[2] | 1 | // ### -------------------------------------------------------------- ### |
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| 2 | // # # |
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| 3 | // # File : sim2os.h # |
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| 4 | // # Authors : Rosière Mathieu # |
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| 5 | // # Date : 12/06/2006 # |
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| 6 | // # Modif. : dd/mm/yyyy # |
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| 7 | // # Version : 1.0 # |
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| 8 | // # # |
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| 9 | // # Origin : this description has been developed by CAO-VLSI team # |
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| 10 | // # at ASIM laboratory, University Pierre et Marie Curie # |
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| 11 | // # 4 Place Jussieu 75252 Paris Cedex 05 - France # |
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| 12 | // # # |
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| 13 | // ### -------------------------------------------------------------- ### |
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| 14 | |
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| 15 | /* |
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| 16 | * WARNING : |
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| 17 | * This bridge can be use, if : |
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| 18 | * - sizeof between the host's cpu and the simulation's cpu is the same |
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| 19 | * - |
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| 20 | */ |
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| 21 | |
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| 22 | #ifndef SIM2OS_H |
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| 23 | #define SIM2OS_H |
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| 24 | |
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| 25 | #include "service.h" |
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| 26 | #include "service_conversion.h" |
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| 27 | #include <iostream> |
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| 28 | #include <map> |
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| 29 | using namespace std; |
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| 30 | #include <sys/types.h> |
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| 31 | #include <sys/stat.h> |
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| 32 | #include <fcntl.h> |
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| 33 | #include <errno.h> |
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| 34 | #include <stdarg.h> |
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| 35 | #include "shared/soclib_segment_table.h" |
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| 36 | #include "../endianness/endianness.h" |
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| 37 | using namespace std; |
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| 38 | using namespace hierarchy_memory::sim2os::service; |
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| 39 | |
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| 40 | namespace hierarchy_memory { |
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| 41 | namespace sim2os { |
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| 42 | |
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| 43 | |
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| 44 | |
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| 45 | //****************************************************************************************** |
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| 46 | // Interface |
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| 47 | //****************************************************************************************** |
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| 48 | |
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| 49 | |
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| 50 | |
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| 51 | class param_t |
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| 52 | { |
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| 53 | public : char * name ; |
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| 54 | public : SOCLIB_SEGMENT_TABLE * segment_table ; |
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| 55 | |
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| 56 | public : param_t () {}; |
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| 57 | |
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| 58 | public : param_t (char * name , |
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| 59 | SOCLIB_SEGMENT_TABLE * segment_table ) |
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| 60 | { |
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| 61 | this->name = name ; |
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| 62 | this->segment_table = segment_table ; |
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| 63 | } |
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| 64 | }; //end param_t |
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| 65 | |
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| 66 | class Sim2os |
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| 67 | { |
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| 68 | //=====[ Private ]========================================================================== |
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| 69 | //-----[ Champ ]---------------------------------------------------------------------------- |
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| 70 | private : const char * NAME; |
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| 71 | private : service_t num_service; // number of service |
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| 72 | private : map<unsigned int,void *> arguments; |
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| 73 | private : SOCLIB_SEGMENT_TABLE * segment_table; |
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| 74 | private : unsigned long long nb_cycle; |
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| 75 | |
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| 76 | //-----[ Methods ]-------------------------------------------------------------------------- |
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| 77 | private : bool have_all_arguments (unsigned int); |
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| 78 | private : void * convert_address (void *); |
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| 79 | |
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| 80 | private : void * service_open (); |
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| 81 | private : void * service_close (); |
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| 82 | private : void * service_read (); |
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| 83 | private : void * service_write (); |
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| 84 | private : void * service_time (); |
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| 85 | private : void * service_clock (); |
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| 86 | private : void * service_lseek (); |
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| 87 | |
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| 88 | //=====[ Public ]=========================================================================== |
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| 89 | public : void * result; |
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| 90 | public : int error; // It's errno |
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| 91 | |
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| 92 | //-----[ Methods ]-------------------------------------------------------------------------- |
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| 93 | public : Sim2os (param_t); |
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| 94 | public : ~Sim2os (); |
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| 95 | public : void * execute (); |
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| 96 | public : void * execute (service_t); |
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| 97 | public : void * execute (service_t, void *, ...); |
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| 98 | public : void parameter (unsigned int, void *); |
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| 99 | public : void transition (); |
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| 100 | |
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| 101 | //=====[ Friend ]=========================================================================== |
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| 102 | //-----[ Methods ]-------------------------------------------------------------------------- |
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| 103 | friend ostream& operator<< (ostream&, Sim2os); |
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| 104 | }; |
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| 105 | |
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| 106 | |
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| 107 | |
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| 108 | //****************************************************************************************** |
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| 109 | // Implementation |
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| 110 | //****************************************************************************************** |
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| 111 | |
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| 112 | |
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| 113 | |
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| 114 | //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[ Sim2os ]~~~~~ |
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| 115 | Sim2os :: |
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| 116 | Sim2os (param_t param) : |
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| 117 | NAME (param.name) |
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| 118 | { |
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| 119 | segment_table = param.segment_table; |
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| 120 | result = (void *)-1; |
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| 121 | error = 1; |
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| 122 | nb_cycle = 0; |
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| 123 | cout << "<" << NAME << "> Successful Instanciation" << endl; |
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| 124 | }; |
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| 125 | |
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| 126 | //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[ ~Sim2os ]~~~~~ |
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| 127 | Sim2os :: |
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| 128 | ~Sim2os () |
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| 129 | { |
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| 130 | cout << "<" << NAME << "> Destructor" << endl; |
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| 131 | }; |
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| 132 | |
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| 133 | //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[ have_all_arguments ]~~~~~ |
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| 134 | /* |
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| 135 | * Test if all arguments is here |
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| 136 | * (don't test the coherencies of this) |
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| 137 | */ |
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| 138 | bool |
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| 139 | Sim2os :: |
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| 140 | have_all_arguments (unsigned int nb_val) |
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| 141 | { |
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| 142 | // while ((nb_val > 0) && |
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| 143 | // (arguments.find(nb_val) != arguments.end())) |
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| 144 | // nb_val --; |
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| 145 | |
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| 146 | unsigned int val = nb_val; |
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| 147 | while (nb_val > 0) |
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| 148 | if (arguments.find(nb_val) != arguments.end()) |
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| 149 | nb_val --; |
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| 150 | else |
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| 151 | { |
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| 152 | cerr << "argument[" << nb_val << "] on " << val << ", is not find." << endl; |
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| 153 | break; |
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| 154 | } |
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| 155 | |
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| 156 | return (nb_val == 0); |
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| 157 | }; |
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| 158 | |
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| 159 | //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[ convert_address ]~~~~~ |
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| 160 | /* |
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| 161 | * convert a address in the simulator on a address in OS |
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| 162 | */ |
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| 163 | void * |
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| 164 | Sim2os :: |
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| 165 | convert_address (void * address) |
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| 166 | { |
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| 167 | void * result = segment_table->getAddrAlloc((unsigned int)address); |
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| 168 | |
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| 169 | if (result == NULL) |
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| 170 | { |
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| 171 | cerr << "<" << NAME << "> address don't match : " << hex << (unsigned int)address << dec << endl; |
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| 172 | exit(0); |
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| 173 | } |
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| 174 | |
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| 175 | return result; |
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| 176 | } |
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| 177 | |
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| 178 | //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[ transition ]~~~~~ |
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| 179 | /* |
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| 180 | * have a new cycle : update register cycle's depend |
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| 181 | */ |
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| 182 | void |
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| 183 | Sim2os :: |
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| 184 | transition () |
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| 185 | { |
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| 186 | nb_cycle ++; |
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| 187 | } |
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| 188 | |
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| 189 | //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[ execute ]~~~~~ |
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| 190 | /* |
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| 191 | * execute the service with num_service in argument |
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| 192 | */ |
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| 193 | void * |
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| 194 | Sim2os :: |
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| 195 | execute (service_t num) |
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| 196 | { |
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| 197 | num_service = num; |
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| 198 | |
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| 199 | return execute(); |
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| 200 | } |
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| 201 | |
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| 202 | /* |
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| 203 | * execute the service with all |
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| 204 | * the list of arg must be finish by "NULL" |
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| 205 | * also the list can't have a NULL as param |
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| 206 | */ |
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| 207 | void * |
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| 208 | Sim2os :: |
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| 209 | execute (service_t num, void * arg, ...) |
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| 210 | { |
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| 211 | |
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| 212 | num_service = num; |
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| 213 | |
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| 214 | va_list ap; |
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| 215 | va_start (ap,arg); |
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| 216 | unsigned int it = 1; |
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| 217 | while (arg != NULL) |
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| 218 | { |
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| 219 | arguments[it] = arg; |
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| 220 | it ++; |
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| 221 | arg = va_arg(ap,void *); |
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| 222 | } |
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| 223 | |
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| 224 | va_end(ap); |
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| 225 | return execute(); |
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| 226 | } |
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| 227 | |
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| 228 | /* |
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| 229 | * execute the service without argument |
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| 230 | */ |
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| 231 | void * |
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| 232 | Sim2os :: |
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| 233 | execute () |
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| 234 | { |
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| 235 | result = NULL; |
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| 236 | |
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| 237 | switch (num_service) |
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| 238 | { |
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| 239 | case SERVICE_OPEN : {result = service_open (); break;} |
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| 240 | case SERVICE_CLOSE : {result = service_close (); break;} |
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| 241 | case SERVICE_READ : {result = service_read (); break;} |
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| 242 | case SERVICE_WRITE : {result = service_write (); break;} |
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| 243 | case SERVICE_TIME : {result = service_time (); break;} |
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| 244 | case SERVICE_CLOCK : {result = service_clock (); break;} |
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| 245 | case SERVICE_LSEEK : {result = service_lseek (); break;} |
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| 246 | case SERVICE_UNIMPLEMENTED : |
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| 247 | { |
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| 248 | cerr << "<" << NAME << "> service Unimplemented : " << num_service << endl; |
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| 249 | break; |
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| 250 | } |
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| 251 | |
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| 252 | case SERVICE_UNDEFINED : |
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| 253 | default : |
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| 254 | { |
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| 255 | cerr << "<" << NAME << "> service Undefine : " << num_service << endl; |
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| 256 | break; |
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| 257 | } |
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| 258 | }//end switch |
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| 259 | |
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| 260 | // Erase all elt; |
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| 261 | arguments.erase(arguments.begin(),arguments.end()); |
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| 262 | return result; |
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| 263 | }; |
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| 264 | |
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| 265 | //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[ parameter ]~~~~~ |
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| 266 | /* |
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| 267 | * Add a new parameter |
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| 268 | * if num_reg == 0, it's the number of service |
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| 269 | * else it's a arguments |
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| 270 | */ |
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| 271 | void |
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| 272 | Sim2os :: |
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| 273 | parameter (unsigned int num_reg, |
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| 274 | void * val) |
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| 275 | { |
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| 276 | if (num_reg == 0) |
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| 277 | num_service = int2service((int) val); |
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| 278 | else |
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| 279 | arguments[num_reg] = val; |
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| 280 | }; |
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| 281 | |
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| 282 | //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[ operator<< ]~~~~~ |
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| 283 | ostream& operator<< (ostream& output, Sim2os input) |
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| 284 | { |
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| 285 | // output << "<" << input.NAME << ">" << endl; |
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| 286 | // output << "num_service : " << input.num_service << endl; |
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| 287 | |
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| 288 | // for (map<unsigned int,void *>::iterator it = input.arguments.begin(); |
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| 289 | // it != input.arguments.end(); |
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| 290 | // it ++) |
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| 291 | // output << "[" << it.first << "] : " << it.second << endl; |
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| 292 | return output; |
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| 293 | }; |
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| 294 | |
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| 295 | };}; |
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| 296 | |
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| 297 | // Include all service !!! |
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| 298 | #include "service/service_open.h" |
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| 299 | #include "service/service_close.h" |
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| 300 | #include "service/service_read.h" |
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| 301 | #include "service/service_write.h" |
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| 302 | #include "service/service_time.h" |
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| 303 | #include "service/service_clock.h" |
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| 304 | #include "service/service_lseek.h" |
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| 305 | |
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| 306 | |
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| 307 | #endif //!SIM2OS_H |
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