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/*****************************************************************************
* McPAT/CACTI
* SOFTWARE LICENSE AGREEMENT
* Copyright 2012 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 __MAT_H__
#define __MAT_H__
#include "component.h"
#include "decoder.h"
#include "subarray.h"
#include "wire.h"
class Mat : public Component
{
public:
Mat(const DynamicParameter & dyn_p);
~Mat();
double compute_delays(double inrisetime); // return outrisetime
void compute_power_energy();
const DynamicParameter & dp;
// TODO: clean up pointers and powerDefs below
Decoder * row_dec;
Decoder * bit_mux_dec;
Decoder * sa_mux_lev_1_dec;
Decoder * sa_mux_lev_2_dec;
PredecBlk * dummy_way_sel_predec_blk1;
PredecBlk * dummy_way_sel_predec_blk2;
PredecBlkDrv * way_sel_drv1;
PredecBlkDrv * dummy_way_sel_predec_blk_drv2;
Predec * r_predec;
Predec * b_mux_predec;
Predec * sa_mux_lev_1_predec;
Predec * sa_mux_lev_2_predec;
Wire * subarray_out_wire;
Driver * bl_precharge_eq_drv;
Driver * cam_bl_precharge_eq_drv;//bitline pre-charge circuit is separated for CAM and RAM arrays.
Driver * ml_precharge_drv;//matchline prechange driver
Driver * sl_precharge_eq_drv;//searchline prechage driver
Driver * sl_data_drv;//search line data driver
Driver * ml_to_ram_wl_drv;//search line data driver
powerDef power_row_decoders;
powerDef power_bit_mux_decoders;
powerDef power_sa_mux_lev_1_decoders;
powerDef power_sa_mux_lev_2_decoders;
powerDef power_fa_cam; // TODO: leakage power is not computed yet
powerDef power_bl_precharge_eq_drv;
powerDef power_subarray_out_drv;
powerDef power_cam_all_active;
powerDef power_searchline_precharge;
powerDef power_matchline_precharge;
powerDef power_ml_to_ram_wl_drv;
double delay_fa_tag, delay_cam;
double delay_before_decoder;
double delay_bitline;
double delay_wl_reset;
double delay_bl_restore;
double delay_searchline;
double delay_matchchline;
double delay_cam_sl_restore;
double delay_cam_ml_reset;
double delay_fa_ram_wl;
double delay_hit_miss_reset;
double delay_hit_miss;
Subarray subarray;
powerDef power_bitline, power_searchline, power_matchline;
double per_bitline_read_energy;
int deg_bl_muxing;
int num_act_mats_hor_dir;
double delay_writeback;
Area cell,cam_cell;
bool is_dram,is_fa, pure_cam, camFlag;
int num_mats;
powerDef power_sa;
double delay_sa;
double leak_power_sense_amps_closed_page_state;
double leak_power_sense_amps_open_page_state;
double delay_subarray_out_drv;
double delay_subarray_out_drv_htree;
double delay_comparator;
powerDef power_comparator;
int num_do_b_mat;
int num_so_b_mat;
int num_sa_subarray;
int num_sa_subarray_search;
double C_bl;
uint32_t num_subarrays_per_mat; // the number of subarrays in a mat
uint32_t num_subarrays_per_row; // the number of subarrays in a row of a mat
private:
double compute_bit_mux_sa_precharge_sa_mux_wr_drv_wr_mux_h();
double width_write_driver_or_write_mux();
double compute_comparators_height(int tagbits, int number_ways_in_mat, double subarray_mem_cell_area_w);
double compute_cam_delay(double inrisetime);
double compute_bitline_delay(double inrisetime);
double compute_sa_delay(double inrisetime);
double compute_subarray_out_drv(double inrisetime);
double compute_comparator_delay(double inrisetime);
int RWP;
int ERP;
int EWP;
int SCHP;
};
#endif
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