OpenFPGA/openfpga/src/utils/mux_utils.h

#ifndef MUX_UTILS_H
#define MUX_UTILS_H

/********************************************************************
 * Include header files required by the data structure definition
 *******************************************************************/

#include <vector>

#include "circuit_library.h"
#include "mux_library.h"

/********************************************************************
 * Function declaration
 *******************************************************************/

/* Begin namespace openfpga */
namespace openfpga {

bool valid_mux_implementation_num_inputs(const size_t& mux_size);

size_t find_mux_num_datapath_inputs(const CircuitLibrary& circuit_lib,
                                    const CircuitModelId& circuit_model,
                                    const size_t& mux_size);

size_t find_mux_implementation_num_inputs(const CircuitLibrary& circuit_lib,
                                          const CircuitModelId& circuit_model,
                                          const size_t& mux_size);

enum e_circuit_model_structure find_mux_implementation_structure(
  const CircuitLibrary& circuit_lib, const CircuitModelId& circuit_model,
  const size_t& mux_size);

size_t find_treelike_mux_num_levels(const size_t& mux_size);

size_t find_multilevel_mux_branch_num_inputs(const size_t& mux_size,
                                             const size_t& mux_level);

std::vector<bool> build_mux_intermediate_buffer_location_map(
  const CircuitLibrary& circuit_lib, const CircuitModelId& circuit_model,
  const size_t& num_mux_levels);

size_t find_mux_num_reserved_config_bits(const CircuitLibrary& circuit_lib,
                                         const CircuitModelId& mux_model,
                                         const MuxGraph& mux_graph);

size_t find_mux_num_config_bits(const CircuitLibrary& circuit_lib,
                                const CircuitModelId& mux_model,
                                const MuxGraph& mux_graph,
                                const e_config_protocol_type& sram_orgz_type);

size_t find_mux_num_shared_config_bits(
  const CircuitLibrary& circuit_lib, const CircuitModelId& mux_model,
  const MuxGraph& mux_graph, const e_config_protocol_type& sram_orgz_type);

} /* End namespace openfpga*/

#endif