1 | /* -*- c++ -*- |
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2 | * File : vci_traffic_generator.cpp |
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3 | * Date : 26/08/2010 |
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4 | * Copyright : UPMC / LIP6 |
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5 | * Authors : Christophe Choichillon |
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6 | * |
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7 | * SOCLIB_LGPL_HEADER_BEGIN |
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8 | * |
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9 | * This file is part of SoCLib, GNU LGPLv2.1. |
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10 | * |
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11 | * SoCLib is free software; you can redistribute it and/or modify it |
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12 | * under the terms of the GNU Lesser General Public License as published |
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13 | * by the Free Software Foundation; version 2.1 of the License. |
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14 | * |
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15 | * SoCLib is distributed in the hope that it will be useful, but |
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16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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18 | * Lesser General Public License for more details. |
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19 | * |
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20 | * You should have received a copy of the GNU Lesser General Public |
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21 | * License along with SoCLib; if not, write to the Free Software |
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22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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23 | * 02110-1301 USA |
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24 | * |
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25 | * SOCLIB_LGPL_HEADER_END |
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26 | * |
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27 | * Maintainers: christophe.choichillon@lip6.fr |
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28 | */ |
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29 | |
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30 | #include "../include/vci_traffic_generator.h" |
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31 | |
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32 | |
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33 | |
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34 | namespace soclib { namespace caba { |
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35 | |
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36 | |
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37 | #define tmpl(x) template<typename vci_param> x VciTrafficGenerator<vci_param> |
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38 | |
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39 | |
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40 | //////////////////////////////// |
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41 | // Constructor |
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42 | //////////////////////////////// |
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43 | |
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44 | tmpl(/**/)::VciTrafficGenerator( |
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45 | sc_module_name name, |
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46 | const soclib::common::MappingTable &mtp, |
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47 | const soclib::common::MappingTable &mtc, |
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48 | const soclib::common::MappingTable &mtx, |
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49 | const soclib::common::IntTab &vci_ixr_index, |
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50 | const soclib::common::IntTab &vci_ini_index, |
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51 | const soclib::common::IntTab &vci_tgt_index, |
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52 | size_t nways, |
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53 | size_t nsets, |
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54 | size_t nwords) |
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55 | |
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56 | : soclib::caba::BaseModule(name), |
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57 | |
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58 | p_clk("clk"), |
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59 | p_resetn("resetn"), |
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60 | p_vci("vci_ini"), |
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61 | |
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62 | m_srcid_ini( mtc.indexForId(vci_ini_index) ), |
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63 | // FIFOs |
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64 | m_cmd_read_addr_fifo("m_cmd_read_addr_fifo", 4), |
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65 | |
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66 | r_tgt_cmd_fsm("r_tgt_cmd_fsm"), |
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67 | { |
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68 | assert(IS_POW_OF_2(nsets)); |
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69 | assert(IS_POW_OF_2(nwords)); |
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70 | assert(IS_POW_OF_2(nways)); |
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71 | assert(nsets); |
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72 | assert(nwords); |
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73 | assert(nways); |
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74 | assert(nsets <= 1024); |
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75 | assert(nwords <= 32); |
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76 | assert(nways <= 32); |
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77 | |
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78 | // Get the segments associated to the MemCache |
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79 | //std::list<soclib::common::Segment> segList(mtp.getSegmentList(vci_tgt_index)); |
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80 | std::list<soclib::common::Segment>::iterator seg; |
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81 | /* |
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82 | for(seg = segList.begin(); seg != segList.end() ; seg++) { |
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83 | if( seg->size() > 8 ) m_mem_segment = *seg; |
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84 | else m_reg_segment = *seg; |
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85 | nseg++; |
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86 | } |
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87 | */ |
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88 | |
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89 | for(seg = m_seglist.begin(); seg != m_seglist.end() ; seg++) { |
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90 | if( seg->size() > 8 ) nseg++; |
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91 | } |
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92 | //assert( (nseg == 2) && (m_reg_segment.size() == 8) ); |
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93 | |
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94 | m_seg = new soclib::common::Segment*[nseg]; |
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95 | size_t i = 0; |
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96 | for ( seg = m_seglist.begin() ; seg != m_seglist.end() ; seg++ ) { |
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97 | if ( seg->size() > 8 ) |
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98 | { |
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99 | m_seg[i] = &(*seg); |
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100 | i++; |
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101 | } |
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102 | else |
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103 | { |
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104 | m_reg_segment = *seg; |
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105 | } |
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106 | } |
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107 | |
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108 | assert( (m_reg_segment.size() == 8) ); |
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109 | |
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110 | // Memory cache allocation & initialisation |
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111 | m_cache_data = new data_t**[nways]; |
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112 | for ( size_t i=0 ; i<nways ; ++i ) { |
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113 | m_cache_data[i] = new data_t*[nsets]; |
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114 | } |
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115 | for ( size_t i=0; i<nways; ++i ) { |
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116 | for ( size_t j=0; j<nsets; ++j ) { |
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117 | m_cache_data[i][j] = new data_t[nwords]; |
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118 | for ( size_t k=0; k<nwords; k++){ |
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119 | m_cache_data[i][j][k]=0; |
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120 | } |
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121 | } |
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122 | } |
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123 | |
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124 | // Allocation for IXR_RSP FSM |
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125 | r_ixr_rsp_to_xram_rsp_rok = new sc_signal<bool>[TRANSACTION_TAB_LINES]; |
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126 | |
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127 | // Allocation for XRAM_RSP FSM |
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128 | r_xram_rsp_victim_data = new sc_signal<data_t>[nwords]; |
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129 | r_xram_rsp_to_tgt_rsp_data = new sc_signal<data_t>[nwords]; |
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130 | r_xram_rsp_to_tgt_rsp_val = new sc_signal<bool>[nwords]; |
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131 | r_xram_rsp_to_xram_cmd_data = new sc_signal<data_t>[nwords]; |
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132 | |
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133 | // Allocation for READ FSM |
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134 | r_read_data = new sc_signal<data_t>[nwords]; |
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135 | r_read_to_tgt_rsp_data = new sc_signal<data_t>[nwords]; |
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136 | r_read_to_tgt_rsp_val = new sc_signal<bool>[nwords]; |
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137 | |
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138 | // Allocation for WRITE FSM |
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139 | r_write_data = new sc_signal<data_t>[nwords]; |
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140 | r_write_be = new sc_signal<be_t>[nwords]; |
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141 | r_write_to_init_cmd_data = new sc_signal<data_t>[nwords]; |
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142 | r_write_to_init_cmd_we = new sc_signal<bool>[nwords]; |
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143 | |
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144 | // Simulation |
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145 | |
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146 | SC_METHOD(transition); |
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147 | dont_initialize(); |
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148 | sensitive << p_clk.pos(); |
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149 | |
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150 | SC_METHOD(genMoore); |
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151 | dont_initialize(); |
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152 | sensitive << p_clk.neg(); |
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153 | |
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154 | } // end constructor |
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155 | |
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156 | ///////////////////////////////////////// |
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157 | // This function prints the statistics |
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158 | ///////////////////////////////////////// |
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159 | |
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160 | tmpl(void)::print_stats() |
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161 | { |
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162 | std::cout << "----------------------------------" << std::dec << std::endl; |
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163 | std::cout << "MEM_CACHE " << m_srcid_ini << " / Time = " << m_cpt_cycles << std::endl |
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164 | << "- READ RATE = " << (float)m_cpt_read/m_cpt_cycles << std::endl |
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165 | << "- READ MISS RATE = " << (float)m_cpt_read_miss/m_cpt_read << std::endl |
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166 | << "- WRITE RATE = " << (float)m_cpt_write/m_cpt_cycles << std::endl |
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167 | << "- WRITE MISS RATE = " << (float)m_cpt_write_miss/m_cpt_write << std::endl |
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168 | << "- WRITE BURST LENGTH = " << (float)m_cpt_write_cells/m_cpt_write << std::endl |
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169 | << "- UPDATE RATE = " << (float)m_cpt_update/m_cpt_cycles << std::endl |
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170 | << "- UPDATE ARITY = " << (float)m_cpt_update_mult/m_cpt_update << std::endl |
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171 | << "- INVAL RATE = " << (float)m_cpt_inval/m_cpt_cycles << std::endl |
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172 | << "- INVAL ARITY = " << (float)m_cpt_inval_mult/m_cpt_inval << std::endl |
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173 | << "- SAVE DIRTY RATE = " << (float)m_cpt_write_dirty/m_cpt_cycles << std::endl |
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174 | << "- CLEANUP RATE = " << (float)m_cpt_cleanup/m_cpt_cycles << std::endl |
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175 | << "- LL RATE = " << (float)m_cpt_ll/m_cpt_cycles << std::endl |
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176 | << "- SC RATE = " << (float)m_cpt_sc/m_cpt_cycles << std::endl; |
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177 | } |
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178 | |
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179 | ///////////////////////////////// |
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180 | tmpl(/**/)::~VciTrafficGenerator() |
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181 | ///////////////////////////////// |
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182 | { |
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183 | for(size_t i=0; i<m_ways ; i++){ |
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184 | for(size_t j=0; j<m_sets ; j++){ |
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185 | delete [] m_cache_data[i][j]; |
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186 | } |
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187 | } |
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188 | for(size_t i=0; i<m_ways ; i++){ |
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189 | delete [] m_cache_data[i]; |
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190 | } |
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191 | delete [] m_cache_data; |
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192 | delete [] m_coherence_table; |
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193 | |
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194 | delete [] r_ixr_rsp_to_xram_rsp_rok; |
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195 | |
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196 | delete [] r_xram_rsp_victim_data; |
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197 | delete [] r_xram_rsp_to_tgt_rsp_data; |
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198 | delete [] r_xram_rsp_to_tgt_rsp_val; |
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199 | delete [] r_xram_rsp_to_xram_cmd_data; |
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200 | |
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201 | delete [] r_read_data; |
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202 | delete [] r_read_to_tgt_rsp_data; |
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203 | delete [] r_read_to_tgt_rsp_val; |
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204 | |
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205 | delete [] r_write_data; |
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206 | delete [] r_write_be; |
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207 | delete [] r_write_to_init_cmd_data; |
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208 | } |
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209 | |
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210 | ////////////////////////////////// |
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211 | tmpl(void)::transition() |
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212 | ////////////////////////////////// |
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213 | { |
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214 | using soclib::common::uint32_log2; |
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215 | // RESET |
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216 | if ( ! p_resetn.read() ) { |
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217 | |
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218 | // Initializing FSMs |
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219 | r_tgt_cmd_fsm = TGT_CMD_IDLE; |
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220 | r_tgt_rsp_fsm = TGT_RSP_READ_IDLE; |
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221 | r_init_cmd_fsm = INIT_CMD_INVAL_IDLE; |
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222 | r_init_rsp_fsm = INIT_RSP_IDLE; |
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223 | r_read_fsm = READ_IDLE; |
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224 | r_write_fsm = WRITE_IDLE; |
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225 | r_llsc_fsm = LLSC_IDLE; |
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226 | r_cleanup_fsm = CLEANUP_IDLE; |
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227 | r_alloc_dir_fsm = ALLOC_DIR_READ; |
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228 | r_alloc_trt_fsm = ALLOC_TRT_READ; |
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229 | r_alloc_upt_fsm = ALLOC_UPT_WRITE; |
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230 | r_ixr_rsp_fsm = IXR_RSP_IDLE; |
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231 | r_xram_rsp_fsm = XRAM_RSP_IDLE; |
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232 | r_xram_cmd_fsm = XRAM_CMD_READ_IDLE; |
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233 | |
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234 | // Initializing Tables |
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235 | m_cache_directory.init(); |
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236 | m_atomic_tab.init(); |
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237 | m_transaction_tab.init(); |
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238 | |
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239 | // initializing FIFOs and communication Buffers |
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240 | |
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241 | m_cmd_read_addr_fifo.init(); |
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242 | m_cmd_read_word_fifo.init(); |
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243 | m_cmd_read_srcid_fifo.init(); |
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244 | m_cmd_read_trdid_fifo.init(); |
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245 | m_cmd_read_pktid_fifo.init(); |
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246 | |
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247 | m_cmd_write_addr_fifo.init(); |
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248 | m_cmd_write_eop_fifo.init(); |
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249 | m_cmd_write_srcid_fifo.init(); |
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250 | m_cmd_write_trdid_fifo.init(); |
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251 | m_cmd_write_pktid_fifo.init(); |
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252 | m_cmd_write_data_fifo.init(); |
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253 | |
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254 | m_cmd_llsc_addr_fifo.init(); |
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255 | m_cmd_llsc_srcid_fifo.init(); |
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256 | m_cmd_llsc_trdid_fifo.init(); |
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257 | m_cmd_llsc_pktid_fifo.init(); |
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258 | m_cmd_llsc_wdata_fifo.init(); |
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259 | m_cmd_llsc_sc_fifo.init(); |
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260 | |
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261 | m_cmd_cleanup_srcid_fifo.init(); |
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262 | m_cmd_cleanup_trdid_fifo.init(); |
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263 | m_cmd_cleanup_pktid_fifo.init(); |
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264 | m_cmd_cleanup_nline_fifo.init(); |
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265 | |
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266 | r_read_to_tgt_rsp_req = false; |
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267 | r_read_to_xram_cmd_req = false; |
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268 | |
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269 | r_write_to_tgt_rsp_req = false; |
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270 | r_write_to_xram_cmd_req = false; |
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271 | r_write_to_init_cmd_req = false; |
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272 | |
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273 | r_init_rsp_to_tgt_rsp_req = false; |
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274 | |
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275 | r_cleanup_to_tgt_rsp_req = false; |
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276 | |
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277 | r_llsc_to_tgt_rsp_req = false; |
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278 | r_llsc_to_xram_cmd_req = false; |
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279 | |
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280 | for(size_t i=0; i<TRANSACTION_TAB_LINES ; i++){ |
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281 | r_ixr_rsp_to_xram_rsp_rok[i]= false; |
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282 | } |
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283 | |
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284 | r_xram_rsp_to_tgt_rsp_req = false; |
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285 | r_xram_rsp_to_init_cmd_req = false; |
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286 | r_xram_rsp_to_xram_cmd_req = false; |
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287 | r_xram_rsp_trt_index = 0; |
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288 | |
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289 | r_xram_cmd_cpt = 0; |
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290 | |
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291 | // Activity counters |
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292 | m_cpt_cycles = 0; |
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293 | m_cpt_read = 0; |
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294 | m_cpt_read_miss = 0; |
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295 | m_cpt_write = 0; |
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296 | m_cpt_write_miss = 0; |
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297 | m_cpt_write_cells = 0; |
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298 | m_cpt_write_dirty = 0; |
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299 | m_cpt_update = 0; |
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300 | m_cpt_update_mult = 0; |
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301 | m_cpt_inval = 0; |
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302 | m_cpt_inval_mult = 0; |
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303 | m_cpt_cleanup = 0; |
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304 | m_cpt_ll = 0; |
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305 | m_cpt_sc = 0; |
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306 | |
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307 | return; |
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308 | } |
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309 | |
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310 | bool cmd_read_fifo_put = false; |
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311 | bool cmd_read_fifo_get = false; |
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312 | |
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313 | bool cmd_write_fifo_put = false; |
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314 | bool cmd_write_fifo_get = false; |
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315 | |
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316 | bool cmd_llsc_fifo_put = false; |
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317 | bool cmd_llsc_fifo_get = false; |
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318 | |
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319 | bool cmd_cleanup_fifo_put = false; |
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320 | bool cmd_cleanup_fifo_get = false; |
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321 | |
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322 | |
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323 | |
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324 | switch ( r_tgt_cmd_fsm.read() ) { |
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325 | |
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326 | ////////////////// |
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327 | case TGT_CMD_IDLE: |
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328 | { |
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329 | if ( p_vci_tgt.cmdval ) { |
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330 | assert( (p_vci_tgt.srcid.read() < m_initiators) |
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331 | && "error in VCI_MEM_CACHE : The received SRCID is larger than 31"); |
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332 | |
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333 | bool reached = false; |
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334 | for ( size_t index = 0 ; index < nseg && !reached ; index++) |
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335 | { |
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336 | if ( m_seg[index]->contains(p_vci_tgt.address.read()) ) { |
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337 | reached = true; |
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338 | r_index = index; |
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339 | } |
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340 | } |
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341 | |
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342 | if ( !reached ) |
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343 | { |
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344 | std::cout << "Out of segment access in VCI_MEM_CACHE" << std::endl; |
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345 | std::cout << "Faulty address = " << p_vci_tgt.address.read() << std::endl; |
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346 | std::cout << "Faulty initiator = " << p_vci_tgt.srcid.read() << std::endl; |
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347 | exit(0); |
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348 | } |
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349 | else if ( p_vci_tgt.cmd.read() == vci_param::CMD_READ ) |
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350 | { |
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351 | r_tgt_cmd_fsm = TGT_CMD_READ; |
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352 | } |
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353 | else if (( p_vci_tgt.cmd.read() == vci_param::CMD_WRITE ) && ( p_vci_tgt.trdid.read() == 0x0 ) ) |
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354 | { |
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355 | r_tgt_cmd_fsm = TGT_CMD_WRITE; |
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356 | } |
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357 | else if ((p_vci_tgt.cmd.read() == vci_param::CMD_LOCKED_READ) || |
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358 | (p_vci_tgt.cmd.read() == vci_param::CMD_STORE_COND) ) |
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359 | { |
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360 | r_tgt_cmd_fsm = TGT_CMD_ATOMIC; |
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361 | } |
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362 | else if (( p_vci_tgt.cmd.read() == vci_param::CMD_WRITE ) && ( p_vci_tgt.trdid.read() == 0x1 )) |
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363 | { |
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364 | r_tgt_cmd_fsm = TGT_CMD_CLEANUP; |
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365 | } |
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366 | } |
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367 | break; |
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368 | } |
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369 | ////////////////// |
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370 | case TGT_CMD_READ: |
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371 | { |
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372 | assert(((p_vci_tgt.plen.read() == 4) || (p_vci_tgt.plen.read() == m_words*4)) |
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373 | && "All read request to the MemCache must have PLEN = 4 or PLEN = 4*nwords"); |
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374 | |
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375 | if ( p_vci_tgt.cmdval && m_cmd_read_addr_fifo.wok() ) { |
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376 | cmd_read_fifo_put = true; |
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377 | if ( p_vci_tgt.eop ) r_tgt_cmd_fsm = TGT_CMD_IDLE; |
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378 | else r_tgt_cmd_fsm = TGT_CMD_READ_EOP; |
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379 | } |
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380 | break; |
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381 | } |
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382 | ////////////////////// |
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383 | case TGT_CMD_READ_EOP: |
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384 | { |
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385 | if ( p_vci_tgt.cmdval && p_vci_tgt.eop ){ |
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386 | r_tgt_cmd_fsm = TGT_CMD_IDLE; |
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387 | } |
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388 | break; |
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389 | } |
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390 | /////////////////// |
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391 | case TGT_CMD_WRITE: |
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392 | { |
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393 | if ( p_vci_tgt.cmdval && m_cmd_write_addr_fifo.wok() ) { |
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394 | cmd_write_fifo_put = true; |
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395 | if( p_vci_tgt.eop ) r_tgt_cmd_fsm = TGT_CMD_IDLE; |
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396 | } |
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397 | break; |
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398 | } |
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399 | //////////////////// |
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400 | case TGT_CMD_ATOMIC: |
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401 | { |
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402 | assert(p_vci_tgt.eop && "Memory Cache Error: LL or SC command with length > 1 "); |
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403 | |
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404 | if ( p_vci_tgt.cmdval && m_cmd_llsc_addr_fifo.wok() ) { |
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405 | cmd_llsc_fifo_put = true; |
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406 | r_tgt_cmd_fsm = TGT_CMD_IDLE; |
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407 | } |
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408 | break; |
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409 | } |
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410 | ///////////////////// |
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411 | case TGT_CMD_CLEANUP: |
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412 | { |
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413 | assert(p_vci_tgt.eop && "Memory Cache Error: CLEANUP request with length > 1 "); |
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414 | |
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415 | if ( p_vci_tgt.cmdval && m_cmd_cleanup_nline_fifo.wok() ) { |
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416 | cmd_cleanup_fifo_put = true; |
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417 | r_tgt_cmd_fsm = TGT_CMD_IDLE; |
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418 | } |
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419 | break; |
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420 | } |
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421 | } // end switch tgt_cmd_fsm |
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422 | |
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423 | |
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424 | if ( cmd_cleanup_fifo_put ) { |
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425 | if ( cmd_cleanup_fifo_get ) { |
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426 | m_cmd_cleanup_srcid_fifo.put_and_get(p_vci_tgt.srcid.read()); |
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427 | m_cmd_cleanup_trdid_fifo.put_and_get(p_vci_tgt.trdid.read()); |
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428 | m_cmd_cleanup_pktid_fifo.put_and_get(p_vci_tgt.pktid.read()); |
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429 | m_cmd_cleanup_nline_fifo.put_and_get(p_vci_tgt.wdata.read()); |
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430 | } else { |
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431 | m_cmd_cleanup_srcid_fifo.simple_put(p_vci_tgt.srcid.read()); |
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432 | m_cmd_cleanup_trdid_fifo.simple_put(p_vci_tgt.trdid.read()); |
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433 | m_cmd_cleanup_pktid_fifo.simple_put(p_vci_tgt.pktid.read()); |
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434 | m_cmd_cleanup_nline_fifo.simple_put(p_vci_tgt.wdata.read()); |
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435 | } |
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436 | } else { |
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437 | if ( cmd_cleanup_fifo_get ) { |
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438 | m_cmd_cleanup_srcid_fifo.simple_get(); |
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439 | m_cmd_cleanup_trdid_fifo.simple_get(); |
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440 | m_cmd_cleanup_pktid_fifo.simple_get(); |
---|
441 | m_cmd_cleanup_nline_fifo.simple_get(); |
---|
442 | } |
---|
443 | } |
---|
444 | |
---|
445 | m_cpt_cycles++; |
---|
446 | |
---|
447 | } // end transition() |
---|
448 | |
---|
449 | ///////////////////////////// |
---|
450 | tmpl(void)::genMoore() |
---|
451 | ///////////////////////////// |
---|
452 | { |
---|
453 | //////////////////////////////////////////////////////////// |
---|
454 | // Command signals on the p_vci_ixr port |
---|
455 | //////////////////////////////////////////////////////////// |
---|
456 | |
---|
457 | |
---|
458 | p_vci_ixr.be = 0xF; |
---|
459 | p_vci_ixr.pktid = 0; |
---|
460 | p_vci_ixr.srcid = m_srcid_ixr; |
---|
461 | p_vci_ixr.cons = false; |
---|
462 | p_vci_ixr.wrap = false; |
---|
463 | p_vci_ixr.contig = true; |
---|
464 | p_vci_ixr.clen = 0; |
---|
465 | p_vci_ixr.cfixed = false; |
---|
466 | |
---|
467 | if ( r_xram_cmd_fsm.read() == XRAM_CMD_READ_NLINE ) { |
---|
468 | p_vci_ixr.cmd = vci_param::CMD_READ; |
---|
469 | p_vci_ixr.cmdval = true; |
---|
470 | p_vci_ixr.address = (r_read_to_xram_cmd_nline.read()*m_words*4); |
---|
471 | p_vci_ixr.plen = m_words*4; |
---|
472 | p_vci_ixr.wdata = 0x00000000; |
---|
473 | p_vci_ixr.trdid = r_read_to_xram_cmd_trdid.read(); |
---|
474 | p_vci_ixr.eop = true; |
---|
475 | } |
---|
476 | else if ( r_xram_cmd_fsm.read() == XRAM_CMD_LLSC_NLINE ) { |
---|
477 | p_vci_ixr.cmd = vci_param::CMD_READ; |
---|
478 | p_vci_ixr.cmdval = true; |
---|
479 | p_vci_ixr.address = (r_llsc_to_xram_cmd_nline.read()*m_words*4); |
---|
480 | p_vci_ixr.plen = m_words*4; |
---|
481 | p_vci_ixr.wdata = 0x00000000; |
---|
482 | p_vci_ixr.trdid = r_llsc_to_xram_cmd_trdid.read(); |
---|
483 | p_vci_ixr.eop = true; |
---|
484 | } |
---|
485 | else if ( r_xram_cmd_fsm.read() == XRAM_CMD_WRITE_NLINE ) { |
---|
486 | p_vci_ixr.cmd = vci_param::CMD_READ; |
---|
487 | p_vci_ixr.cmdval = true; |
---|
488 | p_vci_ixr.address = (r_write_to_xram_cmd_nline.read()*m_words*4); |
---|
489 | p_vci_ixr.plen = m_words*4; |
---|
490 | p_vci_ixr.wdata = 0x00000000; |
---|
491 | p_vci_ixr.trdid = r_write_to_xram_cmd_trdid.read(); |
---|
492 | p_vci_ixr.eop = true; |
---|
493 | } |
---|
494 | else if ( r_xram_cmd_fsm.read() == XRAM_CMD_XRAM_DATA ) { |
---|
495 | p_vci_ixr.cmd = vci_param::CMD_WRITE; |
---|
496 | p_vci_ixr.cmdval = true; |
---|
497 | p_vci_ixr.address = ((r_xram_rsp_to_xram_cmd_nline.read()*m_words+r_xram_cmd_cpt.read())*4); |
---|
498 | p_vci_ixr.plen = m_words*4; |
---|
499 | p_vci_ixr.wdata = r_xram_rsp_to_xram_cmd_data[r_xram_cmd_cpt.read()].read(); |
---|
500 | p_vci_ixr.trdid = r_xram_rsp_to_xram_cmd_trdid.read(); |
---|
501 | p_vci_ixr.eop = (r_xram_cmd_cpt == (m_words-1)); |
---|
502 | } else { |
---|
503 | p_vci_ixr.cmdval = false; |
---|
504 | p_vci_ixr.address = 0; |
---|
505 | p_vci_ixr.plen = 0; |
---|
506 | p_vci_ixr.wdata = 0; |
---|
507 | p_vci_ixr.trdid = 0; |
---|
508 | p_vci_ixr.eop = false; |
---|
509 | } |
---|
510 | |
---|
511 | //////////////////////////////////////////////////// |
---|
512 | // Response signals on the p_vci_ixr port |
---|
513 | //////////////////////////////////////////////////// |
---|
514 | |
---|
515 | if ( ((r_alloc_trt_fsm.read() == ALLOC_TRT_IXR_RSP) && |
---|
516 | (r_ixr_rsp_fsm.read() == IXR_RSP_TRT_READ)) || |
---|
517 | (r_ixr_rsp_fsm.read() == IXR_RSP_ACK) ) p_vci_ixr.rspack = true; |
---|
518 | else p_vci_ixr.rspack = false; |
---|
519 | |
---|
520 | //////////////////////////////////////////////////// |
---|
521 | // Command signals on the p_vci_tgt port |
---|
522 | //////////////////////////////////////////////////// |
---|
523 | |
---|
524 | switch ((tgt_cmd_fsm_state_e)r_tgt_cmd_fsm.read()) { |
---|
525 | case TGT_CMD_IDLE: |
---|
526 | p_vci_tgt.cmdack = false; |
---|
527 | break; |
---|
528 | case TGT_CMD_READ: |
---|
529 | p_vci_tgt.cmdack = m_cmd_read_addr_fifo.wok(); |
---|
530 | break; |
---|
531 | case TGT_CMD_READ_EOP: |
---|
532 | p_vci_tgt.cmdack = true; |
---|
533 | break; |
---|
534 | case TGT_CMD_WRITE: |
---|
535 | p_vci_tgt.cmdack = m_cmd_write_addr_fifo.wok(); |
---|
536 | break; |
---|
537 | case TGT_CMD_ATOMIC: |
---|
538 | p_vci_tgt.cmdack = m_cmd_llsc_addr_fifo.wok(); |
---|
539 | break; |
---|
540 | case TGT_CMD_CLEANUP: |
---|
541 | p_vci_tgt.cmdack = m_cmd_cleanup_nline_fifo.wok(); |
---|
542 | break; |
---|
543 | default: |
---|
544 | p_vci_tgt.cmdack = false; |
---|
545 | break; |
---|
546 | } |
---|
547 | |
---|
548 | //////////////////////////////////////////////////// |
---|
549 | // Response signals on the p_vci_tgt port |
---|
550 | //////////////////////////////////////////////////// |
---|
551 | switch ( r_tgt_rsp_fsm.read() ) { |
---|
552 | |
---|
553 | case TGT_RSP_READ_IDLE: |
---|
554 | case TGT_RSP_WRITE_IDLE: |
---|
555 | case TGT_RSP_LLSC_IDLE: |
---|
556 | case TGT_RSP_CLEANUP_IDLE: |
---|
557 | case TGT_RSP_XRAM_IDLE: |
---|
558 | case TGT_RSP_INIT_IDLE: |
---|
559 | case TGT_RSP_READ_TEST: |
---|
560 | case TGT_RSP_XRAM_TEST: |
---|
561 | |
---|
562 | p_vci_tgt.rspval = false; |
---|
563 | p_vci_tgt.rsrcid = 0; |
---|
564 | p_vci_tgt.rdata = 0; |
---|
565 | p_vci_tgt.rpktid = 0; |
---|
566 | p_vci_tgt.rtrdid = 0; |
---|
567 | p_vci_tgt.rerror = 0; |
---|
568 | p_vci_tgt.reop = false; |
---|
569 | break; |
---|
570 | case TGT_RSP_READ_LINE: |
---|
571 | p_vci_tgt.rspval = true; |
---|
572 | p_vci_tgt.rdata = r_read_to_tgt_rsp_data[r_tgt_rsp_cpt.read()].read(); |
---|
573 | p_vci_tgt.rsrcid = r_read_to_tgt_rsp_srcid.read(); |
---|
574 | p_vci_tgt.rtrdid = r_read_to_tgt_rsp_trdid.read(); |
---|
575 | p_vci_tgt.rpktid = r_read_to_tgt_rsp_pktid.read(); |
---|
576 | p_vci_tgt.rerror = 0; |
---|
577 | p_vci_tgt.reop = (r_tgt_rsp_cpt.read()==(m_words-1)); |
---|
578 | break; |
---|
579 | case TGT_RSP_READ_WORD: |
---|
580 | p_vci_tgt.rspval = true; |
---|
581 | p_vci_tgt.rdata = r_read_to_tgt_rsp_data[r_tgt_rsp_cpt.read()].read(); |
---|
582 | p_vci_tgt.rsrcid = r_read_to_tgt_rsp_srcid.read(); |
---|
583 | p_vci_tgt.rtrdid = r_read_to_tgt_rsp_trdid.read(); |
---|
584 | p_vci_tgt.rpktid = r_read_to_tgt_rsp_pktid.read(); |
---|
585 | p_vci_tgt.rerror = 0; |
---|
586 | p_vci_tgt.reop = true; |
---|
587 | break; |
---|
588 | case TGT_RSP_WRITE: |
---|
589 | p_vci_tgt.rspval = true; |
---|
590 | p_vci_tgt.rdata = 0; |
---|
591 | p_vci_tgt.rsrcid = r_write_to_tgt_rsp_srcid.read(); |
---|
592 | p_vci_tgt.rtrdid = r_write_to_tgt_rsp_trdid.read(); |
---|
593 | p_vci_tgt.rpktid = r_write_to_tgt_rsp_pktid.read(); |
---|
594 | p_vci_tgt.rerror = 0; |
---|
595 | p_vci_tgt.reop = true; |
---|
596 | break; |
---|
597 | case TGT_RSP_CLEANUP: |
---|
598 | p_vci_tgt.rspval = true; |
---|
599 | p_vci_tgt.rdata = 0; |
---|
600 | p_vci_tgt.rsrcid = r_cleanup_to_tgt_rsp_srcid.read(); |
---|
601 | p_vci_tgt.rtrdid = r_cleanup_to_tgt_rsp_trdid.read(); |
---|
602 | p_vci_tgt.rpktid = r_cleanup_to_tgt_rsp_pktid.read(); |
---|
603 | p_vci_tgt.rerror = 0; |
---|
604 | p_vci_tgt.reop = true; |
---|
605 | break; |
---|
606 | case TGT_RSP_LLSC: |
---|
607 | p_vci_tgt.rspval = true; |
---|
608 | p_vci_tgt.rdata = r_llsc_to_tgt_rsp_data.read(); |
---|
609 | p_vci_tgt.rsrcid = r_llsc_to_tgt_rsp_srcid.read(); |
---|
610 | p_vci_tgt.rtrdid = r_llsc_to_tgt_rsp_trdid.read(); |
---|
611 | p_vci_tgt.rpktid = r_llsc_to_tgt_rsp_pktid.read(); |
---|
612 | p_vci_tgt.rerror = 0; |
---|
613 | p_vci_tgt.reop = true; |
---|
614 | break; |
---|
615 | case TGT_RSP_XRAM_LINE: |
---|
616 | p_vci_tgt.rspval = true; |
---|
617 | p_vci_tgt.rdata = r_xram_rsp_to_tgt_rsp_data[r_tgt_rsp_cpt.read()].read(); |
---|
618 | p_vci_tgt.rsrcid = r_xram_rsp_to_tgt_rsp_srcid.read(); |
---|
619 | p_vci_tgt.rtrdid = r_xram_rsp_to_tgt_rsp_trdid.read(); |
---|
620 | p_vci_tgt.rpktid = r_xram_rsp_to_tgt_rsp_pktid.read(); |
---|
621 | p_vci_tgt.rerror = 0; |
---|
622 | p_vci_tgt.reop = (r_tgt_rsp_cpt.read()==(m_words-1)); |
---|
623 | break; |
---|
624 | case TGT_RSP_XRAM_WORD: |
---|
625 | p_vci_tgt.rspval = true; |
---|
626 | p_vci_tgt.rdata = r_xram_rsp_to_tgt_rsp_data[r_tgt_rsp_cpt.read()].read(); |
---|
627 | p_vci_tgt.rsrcid = r_xram_rsp_to_tgt_rsp_srcid.read(); |
---|
628 | p_vci_tgt.rtrdid = r_xram_rsp_to_tgt_rsp_trdid.read(); |
---|
629 | p_vci_tgt.rpktid = r_xram_rsp_to_tgt_rsp_pktid.read(); |
---|
630 | p_vci_tgt.rerror = 0; |
---|
631 | p_vci_tgt.reop = true; |
---|
632 | break; |
---|
633 | case TGT_RSP_INIT: |
---|
634 | p_vci_tgt.rspval = true; |
---|
635 | p_vci_tgt.rdata = 0; |
---|
636 | p_vci_tgt.rsrcid = r_init_rsp_to_tgt_rsp_srcid.read(); |
---|
637 | p_vci_tgt.rtrdid = r_init_rsp_to_tgt_rsp_trdid.read(); |
---|
638 | p_vci_tgt.rpktid = r_init_rsp_to_tgt_rsp_pktid.read(); |
---|
639 | p_vci_tgt.rerror = 0; |
---|
640 | p_vci_tgt.reop = true; |
---|
641 | break; |
---|
642 | } // end switch r_tgt_rsp_fsm |
---|
643 | |
---|
644 | /////////////////////////////////////////////////// |
---|
645 | // Command signals on the p_vci_ini port |
---|
646 | /////////////////////////////////////////////////// |
---|
647 | |
---|
648 | p_vci_ini.cmd = vci_param::CMD_WRITE; |
---|
649 | p_vci_ini.srcid = m_srcid_ini; |
---|
650 | p_vci_ini.pktid = 0; |
---|
651 | p_vci_ini.cons = true; |
---|
652 | p_vci_ini.wrap = false; |
---|
653 | p_vci_ini.contig = false; |
---|
654 | p_vci_ini.clen = 0; |
---|
655 | p_vci_ini.cfixed = false; |
---|
656 | |
---|
657 | switch ( r_init_cmd_fsm.read() ) { |
---|
658 | |
---|
659 | case INIT_CMD_UPDT_IDLE: |
---|
660 | case INIT_CMD_INVAL_IDLE: |
---|
661 | case INIT_CMD_UPDT_SEL: |
---|
662 | case INIT_CMD_INVAL_SEL: |
---|
663 | p_vci_ini.cmdval = false; |
---|
664 | p_vci_ini.address = 0; |
---|
665 | p_vci_ini.wdata = 0; |
---|
666 | p_vci_ini.be = 0; |
---|
667 | p_vci_ini.plen = 0; |
---|
668 | p_vci_ini.trdid = 0; |
---|
669 | p_vci_ini.eop = false; |
---|
670 | break; |
---|
671 | case INIT_CMD_INVAL_NLINE: |
---|
672 | p_vci_ini.cmdval = true; |
---|
673 | p_vci_ini.address = m_coherence_table[r_init_cmd_target.read()]; |
---|
674 | p_vci_ini.wdata = r_xram_rsp_to_init_cmd_nline.read(); |
---|
675 | p_vci_ini.be = 0xF; |
---|
676 | p_vci_ini.plen = 4; |
---|
677 | p_vci_ini.trdid = r_xram_rsp_to_init_cmd_trdid.read(); |
---|
678 | p_vci_ini.eop = true; |
---|
679 | break; |
---|
680 | case INIT_CMD_UPDT_NLINE: |
---|
681 | p_vci_ini.cmdval = true; |
---|
682 | p_vci_ini.address = m_coherence_table[r_init_cmd_target.read()] + 4; |
---|
683 | p_vci_ini.wdata = r_write_to_init_cmd_nline.read(); |
---|
684 | p_vci_ini.be = 0xF; |
---|
685 | p_vci_ini.plen = 4 * (r_write_to_init_cmd_count.read() + 2); |
---|
686 | p_vci_ini.trdid = r_write_to_init_cmd_trdid.read(); |
---|
687 | p_vci_ini.eop = false; |
---|
688 | break; |
---|
689 | case INIT_CMD_UPDT_INDEX: |
---|
690 | p_vci_ini.cmdval = true; |
---|
691 | p_vci_ini.address = m_coherence_table[r_init_cmd_target.read()] + 4; |
---|
692 | p_vci_ini.wdata = r_write_to_init_cmd_index.read(); |
---|
693 | p_vci_ini.be = 0xF; |
---|
694 | p_vci_ini.plen = 4 * (r_write_to_init_cmd_count.read() + 2); |
---|
695 | p_vci_ini.trdid = r_write_to_init_cmd_trdid.read(); |
---|
696 | p_vci_ini.eop = false; |
---|
697 | break; |
---|
698 | case INIT_CMD_UPDT_DATA: |
---|
699 | p_vci_ini.cmdval = true; |
---|
700 | p_vci_ini.address = m_coherence_table[r_init_cmd_target.read()] + 4; |
---|
701 | p_vci_ini.wdata = r_write_to_init_cmd_data[r_init_cmd_cpt.read() + |
---|
702 | r_write_to_init_cmd_index.read()].read(); |
---|
703 | if(r_write_to_init_cmd_we[r_init_cmd_cpt.read() + |
---|
704 | r_write_to_init_cmd_index.read()].read()) |
---|
705 | p_vci_ini.be = 0xF; |
---|
706 | else p_vci_ini.be = 0x0; |
---|
707 | p_vci_ini.plen = 4 * (r_write_to_init_cmd_count.read() + 2); |
---|
708 | p_vci_ini.trdid = r_write_to_init_cmd_trdid.read(); |
---|
709 | p_vci_ini.eop = ( r_init_cmd_cpt.read() == (r_write_to_init_cmd_count.read()-1) ); |
---|
710 | break; |
---|
711 | } // end switch r_init_cmd_fsm |
---|
712 | |
---|
713 | ////////////////////////////////////////////////////// |
---|
714 | // Response signals on the p_vci_ini port |
---|
715 | ////////////////////////////////////////////////////// |
---|
716 | |
---|
717 | if ( r_init_rsp_fsm.read() == INIT_RSP_IDLE ) p_vci_ini.rspack = true; |
---|
718 | else p_vci_ini.rspack = false; |
---|
719 | |
---|
720 | } // end genMoore() |
---|
721 | |
---|
722 | }} // end name space |
---|