105 lines
4.3 KiB
C++
105 lines
4.3 KiB
C++
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/***************************************************************************************
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* This file includes memeber functions for data structure DecoderLibrary
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**************************************************************************************/
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#include "vtr_assert.h"
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#include "decoder_library.h"
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/***************************************************************************************
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* Public Accessors: Aggregators
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**************************************************************************************/
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DecoderLibrary::decoder_range DecoderLibrary::decoders() const {
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return vtr::make_range(decoder_ids_.begin(), decoder_ids_.end());
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}
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/***************************************************************************************
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* Public Accessors: Data query
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**************************************************************************************/
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/* Get the size of address input of a decoder */
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size_t DecoderLibrary::addr_size(const DecoderId& decoder) const {
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VTR_ASSERT_SAFE(valid_decoder_id(decoder));
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return addr_sizes_[decoder];
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}
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/* Get the size of data output of a decoder */
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size_t DecoderLibrary::data_size(const DecoderId& decoder) const {
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VTR_ASSERT_SAFE(valid_decoder_id(decoder));
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return data_sizes_[decoder];
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}
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/* Get the flag if a decoder includes an ENABLE signal */
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bool DecoderLibrary::use_enable(const DecoderId& decoder) const {
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VTR_ASSERT_SAFE(valid_decoder_id(decoder));
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return use_enable_[decoder];
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}
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/* Get the flag if a decoder includes an DATA_IN signal */
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bool DecoderLibrary::use_data_in(const DecoderId& decoder) const {
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VTR_ASSERT_SAFE(valid_decoder_id(decoder));
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return use_data_in_[decoder];
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}
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/* Get the flag if a decoder includes a data_inv port which is an inversion of the regular data output port */
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bool DecoderLibrary::use_data_inv_port(const DecoderId& decoder) const {
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VTR_ASSERT_SAFE(valid_decoder_id(decoder));
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return use_data_inv_port_[decoder];
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}
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/* Find a decoder to the library, with the specification.
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* If found, return the id of decoder.
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* If not found, return an invalid id of decoder
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* To avoid duplicated decoders, this function should be used before adding a decoder
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* Example:
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* DecoderId decoder_id == decoder_lib.find_decoder();
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* if (DecoderId::INVALID() == decoder_id) {
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* // Add decoder
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* }
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*/
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DecoderId DecoderLibrary::find_decoder(const size_t& addr_size,
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const size_t& data_size,
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const bool& use_enable,
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const bool& use_data_in,
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const bool& use_data_inv_port) const {
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for (auto decoder : decoders()) {
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if ( (addr_size == addr_sizes_[decoder])
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&& (data_size == data_sizes_[decoder])
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&& (use_enable == use_enable_[decoder])
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&& (use_data_in == use_data_in_[decoder])
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&& (use_data_inv_port == use_data_inv_port_[decoder]) ) {
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return decoder;
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}
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}
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/* Not found, return an invalid id by default */
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return DecoderId::INVALID();
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}
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/***************************************************************************************
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* Public Validators
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**************************************************************************************/
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/* Validate ids */
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bool DecoderLibrary::valid_decoder_id(const DecoderId& decoder) const {
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return size_t(decoder) < decoder_ids_.size() && decoder_ids_[decoder] == decoder;
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}
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/***************************************************************************************
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* Public Mutators : Basic Operations
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**************************************************************************************/
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/* Add a decoder to the library */
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DecoderId DecoderLibrary::add_decoder(const size_t& addr_size,
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const size_t& data_size,
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const bool& use_enable,
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const bool& use_data_in,
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const bool& use_data_inv_port) {
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DecoderId decoder = DecoderId(decoder_ids_.size());
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/* Push to the decoder list */
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decoder_ids_.push_back(decoder);
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/* Resize the other related vectors */
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addr_sizes_.push_back(addr_size);
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data_sizes_.push_back(data_size);
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use_enable_.push_back(use_enable);
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use_data_in_.push_back(use_data_in);
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use_data_inv_port_.push_back(use_data_inv_port);
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return decoder;
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}
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