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Progress in Verific bindings

This commit is contained in:
Clifford Wolf 2014-03-17 02:43:53 +01:00
parent a67cd2d4a2
commit 0b0dcfda7d
1 changed files with 50 additions and 5 deletions
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55
frontends/verific/verific.cc
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@ -110,6 +110,33 @@ static RTLIL::SigSpec operatorInput2(Instance *inst, std::map<Net*, RTLIL::SigBi
return sig;
}
static RTLIL::SigSpec operatorInport(Instance *inst, const char *portname, std::map<Net*, RTLIL::SigBit> &net_map)
{
PortBus *portbus = inst->View()->GetPortBus(portname);
if (portbus) {
RTLIL::SigSpec sig;
for (unsigned i = 0; i < portbus->Size(); i++) {
Net *net = inst->GetNet(portbus->ElementAtIndex(i));
if (net) {
if (net->IsGnd())
sig.append(RTLIL::State::S0);
else if (net->IsPwr())
sig.append(RTLIL::State::S1);
else
sig.append(net_map.at(net));
} else
sig.append(RTLIL::State::Sz);
}
sig.optimize();
return sig;
} else {
Port *port = inst->View()->GetPort(portname);
log_assert(port != NULL);
Net *net = inst->GetNet(port);
return net_map.at(net);
}
}
static RTLIL::SigSpec operatorOutput(Instance *inst, std::map<Net*, RTLIL::SigBit> &net_map, RTLIL::Module *module)
{
RTLIL::SigSpec sig;
@ -235,7 +262,18 @@ static bool import_netlist_instance_cells(RTLIL::Module *module, std::map<Net*,
if (inst->Type() == PRIM_DFFRS)
{
// FIXME
if (inst->GetSet()->IsGnd() && inst->GetReset()->IsGnd())
module->addDff(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()));
else if (inst->GetSet()->IsGnd())
module->addAdff(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetReset()),
net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()), false);
else if (inst->GetReset()->IsGnd())
module->addAdff(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetSet()),
net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()), true);
else
module->addDffsr(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), net_map.at(inst->GetSet()), net_map.at(inst->GetReset()),
net_map.at(inst->GetInput()), net_map.at(inst->GetOutput()));
return true;
}
#define IN operatorInput(inst, net_map)
@ -381,6 +419,16 @@ static bool import_netlist_instance_cells(RTLIL::Module *module, std::map<Net*,
return true;
}
if (inst->Type() == OPER_WIDE_DFFRS) {
RTLIL::SigSpec sig_set = operatorInport(inst, "set", net_map);
RTLIL::SigSpec sig_reset = operatorInport(inst, "reset", net_map);
if (sig_set.is_fully_const() && !sig_set.as_bool() && sig_set.is_fully_const() && !sig_set.as_bool()) {
module->addDff(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), IN, OUT);
} else
module->addDffsr(RTLIL::escape_id(inst->Name()), net_map.at(inst->GetClock()), sig_set, sig_reset, IN, OUT);
return true;
}
#undef IN
#undef IN1
#undef IN2
@ -527,10 +575,7 @@ static void import_netlist(RTLIL::Design *design, Netlist *nl, std::set<Netlist*
import_attributes(wire->attributes, port);
module->add(wire);
if (net_map.count(net) == 0)
net_map[net] = wire;
else
module->connections.push_back(RTLIL::SigSig(wire, net_map.at(net)));
net_map[net] = wire;
}
FOREACH_NETBUS_OF_NETLIST(nl, mi, netbus)