diff options
Diffstat (limited to 'src/mem/ruby/network/orion/Buffer/WordlineUnit.cc')
| -rw-r--r-- | src/mem/ruby/network/orion/Buffer/WordlineUnit.cc | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/src/mem/ruby/network/orion/Buffer/WordlineUnit.cc b/src/mem/ruby/network/orion/Buffer/WordlineUnit.cc deleted file mode 100644 index 8875d167e..000000000 --- a/src/mem/ruby/network/orion/Buffer/WordlineUnit.cc +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Copyright (c) 2009 Princeton University - * Copyright (c) 2009 The Regents of the University of California - * 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. - * - * Authors: Hangsheng Wang (Orion 1.0, Princeton) - * Xinping Zhu (Orion 1.0, Princeton) - * Xuning Chen (Orion 1.0, Princeton) - * Bin Li (Orion 2.0, Princeton) - * Kambiz Samadi (Orion 2.0, UC San Diego) - */ - -#include "base/misc.hh" -#include "mem/ruby/network/orion/Buffer/SRAM.hh" -#include "mem/ruby/network/orion/Buffer/WordlineUnit.hh" -#include "mem/ruby/network/orion/TechParameter.hh" - -WordlineUnit::WordlineUnit( - const string& wl_model_str_, - const SRAM* sram_ptr_, - const TechParameter* tech_param_ptr_ - ) -{ - if (wl_model_str_ == string("RW_WORDLINE")) - { - m_wl_model = RW_WORDLINE; - } - else if (wl_model_str_ == string("WO_WORDLINE")) - { - m_wl_model = WO_WORDLINE; - } - else - { - m_wl_model = NO_MODEL; - } - - if (m_wl_model != NO_MODEL) - { - m_sram_ptr = sram_ptr_; - m_tech_param_ptr = tech_param_ptr_; - - init(); - } -} - -WordlineUnit::~WordlineUnit() -{} - -void WordlineUnit::init() -{ - uint32_t num_port = m_sram_ptr->get_num_port(); - uint32_t num_read_port = m_sram_ptr->get_num_read_port(); - uint32_t num_col = m_sram_ptr->get_num_col(); - uint32_t num_data_end = m_sram_ptr->get_num_data_end(); - double RegCellWidth = m_tech_param_ptr->get_RegCellWidth(); - double BitlineSpacing = m_tech_param_ptr->get_BitlineSpacing(); - - if (num_data_end == 2) - { - m_wl_len = num_col*(RegCellWidth + 2*num_port*BitlineSpacing); - } - else - { - m_wl_len = num_col*(RegCellWidth + (2*num_port-num_read_port)*BitlineSpacing); - } - - double wl_cmetal; - if (num_port > 1) - { - wl_cmetal = m_tech_param_ptr->get_CC3M3metal(); - } - else - { - wl_cmetal = m_tech_param_ptr->get_CM3metal(); - } - - m_wl_wire_cap = m_wl_len*wl_cmetal; - - double e_factor = m_tech_param_ptr->get_EnergyFactor(); - double Wmemcellr = m_tech_param_ptr->get_Wmemcellr(); - double Wmemcellw = m_tech_param_ptr->get_Wmemcellw(); - double Woutdrivern = m_tech_param_ptr->get_Woutdrivern(); - double Woutdriverp = m_tech_param_ptr->get_Woutdriverp(); - double NMOS_TAB_0 = m_tech_param_ptr->get_NMOS_TAB(0); - double PMOS_TAB_0 = m_tech_param_ptr->get_PMOS_TAB(0); - switch(m_wl_model) - { - case RW_WORDLINE: - m_e_read = calc_wordline_cap(num_col*num_data_end, Wmemcellr) * e_factor; - m_e_write = calc_wordline_cap(num_col*2, Wmemcellw) * e_factor; - m_i_static = (Woutdrivern*NMOS_TAB_0 + Woutdriverp*PMOS_TAB_0); - break; - case WO_WORDLINE: - m_e_read = 0; - m_e_write = calc_wordline_cap(num_col*2, Wmemcellw)*e_factor; - m_i_static = 0; - break; - default: - fatal("Incorrect Wordline model.\n"); - } - return; -} - -double WordlineUnit::calc_wordline_cap( - uint32_t num_mos_, - double mos_width_ - ) const -{ - double total_cap; - - // part 1: line cap, including gate cap of pass tx's and metal cap - double BitWidth = m_tech_param_ptr->get_BitWidth(); - total_cap = m_tech_param_ptr->calc_gatecappass(mos_width_, BitWidth/2.0-mos_width_)*num_mos_ + m_wl_wire_cap; - - // part 2: input driver - double period = m_tech_param_ptr->get_period(); - double psize, nsize; - psize = m_tech_param_ptr->calc_driver_psize(total_cap, period/16.0); - double Wdecinvn = m_tech_param_ptr->get_Wdecinvn(); - double Wdecinvp = m_tech_param_ptr->get_Wdecinvp(); - nsize = psize*Wdecinvn/Wdecinvp; - - // WHS: 20 should go to PARM - total_cap += m_tech_param_ptr->calc_draincap(nsize, TechParameter::NCH, 1) + m_tech_param_ptr->calc_draincap(psize, TechParameter::PCH, 1) + m_tech_param_ptr->calc_gatecap(psize+nsize, 20); - - return total_cap; -} - |