| 1 | /*------------------------------------------------------------\ |
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| 2 | | | |
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| 3 | | Tool : systemcass | |
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| 4 | | | |
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| 5 | | File : sc_main.cc | |
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| 6 | | | |
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| 7 | | Author : Buchmann Richard | |
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| 8 | | Taktak Sami | |
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| 9 | | | |
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| 10 | | Date : 09_07_2004 | |
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| 11 | | | |
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| 12 | \------------------------------------------------------------*/ |
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| 13 | |
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| 14 | /* |
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| 15 | * This file is part of the Disydent Project |
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| 16 | * Copyright (C) Laboratoire UPMC/LIP6 |
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| 17 | * Universite Pierre et Marie Curie |
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| 18 | * |
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| 19 | * Home page : http://www-asim.lip6.fr/disydent |
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| 20 | * E-mail : mailto:richard.buchmann@lip6.fr |
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| 21 | * |
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| 22 | * This library is free software; you can redistribute it and/or modify it |
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| 23 | * under the terms of the GNU Library General Public License as published |
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| 24 | * by the Free Software Foundation; either version 2 of the License, or (at |
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| 25 | * your option) any later version. |
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| 26 | * |
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| 27 | * Disydent is distributed in the hope that it will be |
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| 28 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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| 30 | * Public License for more details. |
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| 31 | * |
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| 32 | * You should have received a copy of the GNU General Public License along |
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| 33 | * with the GNU C Library; see the file COPYING. If not, write to the Free |
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| 34 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 35 | */ |
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| 36 | |
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| 37 | #include <cassert> |
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| 38 | #include <cstring> // strcmp |
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| 39 | #include <list> |
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| 40 | #ifdef _OPENMP |
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| 41 | #include <omp.h> |
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| 42 | #endif |
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| 43 | #include <set> |
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| 44 | #include <sstream> |
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| 45 | |
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| 46 | #include "internal.h" |
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| 47 | #include "global_functions.h" |
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| 48 | #include "sc_ver.h" |
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| 49 | #include "sc_module.h" |
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| 50 | #include "sc_signal.h" // pending_write_vector |
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| 51 | #include "dump_dot.h" |
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| 52 | #include "dump_used_options.h" |
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| 53 | #include "dump_used_env.h" |
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| 54 | |
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| 55 | #ifdef HAVE_CONFIG_H |
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| 56 | #include "config.h" |
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| 57 | #endif |
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| 58 | |
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| 59 | |
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| 60 | using namespace std; |
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| 61 | using namespace sc_core; |
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| 62 | |
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| 63 | typedef list<sc_module *> module_list_t; |
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| 64 | |
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| 65 | |
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| 66 | namespace sc_core { |
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| 67 | |
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| 68 | bool check_port_dependencies = false; |
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| 69 | #ifdef CONFIG_DEFAULT_RUNTIME_COMPILATION |
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| 70 | bool dynamic_link_of_scheduling_code = true; |
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| 71 | #else |
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| 72 | bool dynamic_link_of_scheduling_code = false; |
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| 73 | #endif |
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| 74 | bool dump_netlist_info = false; |
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| 75 | bool dump_funclist_info = false; |
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| 76 | bool dump_stage = false; |
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| 77 | bool dump_all_graph = false; |
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| 78 | const char * dump_module_hierarchy = NULL; |
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| 79 | bool edit_schedule = false; |
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| 80 | bool keep_generated_code = false; |
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| 81 | bool nobanner = false; |
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| 82 | bool noinitialization = false; |
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| 83 | bool nosimulation = false; |
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| 84 | bool notrace = false; |
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| 85 | bool print_schedule = false; |
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| 86 | bool print_user_resources = false; |
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| 87 | char * save_on_exit = NULL; |
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| 88 | int scheduling_method = NO_SCHEDULING; |
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| 89 | bool use_sensitivity_list = false; |
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| 90 | bool use_port_dependency = false; |
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| 91 | |
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| 92 | #ifdef _OPENMP |
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| 93 | const bool use_openmp = true; |
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| 94 | #else |
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| 95 | const bool use_openmp = false; |
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| 96 | #endif |
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| 97 | |
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| 98 | |
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| 99 | const char * HELP_STRING = \ |
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| 100 | "\n" |
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| 101 | "--a\n" |
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| 102 | " almost static scheduling (use sensitivity list instead of port\n" |
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| 103 | " dependency information\n" |
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| 104 | "\n" |
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| 105 | "--c\n" |
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| 106 | " print schedule at simulation time (stderr)\n" |
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| 107 | "\n" |
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| 108 | "--d\n" |
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| 109 | " check port dependencies (stderr)\n" |
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| 110 | "\n" |
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| 111 | "--edit\n" |
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| 112 | " edit schedule before simulation (run $EDITOR or vim by default)\n" |
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| 113 | "\n" |
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| 114 | "--f\n" |
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| 115 | " print function list (stderr)\n" |
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| 116 | "\n" |
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| 117 | "--h\n" |
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| 118 | " display help screen and exit (stdout)\n" |
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| 119 | "\n" |
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| 120 | "--i\n" |
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| 121 | " print instances list, signals list and statistics if available (stderr)\n" |
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| 122 | "\n" |
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| 123 | "--k\n" |
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| 124 | " dump generated scheduling code\n" |
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| 125 | " (generated_by_systemcass/scheduling-xx.cc)\n" |
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| 126 | "\n" |
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| 127 | "--m\n" |
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| 128 | " Mouchard's static scheduling (use port dependency information instead\n" |
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| 129 | " of sensitivity list)\n" |
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| 130 | "\n" |
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| 131 | "--modules <filename>\n" |
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| 132 | " dump module hierarchy graph into specified dot file (tons of bugs\n" |
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| 133 | " inside)\n" |
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| 134 | "\n" |
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| 135 | "--nobanner\n" |
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| 136 | " do not print SystemCASS splash screen\n" |
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| 137 | "\n" |
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| 138 | "--dynamiclink\n" |
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| 139 | " dynamically link the scheduling code\n" |
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| 140 | "\n" |
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| 141 | "--nosim\n" |
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| 142 | " run until elaboration stage. Don't simulate\n" |
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| 143 | "\n" |
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| 144 | "--notrace\n" |
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| 145 | " disable all tracing functions\n" |
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| 146 | "\n" |
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| 147 | "--p\n" |
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| 148 | " entirely static scheduling (use port dependency information instead of\n" |
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| 149 | " sensitivity list)\n" |
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| 150 | "\n" |
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| 151 | "--s\n" |
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| 152 | " print stage (stderr)\n" |
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| 153 | "\n" |
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| 154 | "--save_on_exit <name>\n" |
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| 155 | " save simulation state saved into <name> file when SystemCASS exits\n" |
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| 156 | " (SOCVIEW format)\n" |
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| 157 | "\n" |
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| 158 | /* WARNING : we can't avoid destructors execution before saving */ |
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| 159 | "--t\n" |
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| 160 | " dump either module graph, or signal dependency graph, signal order,\n" |
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| 161 | " and module evalutation order into dot files\n" |
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| 162 | "\n" |
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| 163 | "--tracestart <n>\n" |
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| 164 | " start tracing functions at #n cycle\n" |
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| 165 | "\n" |
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| 166 | "--usage\n" |
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| 167 | " print user time elapsed (sec), simulation cycles done (cycles),\n" |
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| 168 | " and simulator performance (cycles/second) (stderr)\n" |
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| 169 | "\n" |
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| 170 | "--v\n" |
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| 171 | " print internal SystemCASS kernel options (stderr)\n" |
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| 172 | "\n"; |
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| 173 | |
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| 174 | |
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| 175 | |
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| 176 | static void print_splash_screen() { |
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| 177 | // Display once |
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| 178 | if (nobanner == false) { |
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| 179 | cerr << get_splash_screen (); |
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| 180 | } |
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| 181 | nobanner = true; |
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| 182 | } |
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| 183 | |
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| 184 | |
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| 185 | static void check_parameters() { |
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| 186 | if (dump_all_graph) { |
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| 187 | if (use_port_dependency) { |
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| 188 | cerr << "SystemCASS will dump signal dependency graph.\n"; |
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| 189 | } |
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| 190 | else { |
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| 191 | cerr << "SystemCASS will dump module dependency graph.\n"; |
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| 192 | } |
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| 193 | } |
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| 194 | if (!use_port_dependency && check_port_dependencies) { |
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| 195 | cerr << "Warning : unable to check port dependencies.\n"; |
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| 196 | } |
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| 197 | if (!use_port_dependency) { |
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| 198 | use_sensitivity_list = true; |
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| 199 | scheduling_method = CASS_SCHEDULING; |
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| 200 | } |
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| 201 | switch (scheduling_method) { |
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| 202 | case CASS_SCHEDULING : |
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| 203 | assert(use_port_dependency == false); |
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| 204 | break; |
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| 205 | case BUCHMANN_SCHEDULING : |
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| 206 | case MOUCHARD_SCHEDULING : |
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| 207 | if (!use_port_dependency) { |
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| 208 | cerr << "Error : " |
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| 209 | "The choosen scheduling needs port dependencies informations\n"; |
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| 210 | exit (31); |
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| 211 | } |
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| 212 | break; |
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| 213 | default : |
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| 214 | cerr << "Error : You need to choose one of the available scheduling :\n" |
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| 215 | << "- Almost static scheduling like CASS (use sensitivity list)\n" |
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| 216 | << "- Simple static scheduling (use port dependencies)\n" |
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| 217 | << "- Entirely static scheduling (use port dependencies)\n"; |
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| 218 | exit (33); |
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| 219 | } |
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| 220 | assert(use_port_dependency || use_sensitivity_list); |
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| 221 | } |
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| 222 | |
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| 223 | |
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| 224 | void apply_parameters(int & argc, char ** &argv) { |
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| 225 | #ifdef KEEP_GENERATED_CODE // supprimer scheduling-XXXXXX.cc |
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| 226 | keep_generated_code = true; |
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| 227 | #endif |
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| 228 | #ifdef DUMP_NETLIST_INFO |
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| 229 | dump_netlist_info = true; |
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| 230 | #endif |
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| 231 | #ifdef DUMP_FUNCLIST_INFO |
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| 232 | dump_funclist_info = true; |
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| 233 | #endif |
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| 234 | #ifdef DUMP_STAGE |
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| 235 | dump_stage = true; |
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| 236 | #endif |
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| 237 | #ifdef DUMP_COMBINATIONAL_LIST2DOT |
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| 238 | dump_all_graph = true; |
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| 239 | #endif |
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| 240 | #ifdef PRINT_SCHEDULE |
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| 241 | print_schedule = true; |
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| 242 | #endif |
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| 243 | #ifdef USE_PORT_DEPENDENCY |
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| 244 | use_port_dependency = true; |
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| 245 | #endif |
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| 246 | // parse the command line |
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| 247 | int i; |
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| 248 | for (i = 1; i < argc; ++i) { |
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| 249 | if (argv[i][0] == '-') { |
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| 250 | if (argv[i][1] == '-') { |
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| 251 | switch (argv[i][2]) { |
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| 252 | case 'h' : |
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| 253 | print_splash_screen(); |
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| 254 | cerr << "Usage : " |
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| 255 | << argv[0] << " [--c] [--edit] [--d] [--f] [--h] [--i] [--k] [--modules filename] [--nobanner] [--[no]dynamiclink] [--nosim] [--notrace] [--s] [--t] [--tracestart n] [--usage] [--v] [--p|m|a] [others parameters processed by sc_main]\n" |
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| 256 | << "Thoses options are processed by SystemCASS library. All the remaining options are passed to sc_main.\n" |
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| 257 | << "sc_main function retrieves last parameters.\n" |
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| 258 | << HELP_STRING; |
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| 259 | noinitialization = true; |
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| 260 | nosimulation = true; |
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| 261 | continue; |
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| 262 | case 'v' : |
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| 263 | print_splash_screen (); |
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| 264 | cerr << get_used_options () << "\n"; |
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| 265 | cerr << get_used_env () << "\n"; |
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| 266 | cerr << sc_version () << "\n\n"; |
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| 267 | exit (0); |
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| 268 | case 'u' : |
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| 269 | if (strcmp (argv[i] + 2, "usage") == 0) { |
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| 270 | print_user_resources = true; |
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| 271 | } |
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| 272 | else { |
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| 273 | break; |
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| 274 | } |
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| 275 | continue; |
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| 276 | case 'i' : |
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| 277 | dump_netlist_info = true; |
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| 278 | continue; |
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| 279 | case 'f' : |
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| 280 | dump_funclist_info = true; |
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| 281 | continue; |
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| 282 | case 's' : |
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| 283 | if (strcmp (argv[i] + 2, "save_on_exit") == 0) { |
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| 284 | save_on_exit = argv[++i]; |
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| 285 | } |
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| 286 | else { |
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| 287 | dump_stage = true; |
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| 288 | } |
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| 289 | |
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| 290 | continue; |
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| 291 | case 'c' : |
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| 292 | print_schedule = true; |
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| 293 | continue; |
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| 294 | case 'd' : |
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| 295 | if (strcmp (argv[i] + 2, "dynamiclink") == 0) { |
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| 296 | dynamic_link_of_scheduling_code = true; |
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| 297 | } |
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| 298 | else { |
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| 299 | check_port_dependencies = true; |
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| 300 | } |
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| 301 | continue; |
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| 302 | case 'e' : |
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| 303 | if (strcmp (argv[i] + 2, "edit") == 0) { |
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| 304 | edit_schedule = true; |
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| 305 | } |
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| 306 | else { |
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| 307 | break; |
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| 308 | } |
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| 309 | continue; |
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| 310 | case 'k' : |
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| 311 | keep_generated_code = true; |
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| 312 | continue; |
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| 313 | case 't' : |
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| 314 | if (strcmp (argv[i] + 2, "tracestart") == 0) { |
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| 315 | ++i; |
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| 316 | istringstream iss (argv[i]); |
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| 317 | iss >> trace_start; |
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| 318 | trace_start <<= 1; |
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| 319 | // trace_start = strtoll (argv[i],0,10) << 1; |
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| 320 | // trace_start = atoll (argv[i]) << 1; |
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| 321 | } |
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| 322 | else { |
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| 323 | dump_all_graph = true; |
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| 324 | } |
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| 325 | continue; |
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| 326 | case 'm' : |
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| 327 | if (strcmp (argv[i] + 2, "modules") == 0) { |
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| 328 | ++i; |
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| 329 | dump_module_hierarchy = argv[i]; |
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| 330 | continue; |
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| 331 | } |
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| 332 | else if (strcmp (argv[i] + 2, "m") == 0) { |
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| 333 | use_port_dependency = true; |
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| 334 | scheduling_method = MOUCHARD_SCHEDULING; |
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| 335 | continue; |
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| 336 | } |
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| 337 | break; |
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| 338 | case 'n' : |
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| 339 | if (strcmp (argv[i] + 2, "nobanner") == 0) { |
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| 340 | nobanner = true; |
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| 341 | } |
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| 342 | else if (strcmp (argv[i] + 2, "nodynamiclink") == 0) { |
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| 343 | dynamic_link_of_scheduling_code = false; |
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| 344 | } |
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| 345 | else if (strcmp (argv[i] + 2, "nosim") == 0) { |
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| 346 | nosimulation = true; |
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| 347 | } |
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| 348 | else if (strcmp (argv[i] + 2, "notrace") == 0) { |
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| 349 | notrace = true; |
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| 350 | } |
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| 351 | else { |
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| 352 | break; |
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| 353 | } |
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| 354 | continue; |
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| 355 | case 'a' : |
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| 356 | use_sensitivity_list = true; |
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| 357 | scheduling_method = CASS_SCHEDULING; |
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| 358 | continue; |
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| 359 | case 'p' : |
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| 360 | use_port_dependency = true; |
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| 361 | scheduling_method = BUCHMANN_SCHEDULING; |
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| 362 | continue; |
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| 363 | default : |
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| 364 | break; |
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| 365 | } |
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| 366 | break; |
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| 367 | } |
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| 368 | } |
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| 369 | break; |
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| 370 | } |
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| 371 | |
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| 372 | // erase SystemCASS options from the command line and give it to the sc_main |
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| 373 | if (i != 1) { |
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| 374 | int j = 1; |
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| 375 | while (i < argc) { |
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| 376 | argv[j++] = argv[i++]; |
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| 377 | } |
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| 378 | argc = j; |
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| 379 | } |
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| 380 | } |
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| 381 | |
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| 382 | |
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| 383 | } // end of namespace |
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| 384 | |
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| 385 | |
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| 386 | using namespace sc_core; |
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| 387 | |
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| 388 | int main(int argc, char * argv[]) { |
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| 389 | apply_parameters(argc, argv); |
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| 390 | print_splash_screen(); |
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| 391 | check_parameters(); |
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| 392 | |
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| 393 | if (noinitialization) { |
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| 394 | return 255; |
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| 395 | } |
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| 396 | |
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| 397 | int ret = sc_main(argc, argv); |
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| 398 | // free (pending_write_vector); |
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| 399 | close_systemcass (); |
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| 400 | |
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| 401 | if (have_to_stop) { |
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| 402 | cerr << "'sc_stop' function was called. Exit code : 1\n"; |
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| 403 | return 1; |
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| 404 | } |
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| 405 | |
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| 406 | return ret; |
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| 407 | } |
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| 408 | |
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| 409 | /* |
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| 410 | # Local Variables: |
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| 411 | # tab-width: 4; |
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| 412 | # c-basic-offset: 4; |
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| 413 | # c-file-offsets:((innamespace . 0)(inline-open . 0)); |
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| 414 | # indent-tabs-mode: nil; |
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| 415 | # End: |
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| 416 | # |
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| 417 | # vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
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| 418 | */ |
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| 419 | |
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