/***************************************************************************** * CACTI 7.0 * SOFTWARE LICENSE AGREEMENT * Copyright 2015 Hewlett-Packard Development Company, L.P. * All Rights Reserved * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer; * redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution; * neither the name of the copyright holders nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.” * ***************************************************************************/ #ifndef __MEMORYBUS_H__ #define __MEMORYBUS_H__ #include "basic_circuit.h" #include "component.h" #include "parameter.h" //#include "assert.h" #include "cacti_interface.h" //#include "wire.h" class Wire; //#include "area.h" #include "decoder.h" class Memorybus : public Component { public: Memorybus(enum Wire_type wire_model, double mat_w, double mat_h, double subarray_w, double subarray_h, int _row_add_bits, int _col_add_bits, int _data_bits, int _ndbl, int _ndwl, /*enum Htree_type htree_type,*/ enum Memorybus_type membus_type, const DynamicParameter & dp_, /*TechnologyParameter::*/DeviceType *dt = &(g_tp.peri_global) ); ~Memorybus(); //void in_membus(); //void out_membus(); void Network(); // repeaters only at h-tree nodes void limited_in_membus(); void limited_out_membus(); void input_nand(double s1, double s2, double l); //void output_buffer(double s1, double s2, double l); const DynamicParameter & dp; double in_rise_time, out_rise_time; void set_in_rise_time(double rt) { in_rise_time = rt; } double max_unpipelined_link_delay; powerDef power_bit; void memory_bus(); double height_bank, length_bank; // The actual height and length of a single bank including all wires between subarrays. Wire * center_stripe; Wire * bank_bus; Wire * global_WL; //3 hierarchical connection wires. Wire * column_sel; Wire * local_data; Wire * global_data; Wire * out_seg; // Driver for LWL connecting GWL, same as in mat.cc double lwl_driver_c_gate_load, lwl_driver_c_wire_load, lwl_driver_r_wire_load; powerDef power_bus; powerDef power_lwl_drv; powerDef power_add_decoders; powerDef power_global_WL; powerDef power_local_WL; powerDef power_add_predecoder; powerDef power_burst; powerDef power_col_sel; powerDef power_local_data; powerDef power_global_data; double delay_bus, delay_add_predecoder, delay_add_decoder, delay_lwl_drv, delay_global_data, delay_local_data, delay_data_buffer; double area_lwl_drv, area_row_predec_dec, area_col_predec_dec, area_subarray, area_bus, area_address_bus, area_data_bus, area_data_drv, area_IOSA, area_local_dataline, area_sense_amp; Area cell; bool is_dram; Driver * lwl_drv, * local_data_drv, * global_data_drv ; Predec * add_predec; Decoder * add_dec; double compute_delays(double inrisetime); // return outrisetime void compute_power_energy(); // private: double wire_bw; double init_wire_bw; // bus width at root enum Memorybus_type membus_type; // double htree_hnodes; // double htree_vnodes; double mat_width; double mat_height; double subarray_width, subarray_height; //int add_bits, data_in_bits,search_data_in_bits,data_out_bits, search_data_out_bits; int row_add_bits, col_add_bits; int add_bits, data_bits, num_dec_signals; int semi_repeated_global_line; int ndbl, ndwl; // bool uca_tree; // should have full bandwidth to access all banks in the array simultaneously // bool search_tree; enum Wire_type wt; double min_w_nmos; double min_w_pmos; int num_lwl_drv; //Ratio between GWL and LWL, how many local WL drives each GWL drives. int chip_IO_width; int burst_length; int num_subarray_global_IO; double C_GWL, C_LWL, R_GWL, R_LWL, C_colsel, R_colsel, C_global_data, R_global_data; // Capacitance of global/local WLs. /*TechnologyParameter::*/DeviceType *deviceType; }; #endif