41 lines
1.7 KiB
C++
41 lines
1.7 KiB
C++
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/***************************************************************************************
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* This file includes functions that are used to redo packing for physical pbs
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***************************************************************************************/
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/* Headers from vtrutil library */
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#include "vtr_assert.h"
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#include "lb_router_utils.h"
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/* begin namespace openfpga */
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namespace openfpga {
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/***************************************************************************************
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* Add a net to route to a logical block router
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* This function will automatically find the source and sink atom pins
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* based on the given atom net
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***************************************************************************************/
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LbRouter::NetId add_lb_router_net_to_route(LbRouter& lb_router,
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const LbRRNodeId& source_node,
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const std::vector<LbRRNodeId>& sink_nodes,
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const AtomNetlist& atom_nlist,
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const AtomNetId& atom_net_id) {
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VTR_ASSERT(0 < sink_nodes.size());
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LbRouter::NetId lb_net = lb_router.create_net_to_route(source_node, sink_nodes);
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VTR_ASSERT(AtomNetId::INVALID() != atom_net_id);
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lb_router.add_net_atom_net_id(lb_net, atom_net_id);
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std::vector<AtomPinId> terminal_pins;
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for (const AtomPinId& atom_pin : atom_nlist.net_sinks(atom_net_id)) {
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VTR_ASSERT(AtomPinId::INVALID() != atom_pin);
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terminal_pins.push_back(atom_pin);
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}
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VTR_ASSERT(AtomPinId::INVALID() != atom_nlist.net_driver(atom_net_id));
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lb_router.add_net_atom_pins(lb_net, atom_nlist.net_driver(atom_net_id), terminal_pins);
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return lb_net;
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}
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} /* end namespace openfpga */
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