpfile;
for (argidx++; argidx < GetSize(args); argidx++) {
@ -1610,17 +1583,12 @@ struct VerificPass : public Pass {
mode_nosva = true;
continue;
}
if (args[argidx] == "-nosvapp") {
mode_nosva = true;
mode_nosvapp = true;
continue;
}
if (args[argidx] == "-n") {
mode_names = true;
continue;
}
if (args[argidx] == "-v") {
verbose = true;
verific_verbose = true;
continue;
}
if (args[argidx] == "-d" && argidx+1 < GetSize(args)) {
@ -1697,7 +1665,6 @@ struct VerificPass : public Pass {
if (extnets) {
VerificExtNets worker;
worker.verbose = verbose;
for (auto nl : nl_todo)
worker.run(nl);
}
@ -1710,7 +1677,7 @@ struct VerificPass : public Pass {
while (!nl_todo.empty()) {
Netlist *nl = *nl_todo.begin();
if (nl_done.count(nl) == 0) {
VerificImporter importer(mode_gates, mode_keep, mode_nosva, mode_nosvapp, mode_names, verbose);
VerificImporter importer(mode_gates, mode_keep, mode_nosva, mode_names);
importer.import_netlist(design, nl, nl_todo);
}
nl_todo.erase(nl);

10
frontends/verific/verific.h
View file

@ -23,6 +23,8 @@
YOSYS_NAMESPACE_BEGIN
extern bool verific_verbose;
extern pool<int> verific_sva_prims;
struct VerificImporter;
@ -42,9 +44,9 @@ struct VerificImporter
std::map<Verific::Net*, RTLIL::SigBit> net_map;
std::map<Verific::Net*, Verific::Net*> sva_posedge_map;
bool mode_gates, mode_keep, mode_nosva, mode_nosvapp, mode_names, verbose;
bool mode_gates, mode_keep, mode_nosva, mode_names;
VerificImporter(bool mode_gates, bool mode_keep, bool mode_nosva, bool mode_nosvapp, bool mode_names, bool verbose);
VerificImporter(bool mode_gates, bool mode_keep, bool mode_nosva, bool mode_names);
RTLIL::SigBit net_map_at(Verific::Net *net);
@ -70,10 +72,6 @@ void import_sva_assert(VerificImporter *importer, Verific::Instance *inst);
void import_sva_assume(VerificImporter *importer, Verific::Instance *inst);
void import_sva_cover(VerificImporter *importer, Verific::Instance *inst);
void svapp_assert(Verific::Instance *inst);
void svapp_assume(Verific::Instance *inst);
void svapp_cover(Verific::Instance *inst);
YOSYS_NAMESPACE_END
#endif

1112
frontends/verific/verificsva.cc
View file

File diff suppressed because it is too large Load diff

2
tests/sva/sva_range.sv
View file

@ -5,7 +5,7 @@ module top (
default clocking @(posedge clk); endclocking
assert property (
a ##[*] b |=> c until ##[*] d
a ##[*] b |=> c until d
);
`ifndef FAIL