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authorEddie Hung <eddie@fpgeh.com>2020-04-27 08:43:54 -0700
committerEddie Hung <eddie@fpgeh.com>2020-04-27 08:43:54 -0700
commitdd5f206d9edd32fcb17d6cb67343eb65abb688cc (patch)
treec9423a595b5efdba0f01f4a56731c65e480b03ca /frontends/verific
parentb52eccef3a40116c035e91eff5df80134b310db4 (diff)
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verific: recover wiretype/enum attr as part of import_attributes()
Diffstat (limited to 'frontends/verific')
-rw-r--r--frontends/verific/verific.cc39
-rw-r--r--frontends/verific/verific.h2
2 files changed, 35 insertions, 6 deletions
diff --git a/frontends/verific/verific.cc b/frontends/verific/verific.cc
index 519151310..05c9a5e80 100644
--- a/frontends/verific/verific.cc
+++ b/frontends/verific/verific.cc
@@ -149,7 +149,7 @@ RTLIL::IdString VerificImporter::new_verific_id(Verific::DesignObj *obj)
return s;
}
-void VerificImporter::import_attributes(dict<RTLIL::IdString, RTLIL::Const> &attributes, DesignObj *obj)
+void VerificImporter::import_attributes(dict<RTLIL::IdString, RTLIL::Const> &attributes, DesignObj *obj, Netlist *nl)
{
MapIter mi;
Att *attr;
@@ -163,6 +163,35 @@ void VerificImporter::import_attributes(dict<RTLIL::IdString, RTLIL::Const> &att
continue;
attributes[RTLIL::escape_id(attr->Key())] = RTLIL::Const(std::string(attr->Value()));
}
+
+ if (nl) {
+ auto type_range = nl->GetTypeRange(obj->Name());
+ if (!type_range)
+ return;
+ if (!type_range->IsTypeEnum())
+ return;
+ attributes.emplace(ID::wiretype, RTLIL::escape_id(type_range->GetTypeName()));
+
+ MapIter mi;
+ const char *k, *v;
+ FOREACH_MAP_ITEM(type_range->GetEnumIdMap(), mi, &k, &v) {
+ // Expect <decimal>'b<binary>
+ auto p = strchr(v, '\'');
+ if (p) {
+ if (*(p+1) != 'b')
+ p = nullptr;
+ else
+ for (auto q = p+2; *q != '\0'; q++)
+ if (*q != '0' && *q != '1') {
+ p = nullptr;
+ break;
+ }
+ }
+ if (p == nullptr)
+ log_error("Expected TypeRange value '%s' to be of form <decimal>'b<binary>.\n", v);
+ attributes.emplace(stringf("\\enum_value_%s", p+2), RTLIL::escape_id(k));
+ }
+ }
}
RTLIL::SigSpec VerificImporter::operatorInput(Instance *inst)
@@ -845,7 +874,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
log(" importing port %s.\n", port->Name());
RTLIL::Wire *wire = module->addWire(RTLIL::escape_id(port->Name()));
- import_attributes(wire->attributes, port);
+ import_attributes(wire->attributes, port, nl);
wire->port_id = nl->IndexOf(port) + 1;
@@ -872,7 +901,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
RTLIL::Wire *wire = module->addWire(RTLIL::escape_id(portbus->Name()), portbus->Size());
wire->start_offset = min(portbus->LeftIndex(), portbus->RightIndex());
- import_attributes(wire->attributes, portbus);
+ import_attributes(wire->attributes, portbus, nl);
if (portbus->GetDir() == DIR_INOUT || portbus->GetDir() == DIR_IN)
wire->port_input = true;
@@ -1021,7 +1050,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
log(" importing net %s as %s.\n", net->Name(), log_id(wire_name));
RTLIL::Wire *wire = module->addWire(wire_name);
- import_attributes(wire->attributes, net);
+ import_attributes(wire->attributes, net, nl);
net_map[net] = wire;
}
@@ -1046,7 +1075,7 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::se
RTLIL::Wire *wire = module->addWire(wire_name, netbus->Size());
wire->start_offset = min(netbus->LeftIndex(), netbus->RightIndex());
- import_attributes(wire->attributes, netbus);
+ import_attributes(wire->attributes, netbus, nl);
RTLIL::Const initval = Const(State::Sx, GetSize(wire));
bool initval_valid = false;
diff --git a/frontends/verific/verific.h b/frontends/verific/verific.h
index 2ccfcd42c..f168a2588 100644
--- a/frontends/verific/verific.h
+++ b/frontends/verific/verific.h
@@ -79,7 +79,7 @@ struct VerificImporter
RTLIL::SigBit net_map_at(Verific::Net *net);
RTLIL::IdString new_verific_id(Verific::DesignObj *obj);
- void import_attributes(dict<RTLIL::IdString, RTLIL::Const> &attributes, Verific::DesignObj *obj);
+ void import_attributes(dict<RTLIL::IdString, RTLIL::Const> &attributes, Verific::DesignObj *obj, Verific::Netlist *nl = nullptr);
RTLIL::SigSpec operatorInput(Verific::Instance *inst);
RTLIL::SigSpec operatorInput1(Verific::Instance *inst);