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author | David Shah <dave@ds0.me> | 2019-09-15 19:30:56 +0100 |
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committer | David Shah <dave@ds0.me> | 2019-09-15 19:30:56 +0100 |
commit | 5cd2b55f1f0ad729e95f344a5e8f4c8d00400669 (patch) | |
tree | 29843555f3d713e77efda46913c50ed90c93deb3 /common/nextpnr.cc | |
parent | d5e4986e1bf6e79b81beb1bc8a1086dd01931ea5 (diff) | |
download | nextpnr-5cd2b55f1f0ad729e95f344a5e8f4c8d00400669.tar.gz nextpnr-5cd2b55f1f0ad729e95f344a5e8f4c8d00400669.tar.bz2 nextpnr-5cd2b55f1f0ad729e95f344a5e8f4c8d00400669.zip |
python: Adding helper functions for netlist modification
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'common/nextpnr.cc')
-rw-r--r-- | common/nextpnr.cc | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/common/nextpnr.cc b/common/nextpnr.cc index d73c0c02..933f124c 100644 --- a/common/nextpnr.cc +++ b/common/nextpnr.cc @@ -19,6 +19,7 @@ #include "nextpnr.h" #include <boost/algorithm/string.hpp> +#include "design_utils.h" #include "log.h" NEXTPNR_NAMESPACE_BEGIN @@ -144,6 +145,27 @@ Property::Property(const std::string &strval) : is_string(true), str(strval), in Property::Property(State bit) : is_string(false), str(std::string("") + char(bit)), intval(bit == S1) {} +void CellInfo::addInput(IdString name) +{ + ports[name].name = name; + ports[name].type = PORT_IN; +} +void CellInfo::addOutput(IdString name) +{ + ports[name].name = name; + ports[name].type = PORT_OUT; +} +void CellInfo::addInout(IdString name) +{ + ports[name].name = name; + ports[name].type = PORT_INOUT; +} + +void CellInfo::setParam(IdString name, Property value) { params[name] = value; } +void CellInfo::unsetParam(IdString name) { params.erase(name); } +void CellInfo::setAttr(IdString name, Property value) { attrs[name] = value; } +void CellInfo::unsetAttr(IdString name) { attrs.erase(name); } + std::string Property::to_string() const { if (is_string) { @@ -638,4 +660,67 @@ void BaseCtx::attributesToArchInfo() getCtx()->assignArchInfo(); } +NetInfo *BaseCtx::createNet(IdString name) +{ + NPNR_ASSERT(!nets.count(name)); + NPNR_ASSERT(!net_aliases.count(name)); + std::unique_ptr<NetInfo> net{new NetInfo}; + net->name = name; + net_aliases[name] = name; + NetInfo *ptr = net.get(); + nets[name] = std::move(net); + refreshUi(); + return ptr; +} + +void BaseCtx::connectPort(IdString net, IdString cell, IdString port) +{ + NetInfo *net_info = getNetByAlias(net); + CellInfo *cell_info = cells.at(cell).get(); + connect_port(getCtx(), net_info, cell_info, port); +} + +void BaseCtx::disconnectPort(IdString cell, IdString port) +{ + CellInfo *cell_info = cells.at(cell).get(); + disconnect_port(getCtx(), cell_info, port); +} + +void BaseCtx::ripupNet(IdString name) +{ + NetInfo *net_info = getNetByAlias(name); + std::vector<WireId> to_unbind; + for (auto &wire : net_info->wires) + to_unbind.push_back(wire.first); + for (auto &unbind : to_unbind) + getCtx()->unbindWire(unbind); +} +void BaseCtx::lockNetRouting(IdString name) +{ + NetInfo *net_info = getNetByAlias(name); + for (auto &wire : net_info->wires) + wire.second.strength = STRENGTH_USER; +} + +CellInfo *BaseCtx::createCell(IdString name, IdString type) +{ + NPNR_ASSERT(!cells.count(name)); + std::unique_ptr<CellInfo> cell{new CellInfo}; + cell->name = name; + cell->type = type; + CellInfo *ptr = cell.get(); + cells[name] = std::move(cell); + refreshUi(); + return ptr; +} + +void BaseCtx::copyBelPorts(IdString cell, BelId bel) +{ + CellInfo *cell_info = cells.at(cell).get(); + for (auto pin : getCtx()->getBelPins(bel)) { + cell_info->ports[pin].name = pin; + cell_info->ports[pin].type = getCtx()->getBelPinType(bel, pin); + } +} + NEXTPNR_NAMESPACE_END |