caiyu/nextpnr
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Restore routing from json

Browse Source
This commit is contained in:
Miodrag Milanovic 2019-06-07 14:23:57 +02:00
parent 07b21c5129
commit 5b62f33dd5
1 changed files with 21 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
common/nextpnr.cc
View File

@ -488,11 +488,14 @@ void BaseCtx::archInfoToAttributes()
for (auto &net : getCtx()->nets) {
auto ni = net.second.get();
std::string routing;
bool first = true;
for (auto &item : ni->wires) {
if (!first) routing += ";";
routing += getCtx()->getWireName(item.first).c_str(this);
routing += ",";
routing += ";";
if (item.second.pip != PipId())
routing += getCtx()->getPipName(item.second.pip).c_str(this);
first = false;
}
ni->attrs[id("ROUTING")] = routing;
}
@ -544,6 +547,23 @@ void BaseCtx::attributesToArchInfo()
}
}
}
for (auto &net : getCtx()->nets) {
auto ni = net.second.get();
auto val = ni->attrs.find(id("ROUTING"));
if (val != ni->attrs.end()) {
std::vector<std::string> strs;
boost::split(strs,val->second.str,boost::is_any_of(";"));
for(size_t i=0;i<strs.size()/2;i++)
{
std::string wire = strs[i*2];
std::string pip = strs[i*2 + 1];
if (pip.empty())
getCtx()->bindWire(getCtx()->getWireByName(id(wire)), ni, STRENGTH_WEAK);
else
getCtx()->bindPip(getCtx()->getPipByName(id(pip)), ni, STRENGTH_WEAK);
}
}
}
getCtx()->assignArchInfo();
}