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Add "verific -import -n" and "verific -import -nosva"

This commit is contained in:
Clifford Wolf 2017-07-27 11:54:45 +02:00
parent b24f737759
commit d9641621d9
1 changed files with 36 additions and 14 deletions
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50
frontends/verific/verific.cc
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@ -112,13 +112,14 @@ struct VerificImporter
std::map<Net*, RTLIL::SigBit> net_map;
std::map<Net*, Net*> sva_posedge_map;
bool mode_gates, mode_keep, verbose;
bool mode_gates, mode_keep, mode_nosva, mode_names, verbose;
pool<int> verific_sva_prims;
pool<int> verific_psl_prims;
VerificImporter(bool mode_gates, bool mode_keep, bool verbose) :
mode_gates(mode_gates), mode_keep(mode_keep), verbose(verbose)
VerificImporter(bool mode_gates, bool mode_keep, bool mode_nosva, bool mode_names, bool verbose) :
mode_gates(mode_gates), mode_keep(mode_keep),
mode_nosva(mode_nosva), mode_names(mode_names), verbose(verbose)
{
// Copy&paste from Verific 3.16_484_32_170630 Netlist.h
vector<int> sva_prims {
@ -820,7 +821,7 @@ struct VerificImporter
if (net->Bus())
continue;
RTLIL::IdString wire_name = module->uniquify(net->IsUserDeclared() ? RTLIL::escape_id(net->Name()) : NEW_ID);
RTLIL::IdString wire_name = module->uniquify(mode_names || net->IsUserDeclared() ? RTLIL::escape_id(net->Name()) : NEW_ID);
if (verbose)
log(" importing net %s as %s.\n", net->Name(), log_id(wire_name));
@ -947,7 +948,7 @@ struct VerificImporter
FOREACH_INSTANCE_OF_NETLIST(nl, mi, inst)
{
RTLIL::IdString inst_name = module->uniquify(inst->IsUserDeclared() ? RTLIL::escape_id(inst->Name()) : NEW_ID);
RTLIL::IdString inst_name = module->uniquify(mode_names || inst->IsUserDeclared() ? RTLIL::escape_id(inst->Name()) : NEW_ID);
if (verbose)
log(" importing cell %s (%s) as %s.\n", inst->Name(), inst->View()->Owner()->Name(), log_id(inst_name));
@ -1065,7 +1066,7 @@ struct VerificImporter
if (inst->Type() == PRIM_SVA_COVER)
sva_covers.insert(inst);
if (inst->Type() == PRIM_SVA_PAST)
if (inst->Type() == PRIM_SVA_PAST && !mode_nosva)
{
VerificClockEdge clock_edge(this, inst->GetInput2()->Driver());
@ -1140,14 +1141,17 @@ struct VerificImporter
}
}
for (auto inst : sva_asserts)
import_sva_assert(this, inst);
if (!mode_nosva)
{
for (auto inst : sva_asserts)
import_sva_assert(this, inst);
for (auto inst : sva_assumes)
import_sva_assume(this, inst);
for (auto inst : sva_assumes)
import_sva_assume(this, inst);
for (auto inst : sva_covers)
import_sva_cover(this, inst);
for (auto inst : sva_covers)
import_sva_cover(this, inst);
}
}
};
@ -1308,7 +1312,7 @@ struct VerificSvaImporter
// generate assert/assume/cover cell
RTLIL::IdString root_name = module->uniquify(root->IsUserDeclared() ? RTLIL::escape_id(root->Name()) : NEW_ID);
RTLIL::IdString root_name = module->uniquify(importer->mode_names || root->IsUserDeclared() ? RTLIL::escape_id(root->Name()) : NEW_ID);
if (mode_assert) module->addAssert(root_name, seq.sig_a, seq.sig_en);
if (mode_assume) module->addAssume(root_name, seq.sig_a, seq.sig_en);
@ -1470,6 +1474,15 @@ struct VerificPass : public Pass {
log(" -k\n");
log(" Keep going after an unsupported verific primitive is found. The\n");
log(" unsupported primitive is added as blockbox module to the design.\n");
log(" This will also add all SVA related cells to the design parallel to\n");
log(" the checker logic inferred by it.\n");
log("\n");
log(" -nosva\n");
log(" Ignore SVA properties, do not infer checker logic.\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");
log("\n");
log(" -d <dump_file>\n");
log(" Dump the Verific netlist as a verilog file.\n");
@ -1579,6 +1592,7 @@ 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_names = false;
bool verbose = false, flatten = false, extnets = false;
string dumpfile;
@ -1603,6 +1617,14 @@ struct VerificPass : public Pass {
mode_keep = true;
continue;
}
if (args[argidx] == "-nosva") {
mode_nosva = true;
continue;
}
if (args[argidx] == "-n") {
mode_names = true;
continue;
}
if (args[argidx] == "-v") {
verbose = true;
continue;
@ -1694,7 +1716,7 @@ 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, verbose);
VerificImporter importer(mode_gates, mode_keep, mode_nosva, mode_names, verbose);
importer.import_netlist(design, nl, nl_todo);
}
nl_todo.erase(nl);