48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
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/**************************************************
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* This file includes a data structure to describe
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* the multiplexer implementations in FPGA architectures
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* MuxLibrary is a collection of multiplexers
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* with various circuit-level description (related to
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* the information available in CircuitLibrary
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* and the input size of multiplexers)
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*************************************************/
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#ifndef MUX_LIBRARY_H
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#define MUX_LIBRARY_H
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#include <map>
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#include "mux_graph.h"
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#include "mux_library_fwd.h"
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class MuxLibrary {
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public: /* Public accessors */
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/* Get a MUX graph (read-only) */
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MuxId mux_graph(const CircuitModelId& circuit_model, const size_t& mux_size) const;
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const MuxGraph& mux_graph(const MuxId& mux_id) const;
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public: /* Public mutators */
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/* Add a mux to the library */
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void add_mux(const CircuitLibrary& circuit_lib, const CircuitModelId& circuit_model, const size_t& mux_size);
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private: /* Private accessors */
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bool valid_mux_id(const MuxId& mux) const;
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bool valid_mux_lookup() const;
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bool valid_mux_circuit_model_id(const CircuitModelId& circuit_model) const;
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bool valid_mux_size(const CircuitModelId& circuit_model, const size_t& mux_size) const;
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private: /* Private mutators: mux_lookup */
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void build_mux_lookup();
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/* Invalidate (empty) the mux fast lookup*/
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void invalidate_mux_lookup();
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private: /* Internal data */
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/* MUX graph-based desription */
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vtr::vector<MuxId, MuxId> mux_ids_; /* Unique identifier for each mux graph */
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vtr::vector<MuxId, MuxGraph> mux_graphs_; /* Graphs describing MUX internal structures */
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/* Local encoder description */
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//vtr::vector<MuxLocalDecoderId, Decoder> mux_local_encoders_; /* Graphs describing MUX internal structures */
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/* a fast look-up to search mux_graphs with given circuit model and mux size */
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typedef std::map<CircuitModelId, std::map<size_t, MuxId>> MuxLookup;
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mutable MuxLookup mux_lookup_;
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};
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#endif
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