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|
| 1 |
+
#include <systemc.h>
|
| 2 |
+
|
| 3 |
+
SC_MODULE (hello) { // module named hello
|
| 4 |
+
SC_CTOR (hello) { //constructor phase, which is empty in this case
|
| 5 |
+
}
|
| 6 |
+
|
| 7 |
+
void say_hello() {
|
| 8 |
+
std::cout << "Hello World!" << std::endl;
|
| 9 |
+
}
|
| 10 |
+
};
|
| 11 |
+
|
| 12 |
+
int sc_main(int argc, char* argv[]) {
|
| 13 |
+
hello h("hello");
|
| 14 |
+
h.say_hello();
|
| 15 |
+
return 0;
|
| 16 |
+
}
|
| 17 |
+
|
| 18 |
+
/*
|
| 19 |
+
* @ASCK
|
| 20 |
+
*/
|
| 21 |
+
|
| 22 |
+
#include <systemc.h>
|
| 23 |
+
|
| 24 |
+
SC_MODULE (ALU) {
|
| 25 |
+
|
| 26 |
+
sc_in <sc_int<8>> in1; // A
|
| 27 |
+
sc_in <sc_int<8>> in2; // B
|
| 28 |
+
sc_in <bool> c; // Carry Out // in this project, this signal is always 1
|
| 29 |
+
|
| 30 |
+
// ALUOP // has 5 bits by merging: opselect (4bits) and first LSB bit of opcode (1bit)
|
| 31 |
+
sc_in <sc_uint<5>> aluop;
|
| 32 |
+
sc_in <sc_uint<3>> sa; // Shift Amount
|
| 33 |
+
|
| 34 |
+
sc_out <sc_int<8>> out; // Output
|
| 35 |
+
|
| 36 |
+
/*
|
| 37 |
+
** module global variables
|
| 38 |
+
*/
|
| 39 |
+
|
| 40 |
+
//
|
| 41 |
+
|
| 42 |
+
SC_CTOR (ALU){
|
| 43 |
+
SC_METHOD (process);
|
| 44 |
+
sensitive << in1 << in2 << aluop;
|
| 45 |
+
}
|
| 46 |
+
|
| 47 |
+
void process () {
|
| 48 |
+
|
| 49 |
+
sc_int<8> a = in1.read();
|
| 50 |
+
sc_int<8> b = in2.read();
|
| 51 |
+
bool cin = c.read();
|
| 52 |
+
sc_uint<5> op = aluop.read();
|
| 53 |
+
sc_uint<3> sh = sa.read();
|
| 54 |
+
|
| 55 |
+
switch (op){
|
| 56 |
+
case 0b00000 :
|
| 57 |
+
out.write(a);
|
| 58 |
+
break;
|
| 59 |
+
case 0b00001 :
|
| 60 |
+
out.write(++a);
|
| 61 |
+
break;
|
| 62 |
+
case 0b00010 :
|
| 63 |
+
out.write(a+b);
|
| 64 |
+
break;
|
| 65 |
+
case 0b00011 :
|
| 66 |
+
out.write(a+b+cin);
|
| 67 |
+
break;
|
| 68 |
+
case 0b00100 :
|
| 69 |
+
out.write(a-b);
|
| 70 |
+
break;
|
| 71 |
+
case 0b00101 :
|
| 72 |
+
out.write(a-b-cin);
|
| 73 |
+
break;
|
| 74 |
+
case 0b00110 :
|
| 75 |
+
out.write(--a);
|
| 76 |
+
break;
|
| 77 |
+
case 0b00111 :
|
| 78 |
+
out.write(b);
|
| 79 |
+
break;
|
| 80 |
+
case 0b01000 :
|
| 81 |
+
case 0b01001 :
|
| 82 |
+
out.write(a&b);
|
| 83 |
+
break;
|
| 84 |
+
case 0b01010 :
|
| 85 |
+
case 0b01011 :
|
| 86 |
+
out.write(a|b);
|
| 87 |
+
break;
|
| 88 |
+
case 0b01100 :
|
| 89 |
+
case 0b01101 :
|
| 90 |
+
out.write(a^b);
|
| 91 |
+
break;
|
| 92 |
+
case 0b01110 :
|
| 93 |
+
case 0b01111 :
|
| 94 |
+
out.write(~a);
|
| 95 |
+
break;
|
| 96 |
+
case 0b10000 :
|
| 97 |
+
case 0b10001 :
|
| 98 |
+
case 0b10010 :
|
| 99 |
+
case 0b10011 :
|
| 100 |
+
case 0b10100 :
|
| 101 |
+
case 0b10101 :
|
| 102 |
+
case 0b10110 :
|
| 103 |
+
case 0b10111 :
|
| 104 |
+
out.write(a>>sh);
|
| 105 |
+
break;
|
| 106 |
+
default:
|
| 107 |
+
out.write(a<<sh);
|
| 108 |
+
break;
|
| 109 |
+
}
|
| 110 |
+
}
|
| 111 |
+
|
| 112 |
+
|
| 113 |
+
};
|
| 114 |
+
/*
|
| 115 |
+
* @ASCK
|
| 116 |
+
*/
|
| 117 |
+
|
| 118 |
+
#include <systemc.h>
|
| 119 |
+
|
| 120 |
+
SC_MODULE (Acc) {
|
| 121 |
+
|
| 122 |
+
|
| 123 |
+
sc_in <sc_int<8>> mem_data;
|
| 124 |
+
sc_in <bool> call;
|
| 125 |
+
|
| 126 |
+
sc_out <bool> read, write;
|
| 127 |
+
sc_out <sc_uint<13>> addr;
|
| 128 |
+
sc_out <sc_int<8>> data;
|
| 129 |
+
|
| 130 |
+
/*
|
| 131 |
+
** module global variables
|
| 132 |
+
*/
|
| 133 |
+
|
| 134 |
+
|
| 135 |
+
SC_CTOR (Acc){
|
| 136 |
+
SC_THREAD (process);
|
| 137 |
+
sensitive << call;
|
| 138 |
+
}
|
| 139 |
+
|
| 140 |
+
void process () {
|
| 141 |
+
while(true){
|
| 142 |
+
wait();
|
| 143 |
+
if(call.read()==1){
|
| 144 |
+
std::cout << "@@-_.|*^<!! STARTING ACCELERATOR !!>^*|._-@@" << endl;
|
| 145 |
+
operation();
|
| 146 |
+
}
|
| 147 |
+
}
|
| 148 |
+
}
|
| 149 |
+
|
| 150 |
+
void operation () {
|
| 151 |
+
// store value 10 to address 11
|
| 152 |
+
write_to_mem (11, 10);
|
| 153 |
+
|
| 154 |
+
// read from address 5 of memory : data=7 (this data has already stored by micro processor)
|
| 155 |
+
sc_int<8> a = read_from_mem(5);
|
| 156 |
+
|
| 157 |
+
// read from address 11 of memory : data=10
|
| 158 |
+
sc_int<8> b = read_from_mem(11);
|
| 159 |
+
|
| 160 |
+
// a + b
|
| 161 |
+
sc_int<8> c = a+b;
|
| 162 |
+
|
| 163 |
+
// store c to address 20 of memory
|
| 164 |
+
write_to_mem (20, c);
|
| 165 |
+
|
| 166 |
+
|
| 167 |
+
// end the acc task and begin the micro task
|
| 168 |
+
micro_notif();
|
| 169 |
+
}
|
| 170 |
+
|
| 171 |
+
/*
|
| 172 |
+
** notify micro processor that accelerator job is done and return back to the micro processor job
|
| 173 |
+
*/
|
| 174 |
+
void micro_notif (){
|
| 175 |
+
micro_acc_ev.notify();
|
| 176 |
+
now_is_call = false;
|
| 177 |
+
}
|
| 178 |
+
|
| 179 |
+
// read from memory
|
| 180 |
+
sc_int<8> read_from_mem (int ad) {
|
| 181 |
+
read.write(1);
|
| 182 |
+
write.write(0);
|
| 183 |
+
addr.write(ad);
|
| 184 |
+
|
| 185 |
+
wait(acc_mem_read_ev);
|
| 186 |
+
|
| 187 |
+
no_read_write();
|
| 188 |
+
wait(10, SC_NS);
|
| 189 |
+
|
| 190 |
+
return mem_data.read();
|
| 191 |
+
}
|
| 192 |
+
|
| 193 |
+
// write to memory
|
| 194 |
+
void write_to_mem (int ad, int dt) {
|
| 195 |
+
read.write(0);
|
| 196 |
+
write.write(1);
|
| 197 |
+
addr.write(ad);
|
| 198 |
+
data.write(dt);
|
| 199 |
+
|
| 200 |
+
wait(acc_mem_write_ev);
|
| 201 |
+
|
| 202 |
+
no_read_write();
|
| 203 |
+
wait(1, SC_NS);
|
| 204 |
+
}
|
| 205 |
+
|
| 206 |
+
// change the read and write signals not to read and not to write
|
| 207 |
+
void no_read_write () {
|
| 208 |
+
read.write(0);
|
| 209 |
+
write.write(0);
|
| 210 |
+
}
|
| 211 |
+
|
| 212 |
+
};
|
| 213 |
+
/*
|
| 214 |
+
* @ASCK
|
| 215 |
+
*/
|
| 216 |
+
|
| 217 |
+
#include <systemc.h>
|
| 218 |
+
|
| 219 |
+
SC_MODULE (Bus) {
|
| 220 |
+
|
| 221 |
+
|
| 222 |
+
sc_in_clk clk;
|
| 223 |
+
sc_in <bool> req; // X DIDN'T USED! X
|
| 224 |
+
sc_in <bool> read;
|
| 225 |
+
sc_in <bool> write;
|
| 226 |
+
sc_in <bool> call;
|
| 227 |
+
sc_in <sc_uint<13>> addr; // for both Mem. and Acc.
|
| 228 |
+
sc_in <sc_int<8>> data;
|
| 229 |
+
|
| 230 |
+
sc_out <bool> ack; // X DIDN'T USED! X
|
| 231 |
+
sc_out <bool> read_out;
|
| 232 |
+
sc_out <bool> write_out;
|
| 233 |
+
sc_out <bool> call_out;
|
| 234 |
+
sc_out <sc_uint<13>> addr_out; // for both Mem. and Acc.
|
| 235 |
+
sc_out <sc_int<8>> data_out;
|
| 236 |
+
|
| 237 |
+
/*
|
| 238 |
+
** module global variables
|
| 239 |
+
*/
|
| 240 |
+
|
| 241 |
+
SC_CTOR (Bus){
|
| 242 |
+
SC_METHOD (process);
|
| 243 |
+
sensitive << clk.pos();
|
| 244 |
+
}
|
| 245 |
+
|
| 246 |
+
void process () {
|
| 247 |
+
ack.write(req.read());
|
| 248 |
+
read_out.write(read.read());
|
| 249 |
+
write_out.write(write.read());
|
| 250 |
+
call_out.write(call.read());
|
| 251 |
+
addr_out.write(addr.read());
|
| 252 |
+
data_out.write(data.read());
|
| 253 |
+
}
|
| 254 |
+
|
| 255 |
+
|
| 256 |
+
};
|
| 257 |
+
/*
|
| 258 |
+
* @ASCK
|
| 259 |
+
*/
|
| 260 |
+
|
| 261 |
+
#include <systemc.h>
|
| 262 |
+
|
| 263 |
+
SC_MODULE (Controller) {
|
| 264 |
+
|
| 265 |
+
sc_in <sc_uint<4>> opcode, opselect;
|
| 266 |
+
|
| 267 |
+
sc_out <sc_uint<5>> aluOp;
|
| 268 |
+
sc_out <bool> regWrite, r, w, aluMux, regMux, wbMux, call;
|
| 269 |
+
|
| 270 |
+
|
| 271 |
+
/*
|
| 272 |
+
** module global variables
|
| 273 |
+
*/
|
| 274 |
+
|
| 275 |
+
sc_uint<4> opcd, opsel;
|
| 276 |
+
sc_uint<5> op;
|
| 277 |
+
|
| 278 |
+
//tmp
|
| 279 |
+
int c = 0;
|
| 280 |
+
|
| 281 |
+
SC_CTOR (Controller){
|
| 282 |
+
SC_METHOD (process);
|
| 283 |
+
sensitive << opcode << opselect;
|
| 284 |
+
}
|
| 285 |
+
|
| 286 |
+
void process () {
|
| 287 |
+
opcd = opcode.read();
|
| 288 |
+
opsel = opselect.read();
|
| 289 |
+
|
| 290 |
+
switch (opcd){
|
| 291 |
+
case 0b0000:
|
| 292 |
+
case 0b0001:
|
| 293 |
+
op = opsel;
|
| 294 |
+
op = opsel << 1;
|
| 295 |
+
op[0] = opcd[0];
|
| 296 |
+
aluOp.write(op); // concatinated to produce aluop
|
| 297 |
+
regWrite.write(1);
|
| 298 |
+
r.write(0);
|
| 299 |
+
w.write(0);
|
| 300 |
+
regMux.write(0); // r1 = rs
|
| 301 |
+
aluMux.write(0); // B = Rr2
|
| 302 |
+
wbMux.write(0); // use alu result
|
| 303 |
+
call.write(0);
|
| 304 |
+
break;
|
| 305 |
+
|
| 306 |
+
/*
|
| 307 |
+
** Transfer Imm to the Register rd
|
| 308 |
+
*/
|
| 309 |
+
case 0b0010:
|
| 310 |
+
aluOp.write(0b00111); // transfer B (rd = Imm)
|
| 311 |
+
regWrite.write(1);
|
| 312 |
+
r.write(0);
|
| 313 |
+
w.write(0);
|
| 314 |
+
regMux.write(0);
|
| 315 |
+
aluMux.write(1); // B = imm
|
| 316 |
+
wbMux.write(0);
|
| 317 |
+
call.write(0);
|
| 318 |
+
break;
|
| 319 |
+
|
| 320 |
+
/*
|
| 321 |
+
** Add Imm with register rd content and move it to the Register rd
|
| 322 |
+
*/
|
| 323 |
+
case 0b0011:
|
| 324 |
+
aluOp.write(0b00100); // Add A and B (rd += Imm)
|
| 325 |
+
regWrite.write(1);
|
| 326 |
+
r.write(0);
|
| 327 |
+
w.write(0);
|
| 328 |
+
regMux.write(1);
|
| 329 |
+
aluMux.write(1);
|
| 330 |
+
wbMux.write(0);
|
| 331 |
+
call.write(0);
|
| 332 |
+
break;
|
| 333 |
+
|
| 334 |
+
/*
|
| 335 |
+
** LOAD from Imm address of memory to rd
|
| 336 |
+
*/
|
| 337 |
+
case 0b0100:
|
| 338 |
+
aluOp.write(0);
|
| 339 |
+
regWrite.write(1);
|
| 340 |
+
r.write(1);
|
| 341 |
+
w.write(0);
|
| 342 |
+
regMux.write(0);
|
| 343 |
+
aluMux.write(0);
|
| 344 |
+
wbMux.write(1); // use memory result
|
| 345 |
+
call.write(0);
|
| 346 |
+
break;
|
| 347 |
+
|
| 348 |
+
/*
|
| 349 |
+
** STORE rd content to imm address of memory
|
| 350 |
+
*/
|
| 351 |
+
case 0b0101:
|
| 352 |
+
aluOp.write(0); // transfer A
|
| 353 |
+
regWrite.write(0); // don't write back to register
|
| 354 |
+
r.write(0);
|
| 355 |
+
w.write(1);
|
| 356 |
+
regMux.write(1); // r1 = reg (rd)
|
| 357 |
+
aluMux.write(0); // ignorable!
|
| 358 |
+
wbMux.write(0); // ignorable!
|
| 359 |
+
call.write(0);
|
| 360 |
+
break;
|
| 361 |
+
|
| 362 |
+
/*
|
| 363 |
+
** NOP
|
| 364 |
+
*/
|
| 365 |
+
case 0b1111:
|
| 366 |
+
aluOp.write(0);
|
| 367 |
+
regWrite.write(0);
|
| 368 |
+
r.write(0);
|
| 369 |
+
w.write(0);
|
| 370 |
+
regMux.write(0);
|
| 371 |
+
aluMux.write(0);
|
| 372 |
+
wbMux.write(0);
|
| 373 |
+
call.write(0);
|
| 374 |
+
break;
|
| 375 |
+
|
| 376 |
+
/*
|
| 377 |
+
** CALL Acc.
|
| 378 |
+
*/
|
| 379 |
+
default:
|
| 380 |
+
regWrite.write(0); // don't write back to register
|
| 381 |
+
r.write(0);
|
| 382 |
+
w.write(0);
|
| 383 |
+
call.write(1);
|
| 384 |
+
break;
|
| 385 |
+
}
|
| 386 |
+
}
|
| 387 |
+
|
| 388 |
+
|
| 389 |
+
};
|
| 390 |
+
/*
|
| 391 |
+
* @ASCK
|
| 392 |
+
*/
|
| 393 |
+
|
| 394 |
+
#include <systemc.h>
|
| 395 |
+
|
| 396 |
+
SC_MODULE (EXE) {
|
| 397 |
+
|
| 398 |
+
sc_in_clk clk;
|
| 399 |
+
sc_in <sc_int<8>> prev_result;
|
| 400 |
+
sc_in <sc_int<13>> prev_Imm;
|
| 401 |
+
sc_in <bool> prev_r;
|
| 402 |
+
sc_in <bool> prev_w;
|
| 403 |
+
sc_in <bool> prev_WbMux;
|
| 404 |
+
sc_in <bool> prev_call;
|
| 405 |
+
sc_in <bool> prev_regWrite;
|
| 406 |
+
sc_in <sc_uint<3>> prev_rd;
|
| 407 |
+
|
| 408 |
+
sc_out <sc_int<8>> next_result;
|
| 409 |
+
sc_out <sc_int<13>> next_Imm;
|
| 410 |
+
sc_out <bool> next_r;
|
| 411 |
+
sc_out <bool> next_w;
|
| 412 |
+
sc_out <bool> next_WbMux;
|
| 413 |
+
sc_out <bool> next_call;
|
| 414 |
+
sc_out <bool> next_regWrite;
|
| 415 |
+
sc_out <sc_uint<3>> next_rd;
|
| 416 |
+
|
| 417 |
+
|
| 418 |
+
/*
|
| 419 |
+
** module global variables
|
| 420 |
+
*/
|
| 421 |
+
|
| 422 |
+
SC_CTOR (EXE){
|
| 423 |
+
SC_THREAD (process);
|
| 424 |
+
sensitive << clk.pos();
|
| 425 |
+
}
|
| 426 |
+
|
| 427 |
+
void process () {
|
| 428 |
+
while(true){
|
| 429 |
+
wait();
|
| 430 |
+
if(now_is_call){
|
| 431 |
+
wait(micro_acc_ev);
|
| 432 |
+
}
|
| 433 |
+
next_result.write(prev_result.read());
|
| 434 |
+
next_Imm.write(prev_Imm.read());
|
| 435 |
+
next_r.write(prev_r.read());
|
| 436 |
+
next_w.write(prev_w.read());
|
| 437 |
+
next_WbMux.write(prev_WbMux.read());
|
| 438 |
+
next_call.write(prev_call.read());
|
| 439 |
+
next_regWrite.write(prev_regWrite);
|
| 440 |
+
next_rd.write(prev_rd.read());
|
| 441 |
+
}
|
| 442 |
+
}
|
| 443 |
+
|
| 444 |
+
|
| 445 |
+
};
|
| 446 |
+
/*
|
| 447 |
+
* @ASCK
|
| 448 |
+
*/
|
| 449 |
+
|
| 450 |
+
#include <systemc.h>
|
| 451 |
+
|
| 452 |
+
SC_MODULE (ID) {
|
| 453 |
+
|
| 454 |
+
sc_in_clk clk;
|
| 455 |
+
sc_in <sc_int<8>> prev_A;
|
| 456 |
+
sc_in <sc_int<8>> prev_B;
|
| 457 |
+
sc_in <sc_int<13>> prev_Imm;
|
| 458 |
+
sc_in <sc_uint<3>> prev_Sa;
|
| 459 |
+
sc_in <sc_uint<5>> prev_AluOp;
|
| 460 |
+
sc_in <bool> prev_r;
|
| 461 |
+
sc_in <bool> prev_w;
|
| 462 |
+
sc_in <bool> prev_AluMux;
|
| 463 |
+
sc_in <bool> prev_WbMux;
|
| 464 |
+
sc_in <bool> prev_call;
|
| 465 |
+
sc_in <bool> prev_regWrite;
|
| 466 |
+
sc_in <sc_uint<3>> prev_rd;
|
| 467 |
+
|
| 468 |
+
sc_out <sc_int<8>> next_A;
|
| 469 |
+
sc_out <sc_int<8>> next_B;
|
| 470 |
+
sc_out <sc_int<13>> next_Imm;
|
| 471 |
+
sc_out <sc_uint<3>> next_Sa;
|
| 472 |
+
sc_out <sc_uint<5>> next_AluOp;
|
| 473 |
+
sc_out <bool> next_r;
|
| 474 |
+
sc_out <bool> next_w;
|
| 475 |
+
sc_out <bool> next_AluMux;
|
| 476 |
+
sc_out <bool> next_WbMux;
|
| 477 |
+
sc_out <bool> next_call;
|
| 478 |
+
sc_out <bool> next_regWrite;
|
| 479 |
+
sc_out <sc_uint<3>> next_rd;
|
| 480 |
+
|
| 481 |
+
|
| 482 |
+
/*
|
| 483 |
+
** module global variables
|
| 484 |
+
*/
|
| 485 |
+
|
| 486 |
+
SC_CTOR (ID){
|
| 487 |
+
SC_THREAD (process);
|
| 488 |
+
sensitive << clk.pos();
|
| 489 |
+
}
|
| 490 |
+
|
| 491 |
+
void process () {
|
| 492 |
+
while(true){
|
| 493 |
+
wait();
|
| 494 |
+
if(now_is_call){
|
| 495 |
+
wait(micro_acc_ev);
|
| 496 |
+
}
|
| 497 |
+
next_A.write(prev_A.read());
|
| 498 |
+
next_B.write(prev_B.read());
|
| 499 |
+
next_Imm.write(prev_Imm.read());
|
| 500 |
+
next_Sa.write(prev_Sa.read());
|
| 501 |
+
next_AluOp.write(prev_AluOp.read());
|
| 502 |
+
next_AluMux.write(prev_AluMux.read());
|
| 503 |
+
next_r.write(prev_r.read());
|
| 504 |
+
next_w.write(prev_w.read());
|
| 505 |
+
next_WbMux.write(prev_WbMux.read());
|
| 506 |
+
next_call.write(prev_call.read());
|
| 507 |
+
next_regWrite.write(prev_regWrite);
|
| 508 |
+
next_rd.write(prev_rd.read());
|
| 509 |
+
}
|
| 510 |
+
}
|
| 511 |
+
|
| 512 |
+
|
| 513 |
+
};
|
| 514 |
+
/*
|
| 515 |
+
* @ASCK
|
| 516 |
+
*/
|
| 517 |
+
|
| 518 |
+
#include <systemc.h>
|
| 519 |
+
|
| 520 |
+
SC_MODULE (IF) {
|
| 521 |
+
|
| 522 |
+
sc_in_clk clk;
|
| 523 |
+
sc_in <sc_uint<20>> prev_data;
|
| 524 |
+
|
| 525 |
+
sc_out <sc_uint<20>> next_data;
|
| 526 |
+
|
| 527 |
+
|
| 528 |
+
/*
|
| 529 |
+
** module global variables
|
| 530 |
+
*/
|
| 531 |
+
|
| 532 |
+
SC_CTOR (IF){
|
| 533 |
+
SC_THREAD (process);
|
| 534 |
+
sensitive << clk.pos();
|
| 535 |
+
}
|
| 536 |
+
|
| 537 |
+
void process () {
|
| 538 |
+
while(true){
|
| 539 |
+
wait();
|
| 540 |
+
if(now_is_call){
|
| 541 |
+
cout<<"\t\t\t\t*******************" << endl;
|
| 542 |
+
wait(micro_acc_ev);
|
| 543 |
+
}
|
| 544 |
+
next_data.write(prev_data.read());
|
| 545 |
+
}
|
| 546 |
+
}
|
| 547 |
+
|
| 548 |
+
|
| 549 |
+
};
|
| 550 |
+
/*
|
| 551 |
+
* @ASCK
|
| 552 |
+
*/
|
| 553 |
+
|
| 554 |
+
#include <systemc.h>
|
| 555 |
+
|
| 556 |
+
SC_MODULE (IR) {
|
| 557 |
+
|
| 558 |
+
sc_in <sc_uint<14>> addr;
|
| 559 |
+
sc_out <sc_uint<20>> inst;
|
| 560 |
+
|
| 561 |
+
|
| 562 |
+
/*
|
| 563 |
+
** module global variables
|
| 564 |
+
*/
|
| 565 |
+
|
| 566 |
+
sc_uint<20> mem[819]; // 819 rows and 819*20=16380 bits = (16KB - 4bits) ~= 16KB
|
| 567 |
+
|
| 568 |
+
int instNum = 50;
|
| 569 |
+
sc_uint<20> instruction[50] = {
|
| 570 |
+
// 0b01234567890123456789
|
| 571 |
+
0b00000000000000000000,
|
| 572 |
+
0b00100000000000000111, // transfer (r0 <- 7): 7
|
| 573 |
+
0b00010010010000000000, // inc (r1++): 1
|
| 574 |
+
|
| 575 |
+
//stall for achieving the correct register data - sub
|
| 576 |
+
0b11110000000000000000, //stall
|
| 577 |
+
0b11110000000000000000, //stall
|
| 578 |
+
0b11110000000000000000, //stall
|
| 579 |
+
|
| 580 |
+
0b00000110000010000010, // sub (r3 <-r0 - r1): 6
|
| 581 |
+
|
| 582 |
+
0b11110000000000000000, //stall
|
| 583 |
+
0b11110000000000000000, //stall
|
| 584 |
+
0b11110000000000000000, //stall
|
| 585 |
+
|
| 586 |
+
0b00011000110010000001, // addc (r4 <- r3 + r1 + 1): 8
|
| 587 |
+
|
| 588 |
+
0b11110000000000000000, //stall
|
| 589 |
+
0b11110000000000000000, //stall
|
| 590 |
+
0b11110000000000000000, //stall
|
| 591 |
+
|
| 592 |
+
0b00001001000000101001, // shiftR (r4 >> 2): 2
|
| 593 |
+
|
| 594 |
+
0b01010000000000000101, // stroe (mem[5] <= r0) : 7
|
| 595 |
+
0b01001010000000000101, // load (r5 <= mem[5]) : 7
|
| 596 |
+
|
| 597 |
+
0b01100000000000000000, // do accelerator
|
| 598 |
+
|
| 599 |
+
0b01000100000000010100, // load (r2 <= mem[20]) : 17 => 0x11
|
| 600 |
+
|
| 601 |
+
0b11110000000000000000, //nop
|
| 602 |
+
0b11110000000000000000, //nop
|
| 603 |
+
0b11110000000000000000, //nop
|
| 604 |
+
0b11110000000000000000, //nop
|
| 605 |
+
0b11110000000000000000, //nop
|
| 606 |
+
0b11110000000000000000 //nop
|
| 607 |
+
};
|
| 608 |
+
|
| 609 |
+
SC_CTOR (IR){
|
| 610 |
+
SC_METHOD (process);
|
| 611 |
+
sensitive << addr;
|
| 612 |
+
|
| 613 |
+
for(int i=0; i<instNum; i++){
|
| 614 |
+
mem[i] = instruction[i];
|
| 615 |
+
}
|
| 616 |
+
|
| 617 |
+
// filling out other rows with a nop opcode
|
| 618 |
+
for(int i=instNum; i<819; i++){
|
| 619 |
+
mem[i] = 0b11110000000000000000;
|
| 620 |
+
}
|
| 621 |
+
}
|
| 622 |
+
|
| 623 |
+
void process () {
|
| 624 |
+
if(addr.read() < 819){
|
| 625 |
+
inst.write(mem[addr.read()]);
|
| 626 |
+
}
|
| 627 |
+
else{
|
| 628 |
+
inst.write(0);
|
| 629 |
+
}
|
| 630 |
+
}
|
| 631 |
+
|
| 632 |
+
|
| 633 |
+
};
|
| 634 |
+
/*
|
| 635 |
+
* @ASCK
|
| 636 |
+
*/
|
| 637 |
+
|
| 638 |
+
#include <systemc.h>
|
| 639 |
+
|
| 640 |
+
SC_MODULE (Memory) {
|
| 641 |
+
|
| 642 |
+
sc_in <bool> r_nw;
|
| 643 |
+
sc_in <sc_uint<13>> addr;
|
| 644 |
+
sc_in <sc_int<8>> data;
|
| 645 |
+
|
| 646 |
+
sc_out <sc_int<8>> out;
|
| 647 |
+
|
| 648 |
+
/*
|
| 649 |
+
** module global variables
|
| 650 |
+
*/
|
| 651 |
+
|
| 652 |
+
sc_int<8> mem[8192] = {0}; // 2^13 rows
|
| 653 |
+
bool done = false;
|
| 654 |
+
|
| 655 |
+
SC_CTOR (Memory){
|
| 656 |
+
SC_METHOD (process);
|
| 657 |
+
sensitive << r_nw << addr << data;
|
| 658 |
+
|
| 659 |
+
}
|
| 660 |
+
|
| 661 |
+
void process () {
|
| 662 |
+
if(done){
|
| 663 |
+
return;
|
| 664 |
+
}
|
| 665 |
+
if(addr.read() < 8192){
|
| 666 |
+
if(r_nw.read()){
|
| 667 |
+
out.write(mem[addr.read()]);
|
| 668 |
+
}
|
| 669 |
+
else{
|
| 670 |
+
mem[addr.read()] = data.read();
|
| 671 |
+
out.write(mem[addr.read()]);
|
| 672 |
+
}
|
| 673 |
+
}
|
| 674 |
+
else{
|
| 675 |
+
out.write(0);
|
| 676 |
+
}
|
| 677 |
+
}
|
| 678 |
+
|
| 679 |
+
|
| 680 |
+
};
|
| 681 |
+
/*
|
| 682 |
+
* @ASCK
|
| 683 |
+
*/
|
| 684 |
+
|
| 685 |
+
#include <systemc.h>
|
| 686 |
+
#include <./PC.cpp>
|
| 687 |
+
#include <./IR.cpp>
|
| 688 |
+
#include <./IF.cpp>
|
| 689 |
+
#include <./Mux3.cpp>
|
| 690 |
+
#include <./Mux8.cpp>
|
| 691 |
+
#include <./RegFile.cpp>
|
| 692 |
+
#include <./Controller.cpp>
|
| 693 |
+
#include <./ID.cpp>
|
| 694 |
+
#include <./ALU.cpp>
|
| 695 |
+
#include <./EXE.cpp>
|
| 696 |
+
#include <./WB.cpp>
|
| 697 |
+
|
| 698 |
+
#include <bitset>
|
| 699 |
+
|
| 700 |
+
|
| 701 |
+
SC_MODULE (Micro) {
|
| 702 |
+
|
| 703 |
+
sc_in_clk clk;
|
| 704 |
+
|
| 705 |
+
sc_in <sc_int<8>> mem_data;
|
| 706 |
+
|
| 707 |
+
sc_out <bool> read, write, call;
|
| 708 |
+
sc_out <sc_uint<13>> addr;
|
| 709 |
+
sc_out <sc_int<8>> data;
|
| 710 |
+
|
| 711 |
+
// testing wires
|
| 712 |
+
sc_out <sc_uint<5>> test_aluOp;
|
| 713 |
+
sc_out <sc_uint<14>> test_pc;
|
| 714 |
+
sc_out <sc_uint<20>> test_inst;
|
| 715 |
+
sc_out <sc_int<8>> reg_dump[8];
|
| 716 |
+
// sc_out <bool> test_regWrite, test_r_nw, test_aluMux, test_regMux, test_wbMux, test_call;
|
| 717 |
+
|
| 718 |
+
|
| 719 |
+
/*
|
| 720 |
+
** module global variables
|
| 721 |
+
*/
|
| 722 |
+
|
| 723 |
+
/*
|
| 724 |
+
** SIGNALS
|
| 725 |
+
*/
|
| 726 |
+
// -----
|
| 727 |
+
sc_uint<14> tmp_pc_prev_addr;
|
| 728 |
+
sc_signal<sc_uint<14>> pc_prev_addr;
|
| 729 |
+
sc_signal<sc_uint<14>> pc_next_addr;
|
| 730 |
+
|
| 731 |
+
sc_signal <sc_uint<20>> ir_inst;
|
| 732 |
+
|
| 733 |
+
sc_signal <sc_uint<20>> if_next_data;
|
| 734 |
+
sc_signal <sc_uint<4>> opcode;
|
| 735 |
+
sc_signal <sc_uint<3>> rd;
|
| 736 |
+
sc_signal <sc_uint<3>> rs;
|
| 737 |
+
sc_signal <sc_uint<3>> rt;
|
| 738 |
+
sc_signal <sc_uint<3>> sa;
|
| 739 |
+
sc_signal <sc_uint<4>> opselect;
|
| 740 |
+
sc_uint<20> tmp;
|
| 741 |
+
sc_signal <sc_int<13>> offset;
|
| 742 |
+
|
| 743 |
+
// controller output signal
|
| 744 |
+
sc_signal <sc_uint<5>> aluOp;
|
| 745 |
+
sc_signal <bool> regWrite, r, w, aluMux, regMux, wbMux, acc_call;
|
| 746 |
+
|
| 747 |
+
sc_signal <sc_uint<3>> mux_reg_res;
|
| 748 |
+
|
| 749 |
+
/*
|
| 750 |
+
** Register File signals
|
| 751 |
+
*/
|
| 752 |
+
sc_signal <sc_int<8>> Rr1;
|
| 753 |
+
sc_signal <sc_int<8>> Rr2;
|
| 754 |
+
sc_signal <sc_int<8>> regs[8];
|
| 755 |
+
|
| 756 |
+
sc_signal <sc_int<8>> id_next_A;
|
| 757 |
+
sc_signal <sc_int<8>> id_next_B;
|
| 758 |
+
sc_signal <sc_int<13>> id_next_Imm;
|
| 759 |
+
sc_signal <sc_uint<3>> id_next_Sa;
|
| 760 |
+
sc_signal <sc_uint<5>> id_next_AluOp;
|
| 761 |
+
sc_signal <bool> id_next_r;
|
| 762 |
+
sc_signal <bool> id_next_w;
|
| 763 |
+
sc_signal <bool> id_next_AluMux;
|
| 764 |
+
sc_signal <bool> id_next_WbMux;
|
| 765 |
+
sc_signal <bool> id_next_call;
|
| 766 |
+
sc_signal <bool> id_next_regWrite;
|
| 767 |
+
sc_signal <sc_uint<3>> id_next_rd;
|
| 768 |
+
|
| 769 |
+
sc_signal <sc_int<8>> alu_in_B;
|
| 770 |
+
sc_signal <sc_int<8>> id_nex_imm_8bits;
|
| 771 |
+
|
| 772 |
+
sc_signal <sc_int<8>> alu_out;
|
| 773 |
+
sc_signal<bool> carry;
|
| 774 |
+
|
| 775 |
+
sc_signal <sc_int<8>> exe_next_result;
|
| 776 |
+
sc_signal <sc_int<13>> exe_next_Imm;
|
| 777 |
+
sc_signal <bool> exe_next_r;
|
| 778 |
+
sc_signal <bool> exe_next_w;
|
| 779 |
+
sc_signal <bool> exe_next_WbMux;
|
| 780 |
+
sc_signal <bool> exe_next_call;
|
| 781 |
+
sc_signal <bool> exe_next_regWrite;
|
| 782 |
+
sc_signal <sc_uint<3>> exe_next_rd;
|
| 783 |
+
|
| 784 |
+
sc_signal <sc_int<8>> wb_next_result;
|
| 785 |
+
sc_signal <sc_int<8>> wb_prev_mem_data;
|
| 786 |
+
sc_signal <sc_int<8>> wb_next_mem_data;
|
| 787 |
+
sc_signal <bool> wb_next_WbMux;
|
| 788 |
+
sc_signal <bool> wb_next_regWrite;
|
| 789 |
+
sc_signal <sc_uint<3>> wb_next_rd;
|
| 790 |
+
|
| 791 |
+
sc_signal<sc_uint<13>> mem_addr;
|
| 792 |
+
|
| 793 |
+
sc_signal <sc_int<8>> regFileData;
|
| 794 |
+
|
| 795 |
+
sc_int<13> tmp_id_next_Imm;
|
| 796 |
+
|
| 797 |
+
sc_signal <sc_int<8>> sig_mem_data;
|
| 798 |
+
|
| 799 |
+
// -----
|
| 800 |
+
|
| 801 |
+
PC *pc;
|
| 802 |
+
IR *ir;
|
| 803 |
+
IF *iff;
|
| 804 |
+
Controller *ctl;
|
| 805 |
+
Mux3 *mux_reg;
|
| 806 |
+
ID *id;
|
| 807 |
+
Mux8 *alu_in_mux;
|
| 808 |
+
ALU *alu;
|
| 809 |
+
EXE *exe;
|
| 810 |
+
WB *wb;
|
| 811 |
+
Mux8 *wb_out_mux;
|
| 812 |
+
RegFile *reg_file;
|
| 813 |
+
|
| 814 |
+
SC_CTOR (Micro){
|
| 815 |
+
|
| 816 |
+
SC_THREAD (process);
|
| 817 |
+
sensitive << clk.pos();
|
| 818 |
+
|
| 819 |
+
|
| 820 |
+
|
| 821 |
+
pc = new PC("PC");
|
| 822 |
+
ir = new IR("IR");
|
| 823 |
+
iff = new IF ("IF");
|
| 824 |
+
ctl = new Controller ("Controller");
|
| 825 |
+
mux_reg = new Mux3 ("RegMux3bits");
|
| 826 |
+
id = new ID ("ID");
|
| 827 |
+
alu_in_mux = new Mux8 ("AluInputMux");
|
| 828 |
+
alu = new ALU ("ALU");
|
| 829 |
+
exe = new EXE ("EXE");
|
| 830 |
+
wb = new WB ("WB");
|
| 831 |
+
wb_out_mux = new Mux8 ("WBOutputMux");
|
| 832 |
+
reg_file = new RegFile ("RegisterFile");
|
| 833 |
+
|
| 834 |
+
|
| 835 |
+
|
| 836 |
+
|
| 837 |
+
pc->clk(clk);
|
| 838 |
+
pc->prev_addr(pc_prev_addr);
|
| 839 |
+
pc->next_addr(pc_next_addr);
|
| 840 |
+
|
| 841 |
+
ir->addr(pc_next_addr);
|
| 842 |
+
ir->inst(ir_inst);
|
| 843 |
+
|
| 844 |
+
iff->clk(clk);
|
| 845 |
+
iff->prev_data(ir_inst);
|
| 846 |
+
iff->next_data(if_next_data);
|
| 847 |
+
|
| 848 |
+
//ctl (opcode, opselect, aluOp, regWrite, r_nw, aluMux, regMux, wbMux, acc_call);
|
| 849 |
+
ctl->opcode(opcode);
|
| 850 |
+
ctl->opselect(opselect);
|
| 851 |
+
ctl->aluOp(aluOp);
|
| 852 |
+
ctl->regWrite(regWrite);
|
| 853 |
+
ctl->r(r);
|
| 854 |
+
ctl->w(w);
|
| 855 |
+
ctl->aluMux(aluMux);
|
| 856 |
+
ctl->regMux(regMux);
|
| 857 |
+
ctl->wbMux(wbMux);
|
| 858 |
+
ctl->call(acc_call);
|
| 859 |
+
|
| 860 |
+
//mux_reg (regMux, rs, rd, mux_reg_res);
|
| 861 |
+
mux_reg->sel(regMux);
|
| 862 |
+
mux_reg->in0(rs);
|
| 863 |
+
mux_reg->in1(rd);
|
| 864 |
+
mux_reg->out(mux_reg_res);
|
| 865 |
+
|
| 866 |
+
//id (clk, Rr1, id_next_A, Rr2, id_next_B, offset, id_next_Imm, sa, id_next_Sa, aluOp, id_next_AluOp, r_nw, id_next_MemOp, aluMux, id_next_AluMux, wbMux, id_next_WbMux, acc_call, id_next_call, rd, id_next_rd);
|
| 867 |
+
id->clk(clk);
|
| 868 |
+
id->prev_A(Rr1);
|
| 869 |
+
id->next_A(id_next_A);
|
| 870 |
+
id->prev_B(Rr2);
|
| 871 |
+
id->next_B(id_next_B);
|
| 872 |
+
id->prev_Imm(offset);
|
| 873 |
+
id->next_Imm(id_next_Imm);
|
| 874 |
+
id->prev_Sa(sa);
|
| 875 |
+
id->next_Sa(id_next_Sa);
|
| 876 |
+
id->prev_AluOp(aluOp);
|
| 877 |
+
id->next_AluOp(id_next_AluOp);
|
| 878 |
+
id->prev_r(r);
|
| 879 |
+
id->next_r(id_next_r);
|
| 880 |
+
id->prev_w(w);
|
| 881 |
+
id->next_w(id_next_w);
|
| 882 |
+
id->prev_AluMux(aluMux);
|
| 883 |
+
id->next_AluMux(id_next_AluMux);
|
| 884 |
+
id->prev_WbMux(wbMux);
|
| 885 |
+
id->next_WbMux(id_next_WbMux);
|
| 886 |
+
id->prev_call(acc_call);
|
| 887 |
+
id->next_call(id_next_call);
|
| 888 |
+
id->prev_regWrite(regWrite);
|
| 889 |
+
id->next_regWrite(id_next_regWrite);
|
| 890 |
+
id->prev_rd(rd);
|
| 891 |
+
id->next_rd(id_next_rd);
|
| 892 |
+
|
| 893 |
+
/*
|
| 894 |
+
** Mux 8 for immediate or B
|
| 895 |
+
*/
|
| 896 |
+
//alu_in_mux (id_next_AluMux, id_next_B, id_nex_imm_8bits, alu_in_B);
|
| 897 |
+
alu_in_mux->sel(id_next_AluMux);
|
| 898 |
+
alu_in_mux->in0(id_next_B);
|
| 899 |
+
alu_in_mux->in1(id_nex_imm_8bits);
|
| 900 |
+
alu_in_mux->out(alu_in_B);
|
| 901 |
+
|
| 902 |
+
/*
|
| 903 |
+
** ALU
|
| 904 |
+
*/
|
| 905 |
+
carry = 1;
|
| 906 |
+
//alu (id_next_A, alu_in_B, carry, id_next_AluOp, id_next_Sa, alu_out);
|
| 907 |
+
alu->in1(id_next_A);
|
| 908 |
+
alu->in2(alu_in_B);
|
| 909 |
+
alu->c(carry);
|
| 910 |
+
alu->aluop(id_next_AluOp);
|
| 911 |
+
alu->sa(id_next_Sa);
|
| 912 |
+
alu->out(alu_out);
|
| 913 |
+
|
| 914 |
+
/*
|
| 915 |
+
** EXE
|
| 916 |
+
*/
|
| 917 |
+
//exe (clk, alu_out, exe_next_result, id_next_Imm, exe_next_Imm, id_next_MemOp, exe_next_MemOp, id_next_WbMux, exe_next_WbMux, id_next_call, exe_next_call, id_next_rd, exe_next_rd);
|
| 918 |
+
exe->clk(clk);
|
| 919 |
+
exe->prev_result(alu_out);
|
| 920 |
+
exe->next_result(exe_next_result);
|
| 921 |
+
exe->prev_Imm(id_next_Imm);
|
| 922 |
+
exe->next_Imm(exe_next_Imm);
|
| 923 |
+
exe->prev_r(id_next_r);
|
| 924 |
+
exe->next_r(exe_next_r);
|
| 925 |
+
exe->prev_w(id_next_w);
|
| 926 |
+
exe->next_w(exe_next_w);
|
| 927 |
+
exe->prev_WbMux(id_next_WbMux);
|
| 928 |
+
exe->next_WbMux(exe_next_WbMux);
|
| 929 |
+
exe->prev_call(id_next_call);
|
| 930 |
+
exe->next_call(exe_next_call);
|
| 931 |
+
exe->prev_regWrite(id_next_regWrite);
|
| 932 |
+
exe->next_regWrite(exe_next_regWrite);
|
| 933 |
+
exe->prev_rd(id_next_rd);
|
| 934 |
+
exe->next_rd(exe_next_rd);
|
| 935 |
+
|
| 936 |
+
|
| 937 |
+
/*
|
| 938 |
+
** WB
|
| 939 |
+
*/
|
| 940 |
+
//wb (clk, exe_next_result, wb_next_result, wb_prev_mem_data, wb_next_mem_data, exe_next_WbMux, wb_next_WbMux, exe_next_rd, wb_next_rd);
|
| 941 |
+
wb->clk(clk);
|
| 942 |
+
wb->prev_alu_result(exe_next_result);
|
| 943 |
+
wb->next_alu_result(wb_next_result);
|
| 944 |
+
wb->prev_mem_result(mem_data);
|
| 945 |
+
wb->next_mem_result(wb_next_mem_data);
|
| 946 |
+
wb->prev_WbMux(exe_next_WbMux);
|
| 947 |
+
wb->next_WbMux(wb_next_WbMux);
|
| 948 |
+
wb->prev_regWrite(exe_next_regWrite);
|
| 949 |
+
wb->next_regWrite(wb_next_regWrite);
|
| 950 |
+
wb->prev_rd(exe_next_rd);
|
| 951 |
+
wb->next_rd(wb_next_rd);
|
| 952 |
+
|
| 953 |
+
/*
|
| 954 |
+
** Mux 8 bits for WB
|
| 955 |
+
*/
|
| 956 |
+
//wb_out_mux (wb_next_WbMux, wb_next_result, wb_next_mem_data, regFileData);
|
| 957 |
+
wb_out_mux->sel(wb_next_WbMux);
|
| 958 |
+
wb_out_mux->in0(wb_next_result);
|
| 959 |
+
wb_out_mux->in1(wb_next_mem_data);
|
| 960 |
+
wb_out_mux->out(regFileData);
|
| 961 |
+
|
| 962 |
+
|
| 963 |
+
/*
|
| 964 |
+
** Register File Module
|
| 965 |
+
*/
|
| 966 |
+
//reg_file (clk, regWrite, mux_reg_res, rt, wb_next_rd, regFileData, Rr1, Rr2);
|
| 967 |
+
reg_file->clk(clk);
|
| 968 |
+
reg_file->regWrite(wb_next_regWrite);
|
| 969 |
+
reg_file->r1(mux_reg_res);
|
| 970 |
+
reg_file->r2(rt);
|
| 971 |
+
reg_file->r3(wb_next_rd);
|
| 972 |
+
reg_file->data(regFileData);
|
| 973 |
+
reg_file->Rr1(Rr1);
|
| 974 |
+
reg_file->Rr2(Rr2);
|
| 975 |
+
|
| 976 |
+
for (int i=0; i<8; i++){
|
| 977 |
+
reg_file->r[i](regs[i]);
|
| 978 |
+
}
|
| 979 |
+
|
| 980 |
+
}
|
| 981 |
+
|
| 982 |
+
/*
|
| 983 |
+
** CLOCK THREAD FOR DOING PROCESSES
|
| 984 |
+
*/
|
| 985 |
+
void process(){
|
| 986 |
+
while(true){
|
| 987 |
+
if(id_next_call){
|
| 988 |
+
now_is_call = true;
|
| 989 |
+
}
|
| 990 |
+
wait();
|
| 991 |
+
|
| 992 |
+
///////////////
|
| 993 |
+
pcInc();
|
| 994 |
+
decode();
|
| 995 |
+
ImmTo8bits();
|
| 996 |
+
busAccess();
|
| 997 |
+
tester();
|
| 998 |
+
/////////////
|
| 999 |
+
|
| 1000 |
+
/*
|
| 1001 |
+
** HANDLE ACCELERATOR CALLS
|
| 1002 |
+
*/
|
| 1003 |
+
if(exe_next_call.read()){
|
| 1004 |
+
call.write(1);
|
| 1005 |
+
pc_prev_addr = (pc_prev_addr.read());
|
| 1006 |
+
wait(micro_acc_ev);
|
| 1007 |
+
pc_prev_addr = (pc_prev_addr.read()) + 1;
|
| 1008 |
+
}
|
| 1009 |
+
}
|
| 1010 |
+
}
|
| 1011 |
+
|
| 1012 |
+
void pcInc (){
|
| 1013 |
+
// increment the pc
|
| 1014 |
+
tmp_pc_prev_addr = pc_prev_addr.read();
|
| 1015 |
+
pc_prev_addr = ++tmp_pc_prev_addr;
|
| 1016 |
+
}
|
| 1017 |
+
|
| 1018 |
+
void decode (){
|
| 1019 |
+
/*
|
| 1020 |
+
** split next instruction to the corresponding signals (Instruction Decode)
|
| 1021 |
+
*/
|
| 1022 |
+
tmp = ir_inst.read();
|
| 1023 |
+
opcode = tmp.range(19, 16);
|
| 1024 |
+
opselect = tmp.range(3, 0);
|
| 1025 |
+
rd = tmp.range(15, 13);
|
| 1026 |
+
rs = tmp.range(12, 10);
|
| 1027 |
+
rt = tmp.range(9, 7);
|
| 1028 |
+
sa = tmp.range(6, 4);
|
| 1029 |
+
offset = (sc_int<13>) tmp.range(12, 0);
|
| 1030 |
+
}
|
| 1031 |
+
|
| 1032 |
+
void ImmTo8bits (){
|
| 1033 |
+
/*
|
| 1034 |
+
** Mux 8 for immediate or B
|
| 1035 |
+
*/
|
| 1036 |
+
tmp_id_next_Imm = offset.read();
|
| 1037 |
+
id_nex_imm_8bits = (tmp_id_next_Imm.range(7, 0));
|
| 1038 |
+
}
|
| 1039 |
+
|
| 1040 |
+
void busAccess (){
|
| 1041 |
+
/*
|
| 1042 |
+
** ACCESS MEM. VIA BUS
|
| 1043 |
+
*/
|
| 1044 |
+
wb_prev_mem_data = mem_data.read();
|
| 1045 |
+
mem_addr = (sc_uint<13>) id_next_Imm.read();
|
| 1046 |
+
read.write(exe_next_r.read());
|
| 1047 |
+
write.write(exe_next_w.read());
|
| 1048 |
+
addr.write(mem_addr.read());
|
| 1049 |
+
data.write(exe_next_result.read());
|
| 1050 |
+
call.write(0); // setting of the value is also performs in process function
|
| 1051 |
+
}
|
| 1052 |
+
|
| 1053 |
+
void tester () {
|
| 1054 |
+
|
| 1055 |
+
// testing wires
|
| 1056 |
+
for(int i=0; i<8; i++){
|
| 1057 |
+
reg_dump[i].write(regs[i].read());
|
| 1058 |
+
}
|
| 1059 |
+
test_aluOp.write(aluOp.read());
|
| 1060 |
+
test_pc.write(pc_next_addr.read());
|
| 1061 |
+
test_inst.write((sc_uint<20>)if_next_data.read());
|
| 1062 |
+
|
| 1063 |
+
print();
|
| 1064 |
+
}
|
| 1065 |
+
|
| 1066 |
+
void print(){
|
| 1067 |
+
cout << "pc addr ((FETCH)) :\t" << pc_next_addr << endl << endl;
|
| 1068 |
+
|
| 1069 |
+
cout << "IF inst ((DECODE)):\t" << std::hex << if_next_data << endl;
|
| 1070 |
+
cout << "controller| opcode:\t" << opcode << endl;
|
| 1071 |
+
cout << "regFile| regMux :\t" << regMux << endl;
|
| 1072 |
+
cout << "regFile| r1 :\t" << mux_reg_res << endl;
|
| 1073 |
+
cout << "regFile| r2 :\t" << rt << endl;
|
| 1074 |
+
cout << "regFile| r3 :\t" << wb_next_rd << endl;
|
| 1075 |
+
cout << "regFile| imm :\t" << offset << endl;
|
| 1076 |
+
cout << "regFile| data :\t" << wb_next_rd << endl;
|
| 1077 |
+
cout << "regFile| regWrite :\t" << wb_next_regWrite << endl << endl;
|
| 1078 |
+
|
| 1079 |
+
cout << "A ((EXE)) :\t" << id_next_A << endl;
|
| 1080 |
+
cout << "B :\t" << alu_in_B << endl;
|
| 1081 |
+
cout << "aluOp :\t" << id_next_AluOp << endl;
|
| 1082 |
+
cout << "aluMux :\t" << id_next_AluMux << endl;
|
| 1083 |
+
cout << "imm :\t" << id_next_Imm << endl;
|
| 1084 |
+
cout << "aluOut :\t" << alu_out << endl << endl;
|
| 1085 |
+
|
| 1086 |
+
cout << "imm :\t" << exe_next_Imm << endl;
|
| 1087 |
+
cout << "data_in ((MEM)) :\t" << exe_next_result << endl;
|
| 1088 |
+
cout << "addr :\t" << exe_next_Imm << endl;
|
| 1089 |
+
cout << "read :\t" << exe_next_r << endl;
|
| 1090 |
+
cout << "write :\t" << exe_next_w << endl;
|
| 1091 |
+
cout << "data_out :\t" << mem_data << endl << endl;
|
| 1092 |
+
|
| 1093 |
+
cout << "data ((WB)) :\t" << regFileData << endl;
|
| 1094 |
+
cout << "rd :\t" << exe_next_rd << endl;
|
| 1095 |
+
cout << "wbMux :\t" << wb_next_WbMux << endl << endl;
|
| 1096 |
+
}
|
| 1097 |
+
|
| 1098 |
+
|
| 1099 |
+
};
|
| 1100 |
+
/*
|
| 1101 |
+
* @ASCK
|
| 1102 |
+
*/
|
| 1103 |
+
|
| 1104 |
+
#include <systemc.h>
|
| 1105 |
+
|
| 1106 |
+
SC_MODULE (Mux3) {
|
| 1107 |
+
sc_in <bool> sel;
|
| 1108 |
+
sc_in <sc_uint<3>> in0;
|
| 1109 |
+
sc_in <sc_uint<3>> in1;
|
| 1110 |
+
|
| 1111 |
+
sc_out <sc_uint<3>> out;
|
| 1112 |
+
|
| 1113 |
+
|
| 1114 |
+
/*
|
| 1115 |
+
** module global variables
|
| 1116 |
+
*/
|
| 1117 |
+
|
| 1118 |
+
SC_CTOR (Mux3){
|
| 1119 |
+
SC_METHOD (process);
|
| 1120 |
+
sensitive << in0 << in1 << sel;
|
| 1121 |
+
}
|
| 1122 |
+
|
| 1123 |
+
void process () {
|
| 1124 |
+
if(!sel.read()){
|
| 1125 |
+
out.write(in0.read());
|
| 1126 |
+
}
|
| 1127 |
+
else{
|
| 1128 |
+
out.write(in1.read());
|
| 1129 |
+
}
|
| 1130 |
+
}
|
| 1131 |
+
|
| 1132 |
+
|
| 1133 |
+
};
|
| 1134 |
+
/*
|
| 1135 |
+
* @ASCK
|
| 1136 |
+
*/
|
| 1137 |
+
|
| 1138 |
+
#include <systemc.h>
|
| 1139 |
+
|
| 1140 |
+
SC_MODULE (Mux8) {
|
| 1141 |
+
sc_in <bool> sel;
|
| 1142 |
+
sc_in <sc_int<8>> in0;
|
| 1143 |
+
sc_in <sc_int<8>> in1;
|
| 1144 |
+
|
| 1145 |
+
sc_out <sc_int<8>> out;
|
| 1146 |
+
|
| 1147 |
+
|
| 1148 |
+
/*
|
| 1149 |
+
** module global variables
|
| 1150 |
+
*/
|
| 1151 |
+
|
| 1152 |
+
SC_CTOR (Mux8){
|
| 1153 |
+
SC_METHOD (process);
|
| 1154 |
+
sensitive << in0 << in1 << sel;
|
| 1155 |
+
}
|
| 1156 |
+
|
| 1157 |
+
void process () {
|
| 1158 |
+
if(!sel.read()){
|
| 1159 |
+
out.write(in0.read());
|
| 1160 |
+
}
|
| 1161 |
+
else{
|
| 1162 |
+
out.write(in1.read());
|
| 1163 |
+
}
|
| 1164 |
+
}
|
| 1165 |
+
|
| 1166 |
+
|
| 1167 |
+
};
|
| 1168 |
+
/*
|
| 1169 |
+
* @ASCK
|
| 1170 |
+
*/
|
| 1171 |
+
|
| 1172 |
+
#include <systemc.h>
|
| 1173 |
+
|
| 1174 |
+
SC_MODULE (PC) {
|
| 1175 |
+
|
| 1176 |
+
sc_in <bool> clk;
|
| 1177 |
+
sc_in <sc_uint<14>> prev_addr;
|
| 1178 |
+
|
| 1179 |
+
sc_out <sc_uint<14>> next_addr;
|
| 1180 |
+
|
| 1181 |
+
|
| 1182 |
+
/*
|
| 1183 |
+
** module global variables
|
| 1184 |
+
*/
|
| 1185 |
+
|
| 1186 |
+
SC_CTOR (PC){
|
| 1187 |
+
SC_METHOD (process);
|
| 1188 |
+
sensitive << clk.pos();
|
| 1189 |
+
}
|
| 1190 |
+
|
| 1191 |
+
void process () {
|
| 1192 |
+
next_addr.write(prev_addr.read());
|
| 1193 |
+
}
|
| 1194 |
+
|
| 1195 |
+
|
| 1196 |
+
};
|
| 1197 |
+
/*
|
| 1198 |
+
* @ASCK
|
| 1199 |
+
*/
|
| 1200 |
+
|
| 1201 |
+
#include <systemc.h>
|
| 1202 |
+
|
| 1203 |
+
SC_MODULE (RegFile) {
|
| 1204 |
+
|
| 1205 |
+
sc_in_clk clk;
|
| 1206 |
+
sc_in <bool> regWrite;
|
| 1207 |
+
sc_in <sc_uint<3>> r1;
|
| 1208 |
+
sc_in <sc_uint<3>> r2;
|
| 1209 |
+
sc_in <sc_uint<3>> r3;
|
| 1210 |
+
sc_in <sc_int<8>> data;
|
| 1211 |
+
|
| 1212 |
+
sc_out <sc_int<8>> Rr1;
|
| 1213 |
+
sc_out <sc_int<8>> Rr2;
|
| 1214 |
+
|
| 1215 |
+
//testing wires
|
| 1216 |
+
sc_out <sc_int<8>> r[8];
|
| 1217 |
+
|
| 1218 |
+
|
| 1219 |
+
/*
|
| 1220 |
+
** module global variables
|
| 1221 |
+
*/
|
| 1222 |
+
|
| 1223 |
+
sc_int<8> reg[8]; // 8 registers in register file
|
| 1224 |
+
|
| 1225 |
+
int c = 0;
|
| 1226 |
+
SC_CTOR (RegFile){
|
| 1227 |
+
SC_METHOD (process);
|
| 1228 |
+
sensitive << regWrite << r1 << r2 << r3 << data;
|
| 1229 |
+
}
|
| 1230 |
+
|
| 1231 |
+
void process () {
|
| 1232 |
+
// whether the regWrite is 0 or not, the Rr1 and Rr2 have the corresponding output!
|
| 1233 |
+
Rr1.write(reg[r1.read()]);
|
| 1234 |
+
Rr2.write(reg[r2.read()]);
|
| 1235 |
+
if(regWrite.read() == 1){
|
| 1236 |
+
reg[r3.read()] = data.read();
|
| 1237 |
+
}
|
| 1238 |
+
|
| 1239 |
+
for (int i=0; i< 8; i++){
|
| 1240 |
+
r[i].write(reg[i]);
|
| 1241 |
+
}
|
| 1242 |
+
|
| 1243 |
+
if (c++ == 32) {
|
| 1244 |
+
reg[0] = 3;
|
| 1245 |
+
}
|
| 1246 |
+
}
|
| 1247 |
+
|
| 1248 |
+
|
| 1249 |
+
};
|
| 1250 |
+
/*
|
| 1251 |
+
* @ASCK
|
| 1252 |
+
*/
|
| 1253 |
+
|
| 1254 |
+
#include <systemc.h>
|
| 1255 |
+
|
| 1256 |
+
/*
|
| 1257 |
+
** GLOBAL EVENT FOR MICRO-ACC
|
| 1258 |
+
*/
|
| 1259 |
+
//////////////////////////
|
| 1260 |
+
sc_event micro_acc_ev;///
|
| 1261 |
+
////////////////////////
|
| 1262 |
+
|
| 1263 |
+
/*
|
| 1264 |
+
** GLOBAL EVENT FOR ACC-MEMORY -> READ MODE
|
| 1265 |
+
*/
|
| 1266 |
+
//////////////////////////
|
| 1267 |
+
sc_event acc_mem_read_ev;///
|
| 1268 |
+
////////////////////////
|
| 1269 |
+
|
| 1270 |
+
/*
|
| 1271 |
+
** GLOBAL EVENT FOR ACC-MEMORY -> WRITE MODE
|
| 1272 |
+
*/
|
| 1273 |
+
//////////////////////////
|
| 1274 |
+
sc_event acc_mem_write_ev;///
|
| 1275 |
+
////////////////////////
|
| 1276 |
+
|
| 1277 |
+
/*
|
| 1278 |
+
** variable for checking if IF/ID/EXE/WB should have been stopped after call=1 on memory-access stage or not!
|
| 1279 |
+
*/
|
| 1280 |
+
bool now_is_call = false;
|
| 1281 |
+
|
| 1282 |
+
|
| 1283 |
+
#include <./Micro.cpp>
|
| 1284 |
+
#include <./Bus.cpp>
|
| 1285 |
+
#include <./Memory.cpp>
|
| 1286 |
+
#include <./Acc.cpp>
|
| 1287 |
+
|
| 1288 |
+
|
| 1289 |
+
SC_MODULE(System)
|
| 1290 |
+
{
|
| 1291 |
+
|
| 1292 |
+
sc_in_clk clk;
|
| 1293 |
+
sc_in_clk clk_bus;
|
| 1294 |
+
|
| 1295 |
+
// testing wires
|
| 1296 |
+
sc_out<sc_uint<14>> pc;
|
| 1297 |
+
sc_out<sc_uint<5>> test_aluop;
|
| 1298 |
+
sc_out<sc_int<8>> reg_dump[8];
|
| 1299 |
+
|
| 1300 |
+
/*
|
| 1301 |
+
** module global variables
|
| 1302 |
+
*/
|
| 1303 |
+
|
| 1304 |
+
//
|
| 1305 |
+
// SIGNALS
|
| 1306 |
+
//
|
| 1307 |
+
|
| 1308 |
+
// MICRO
|
| 1309 |
+
sc_signal<sc_int<8>> micro_data_in; // input
|
| 1310 |
+
sc_signal<bool> micro_read, micro_write, micro_call;
|
| 1311 |
+
sc_signal<sc_uint<13>> micro_addr;
|
| 1312 |
+
sc_signal<sc_int<8>> micro_data_out; // output
|
| 1313 |
+
|
| 1314 |
+
// BUS
|
| 1315 |
+
sc_signal<bool> req;
|
| 1316 |
+
sc_signal<bool> read_in;
|
| 1317 |
+
sc_signal<bool> write_in;
|
| 1318 |
+
sc_signal<bool> call_in;
|
| 1319 |
+
sc_signal<sc_uint<13>> addr_in; // for both Mem. and Acc.
|
| 1320 |
+
sc_signal<sc_int<8>> data_in;
|
| 1321 |
+
//// INPUTS -up- / -down- OUTPUTS
|
| 1322 |
+
sc_signal<bool> ack;
|
| 1323 |
+
sc_signal<bool> read_out;
|
| 1324 |
+
sc_signal<bool> write_out;
|
| 1325 |
+
sc_signal<bool> call_out;
|
| 1326 |
+
sc_signal<sc_uint<13>> addr_out; // for both Mem. and Acc.
|
| 1327 |
+
sc_signal<sc_int<8>> data_out;
|
| 1328 |
+
|
| 1329 |
+
// MEMORY
|
| 1330 |
+
sc_signal<sc_int<8>> mem_data_in, mem_data_out;
|
| 1331 |
+
sc_signal<sc_uint<13>> mem_addr;
|
| 1332 |
+
sc_signal<bool> r_nw;
|
| 1333 |
+
|
| 1334 |
+
// ACC1
|
| 1335 |
+
sc_signal <bool> acc_call_in, acc_read, acc_write;
|
| 1336 |
+
sc_signal <sc_uint<13>> acc_addr_out;
|
| 1337 |
+
sc_signal <sc_int<8>> acc_data_in, acc_data_out;
|
| 1338 |
+
|
| 1339 |
+
//TESTING SIGNALS
|
| 1340 |
+
sc_signal<sc_uint<5>> test_aluOp;
|
| 1341 |
+
sc_signal<sc_uint<14>> test_pc;
|
| 1342 |
+
sc_signal<sc_uint<20>> test_inst;
|
| 1343 |
+
|
| 1344 |
+
/*
|
| 1345 |
+
** CREATE POINTER TO COMPONENTS
|
| 1346 |
+
*/
|
| 1347 |
+
Micro *micro;
|
| 1348 |
+
Bus *bus;
|
| 1349 |
+
Memory *memory;
|
| 1350 |
+
Acc *acc;
|
| 1351 |
+
|
| 1352 |
+
SC_CTOR(System)
|
| 1353 |
+
{
|
| 1354 |
+
SC_METHOD(process);
|
| 1355 |
+
sensitive << clk_bus.pos();
|
| 1356 |
+
|
| 1357 |
+
micro = new Micro("Micro");
|
| 1358 |
+
bus = new Bus("Bus");
|
| 1359 |
+
memory = new Memory("MEMORY");
|
| 1360 |
+
acc = new Acc("Acc1");
|
| 1361 |
+
|
| 1362 |
+
micro->clk(clk);
|
| 1363 |
+
micro->mem_data(micro_data_in);
|
| 1364 |
+
micro->read(micro_read);
|
| 1365 |
+
micro->write(micro_write);
|
| 1366 |
+
micro->call(micro_call);
|
| 1367 |
+
micro->addr(micro_addr);
|
| 1368 |
+
micro->data(micro_data_out);
|
| 1369 |
+
|
| 1370 |
+
micro->test_aluOp(test_aluOp);
|
| 1371 |
+
micro->test_pc(test_pc);
|
| 1372 |
+
micro->test_inst(test_inst);
|
| 1373 |
+
|
| 1374 |
+
for (int i = 0; i < 8; i++)
|
| 1375 |
+
{
|
| 1376 |
+
micro->reg_dump[i](reg_dump[i]);
|
| 1377 |
+
}
|
| 1378 |
+
|
| 1379 |
+
req = 1;
|
| 1380 |
+
bus->clk(clk_bus);
|
| 1381 |
+
bus->req(req);
|
| 1382 |
+
bus->read(read_in);
|
| 1383 |
+
bus->write(write_in);
|
| 1384 |
+
bus->call(micro_call);
|
| 1385 |
+
bus->addr(addr_in);
|
| 1386 |
+
bus->data(data_in);
|
| 1387 |
+
|
| 1388 |
+
bus->ack(ack);
|
| 1389 |
+
bus->read_out(read_out);
|
| 1390 |
+
bus->write_out(write_out);
|
| 1391 |
+
bus->call_out(call_out);
|
| 1392 |
+
bus->addr_out(addr_out);
|
| 1393 |
+
bus->data_out(data_out);
|
| 1394 |
+
|
| 1395 |
+
r_nw = 1;
|
| 1396 |
+
memory->r_nw(r_nw);
|
| 1397 |
+
memory->addr(mem_addr);
|
| 1398 |
+
memory->data(mem_data_in);
|
| 1399 |
+
memory->out(mem_data_out);
|
| 1400 |
+
|
| 1401 |
+
acc->mem_data(acc_data_in);
|
| 1402 |
+
acc->call(acc_call_in);
|
| 1403 |
+
acc->read(acc_read);
|
| 1404 |
+
acc->write(acc_write);
|
| 1405 |
+
acc->addr(acc_addr_out);
|
| 1406 |
+
acc->data(acc_data_out);
|
| 1407 |
+
|
| 1408 |
+
}
|
| 1409 |
+
|
| 1410 |
+
int c = 0; //clk counter for printing
|
| 1411 |
+
|
| 1412 |
+
/*
|
| 1413 |
+
** FLAG: if the **acc_read** of accelerator is enabled then we know that after 2 clks
|
| 1414 |
+
** we will have the memory data on the bus data_out!
|
| 1415 |
+
**
|
| 1416 |
+
** BRIEF: this flag acknowledge us whether we have to notify the acc_mem_read_ev or not!
|
| 1417 |
+
*/
|
| 1418 |
+
int notify_flag_read = 0;
|
| 1419 |
+
int notify_flag_write = 0;
|
| 1420 |
+
|
| 1421 |
+
void process()
|
| 1422 |
+
{
|
| 1423 |
+
// testing wires
|
| 1424 |
+
test_aluop.write(test_aluOp.read());
|
| 1425 |
+
pc.write(test_pc.read());
|
| 1426 |
+
|
| 1427 |
+
cout << "-----------------------------------------------" << endl;
|
| 1428 |
+
cout << "\t-___ " << "bus_clk: 0X" <<c++ << " ___-" << endl << endl;
|
| 1429 |
+
|
| 1430 |
+
|
| 1431 |
+
/*
|
| 1432 |
+
** Micro - MEMORY - ACC
|
| 1433 |
+
*/
|
| 1434 |
+
|
| 1435 |
+
mem_addr = addr_out.read();
|
| 1436 |
+
mem_data_in = data_out.read();
|
| 1437 |
+
micro_data_in = data_out.read();
|
| 1438 |
+
acc_data_in = data_out.read();
|
| 1439 |
+
acc_call_in = call_out.read();
|
| 1440 |
+
|
| 1441 |
+
if (read_out.read() || write_out.read() || call_out.read()){
|
| 1442 |
+
if (read_out.read()){
|
| 1443 |
+
r_nw = read_out.read();
|
| 1444 |
+
data_in = mem_data_out.read();
|
| 1445 |
+
}
|
| 1446 |
+
else if (write_out.read()){
|
| 1447 |
+
r_nw = !(write_out.read());
|
| 1448 |
+
}
|
| 1449 |
+
}
|
| 1450 |
+
|
| 1451 |
+
|
| 1452 |
+
////////////////////////HANDLE ACC READ/WRITE////////////////////////
|
| 1453 |
+
if (notify_flag_write !=0 && notify_flag_write < 3){
|
| 1454 |
+
// increment the flag to get to the intended clk count
|
| 1455 |
+
notify_flag_write++;
|
| 1456 |
+
return;
|
| 1457 |
+
}
|
| 1458 |
+
else if (notify_flag_write == 3){
|
| 1459 |
+
// the write operation should have been done
|
| 1460 |
+
notify_flag_write = 0;
|
| 1461 |
+
|
| 1462 |
+
acc_mem_write_ev.notify();
|
| 1463 |
+
return;
|
| 1464 |
+
}
|
| 1465 |
+
|
| 1466 |
+
if (notify_flag_read !=0 && notify_flag_read < 4){
|
| 1467 |
+
// increment the flag to get to the intended clk count
|
| 1468 |
+
notify_flag_read++;
|
| 1469 |
+
return;
|
| 1470 |
+
}
|
| 1471 |
+
else if (notify_flag_read == 4){
|
| 1472 |
+
// should we notify accelerator event? (two clocks have passed)
|
| 1473 |
+
notify_flag_read = 0;
|
| 1474 |
+
|
| 1475 |
+
acc_mem_read_ev.notify();
|
| 1476 |
+
return;
|
| 1477 |
+
}
|
| 1478 |
+
|
| 1479 |
+
|
| 1480 |
+
|
| 1481 |
+
|
| 1482 |
+
///////////////////////////////////////////////////////////////////MICRO
|
| 1483 |
+
if (micro_read.read() || micro_write.read() || micro_call.read())
|
| 1484 |
+
{
|
| 1485 |
+
read_in = micro_read.read();
|
| 1486 |
+
write_in = micro_write.read();
|
| 1487 |
+
call_in = micro_call.read();
|
| 1488 |
+
|
| 1489 |
+
if (micro_read.read()){
|
| 1490 |
+
|
| 1491 |
+
addr_in = micro_addr.read();
|
| 1492 |
+
}
|
| 1493 |
+
else if (micro_write.read()){
|
| 1494 |
+
data_in = micro_data_out.read();
|
| 1495 |
+
addr_in = micro_addr.read();
|
| 1496 |
+
}
|
| 1497 |
+
}
|
| 1498 |
+
///////////////////////////////////////////////////////////////////ACC
|
| 1499 |
+
if (acc_read.read() || acc_write.read())
|
| 1500 |
+
{
|
| 1501 |
+
|
| 1502 |
+
read_in = acc_read.read();
|
| 1503 |
+
write_in = acc_write.read();
|
| 1504 |
+
|
| 1505 |
+
if (acc_read.read()){
|
| 1506 |
+
// increment accelerator notify_flag_read
|
| 1507 |
+
notify_flag_read++;
|
| 1508 |
+
|
| 1509 |
+
addr_in = acc_addr_out.read();
|
| 1510 |
+
}
|
| 1511 |
+
else if (acc_write.read()){
|
| 1512 |
+
// increment accelerator notify_flag_write
|
| 1513 |
+
notify_flag_write++;
|
| 1514 |
+
|
| 1515 |
+
data_in = acc_data_out.read();
|
| 1516 |
+
addr_in = acc_addr_out.read();
|
| 1517 |
+
}
|
| 1518 |
+
}
|
| 1519 |
+
|
| 1520 |
+
|
| 1521 |
+
}
|
| 1522 |
+
};
|
| 1523 |
+
/*
|
| 1524 |
+
* @ASCK
|
| 1525 |
+
*/
|
| 1526 |
+
|
| 1527 |
+
#include <systemc.h>
|
| 1528 |
+
|
| 1529 |
+
SC_MODULE (WB) {
|
| 1530 |
+
|
| 1531 |
+
sc_in_clk clk;
|
| 1532 |
+
sc_in <sc_int<8>> prev_alu_result;
|
| 1533 |
+
sc_in <sc_int<8>> prev_mem_result;
|
| 1534 |
+
sc_in <bool> prev_WbMux;
|
| 1535 |
+
sc_in <bool> prev_regWrite;
|
| 1536 |
+
sc_in <sc_uint<3>> prev_rd;
|
| 1537 |
+
|
| 1538 |
+
sc_out <sc_int<8>> next_alu_result;
|
| 1539 |
+
sc_out <sc_int<8>> next_mem_result;
|
| 1540 |
+
sc_out <bool> next_WbMux;
|
| 1541 |
+
sc_out <bool> next_regWrite;
|
| 1542 |
+
sc_out <sc_uint<3>> next_rd;
|
| 1543 |
+
|
| 1544 |
+
|
| 1545 |
+
/*
|
| 1546 |
+
** module global variables
|
| 1547 |
+
*/
|
| 1548 |
+
|
| 1549 |
+
SC_CTOR (WB){
|
| 1550 |
+
SC_THREAD (process);
|
| 1551 |
+
sensitive << clk.pos();
|
| 1552 |
+
}
|
| 1553 |
+
|
| 1554 |
+
void process () {
|
| 1555 |
+
while(true){
|
| 1556 |
+
wait();
|
| 1557 |
+
if(now_is_call){
|
| 1558 |
+
wait(micro_acc_ev);
|
| 1559 |
+
}
|
| 1560 |
+
next_alu_result.write(prev_alu_result.read());
|
| 1561 |
+
next_mem_result.write(prev_mem_result.read());
|
| 1562 |
+
next_WbMux.write(prev_WbMux.read());
|
| 1563 |
+
next_regWrite.write(prev_regWrite);
|
| 1564 |
+
next_rd.write(prev_rd.read());
|
| 1565 |
+
}
|
| 1566 |
+
}
|
| 1567 |
+
|
| 1568 |
+
|
| 1569 |
+
};
|
| 1570 |
+
/*
|
| 1571 |
+
* @ASCK
|
| 1572 |
+
*/
|
| 1573 |
+
|
| 1574 |
+
#include <systemc.h>
|
| 1575 |
+
|
| 1576 |
+
#include <System.cpp>
|
| 1577 |
+
|
| 1578 |
+
using namespace std;
|
| 1579 |
+
|
| 1580 |
+
int sc_main(int argc, char* argv[]){
|
| 1581 |
+
|
| 1582 |
+
cout << "starting the complete project" << endl;
|
| 1583 |
+
|
| 1584 |
+
sc_trace_file *wf = sc_create_vcd_trace_file("project");
|
| 1585 |
+
|
| 1586 |
+
sc_signal <bool> clk;
|
| 1587 |
+
sc_signal <bool> clk_bus;
|
| 1588 |
+
sc_signal <sc_int<8>> reg_dump[8];
|
| 1589 |
+
sc_signal <sc_uint<5>> aluop;
|
| 1590 |
+
sc_signal <sc_uint<14>> pc;
|
| 1591 |
+
|
| 1592 |
+
|
| 1593 |
+
System sys ("System");
|
| 1594 |
+
sys (clk, clk_bus, pc, aluop);
|
| 1595 |
+
|
| 1596 |
+
for (int i=0; i<8; i++){
|
| 1597 |
+
sys.reg_dump[i](reg_dump[i]);
|
| 1598 |
+
}
|
| 1599 |
+
|
| 1600 |
+
sc_trace (wf, clk, "clk");
|
| 1601 |
+
sc_trace (wf, clk_bus, "bus_clk");
|
| 1602 |
+
sc_trace (wf, pc, "pc");
|
| 1603 |
+
sc_trace (wf, aluop, "aluop");
|
| 1604 |
+
for (int i=0; i<8; i++){
|
| 1605 |
+
char str[3];
|
| 1606 |
+
sprintf(str, "%d", i);
|
| 1607 |
+
sc_trace (wf, reg_dump[i], "R" + string(str));
|
| 1608 |
+
}
|
| 1609 |
+
|
| 1610 |
+
|
| 1611 |
+
for (int i=0; i<40 ;i++){
|
| 1612 |
+
clk_bus = 0;
|
| 1613 |
+
clk = 1;
|
| 1614 |
+
sc_start(1,SC_NS);
|
| 1615 |
+
clk_bus = 1;
|
| 1616 |
+
sc_start(1,SC_NS);
|
| 1617 |
+
clk_bus = 0;
|
| 1618 |
+
sc_start(1,SC_NS);
|
| 1619 |
+
clk_bus = 1;
|
| 1620 |
+
sc_start(1,SC_NS);
|
| 1621 |
+
clk_bus = 0;
|
| 1622 |
+
clk = 0;
|
| 1623 |
+
sc_start(1,SC_NS);
|
| 1624 |
+
clk_bus = 1;
|
| 1625 |
+
sc_start(1,SC_NS);
|
| 1626 |
+
clk_bus = 0;
|
| 1627 |
+
sc_start(1,SC_NS);
|
| 1628 |
+
clk_bus = 1;
|
| 1629 |
+
sc_start(1,SC_NS);
|
| 1630 |
+
}
|
| 1631 |
+
|
| 1632 |
+
|
| 1633 |
+
sc_close_vcd_trace_file(wf);
|
| 1634 |
+
|
| 1635 |
+
cout << "vcd file completed" << endl;
|
| 1636 |
+
|
| 1637 |
+
return 0;
|
| 1638 |
+
}
|
| 1639 |
+
|
| 1640 |
+
#include "systemc.h"
|
| 1641 |
+
#include "tlm.h"
|
| 1642 |
+
#include <string>
|
| 1643 |
+
|
| 1644 |
+
using namespace std;
|
| 1645 |
+
|
| 1646 |
+
using namespace tlm;
|
| 1647 |
+
|
| 1648 |
+
struct tr {
|
| 1649 |
+
string message;
|
| 1650 |
+
};
|
| 1651 |
+
|
| 1652 |
+
#include "uvmc.h"
|
| 1653 |
+
using namespace uvmc;
|
| 1654 |
+
UVMC_UTILS_1(tr, message)
|
| 1655 |
+
|
| 1656 |
+
|
| 1657 |
+
SC_MODULE(refmod) {
|
| 1658 |
+
sc_port<tlm_get_peek_if<tr> > in;
|
| 1659 |
+
sc_port<tlm_put_if<tr> > out;
|
| 1660 |
+
|
| 1661 |
+
void p() {
|
| 1662 |
+
|
| 1663 |
+
tr tr;
|
| 1664 |
+
while(1){
|
| 1665 |
+
tr = in->get();
|
| 1666 |
+
cout <<"refmod: " <<tr.message <<"\n";
|
| 1667 |
+
out->put(tr);
|
| 1668 |
+
}
|
| 1669 |
+
}
|
| 1670 |
+
SC_CTOR(refmod): in("in"), out("out") { SC_THREAD(p); }
|
| 1671 |
+
};
|
| 1672 |
+
|
| 1673 |
+
|
| 1674 |
+
|
| 1675 |
+
SC_MODULE(refmod_low){
|
| 1676 |
+
sc_port<tlm_get_peek_if<tr> > in;
|
| 1677 |
+
sc_port<tlm_put_if<tr> > out;
|
| 1678 |
+
|
| 1679 |
+
void p() {
|
| 1680 |
+
|
| 1681 |
+
tr tr;
|
| 1682 |
+
while(1){
|
| 1683 |
+
tr = in->get();
|
| 1684 |
+
cout <<"refmod_low: " <<tr.message <<"\n";
|
| 1685 |
+
out->put(tr);
|
| 1686 |
+
}
|
| 1687 |
+
}
|
| 1688 |
+
SC_CTOR(refmod_low): in("in"), out("out") { SC_THREAD(p); }
|
| 1689 |
+
};
|
| 1690 |
+
|
| 1691 |
+
|
| 1692 |
+
|
| 1693 |
+
#include <octave/oct.h>
|
| 1694 |
+
#include <octave/octave.h>
|
| 1695 |
+
#include <octave/parse.h>
|
| 1696 |
+
#include <octave/toplev.h>
|
| 1697 |
+
|
| 1698 |
+
SC_MODULE(refmod_oct) {
|
| 1699 |
+
sc_port<tlm_get_peek_if<tr> > in;
|
| 1700 |
+
sc_port<tlm_put_if<tr> > out;
|
| 1701 |
+
|
| 1702 |
+
void p() {
|
| 1703 |
+
string_vector oct_argv (2);
|
| 1704 |
+
oct_argv(0) = "embedded";
|
| 1705 |
+
oct_argv(1) = "-q";
|
| 1706 |
+
octave_function *oct_fcn;
|
| 1707 |
+
octave_value_list oct_in, oct_out;
|
| 1708 |
+
oct_fcn = load_fcn_from_file("reffunc.m");
|
| 1709 |
+
if(oct_fcn) cout << "Info: SystemC: Octave function loaded." << endl;
|
| 1710 |
+
else sc_stop();
|
| 1711 |
+
|
| 1712 |
+
tr tr;
|
| 1713 |
+
while(1){
|
| 1714 |
+
tr = in->get();
|
| 1715 |
+
octave_idx_type i = 0;
|
| 1716 |
+
oct_in(i) = octave_value (tr.message);
|
| 1717 |
+
oct_out = feval(oct_fcn, oct_in);
|
| 1718 |
+
tr.message = oct_out(0).string_value ();
|
| 1719 |
+
cout <<"refmod_oct: " <<tr.message <<"\n";
|
| 1720 |
+
out->put(tr);
|
| 1721 |
+
}
|
| 1722 |
+
}
|
| 1723 |
+
SC_CTOR(refmod_oct): in("in"), out("out") { SC_THREAD(p); }
|
| 1724 |
+
};
|
| 1725 |
+
|
| 1726 |
+
|
| 1727 |
+
|
| 1728 |
+
#include "refmod.cpp"
|
| 1729 |
+
#include "refmod_low.cpp"
|
| 1730 |
+
#include "refmod_oct.cpp"
|
| 1731 |
+
|
| 1732 |
+
int sc_main(int argc, char* argv[]) {
|
| 1733 |
+
|
| 1734 |
+
refmod refmod_i("refmod_i");
|
| 1735 |
+
refmod_low refmod_low_i("refmod_low_i");
|
| 1736 |
+
refmod_oct refmod_oct_i("refmod_oct_i");
|
| 1737 |
+
|
| 1738 |
+
uvmc_connect(refmod_i.in, "refmod_i.in");
|
| 1739 |
+
uvmc_connect(refmod_low_i.in, "refmod_low_i.in");
|
| 1740 |
+
uvmc_connect(refmod_i.out, "refmod_i.out");
|
| 1741 |
+
uvmc_connect(refmod_low_i.out, "refmod_low_i.out");
|
| 1742 |
+
|
| 1743 |
+
uvmc_connect(refmod_oct_i.in, "refmod_oct_i.in");
|
| 1744 |
+
uvmc_connect(refmod_oct_i.out, "refmod_oct_i.out");
|
| 1745 |
+
sc_start();
|
| 1746 |
+
return(0);
|
| 1747 |
+
}
|
| 1748 |
+
|
| 1749 |
+
|
| 1750 |
+
// Copyright (c) 2019 Group of Computer Architecture, university of Bremen. All Rights Reserved.
|
| 1751 |
+
// Filename: Component.cpp
|
| 1752 |
+
// Version 1 09-July-2019
|
| 1753 |
+
|
| 1754 |
+
#include "Component.h"
|
| 1755 |
+
|
| 1756 |
+
|
| 1757 |
+
void Component::set_func (NT Func){
|
| 1758 |
+
if (!Func.first.empty()){
|
| 1759 |
+
string TypeName = Func.first+"+"+Func.second;
|
| 1760 |
+
if (func_st.count(TypeName) == 0) {
|
| 1761 |
+
vector<NT> temp;
|
| 1762 |
+
func_st[TypeName] = temp;
|
| 1763 |
+
}
|
| 1764 |
+
}
|
| 1765 |
+
}
|
| 1766 |
+
|
| 1767 |
+
//----------------------------------------------------------
|
| 1768 |
+
void Component::set_func_with_local (string f_sig, vector<NT> vect){
|
| 1769 |
+
if (func_st.count(f_sig) > 0) {
|
| 1770 |
+
func_st[f_sig] = vect;
|
| 1771 |
+
}
|
| 1772 |
+
}
|
| 1773 |
+
|
| 1774 |
+
//----------------------------------------------------------
|
| 1775 |
+
void Component::set_var (NT Var){
|
| 1776 |
+
for (int i=0; i< var_st.size(); ++i){
|
| 1777 |
+
if ((var_st[i].first == Var.first) && (var_st[i].second == Var.second))
|
| 1778 |
+
return;
|
| 1779 |
+
}
|
| 1780 |
+
var_st.push_back(Var);
|
| 1781 |
+
}
|
| 1782 |
+
|
| 1783 |
+
//----------------------------------------------------------
|
| 1784 |
+
void Component::set_name (string module_name){
|
| 1785 |
+
name = module_name;
|
| 1786 |
+
}
|
| 1787 |
+
|
| 1788 |
+
//----------------------------------------------------------
|
| 1789 |
+
string Component::get_name (){
|
| 1790 |
+
return name;
|
| 1791 |
+
}
|
| 1792 |
+
|
| 1793 |
+
//----------------------------------------------------------
|
| 1794 |
+
string Component::get_name_XML (){
|
| 1795 |
+
string temp;
|
| 1796 |
+
if (name == "sc_main")
|
| 1797 |
+
temp = "<Global_function name = \"" + name + "\">";
|
| 1798 |
+
else
|
| 1799 |
+
temp = "<Module name = \"" + name + "\">";
|
| 1800 |
+
return temp;
|
| 1801 |
+
}
|
| 1802 |
+
|
| 1803 |
+
//----------------------------------------------------------
|
| 1804 |
+
string Component::get_var (){
|
| 1805 |
+
string temp;
|
| 1806 |
+
for (auto i: var_st){
|
| 1807 |
+
if (!i.first.empty()){
|
| 1808 |
+
temp = temp +"Name: "+i.first+"\tType: "+i.second+"\n";
|
| 1809 |
+
}
|
| 1810 |
+
}
|
| 1811 |
+
if (temp.empty())
|
| 1812 |
+
return "No Variable!\n";
|
| 1813 |
+
else
|
| 1814 |
+
return temp;
|
| 1815 |
+
}
|
| 1816 |
+
|
| 1817 |
+
//----------------------------------------------------------
|
| 1818 |
+
string Component::get_var_XML (){
|
| 1819 |
+
string temp;
|
| 1820 |
+
for (auto i: var_st){
|
| 1821 |
+
if (!i.first.empty()){
|
| 1822 |
+
temp = temp +"\t<Global_variable name = \""+i.first+"\"\ttype = \""+i.second+"\"></Global_variable>\n";
|
| 1823 |
+
}
|
| 1824 |
+
}
|
| 1825 |
+
return temp;
|
| 1826 |
+
}
|
| 1827 |
+
|
| 1828 |
+
//----------------------------------------------------------
|
| 1829 |
+
string Component::get_func_XML (){
|
| 1830 |
+
string temp, temp_local_var;
|
| 1831 |
+
vector<string> vect_tp;
|
| 1832 |
+
|
| 1833 |
+
for (auto i: func_st){
|
| 1834 |
+
if ((i.first != "") && (i.first != " ")){
|
| 1835 |
+
vect_tp = split(i.first, '+');
|
| 1836 |
+
temp_local_var = make_XML (i.second);
|
| 1837 |
+
temp = temp + "\t<Function name = \""+vect_tp[0] + "\"\ttype = \"" + vect_tp[1]+"\">\n" + temp_local_var + "\t</Function>\n";
|
| 1838 |
+
}
|
| 1839 |
+
}
|
| 1840 |
+
return temp;
|
| 1841 |
+
}
|
| 1842 |
+
|
| 1843 |
+
//----------------------------------------------------------
|
| 1844 |
+
string Component::get_func (){
|
| 1845 |
+
string temp, temp_local_var;
|
| 1846 |
+
vector<string> vect_tp;
|
| 1847 |
+
|
| 1848 |
+
for (auto i: func_st){
|
| 1849 |
+
if ((i.first != "") && (i.first != " ")){
|
| 1850 |
+
vect_tp = split(i.first, '+');
|
| 1851 |
+
temp_local_var = make_string (i.second);
|
| 1852 |
+
temp = temp +"Name: "+vect_tp[0]+"\tType: "+vect_tp[1]+"\n" + temp_local_var;
|
| 1853 |
+
}
|
| 1854 |
+
}
|
| 1855 |
+
if (temp.empty())
|
| 1856 |
+
return "No Function!\n";
|
| 1857 |
+
else
|
| 1858 |
+
return temp;
|
| 1859 |
+
}
|
| 1860 |
+
|
| 1861 |
+
//----------------------------------------------------------
|
| 1862 |
+
unordered_map<string, vector<NT>> Component::get_func_data (){
|
| 1863 |
+
return func_st;
|
| 1864 |
+
}
|
| 1865 |
+
|
| 1866 |
+
|
| 1867 |
+
|
| 1868 |
+
|
| 1869 |
+
|
| 1870 |
+
// Copyright (c) 2019 Group of Computer Architecture, university of Bremen. All Rights Reserved.
|
| 1871 |
+
// Filename: Define.h
|
| 1872 |
+
// Version 1 09-July-2019
|
| 1873 |
+
|
| 1874 |
+
#ifndef DEFINE_H_
|
| 1875 |
+
#define DEFINE_H_
|
| 1876 |
+
|
| 1877 |
+
#include <iostream>
|
| 1878 |
+
#include <string>
|
| 1879 |
+
#include <sstream>
|
| 1880 |
+
#include <vector>
|
| 1881 |
+
#include <iterator>
|
| 1882 |
+
using namespace std;
|
| 1883 |
+
#include <limits>
|
| 1884 |
+
#include <fstream>
|
| 1885 |
+
#include <unordered_map>
|
| 1886 |
+
#include <algorithm>
|
| 1887 |
+
|
| 1888 |
+
|
| 1889 |
+
|
| 1890 |
+
|
| 1891 |
+
#define BLOCK "block #"
|
| 1892 |
+
#define CLASS "class"
|
| 1893 |
+
#define STRUCT "struct"
|
| 1894 |
+
#define SCMODULE "sc_module"
|
| 1895 |
+
#define DCSCMODULE "::sc_module"
|
| 1896 |
+
#define SCMAIN "function sc_main"
|
| 1897 |
+
#define SYMTAB "Symtab"
|
| 1898 |
+
#define CAT "computed at runtime"
|
| 1899 |
+
#define CONSTRUCT "construct"
|
| 1900 |
+
#define TYPEDEF "typedef"
|
| 1901 |
+
#define SCCORE "sc_core::"
|
| 1902 |
+
#define CONST "const"
|
| 1903 |
+
#define CT "const this;"
|
| 1904 |
+
|
| 1905 |
+
|
| 1906 |
+
typedef pair<string, string> NT; //------N : name and T: type, which is for variable and function
|
| 1907 |
+
|
| 1908 |
+
const vector<string> CPlusPlus_type = {"char","char16_t","char32_t","wchar_t","signed char","short","int","long","long long","unsigned char","unsigned short","unsigned","unsigned long","unsigned long long","float","double","long double","bool","void"};
|
| 1909 |
+
|
| 1910 |
+
bool string_finder (string , string);
|
| 1911 |
+
void GotoLine(ifstream& , unsigned int);
|
| 1912 |
+
vector<string> split(const string &, char);
|
| 1913 |
+
string replace_first_occurrence (string&, const string&, const string&);
|
| 1914 |
+
bool findchar_exact (string, vector<string>);
|
| 1915 |
+
void print_vector (vector<string>);
|
| 1916 |
+
int find_in_vector (vector<string>, string);
|
| 1917 |
+
void remove_element_vector(vector<string>&, string);
|
| 1918 |
+
void set_NT_vector (vector<NT>&, NT);
|
| 1919 |
+
void filter_element (string&, vector<string>);
|
| 1920 |
+
string make_string (vector<NT>);
|
| 1921 |
+
string make_XML (vector<NT>);
|
| 1922 |
+
|
| 1923 |
+
#endif
|
| 1924 |
+
// Copyright (c) 2019 Group of Computer Architecture, university of Bremen. All Rights Reserved.
|
| 1925 |
+
// Filename: SCmain.cpp
|
| 1926 |
+
// Version 1 09-July-2019
|
| 1927 |
+
|
| 1928 |
+
#include "SCmain.h"
|
| 1929 |
+
|
| 1930 |
+
|
| 1931 |
+
|
| 1932 |
+
void ScMain::print_data(){
|
| 1933 |
+
ofstream txtFile;
|
| 1934 |
+
txtFile.open ("output.txt");
|
| 1935 |
+
txtFile<<"--------------Extracted Static Information--------------"<<endl;
|
| 1936 |
+
for (auto i: static_data_final){
|
| 1937 |
+
txtFile<<"Module Name ----->\n"<<i.get_name()<<endl;
|
| 1938 |
+
txtFile<<"Var List ----->\n"<<i.get_var()<<endl;
|
| 1939 |
+
txtFile<<"Func List ----->\n"<<i.get_func()<<endl;
|
| 1940 |
+
txtFile<<"----------------------------------------------------"<<endl;
|
| 1941 |
+
}
|
| 1942 |
+
}
|
| 1943 |
+
|
| 1944 |
+
//----------------------------------------------------------
|
| 1945 |
+
void ScMain::print_data_XML(){
|
| 1946 |
+
ofstream xmlFile;
|
| 1947 |
+
xmlFile.open ("output.xml");
|
| 1948 |
+
|
| 1949 |
+
xmlFile<<"<ESL_ARCH>"<<endl;
|
| 1950 |
+
for (auto i: static_data_final){
|
| 1951 |
+
xmlFile<<i.get_name_XML()<<endl;
|
| 1952 |
+
xmlFile<<i.get_var_XML()<<endl;
|
| 1953 |
+
xmlFile<<i.get_func_XML()<<endl;
|
| 1954 |
+
if (i.get_name() == "sc_main")
|
| 1955 |
+
xmlFile<<"</Global_function>\n"<<endl;
|
| 1956 |
+
else
|
| 1957 |
+
xmlFile<<"</Module>\n"<<endl;
|
| 1958 |
+
}
|
| 1959 |
+
xmlFile<<"</ESL_ARCH>"<<endl;
|
| 1960 |
+
xmlFile.close();
|
| 1961 |
+
}
|
| 1962 |
+
|
| 1963 |
+
//----------------------------------------------------------
|
| 1964 |
+
void ScMain::update_localVar (string m_name, string f_sig, vector<NT> local_var){
|
| 1965 |
+
int index = find_element(m_name);
|
| 1966 |
+
if (index != -1)
|
| 1967 |
+
static_data_final[index].set_func_with_local(f_sig, local_var);
|
| 1968 |
+
}
|
| 1969 |
+
|
| 1970 |
+
//----------------------------------------------------------
|
| 1971 |
+
void ScMain::set_func_localVar(ifstream &debugSymbol){
|
| 1972 |
+
unordered_map<string, vector<NT>> func_temp;
|
| 1973 |
+
vector<string> vect_decod;
|
| 1974 |
+
string temp, line;
|
| 1975 |
+
vector<NT> Vect_NameType;
|
| 1976 |
+
unsigned int lineNum = 0;
|
| 1977 |
+
|
| 1978 |
+
for (auto i: static_data_final){
|
| 1979 |
+
func_temp = i.get_func_data();
|
| 1980 |
+
for (auto j: func_temp){
|
| 1981 |
+
lineNum = 0;
|
| 1982 |
+
vect_decod = split(j.first,'+');
|
| 1983 |
+
temp = "function " + i.get_name() + "::" + vect_decod[0];
|
| 1984 |
+
GotoLine(debugSymbol, lineNum); //-------start from begining of file
|
| 1985 |
+
if (debugSymbol.is_open()){
|
| 1986 |
+
while (getline(debugSymbol, line)) {
|
| 1987 |
+
lineNum++;
|
| 1988 |
+
if (string_finder (line, temp)){
|
| 1989 |
+
Vect_NameType = find_localVar_elements (debugSymbol, lineNum);
|
| 1990 |
+
update_localVar(i.get_name(),j.first, Vect_NameType);
|
| 1991 |
+
break;
|
| 1992 |
+
}
|
| 1993 |
+
}
|
| 1994 |
+
}
|
| 1995 |
+
else
|
| 1996 |
+
cout << "\033[1;31mUnable to open Debug Symbol file\033[0m\n";
|
| 1997 |
+
}
|
| 1998 |
+
}
|
| 1999 |
+
}
|
| 2000 |
+
|
| 2001 |
+
//----------------------------------------------------------
|
| 2002 |
+
vector<NT> ScMain::find_localVar_elements (ifstream &debugSymbol, unsigned int lineNum){
|
| 2003 |
+
vector<NT> Vect_NameType;
|
| 2004 |
+
vector<string> split_line;
|
| 2005 |
+
NT NameType;
|
| 2006 |
+
string line;
|
| 2007 |
+
GotoLine(debugSymbol, lineNum);
|
| 2008 |
+
bool findComplexType = 0;
|
| 2009 |
+
|
| 2010 |
+
if (debugSymbol.is_open()){
|
| 2011 |
+
while (getline(debugSymbol, line)) {
|
| 2012 |
+
if ((!string_finder (line, DCSCMODULE)) && (!line.empty()) && (string_finder (line, CLASS) || string_finder (line, STRUCT))){ //--------- first step of extracting local var of systemC
|
| 2013 |
+
split_line = split(line, ' ');
|
| 2014 |
+
remove_element_vector(split_line, "");
|
| 2015 |
+
if ((split_line.size() > 3) && string_finder (line, CLASS))
|
| 2016 |
+
NameType.second = split_line[2];
|
| 2017 |
+
else
|
| 2018 |
+
NameType.second = split_line[1];
|
| 2019 |
+
if (string_finder (NameType.second, SCCORE) && string_finder (NameType.second, "<"))
|
| 2020 |
+
NameType.second = replace_first_occurrence(NameType.second,",",">");
|
| 2021 |
+
|
| 2022 |
+
findComplexType = 1;
|
| 2023 |
+
}
|
| 2024 |
+
else if (string_finder (line, CAT) && findComplexType && (!string_finder (line, CT)) && string_finder (line,"}")){ //--- second step of complex type
|
| 2025 |
+
split_line = split(line, ' ');
|
| 2026 |
+
remove_element_vector(split_line, "");
|
| 2027 |
+
NameType.first = split_line[1];
|
| 2028 |
+
NameType.first = replace_first_occurrence(NameType.first,";","");
|
| 2029 |
+
|
| 2030 |
+
set_NT_vector (Vect_NameType, NameType);
|
| 2031 |
+
}
|
| 2032 |
+
else if (string_finder (line, CAT) && (!string_finder (line, CT))){ //----------- extracting local var of c++ for each function
|
| 2033 |
+
NameType = find_module_var(line);
|
| 2034 |
+
set_NT_vector (Vect_NameType, NameType);
|
| 2035 |
+
}
|
| 2036 |
+
if (string_finder (line, BLOCK))
|
| 2037 |
+
return Vect_NameType;
|
| 2038 |
+
}
|
| 2039 |
+
}
|
| 2040 |
+
|
| 2041 |
+
}
|
| 2042 |
+
|
| 2043 |
+
//----------------------------------------------------------
|
| 2044 |
+
void ScMain::set_static_data_func (string m_name, NT f_name){
|
| 2045 |
+
Component temp_struct;
|
| 2046 |
+
int index = find_element(m_name);
|
| 2047 |
+
|
| 2048 |
+
if (index != -1){
|
| 2049 |
+
static_data_final[index].set_func(f_name);
|
| 2050 |
+
}
|
| 2051 |
+
else{
|
| 2052 |
+
temp_struct.set_name (m_name);
|
| 2053 |
+
temp_struct.set_func(f_name);
|
| 2054 |
+
static_data_final.push_back(temp_struct);
|
| 2055 |
+
}
|
| 2056 |
+
}
|
| 2057 |
+
|
| 2058 |
+
//----------------------------------------------------------
|
| 2059 |
+
int ScMain::find_element (string str){
|
| 2060 |
+
for (int i=0; i< static_data_final.size(); ++i){
|
| 2061 |
+
if (static_data_final[i].get_name() == str)
|
| 2062 |
+
return i;
|
| 2063 |
+
}
|
| 2064 |
+
return -1;
|
| 2065 |
+
}
|
| 2066 |
+
|
| 2067 |
+
//----------------------------------------------------------
|
| 2068 |
+
void ScMain::set_static_data_var (string m_name, NT v_name){
|
| 2069 |
+
Component temp_struct;
|
| 2070 |
+
int index = find_element(m_name);
|
| 2071 |
+
|
| 2072 |
+
if (index != -1){
|
| 2073 |
+
static_data_final[index].set_var(v_name);
|
| 2074 |
+
}
|
| 2075 |
+
else{
|
| 2076 |
+
temp_struct.set_name (m_name);
|
| 2077 |
+
temp_struct.set_var(v_name);
|
| 2078 |
+
static_data_final.push_back(temp_struct);
|
| 2079 |
+
}
|
| 2080 |
+
}
|
| 2081 |
+
|
| 2082 |
+
//----------------------------------------------------------
|
| 2083 |
+
bool ScMain::find_scmain_elements (ifstream &debugSymbol, unsigned int lineNum){
|
| 2084 |
+
string line, string_type, string_name;
|
| 2085 |
+
NT name_type;
|
| 2086 |
+
bool permission_flag = 0;
|
| 2087 |
+
vector<string> split_line;
|
| 2088 |
+
GotoLine(debugSymbol, lineNum);
|
| 2089 |
+
|
| 2090 |
+
if (debugSymbol.is_open()){
|
| 2091 |
+
while (getline(debugSymbol, line)) {
|
| 2092 |
+
if(!(string_finder(line, BLOCK))){
|
| 2093 |
+
if (string_finder(line, CLASS)){
|
| 2094 |
+
string_type = line;
|
| 2095 |
+
split_line = split(string_type,' ');
|
| 2096 |
+
string_type = split_line[6];
|
| 2097 |
+
if((string_finder(string_type, SCCORE)) && (string_finder(string_type, "<"))){
|
| 2098 |
+
string_type = replace_first_occurrence(string_type,",",">");
|
| 2099 |
+
}
|
| 2100 |
+
else if (string_finder(string_type, SCCORE)){
|
| 2101 |
+
string_type = split_line[6];
|
| 2102 |
+
|
| 2103 |
+
}
|
| 2104 |
+
permission_flag = 1;
|
| 2105 |
+
}
|
| 2106 |
+
else if ((string_finder(line, CAT)) && (permission_flag)){
|
| 2107 |
+
string_name = line;
|
| 2108 |
+
split_line = split(string_name,' ');
|
| 2109 |
+
string_name = replace_first_occurrence(split_line[6],";","");
|
| 2110 |
+
filter_element(string_name, {"*","&"});
|
| 2111 |
+
|
| 2112 |
+
name_type.first = string_name;
|
| 2113 |
+
name_type.second = string_type;
|
| 2114 |
+
permission_flag=0;
|
| 2115 |
+
set_static_data_var ("sc_main", name_type);
|
| 2116 |
+
}
|
| 2117 |
+
}
|
| 2118 |
+
else{
|
| 2119 |
+
return 1;
|
| 2120 |
+
}
|
| 2121 |
+
}
|
| 2122 |
+
}
|
| 2123 |
+
else
|
| 2124 |
+
cout << "\033[1;31mUnable to open Debug Symbol file\033[0m\n";
|
| 2125 |
+
return 0;
|
| 2126 |
+
}
|
| 2127 |
+
|
| 2128 |
+
//----------------------------------------------------------
|
| 2129 |
+
bool ScMain::find_scmain (ifstream &debugSymbol){
|
| 2130 |
+
string line;
|
| 2131 |
+
bool finish = 0;
|
| 2132 |
+
unsigned int line_num = 0;
|
| 2133 |
+
|
| 2134 |
+
if (debugSymbol.is_open()){
|
| 2135 |
+
while (getline (debugSymbol,line)){
|
| 2136 |
+
line_num++;
|
| 2137 |
+
if (string_finder(line, BLOCK) && string_finder(line, SCMAIN)){
|
| 2138 |
+
cout << "\033[1;32mStarting sc_main() variables extraction...\033[0m\n";
|
| 2139 |
+
finish = find_scmain_elements (debugSymbol, line_num);
|
| 2140 |
+
if (finish){
|
| 2141 |
+
cout << "\033[1;32msc_main() variables extraction is dine!\033[0m\n";
|
| 2142 |
+
cout << "\033[1;32mStarting module extraction...\033[0m\n";
|
| 2143 |
+
find_module (debugSymbol, line_num);
|
| 2144 |
+
cout << "\033[1;32mModule extraction is done!\033[0m\n";
|
| 2145 |
+
GotoLine(debugSymbol, 0); //-------start from begining of file
|
| 2146 |
+
cout << "\033[1;32mStarting local variables extraction...\033[0m\n";
|
| 2147 |
+
set_func_localVar(debugSymbol);
|
| 2148 |
+
cout << "\033[1;32mLocal variables extraction is done!\033[0m\n";
|
| 2149 |
+
return 1;
|
| 2150 |
+
}
|
| 2151 |
+
else{
|
| 2152 |
+
cout << "\033[1;31mCould not find sc_main() function\033[0m\n";
|
| 2153 |
+
return 0;
|
| 2154 |
+
}
|
| 2155 |
+
}
|
| 2156 |
+
}
|
| 2157 |
+
}
|
| 2158 |
+
else{
|
| 2159 |
+
cout << "\033[1;31mUnable to open Debug Symbol file\033[0m\n";
|
| 2160 |
+
return 0;
|
| 2161 |
+
}
|
| 2162 |
+
}
|
| 2163 |
+
|
| 2164 |
+
//----------------------------------------------------------
|
| 2165 |
+
void ScMain::find_module (ifstream &debugSymbol, unsigned int lineNum){
|
| 2166 |
+
GotoLine(debugSymbol, lineNum);
|
| 2167 |
+
string line, module_name;
|
| 2168 |
+
vector<string> split_line;
|
| 2169 |
+
|
| 2170 |
+
if (debugSymbol.is_open()){
|
| 2171 |
+
while (getline(debugSymbol, line)) {
|
| 2172 |
+
lineNum++;
|
| 2173 |
+
if((string_finder(line, STRUCT)) && (string_finder(line, SCMODULE)) && (!string_finder(line, "::_")) && (!string_finder(line, BLOCK)) && (!string_finder(line, CONSTRUCT)) && (!string_finder(line, "*"))){
|
| 2174 |
+
|
| 2175 |
+
split_line = split(line,' ');
|
| 2176 |
+
remove_element_vector(split_line, "");
|
| 2177 |
+
|
| 2178 |
+
if (string_finder(line, ">")) //--- for template type
|
| 2179 |
+
module_name = split_line[1]+" "+split_line[2];
|
| 2180 |
+
else
|
| 2181 |
+
module_name = split_line[1];
|
| 2182 |
+
|
| 2183 |
+
if ((!string_finder(module_name, CLASS)) && (!string_finder(module_name, CONST)) && (!string_finder(module_name, SCCORE))){ //---ignoring pre-defined systemc module and function
|
| 2184 |
+
find_module_elements(debugSymbol,lineNum, module_name);
|
| 2185 |
+
GotoLine(debugSymbol, lineNum); //------------------return back to the line number where module defined
|
| 2186 |
+
|
| 2187 |
+
}
|
| 2188 |
+
}
|
| 2189 |
+
}
|
| 2190 |
+
}
|
| 2191 |
+
else
|
| 2192 |
+
cout << "\033[1;31mUnable to open Debug Symbol file\033[0m\n";
|
| 2193 |
+
}
|
| 2194 |
+
|
| 2195 |
+
//----------------------------------------------------------
|
| 2196 |
+
void ScMain::find_module_elements (ifstream &debugSymbol, unsigned int lineNum, string m_name){
|
| 2197 |
+
NT VarNameType;
|
| 2198 |
+
NT FuncNameType;
|
| 2199 |
+
GotoLine(debugSymbol, lineNum);
|
| 2200 |
+
string line, string_type;
|
| 2201 |
+
vector<string> split_line;
|
| 2202 |
+
|
| 2203 |
+
if (debugSymbol.is_open()){
|
| 2204 |
+
while (getline(debugSymbol, line)) {
|
| 2205 |
+
if((!string_finder(line, "}")) && (string_finder(line, ");")) && (!line.empty())){
|
| 2206 |
+
FuncNameType = find_module_func(line);
|
| 2207 |
+
set_static_data_func (m_name, FuncNameType);
|
| 2208 |
+
}
|
| 2209 |
+
else if ((string_finder(line, ";")) && (!string_finder(line, TYPEDEF)) && (!string_finder(line, "}"))){
|
| 2210 |
+
VarNameType = find_module_var (line);
|
| 2211 |
+
set_static_data_var (m_name, VarNameType);
|
| 2212 |
+
|
| 2213 |
+
}
|
| 2214 |
+
else if (string_finder(line, "}"))
|
| 2215 |
+
break;
|
| 2216 |
+
}
|
| 2217 |
+
}
|
| 2218 |
+
else
|
| 2219 |
+
cout << "\033[1;31mUnable to open Debug Symbol file\033[0m\n";
|
| 2220 |
+
}
|
| 2221 |
+
|
| 2222 |
+
//----------------------------------------------------------
|
| 2223 |
+
NT ScMain:: find_module_func (string line){
|
| 2224 |
+
NT NameType;
|
| 2225 |
+
vector<string> split_line = split(line, ' ');
|
| 2226 |
+
remove_element_vector(split_line, "");
|
| 2227 |
+
|
| 2228 |
+
if ((split_line.size()>1) && (!string_finder(line, "~"))){ //------------------- ignore constractor and destrocture function
|
| 2229 |
+
int index = find_in_vector(split_line, "(");
|
| 2230 |
+
if (index>=0){
|
| 2231 |
+
size_t pos = split_line[index].find("(");
|
| 2232 |
+
NameType.first = split_line[index].substr(0,pos);
|
| 2233 |
+
NameType.second = split_line[index-1];
|
| 2234 |
+
}
|
| 2235 |
+
}
|
| 2236 |
+
return NameType;
|
| 2237 |
+
}
|
| 2238 |
+
|
| 2239 |
+
//----------------------------------------------------------
|
| 2240 |
+
NT ScMain:: find_module_var (string line){
|
| 2241 |
+
NT NameType;
|
| 2242 |
+
vector<string> split_line = split(line, ' ');
|
| 2243 |
+
remove_element_vector(split_line, "");
|
| 2244 |
+
int index_var = find_in_vector(split_line, ";");
|
| 2245 |
+
|
| 2246 |
+
if (index_var >=0)
|
| 2247 |
+
NameType.first = replace_first_occurrence(split_line[index_var],";","");
|
| 2248 |
+
else
|
| 2249 |
+
NameType.first = replace_first_occurrence(split_line[1],";","");
|
| 2250 |
+
|
| 2251 |
+
NameType.second = split_line[0];
|
| 2252 |
+
filter_element(NameType.first, {"*","&","["});
|
| 2253 |
+
return NameType;
|
| 2254 |
+
}
|
| 2255 |
+
|
| 2256 |
+
#include "systemc.h"
|
| 2257 |
+
#include "tlm.h"
|
| 2258 |
+
#include <string>
|
| 2259 |
+
|
| 2260 |
+
using namespace std;
|
| 2261 |
+
|
| 2262 |
+
using namespace tlm;
|
| 2263 |
+
|
| 2264 |
+
struct tr {
|
| 2265 |
+
string message;
|
| 2266 |
+
};
|
| 2267 |
+
|
| 2268 |
+
#include "uvmc.h"
|
| 2269 |
+
using namespace uvmc;
|
| 2270 |
+
UVMC_UTILS_1(tr, message)
|
| 2271 |
+
|
| 2272 |
+
|
| 2273 |
+
SC_MODULE(refmod) {
|
| 2274 |
+
sc_port<tlm_get_peek_if<tr> > in;
|
| 2275 |
+
sc_port<tlm_put_if<tr> > out;
|
| 2276 |
+
|
| 2277 |
+
void p() {
|
| 2278 |
+
|
| 2279 |
+
tr tr;
|
| 2280 |
+
while(1){
|
| 2281 |
+
tr = in->get();
|
| 2282 |
+
cout <<"refmod: " <<tr.message <<"\n";
|
| 2283 |
+
out->put(tr);
|
| 2284 |
+
}
|
| 2285 |
+
}
|
| 2286 |
+
SC_CTOR(refmod): in("in"), out("out") { SC_THREAD(p); }
|
| 2287 |
+
};
|
| 2288 |
+
|
| 2289 |
+
|
| 2290 |
+
|
| 2291 |
+
SC_MODULE(refmod_low){
|
| 2292 |
+
sc_port<tlm_get_peek_if<tr> > in;
|
| 2293 |
+
sc_port<tlm_put_if<tr> > out;
|
| 2294 |
+
|
| 2295 |
+
void p() {
|
| 2296 |
+
|
| 2297 |
+
tr tr;
|
| 2298 |
+
while(1){
|
| 2299 |
+
tr = in->get();
|
| 2300 |
+
cout <<"refmod_low: " <<tr.message <<"\n";
|
| 2301 |
+
out->put(tr);
|
| 2302 |
+
}
|
| 2303 |
+
}
|
| 2304 |
+
SC_CTOR(refmod_low): in("in"), out("out") { SC_THREAD(p); }
|
| 2305 |
+
};
|
| 2306 |
+
|
| 2307 |
+
|
| 2308 |
+
|
| 2309 |
+
#include "refmod.cpp"
|
| 2310 |
+
#include "refmod_low.cpp"
|
| 2311 |
+
|
| 2312 |
+
int sc_main(int argc, char* argv[]) {
|
| 2313 |
+
|
| 2314 |
+
refmod refmod_i("refmod_i");
|
| 2315 |
+
refmod_low refmod_low_i("refmod_low_i");
|
| 2316 |
+
|
| 2317 |
+
uvmc_connect(refmod_i.in, "refmod_i.in");
|
| 2318 |
+
uvmc_connect(refmod_low_i.in, "refmod_low_i.in");
|
| 2319 |
+
uvmc_connect(refmod_i.out, "refmod_i.out");
|
| 2320 |
+
uvmc_connect(refmod_low_i.out, "refmod_low_i.out");
|
| 2321 |
+
|
| 2322 |
+
sc_start();
|
| 2323 |
+
return(0);
|
| 2324 |
+
}
|
| 2325 |
+
|
| 2326 |
+
|
| 2327 |
+
#ifndef KAHN_PROCESS_H
|
| 2328 |
+
#define KAHN_PROCESS_H
|
| 2329 |
+
/*
|
| 2330 |
+
* kahn_process.h -- Base SystemC module for modeling applications using KPN
|
| 2331 |
+
*
|
| 2332 |
+
* System-Level Architecture and Modeling Lab
|
| 2333 |
+
* Department of Electrical and Computer Engineering
|
| 2334 |
+
* The University of Texas at Austin
|
| 2335 |
+
*
|
| 2336 |
+
* Author: Kamyar Mirzazad Barijough (kammirzazad@utexas.edu)
|
| 2337 |
+
*/
|
| 2338 |
+
|
| 2339 |
+
#include <systemc.h>
|
| 2340 |
+
|
| 2341 |
+
class kahn_process : public sc_module
|
| 2342 |
+
{
|
| 2343 |
+
public:
|
| 2344 |
+
|
| 2345 |
+
SC_HAS_PROCESS(kahn_process);
|
| 2346 |
+
|
| 2347 |
+
kahn_process(sc_module_name name) : sc_module(name)
|
| 2348 |
+
{
|
| 2349 |
+
iter = 0;
|
| 2350 |
+
SC_THREAD(main);
|
| 2351 |
+
}
|
| 2352 |
+
|
| 2353 |
+
void main() { while(true) {process(); iter++;} }
|
| 2354 |
+
|
| 2355 |
+
protected:
|
| 2356 |
+
|
| 2357 |
+
int iter = 0;
|
| 2358 |
+
|
| 2359 |
+
virtual void process() = 0;
|
| 2360 |
+
};
|
| 2361 |
+
#endif
|
| 2362 |
+
|
| 2363 |
+
#include <systemc.h>
|
| 2364 |
+
|
| 2365 |
+
template <class T> SC_MODULE (driver){
|
| 2366 |
+
// Modulo de acionamento
|
| 2367 |
+
sc_fifo_out <T> acionamento;
|
| 2368 |
+
|
| 2369 |
+
// Constante para acionamento
|
| 2370 |
+
T cte;
|
| 2371 |
+
|
| 2372 |
+
// Funcionamento do driver
|
| 2373 |
+
void drive(){
|
| 2374 |
+
int contador = 0;
|
| 2375 |
+
|
| 2376 |
+
// Geracao de 0s para o acionamento do sistema
|
| 2377 |
+
while(contador < 3){
|
| 2378 |
+
acionamento.write(cte);
|
| 2379 |
+
cout << "Gerou um " << cte << endl;
|
| 2380 |
+
|
| 2381 |
+
contador++;
|
| 2382 |
+
}
|
| 2383 |
+
}
|
| 2384 |
+
|
| 2385 |
+
// Utilizando construtor de C++
|
| 2386 |
+
SC_HAS_PROCESS(driver);
|
| 2387 |
+
|
| 2388 |
+
driver (sc_module_name n, const T& c):
|
| 2389 |
+
sc_module(n), cte(c){
|
| 2390 |
+
SC_THREAD (drive);
|
| 2391 |
+
}
|
| 2392 |
+
};
|
| 2393 |
+
|
| 2394 |
+
#include "sistema.cpp"
|
| 2395 |
+
|
| 2396 |
+
int sc_main (int arc, char * argv[]){
|
| 2397 |
+
|
| 2398 |
+
// Instanciacao do sistema, definindo o tipo da matriz e do vetor
|
| 2399 |
+
sistema <int> sistema_instance("sistema_instance");
|
| 2400 |
+
|
| 2401 |
+
// Definindo a matriz
|
| 2402 |
+
// Coluna 1
|
| 2403 |
+
sistema_instance.mul1.matriz_in.write(1);
|
| 2404 |
+
sistema_instance.mul1.matriz_in.write(4);
|
| 2405 |
+
sistema_instance.mul1.matriz_in.write(7);
|
| 2406 |
+
|
| 2407 |
+
// Coluna 2
|
| 2408 |
+
sistema_instance.mul2.matriz_in.write(2);
|
| 2409 |
+
sistema_instance.mul2.matriz_in.write(5);
|
| 2410 |
+
sistema_instance.mul2.matriz_in.write(8);
|
| 2411 |
+
|
| 2412 |
+
// Coluna 3
|
| 2413 |
+
sistema_instance.mul3.matriz_in.write(3);
|
| 2414 |
+
sistema_instance.mul3.matriz_in.write(6);
|
| 2415 |
+
sistema_instance.mul3.matriz_in.write(9);
|
| 2416 |
+
// |1 2 3|
|
| 2417 |
+
// |4 5 6|
|
| 2418 |
+
// |7 8 9|
|
| 2419 |
+
|
| 2420 |
+
// Definindo o vetor
|
| 2421 |
+
sistema_instance.mul1.vetor_in.write(1);
|
| 2422 |
+
sistema_instance.mul2.vetor_in.write(2);
|
| 2423 |
+
sistema_instance.mul3.vetor_in.write(3);
|
| 2424 |
+
// (1)
|
| 2425 |
+
// (2)
|
| 2426 |
+
// (3)
|
| 2427 |
+
|
| 2428 |
+
sc_start();
|
| 2429 |
+
|
| 2430 |
+
return 0;
|
| 2431 |
+
}
|
| 2432 |
+
|
| 2433 |
+
#include "mul.cpp"
|
| 2434 |
+
|
| 2435 |
+
template <class T> SC_MODULE (monitor){
|
| 2436 |
+
// Modulo de exibicao
|
| 2437 |
+
sc_fifo_in <T> resultado;
|
| 2438 |
+
|
| 2439 |
+
// Funcionamento do Monitor
|
| 2440 |
+
void monitora(){
|
| 2441 |
+
int contador = 0;
|
| 2442 |
+
cout << endl << "Resultado" << endl;
|
| 2443 |
+
|
| 2444 |
+
while(true){
|
| 2445 |
+
// Imprime o vetor resultado
|
| 2446 |
+
T elemento = resultado.read();
|
| 2447 |
+
cout << "V" << contador << ": " << elemento << endl;
|
| 2448 |
+
contador++;
|
| 2449 |
+
}
|
| 2450 |
+
}
|
| 2451 |
+
|
| 2452 |
+
SC_CTOR (monitor){
|
| 2453 |
+
SC_THREAD (monitora);
|
| 2454 |
+
}
|
| 2455 |
+
|
| 2456 |
+
};
|
| 2457 |
+
|
| 2458 |
+
#include "driver.cpp"
|
| 2459 |
+
|
| 2460 |
+
template <class T> SC_MODULE (mul){
|
| 2461 |
+
// Entradas
|
| 2462 |
+
sc_signal <T> vetor_in;
|
| 2463 |
+
sc_fifo <T> matriz_in;
|
| 2464 |
+
sc_fifo_in <T> soma_in;
|
| 2465 |
+
|
| 2466 |
+
// Saidas
|
| 2467 |
+
sc_fifo_out <T> resultado_out;
|
| 2468 |
+
|
| 2469 |
+
// Funcionamento do modulo
|
| 2470 |
+
void opera(){
|
| 2471 |
+
while(true){
|
| 2472 |
+
// Resultado = Soma + Vetor * Matriz
|
| 2473 |
+
resultado_out.write((soma_in.read() + (vetor_in.read() * matriz_in.read())));
|
| 2474 |
+
}
|
| 2475 |
+
}
|
| 2476 |
+
|
| 2477 |
+
SC_CTOR (mul){
|
| 2478 |
+
SC_THREAD(opera);
|
| 2479 |
+
}
|
| 2480 |
+
|
| 2481 |
+
};
|
| 2482 |
+
|
| 2483 |
+
#include "monitor.cpp"
|
| 2484 |
+
|
| 2485 |
+
template <class T> SC_MODULE (sistema){
|
| 2486 |
+
// Instanciacao dos modulos a serem utilizados
|
| 2487 |
+
driver <T> driver_mul;
|
| 2488 |
+
mul <T> mul1;
|
| 2489 |
+
mul <T> mul2;
|
| 2490 |
+
mul <T> mul3;
|
| 2491 |
+
monitor <T> monitor_mul;
|
| 2492 |
+
|
| 2493 |
+
// FIFOs para conectar os modulos
|
| 2494 |
+
sc_fifo <T> driver_mul1;
|
| 2495 |
+
sc_fifo <T> mul1_mul2;
|
| 2496 |
+
sc_fifo <T> mul2_mul3;
|
| 2497 |
+
sc_fifo <T> mul3_monitor;
|
| 2498 |
+
|
| 2499 |
+
// Interconexao
|
| 2500 |
+
SC_CTOR (sistema): driver_mul("driver_mul", 0),
|
| 2501 |
+
mul1("mul1"),
|
| 2502 |
+
mul2("mul2"),
|
| 2503 |
+
mul3("mul3"),
|
| 2504 |
+
monitor_mul("monitor_mul"){
|
| 2505 |
+
|
| 2506 |
+
// Conectando o driver ao 1 mul
|
| 2507 |
+
driver_mul.acionamento(driver_mul1);
|
| 2508 |
+
mul1.soma_in(driver_mul1);
|
| 2509 |
+
|
| 2510 |
+
// Conectando o 1 mul ao 2 mul
|
| 2511 |
+
mul1.resultado_out(mul1_mul2);
|
| 2512 |
+
mul2.soma_in(mul1_mul2);
|
| 2513 |
+
|
| 2514 |
+
// Conectando o 2 mul ao 3 mul
|
| 2515 |
+
mul2.resultado_out(mul2_mul3);
|
| 2516 |
+
mul3.soma_in(mul2_mul3);
|
| 2517 |
+
|
| 2518 |
+
// Conectando o 3 mul ao monitor
|
| 2519 |
+
mul3.resultado_out(mul3_monitor);
|
| 2520 |
+
monitor_mul.resultado(mul3_monitor);
|
| 2521 |
+
}
|
| 2522 |
+
};
|
| 2523 |
+
|
| 2524 |
+
#include <systemc.h>
|
| 2525 |
+
#include "breg_if.h"
|
| 2526 |
+
|
| 2527 |
+
/*
|
| 2528 |
+
* Banco de registradores que implementa a interface breg_if, eh
|
| 2529 |
+
* utilizado na fase de EXECUTE.
|
| 2530 |
+
*/
|
| 2531 |
+
struct breg_risc: public sc_module, public breg_if {
|
| 2532 |
+
|
| 2533 |
+
// Leitura
|
| 2534 |
+
int16_t read_breg(uint16_t reg);
|
| 2535 |
+
// Escrita
|
| 2536 |
+
void write_breg(uint16_t reg, int16_t dado);
|
| 2537 |
+
// Impressao
|
| 2538 |
+
void dump_breg();
|
| 2539 |
+
|
| 2540 |
+
SC_HAS_PROCESS(breg_risc);
|
| 2541 |
+
|
| 2542 |
+
// Declaracao do breg
|
| 2543 |
+
breg_risc (sc_module_name n) :
|
| 2544 |
+
sc_module(n){
|
| 2545 |
+
breg = new int16_t[16];
|
| 2546 |
+
}
|
| 2547 |
+
|
| 2548 |
+
private:
|
| 2549 |
+
int16_t *breg;
|
| 2550 |
+
|
| 2551 |
+
};
|
| 2552 |
+
|
| 2553 |
+
#include <systemc.h>
|
| 2554 |
+
|
| 2555 |
+
// Interface do breg
|
| 2556 |
+
struct breg_if: public sc_interface {
|
| 2557 |
+
|
| 2558 |
+
// Leitura
|
| 2559 |
+
virtual
|
| 2560 |
+
int16_t read_breg(uint16_t reg) = 0;
|
| 2561 |
+
|
| 2562 |
+
// Escrita
|
| 2563 |
+
virtual
|
| 2564 |
+
void write_breg(uint16_t reg, int16_t dado) = 0;
|
| 2565 |
+
|
| 2566 |
+
// Impressao
|
| 2567 |
+
virtual
|
| 2568 |
+
void dump_breg() = 0;
|
| 2569 |
+
};
|
| 2570 |
+
|
| 2571 |
+
#include "fetch.h"
|
| 2572 |
+
|
| 2573 |
+
/*
|
| 2574 |
+
* Decodificacao de uma funcao.
|
| 2575 |
+
* - Acessa: contexto.
|
| 2576 |
+
* - Saida: op, regs, regs2, regd, const4, const8.
|
| 2577 |
+
*/
|
| 2578 |
+
SC_MODULE(decode){
|
| 2579 |
+
// Ponteiro para o contexto
|
| 2580 |
+
Contexto_t *c_decode;
|
| 2581 |
+
|
| 2582 |
+
// Entradas
|
| 2583 |
+
sc_fifo_in <Contexto_t*> decode_in;
|
| 2584 |
+
|
| 2585 |
+
// Saidas
|
| 2586 |
+
sc_fifo_out <Contexto_t*> decode_out;
|
| 2587 |
+
|
| 2588 |
+
// Definicao do funcionamento do decode
|
| 2589 |
+
void decoding();
|
| 2590 |
+
|
| 2591 |
+
SC_CTOR(decode){
|
| 2592 |
+
SC_THREAD(decoding);
|
| 2593 |
+
}
|
| 2594 |
+
};
|
| 2595 |
+
|
| 2596 |
+
#include "decode.h"
|
| 2597 |
+
|
| 2598 |
+
// Enumeracao que define os opcodes das instrucoes
|
| 2599 |
+
enum INSTRUCTIONS {
|
| 2600 |
+
i_ADD = 0x2,
|
| 2601 |
+
i_SUB = 0x3,
|
| 2602 |
+
i_ADDi = 0x8,
|
| 2603 |
+
i_SHIFT = 0x9,
|
| 2604 |
+
i_AND = 0x4,
|
| 2605 |
+
i_OR = 0x5,
|
| 2606 |
+
i_NOT = 0xA,
|
| 2607 |
+
i_XOR = 0x6,
|
| 2608 |
+
i_SLT = 0x7,
|
| 2609 |
+
i_LW = 0,
|
| 2610 |
+
i_SW = 0x1,
|
| 2611 |
+
i_LUI = 0xB,
|
| 2612 |
+
i_BEQ = 0xC,
|
| 2613 |
+
i_BLT = 0xD,
|
| 2614 |
+
i_J = 0xE,
|
| 2615 |
+
i_JAL = 0xF
|
| 2616 |
+
};
|
| 2617 |
+
|
| 2618 |
+
/*
|
| 2619 |
+
* Execucao de uma funcao.
|
| 2620 |
+
* - Acessa: breg, mem e contexto.
|
| 2621 |
+
* - Saida: breg, mem ou pc.
|
| 2622 |
+
*/
|
| 2623 |
+
SC_MODULE(execute){
|
| 2624 |
+
// Ponteiro para o contexto
|
| 2625 |
+
Contexto_t *c_execute;
|
| 2626 |
+
|
| 2627 |
+
// Entradas
|
| 2628 |
+
sc_fifo_in <Contexto_t*> execute_in;
|
| 2629 |
+
|
| 2630 |
+
// Saidas
|
| 2631 |
+
sc_fifo_out <Contexto_t*> execute_out;
|
| 2632 |
+
|
| 2633 |
+
// Memoria
|
| 2634 |
+
sc_port<mem_if> p_mem_ex;
|
| 2635 |
+
|
| 2636 |
+
// BREG
|
| 2637 |
+
sc_port<breg_if> p_breg_ex;
|
| 2638 |
+
|
| 2639 |
+
// Funcao para impressao do decode
|
| 2640 |
+
void debug_decode();
|
| 2641 |
+
|
| 2642 |
+
// Definicao do funcionamento do execute
|
| 2643 |
+
void executing();
|
| 2644 |
+
|
| 2645 |
+
SC_CTOR(execute){
|
| 2646 |
+
SC_THREAD(executing);
|
| 2647 |
+
}
|
| 2648 |
+
};
|
| 2649 |
+
|
| 2650 |
+
#include "fetch.h"
|
| 2651 |
+
|
| 2652 |
+
// Definicao do funcionamento do fetch
|
| 2653 |
+
void fetch::fetching(){
|
| 2654 |
+
while(true){
|
| 2655 |
+
// Pega o ponteiro do contexto
|
| 2656 |
+
c_fetch = fetch_in.read();
|
| 2657 |
+
|
| 2658 |
+
//// Pega a instrucao e incrementa o PC
|
| 2659 |
+
//ri = mem[pc];
|
| 2660 |
+
c_fetch->ri = p_mem_fetch->read_mem(c_fetch->pc);
|
| 2661 |
+
//pc++;
|
| 2662 |
+
c_fetch->pc++;
|
| 2663 |
+
|
| 2664 |
+
// Se nao possui mais instrucoes
|
| 2665 |
+
if(c_fetch->ri == 0){
|
| 2666 |
+
cout << "Nao possui mais instrucoes!" << endl;
|
| 2667 |
+
sc_stop();
|
| 2668 |
+
exit(0);
|
| 2669 |
+
}
|
| 2670 |
+
|
| 2671 |
+
// Passa o ponteiro do contexto para o decode
|
| 2672 |
+
fetch_out.write(c_fetch);
|
| 2673 |
+
}
|
| 2674 |
+
}
|
| 2675 |
+
|
| 2676 |
+
#include <systemc.h>
|
| 2677 |
+
#include "contexto.h"
|
| 2678 |
+
#include "mem.h"
|
| 2679 |
+
#include "breg.h"
|
| 2680 |
+
|
| 2681 |
+
/*
|
| 2682 |
+
* Decodificacao de uma funcao.
|
| 2683 |
+
* - Acessa: mem e contexto.
|
| 2684 |
+
* - Saida: ri e pc.
|
| 2685 |
+
*/
|
| 2686 |
+
SC_MODULE(fetch){
|
| 2687 |
+
// Contexto
|
| 2688 |
+
Contexto_t *c_fetch;
|
| 2689 |
+
|
| 2690 |
+
// Entradas
|
| 2691 |
+
sc_fifo_in <Contexto_t*> fetch_in;
|
| 2692 |
+
|
| 2693 |
+
// Saidas
|
| 2694 |
+
sc_fifo_out <Contexto_t*> fetch_out;
|
| 2695 |
+
|
| 2696 |
+
// Memoria
|
| 2697 |
+
sc_port<mem_if> p_mem_fetch;
|
| 2698 |
+
|
| 2699 |
+
// Definicao do funcionamento do fetch
|
| 2700 |
+
void fetching();
|
| 2701 |
+
|
| 2702 |
+
SC_CTOR(fetch){
|
| 2703 |
+
SC_THREAD(fetching);
|
| 2704 |
+
}
|
| 2705 |
+
};
|
| 2706 |
+
|
| 2707 |
+
// Variavel para definicao do modelo implementado, sendo:
|
| 2708 |
+
// - 0 para Modelo com threads e eventos
|
| 2709 |
+
// - 1 para Modelo com módulos interligados por filas bloqueantes
|
| 2710 |
+
#define MODELO 1
|
| 2711 |
+
|
| 2712 |
+
#if MODELO == 0
|
| 2713 |
+
#include "stdarg.h"
|
| 2714 |
+
#include "risc16.h"
|
| 2715 |
+
|
| 2716 |
+
#else
|
| 2717 |
+
#include "stdarg.h"
|
| 2718 |
+
#include "top.h"
|
| 2719 |
+
|
| 2720 |
+
#endif
|
| 2721 |
+
|
| 2722 |
+
// Enumeracao que representa o formato da instrucao
|
| 2723 |
+
enum i_FORMAT {
|
| 2724 |
+
TIPO_R=4, TIPO_I=3, TIPO_J=2
|
| 2725 |
+
};
|
| 2726 |
+
|
| 2727 |
+
// Funcao para geracao de instrucoes na memoria
|
| 2728 |
+
short gerainst(int n, ...) {
|
| 2729 |
+
short inst = 0;
|
| 2730 |
+
|
| 2731 |
+
va_list ap;
|
| 2732 |
+
|
| 2733 |
+
va_start(ap, n);
|
| 2734 |
+
|
| 2735 |
+
switch (n) {
|
| 2736 |
+
case TIPO_R:
|
| 2737 |
+
inst |= (va_arg(ap, int ) & 0xF) << 12;
|
| 2738 |
+
inst |= (va_arg(ap, int ) & 0xF) << 8;
|
| 2739 |
+
inst |= (va_arg(ap, int ) & 0xF) << 4;
|
| 2740 |
+
inst |= (va_arg(ap, int ) & 0xF);
|
| 2741 |
+
break;
|
| 2742 |
+
case TIPO_I:
|
| 2743 |
+
inst |= (va_arg(ap, int ) & 0xF) << 12;
|
| 2744 |
+
inst |= (va_arg(ap, int ) & 0xF) << 8;
|
| 2745 |
+
inst |= (va_arg(ap, int ) & 0xF) << 4;
|
| 2746 |
+
inst |= (va_arg(ap, int ) & 0xF);
|
| 2747 |
+
break;
|
| 2748 |
+
case TIPO_J:
|
| 2749 |
+
inst |= (va_arg(ap, int ) & 0xF) << 12;
|
| 2750 |
+
inst |= (va_arg(ap, int ) & 0xF) << 8;
|
| 2751 |
+
inst |= (va_arg(ap, int ) & 0xFF);
|
| 2752 |
+
break;
|
| 2753 |
+
default:
|
| 2754 |
+
break;
|
| 2755 |
+
}
|
| 2756 |
+
return inst;
|
| 2757 |
+
}
|
| 2758 |
+
|
| 2759 |
+
|
| 2760 |
+
int sc_main (int arc, char * argv[]){
|
| 2761 |
+
|
| 2762 |
+
#if MODELO == 0
|
| 2763 |
+
|
| 2764 |
+
////// Instanciacao do risc16
|
| 2765 |
+
risc16 risc16_instance("risc16_instance");
|
| 2766 |
+
|
| 2767 |
+
cout << "|||||||||||||Modelo com Eventos|||||||||||||" << endl;
|
| 2768 |
+
|
| 2769 |
+
////// Escrevendo instrucoes na memoria
|
| 2770 |
+
//// Aritmeticas
|
| 2771 |
+
/* addi $1, 0 */
|
| 2772 |
+
// Resultado esperado => reg1 += 0
|
| 2773 |
+
risc16_instance.write_mem(0,gerainst(TIPO_J, i_ADDi, 1, 0));
|
| 2774 |
+
|
| 2775 |
+
/* addi $1, 8 */
|
| 2776 |
+
// Resultado esperado => reg1 += 8
|
| 2777 |
+
risc16_instance.write_mem(1,gerainst(TIPO_J, i_ADDi, 1, 8));
|
| 2778 |
+
|
| 2779 |
+
/* addi $2, -12 */
|
| 2780 |
+
// Resultado esperado => reg2 -= 12
|
| 2781 |
+
risc16_instance.write_mem(2,gerainst(TIPO_J, i_ADDi, 2, -12));
|
| 2782 |
+
|
| 2783 |
+
/* add $3, $2, $1 */
|
| 2784 |
+
// Resultado esperado => reg3 = reg2 + reg1
|
| 2785 |
+
risc16_instance.write_mem(3,gerainst(TIPO_R, i_ADD, 1, 2, 3));
|
| 2786 |
+
|
| 2787 |
+
/* sub $4, $2, $3 */
|
| 2788 |
+
// Resultado esperado => reg4 = reg2 - reg3
|
| 2789 |
+
risc16_instance.write_mem(4,gerainst(TIPO_R, i_SUB, 2, 3, 4));
|
| 2790 |
+
|
| 2791 |
+
/* add $5, $0, $1 */
|
| 2792 |
+
// Resultado esperado => reg5 = reg1
|
| 2793 |
+
risc16_instance.write_mem(5,gerainst(TIPO_R, i_ADD, 1, 0, 5));
|
| 2794 |
+
|
| 2795 |
+
/* shift $5, 2 */
|
| 2796 |
+
// Resultado esperado => reg5 >> 2
|
| 2797 |
+
risc16_instance.write_mem(6,gerainst(TIPO_J, i_SHIFT, 5, 2));
|
| 2798 |
+
|
| 2799 |
+
/* add $6, $0, $1 */
|
| 2800 |
+
// Resultado esperado => reg6 = reg1
|
| 2801 |
+
risc16_instance.write_mem(7,gerainst(TIPO_R, i_ADD, 1, 0, 6));
|
| 2802 |
+
|
| 2803 |
+
/* shift $6, -4 */
|
| 2804 |
+
// Resultado esperado => reg6 << 4
|
| 2805 |
+
risc16_instance.write_mem(8,gerainst(TIPO_J, i_SHIFT, 6, -4));
|
| 2806 |
+
|
| 2807 |
+
//// Logicas
|
| 2808 |
+
/* and $8, $7, $4 */
|
| 2809 |
+
// Resultado esperado => reg8 = reg7 & reg4
|
| 2810 |
+
risc16_instance.write_mem(9,gerainst(TIPO_R, i_AND, 4, 7, 8));
|
| 2811 |
+
|
| 2812 |
+
/* not $9 */
|
| 2813 |
+
// Resultado esperado => reg9 = ~reg9
|
| 2814 |
+
risc16_instance.write_mem(10,gerainst(TIPO_J, i_NOT, 9, 0, 0));
|
| 2815 |
+
|
| 2816 |
+
/* xor $10, $4, $7 */
|
| 2817 |
+
// Resultado esperado => reg10 = reg4 ^ reg7
|
| 2818 |
+
risc16_instance.write_mem(11,gerainst(TIPO_R, i_XOR, 4, 7, 10));
|
| 2819 |
+
|
| 2820 |
+
/* slt $11, $5, $1 */
|
| 2821 |
+
// Resultado esperado => reg11 = reg5<reg1 ? 1 : 0
|
| 2822 |
+
risc16_instance.write_mem(12,gerainst(TIPO_R, i_SLT, 5, 1, 11));
|
| 2823 |
+
|
| 2824 |
+
//// Transferencia
|
| 2825 |
+
/* lui $7, FF */
|
| 2826 |
+
// Resultado esperado => reg7 = const8 << 8
|
| 2827 |
+
risc16_instance.write_mem(13,gerainst(TIPO_J, i_LUI, 7, 0xFF));
|
| 2828 |
+
|
| 2829 |
+
/* sw $5, $0, $6 */
|
| 2830 |
+
// Resultado esperado => salva o que esta em $5 no endereco que esta em $6 da memoria
|
| 2831 |
+
risc16_instance.write_mem(14,gerainst(TIPO_R, i_SW, 6, 0, 5));
|
| 2832 |
+
|
| 2833 |
+
/* lw $12, $0, $6 */
|
| 2834 |
+
// Resultado esperado => carrega em $12 o que esta no endereco que esta em $6 da memoria
|
| 2835 |
+
risc16_instance.write_mem(15,gerainst(TIPO_R, i_LW, 6, 0, 12));
|
| 2836 |
+
|
| 2837 |
+
//// Saltos
|
| 2838 |
+
/* jal 20 */
|
| 2839 |
+
// Resultado esperado => PC = 20
|
| 2840 |
+
risc16_instance.write_mem(16,gerainst(TIPO_J, i_JAL, 0, 20));
|
| 2841 |
+
|
| 2842 |
+
/* j 30 */
|
| 2843 |
+
// Resultado esperado => PC = 30
|
| 2844 |
+
risc16_instance.write_mem(20,gerainst(TIPO_J, i_J, 0, 30));
|
| 2845 |
+
|
| 2846 |
+
/* beq $0, $8, 5 */
|
| 2847 |
+
// Resultado esperado => reg8 == reg0 ? PC += 5 : PC += 1 => PC = 36
|
| 2848 |
+
risc16_instance.write_mem(30,gerainst(TIPO_I, i_BEQ, 8, 0, 5));
|
| 2849 |
+
|
| 2850 |
+
/* blt $0, $1, 5 */
|
| 2851 |
+
// Resultado esperado => reg0 < reg1 ? PC += 5 : PC += 1 => PC = 42
|
| 2852 |
+
risc16_instance.write_mem(36,gerainst(TIPO_I, i_BLT, 0, 1, 5));
|
| 2853 |
+
|
| 2854 |
+
////// Execucao
|
| 2855 |
+
sc_start();
|
| 2856 |
+
risc16_instance.start();
|
| 2857 |
+
|
| 2858 |
+
#else
|
| 2859 |
+
|
| 2860 |
+
////// Instanciacao do top
|
| 2861 |
+
top top_instance("top_instance");
|
| 2862 |
+
|
| 2863 |
+
cout << "|||||||||||||Modelo com Modulos e Filas Bloqueantes|||||||||||||" << endl;
|
| 2864 |
+
|
| 2865 |
+
////// Contexto inicial
|
| 2866 |
+
Contexto_t *contexto = (Contexto_t*)malloc(sizeof(Contexto_t));
|
| 2867 |
+
contexto->pc = 0;
|
| 2868 |
+
top_instance.execute_fetch.write(contexto);
|
| 2869 |
+
|
| 2870 |
+
////// Escrevendo instrucoes na memoria (mesmas do caso risc16)
|
| 2871 |
+
//// Aritmeticas
|
| 2872 |
+
/* addi $1, 0 */
|
| 2873 |
+
top_instance.memoria.write_mem(0, gerainst(TIPO_J, i_ADDi, 1, 0));
|
| 2874 |
+
|
| 2875 |
+
/* addi $1, 8 */
|
| 2876 |
+
top_instance.memoria.write_mem(1,gerainst(TIPO_J, i_ADDi, 1, 8));
|
| 2877 |
+
|
| 2878 |
+
/* addi $2, -12 */
|
| 2879 |
+
top_instance.memoria.write_mem(2,gerainst(TIPO_J, i_ADDi, 2, -12));
|
| 2880 |
+
|
| 2881 |
+
/* add $3, $2, $1 */
|
| 2882 |
+
top_instance.memoria.write_mem(3,gerainst(TIPO_R, i_ADD, 1, 2, 3));
|
| 2883 |
+
|
| 2884 |
+
/* sub $4, $2, $3 */
|
| 2885 |
+
top_instance.memoria.write_mem(4,gerainst(TIPO_R, i_SUB, 2, 3, 4));
|
| 2886 |
+
|
| 2887 |
+
/* add $5, $0, $1 */
|
| 2888 |
+
top_instance.memoria.write_mem(5,gerainst(TIPO_R, i_ADD, 1, 0, 5));
|
| 2889 |
+
|
| 2890 |
+
/* shift $5, 2 */
|
| 2891 |
+
top_instance.memoria.write_mem(6,gerainst(TIPO_J, i_SHIFT, 5, 2));
|
| 2892 |
+
|
| 2893 |
+
/* add $6, $0, $1 */
|
| 2894 |
+
top_instance.memoria.write_mem(7,gerainst(TIPO_R, i_ADD, 1, 0, 6));
|
| 2895 |
+
|
| 2896 |
+
/* shift $6, -4 */
|
| 2897 |
+
top_instance.memoria.write_mem(8,gerainst(TIPO_J, i_SHIFT, 6, -4));
|
| 2898 |
+
|
| 2899 |
+
//// Logicas
|
| 2900 |
+
/* and $8, $7, $4 */
|
| 2901 |
+
top_instance.memoria.write_mem(9,gerainst(TIPO_R, i_AND, 4, 7, 8));
|
| 2902 |
+
|
| 2903 |
+
/* not $9 */
|
| 2904 |
+
top_instance.memoria.write_mem(10,gerainst(TIPO_J, i_NOT, 9, 0, 0));
|
| 2905 |
+
|
| 2906 |
+
/* xor $10, $4, $7 */
|
| 2907 |
+
top_instance.memoria.write_mem(11,gerainst(TIPO_R, i_XOR, 4, 7, 10));
|
| 2908 |
+
|
| 2909 |
+
/* slt $11, $5, $1 */
|
| 2910 |
+
top_instance.memoria.write_mem(12,gerainst(TIPO_R, i_SLT, 5, 1, 11));
|
| 2911 |
+
|
| 2912 |
+
//// Transferencia
|
| 2913 |
+
/* lui $7, FF */
|
| 2914 |
+
top_instance.memoria.write_mem(13,gerainst(TIPO_J, i_LUI, 7, 0xFF));
|
| 2915 |
+
|
| 2916 |
+
/* sw $5, $0, $6 */
|
| 2917 |
+
top_instance.memoria.write_mem(14,gerainst(TIPO_R, i_SW, 6, 0, 5));
|
| 2918 |
+
|
| 2919 |
+
/* lw $12, $0, $6 */
|
| 2920 |
+
top_instance.memoria.write_mem(15,gerainst(TIPO_R, i_LW, 6, 0, 12));
|
| 2921 |
+
|
| 2922 |
+
//// Saltos
|
| 2923 |
+
/* jal 20 */
|
| 2924 |
+
top_instance.memoria.write_mem(16,gerainst(TIPO_J, i_JAL, 0, 20));
|
| 2925 |
+
|
| 2926 |
+
/* j 30 */
|
| 2927 |
+
top_instance.memoria.write_mem(20,gerainst(TIPO_J, i_J, 0, 30));
|
| 2928 |
+
|
| 2929 |
+
/* beq $0, $8, 5 */
|
| 2930 |
+
top_instance.memoria.write_mem(30,gerainst(TIPO_I, i_BEQ, 8, 0, 5));
|
| 2931 |
+
|
| 2932 |
+
/* blt $0, $1, 5 */
|
| 2933 |
+
top_instance.memoria.write_mem(36,gerainst(TIPO_I, i_BLT, 0, 1, 5));
|
| 2934 |
+
|
| 2935 |
+
////// Execucao
|
| 2936 |
+
sc_start();
|
| 2937 |
+
|
| 2938 |
+
#endif
|
| 2939 |
+
|
| 2940 |
+
return 0;
|
| 2941 |
+
}
|
| 2942 |
+
|
| 2943 |
+
#include <systemc.h>
|
| 2944 |
+
#include "mem_if.h"
|
| 2945 |
+
|
| 2946 |
+
/*
|
| 2947 |
+
* Memoria que implementa a interface mem_if, eh
|
| 2948 |
+
* utilizada nas fases de FETCH e EXECUTE.
|
| 2949 |
+
*/
|
| 2950 |
+
struct mem_risc: public sc_module, public mem_if {
|
| 2951 |
+
|
| 2952 |
+
// Leitura
|
| 2953 |
+
int16_t read_mem(uint16_t endereco);
|
| 2954 |
+
// Escrita
|
| 2955 |
+
void write_mem(uint16_t endereco, int16_t dado);
|
| 2956 |
+
// Impressao
|
| 2957 |
+
void dump_mem(uint16_t inicio, uint16_t fim, char formato);
|
| 2958 |
+
|
| 2959 |
+
SC_HAS_PROCESS(mem_risc);
|
| 2960 |
+
|
| 2961 |
+
// Declaracao da memoria
|
| 2962 |
+
mem_risc (sc_module_name n, uint16_t tam) :
|
| 2963 |
+
sc_module(n), tamanho(tam){
|
| 2964 |
+
mem = new int16_t[tamanho];
|
| 2965 |
+
}
|
| 2966 |
+
|
| 2967 |
+
private:
|
| 2968 |
+
int16_t *mem;
|
| 2969 |
+
uint16_t tamanho;
|
| 2970 |
+
|
| 2971 |
+
};
|
| 2972 |
+
|
| 2973 |
+
#include <systemc.h>
|
| 2974 |
+
|
| 2975 |
+
// Interface da memoria
|
| 2976 |
+
struct mem_if: public sc_interface {
|
| 2977 |
+
|
| 2978 |
+
// Leitura
|
| 2979 |
+
virtual
|
| 2980 |
+
int16_t read_mem(uint16_t endereco) = 0;
|
| 2981 |
+
|
| 2982 |
+
// Escrita
|
| 2983 |
+
virtual
|
| 2984 |
+
void write_mem(uint16_t endereco, int16_t dado) = 0;
|
| 2985 |
+
|
| 2986 |
+
// Impressao
|
| 2987 |
+
virtual
|
| 2988 |
+
void dump_mem(uint16_t inicio, uint16_t fim, char formato) = 0;
|
| 2989 |
+
};
|
| 2990 |
+
|
| 2991 |
+
#include "risc16.h"
|
| 2992 |
+
|
| 2993 |
+
// Funcao que inicializa o funcionamento do risc16
|
| 2994 |
+
void risc16::start(){
|
| 2995 |
+
wait(SC_ZERO_TIME);
|
| 2996 |
+
pc = 0;
|
| 2997 |
+
execute_ev.notify();
|
| 2998 |
+
}
|
| 2999 |
+
|
| 3000 |
+
// Busca de uma instrucao
|
| 3001 |
+
void risc16::fetch() {
|
| 3002 |
+
while(true){
|
| 3003 |
+
wait(execute_ev);
|
| 3004 |
+
|
| 3005 |
+
// Pega a instrucao e incrementa o PC
|
| 3006 |
+
ri = mem[pc];
|
| 3007 |
+
pc++;
|
| 3008 |
+
|
| 3009 |
+
// Se nao possui mais instrucoes
|
| 3010 |
+
if(ri == 0){
|
| 3011 |
+
cout << "Nao possui mais instrucoes!" << endl;
|
| 3012 |
+
sc_stop();
|
| 3013 |
+
exit(0);
|
| 3014 |
+
}
|
| 3015 |
+
|
| 3016 |
+
fetch_ev.notify();
|
| 3017 |
+
}
|
| 3018 |
+
}
|
| 3019 |
+
|
| 3020 |
+
// Decodificacao de uma instrucao
|
| 3021 |
+
void risc16::decode() {
|
| 3022 |
+
while(true){
|
| 3023 |
+
wait(fetch_ev);
|
| 3024 |
+
|
| 3025 |
+
// Preenchendo os campos de acordo com o RI
|
| 3026 |
+
op = (ri >> 12) & 0xF;
|
| 3027 |
+
regs = (ri >> 8) & 0xF;
|
| 3028 |
+
regs2 = (ri >> 4) & 0xF;
|
| 3029 |
+
regd = ri & 0xF;
|
| 3030 |
+
const4 = (ri & 0x8)?(0xFFF0 | regd) : regd;
|
| 3031 |
+
const8 = (char) (ri & 0xFF);
|
| 3032 |
+
|
| 3033 |
+
|
| 3034 |
+
|
| 3035 |
+
decode_ev.notify();
|
| 3036 |
+
}
|
| 3037 |
+
}
|
| 3038 |
+
|
| 3039 |
+
// Execucao de uma instrucao
|
| 3040 |
+
void risc16::execute() {
|
| 3041 |
+
while(true){
|
| 3042 |
+
wait(decode_ev);
|
| 3043 |
+
|
| 3044 |
+
switch (op) {
|
| 3045 |
+
//// Aritmeticas
|
| 3046 |
+
// R
|
| 3047 |
+
case i_ADD: breg[regd] = breg[regs] + breg[regs2];
|
| 3048 |
+
break;
|
| 3049 |
+
// R
|
| 3050 |
+
case i_SUB: breg[regd] = breg[regs] - breg[regs2];
|
| 3051 |
+
break;
|
| 3052 |
+
// J
|
| 3053 |
+
case i_ADDi: breg[regs] = breg[regs] + const8;
|
| 3054 |
+
break;
|
| 3055 |
+
// J
|
| 3056 |
+
case i_SHIFT: if (const8 < 0)
|
| 3057 |
+
breg[regs] = breg[regs] << (-const8);
|
| 3058 |
+
else
|
| 3059 |
+
breg[regs] = breg[regs] >> const8;
|
| 3060 |
+
break;
|
| 3061 |
+
|
| 3062 |
+
//// Logicas
|
| 3063 |
+
// R
|
| 3064 |
+
case i_AND: breg[regd] = breg[regs] & breg[regs2];
|
| 3065 |
+
break;
|
| 3066 |
+
// R
|
| 3067 |
+
case i_OR : breg[regd] = breg[regs] | breg[regs2];
|
| 3068 |
+
break;
|
| 3069 |
+
// R
|
| 3070 |
+
case i_XOR: breg[regd] = breg[regs] ^ breg[regs2];
|
| 3071 |
+
break;
|
| 3072 |
+
// J
|
| 3073 |
+
case i_NOT: breg[regs] = ~breg[regs];
|
| 3074 |
+
break;
|
| 3075 |
+
// R
|
| 3076 |
+
case i_SLT: breg[regd] = breg[regs] < breg[regs2];
|
| 3077 |
+
break;
|
| 3078 |
+
|
| 3079 |
+
//// Transferencia
|
| 3080 |
+
// R
|
| 3081 |
+
case i_LW: cout << "Mem:" << endl;
|
| 3082 |
+
dump_mem(breg[regs]+breg[regs2],breg[regs]+breg[regs2],'H');
|
| 3083 |
+
|
| 3084 |
+
breg[regd] = mem[breg[regs] + breg[regs2]];
|
| 3085 |
+
break;
|
| 3086 |
+
|
| 3087 |
+
// R
|
| 3088 |
+
case i_SW: cout << "Mem antes:" << endl;
|
| 3089 |
+
dump_mem(breg[regs]+breg[regs2],breg[regs]+breg[regs2],'H');
|
| 3090 |
+
|
| 3091 |
+
mem[breg[regs] + breg[regs2]] = breg[regd];
|
| 3092 |
+
|
| 3093 |
+
cout << "Mem depois:" << endl;
|
| 3094 |
+
dump_mem(breg[regs]+breg[regs2],breg[regs]+breg[regs2],'H');
|
| 3095 |
+
break;
|
| 3096 |
+
|
| 3097 |
+
// J
|
| 3098 |
+
case i_LUI: breg[regs] = const8 << 8;
|
| 3099 |
+
break;
|
| 3100 |
+
|
| 3101 |
+
//// Desvios
|
| 3102 |
+
// I
|
| 3103 |
+
case i_BEQ: if (breg[regs] == breg[regs2]){
|
| 3104 |
+
debug_decode();
|
| 3105 |
+
cout << endl;
|
| 3106 |
+
pc = pc + const4;
|
| 3107 |
+
}
|
| 3108 |
+
break;
|
| 3109 |
+
|
| 3110 |
+
// I
|
| 3111 |
+
case i_BLT: if (breg[regs] < breg[regs2]){
|
| 3112 |
+
debug_decode();
|
| 3113 |
+
cout << endl;
|
| 3114 |
+
pc = pc + const4;
|
| 3115 |
+
}
|
| 3116 |
+
break;
|
| 3117 |
+
|
| 3118 |
+
// J
|
| 3119 |
+
case i_J:
|
| 3120 |
+
debug_decode();
|
| 3121 |
+
cout << endl;
|
| 3122 |
+
pc = breg[regs] + const8;
|
| 3123 |
+
break;
|
| 3124 |
+
|
| 3125 |
+
// J
|
| 3126 |
+
case i_JAL:
|
| 3127 |
+
debug_decode();
|
| 3128 |
+
cout << endl;
|
| 3129 |
+
breg[16] = pc;
|
| 3130 |
+
pc = breg[regs] + const8;
|
| 3131 |
+
break;
|
| 3132 |
+
}
|
| 3133 |
+
|
| 3134 |
+
// Endereco 0 do breg nao pode ser escrito
|
| 3135 |
+
breg[0] = 0;
|
| 3136 |
+
|
| 3137 |
+
debug_decode();
|
| 3138 |
+
dump_breg();
|
| 3139 |
+
cout << endl;
|
| 3140 |
+
|
| 3141 |
+
execute_ev.notify();
|
| 3142 |
+
}
|
| 3143 |
+
}
|
| 3144 |
+
|
| 3145 |
+
// Impressao do breg
|
| 3146 |
+
void risc16::dump_breg() {
|
| 3147 |
+
for (int i=0; i<=16; i++) {
|
| 3148 |
+
printf("BREG[%2d] = \t%4d \t\t\t%x\n", i, breg[i], breg[i]);
|
| 3149 |
+
}
|
| 3150 |
+
}
|
| 3151 |
+
|
| 3152 |
+
// Impressao apos a fase de decode
|
| 3153 |
+
void risc16::debug_decode() {
|
| 3154 |
+
cout << "MEM[" << pc-1 << "]" << endl;
|
| 3155 |
+
cout << "PC = " << pc << endl;
|
| 3156 |
+
cout << "op = " << op
|
| 3157 |
+
<< " regs = " << regs
|
| 3158 |
+
<< " regs2 = " << regs2
|
| 3159 |
+
<< " regd = " << regd
|
| 3160 |
+
<< " const4 = " << const4
|
| 3161 |
+
<< " const8 = " << const8 << endl;
|
| 3162 |
+
}
|
| 3163 |
+
|
| 3164 |
+
// Impressao da memoria
|
| 3165 |
+
void risc16::dump_mem(uint16_t inicio, uint16_t fim, char formato) {
|
| 3166 |
+
switch (formato) {
|
| 3167 |
+
case 'h':
|
| 3168 |
+
case 'H':
|
| 3169 |
+
for (uint16_t i = inicio; i <= fim; i++)
|
| 3170 |
+
printf("%x \t%x\n", i, mem[i]);
|
| 3171 |
+
break;
|
| 3172 |
+
|
| 3173 |
+
case 'd':
|
| 3174 |
+
case 'D':
|
| 3175 |
+
for (uint16_t i = inicio; i <= fim; i++)
|
| 3176 |
+
printf("%x \t%d\n", i, mem[i]);
|
| 3177 |
+
break;
|
| 3178 |
+
|
| 3179 |
+
default:
|
| 3180 |
+
break;
|
| 3181 |
+
}
|
| 3182 |
+
}
|
| 3183 |
+
|
| 3184 |
+
// Escrita na memoria
|
| 3185 |
+
void risc16::write_mem(uint16_t endereco, int16_t dado) {
|
| 3186 |
+
mem[endereco] = dado;
|
| 3187 |
+
}
|
| 3188 |
+
|
| 3189 |
+
#include <stdlib.h>
|
| 3190 |
+
#include <stdio.h>
|
| 3191 |
+
#include <iostream>
|
| 3192 |
+
#include <systemc.h>
|
| 3193 |
+
|
| 3194 |
+
// Tamanho maximo da memoria
|
| 3195 |
+
const short MAX_MEM=1024;
|
| 3196 |
+
|
| 3197 |
+
// Enumeracao que define os opcodes das instrucoes
|
| 3198 |
+
enum INSTRUCTIONS {
|
| 3199 |
+
i_ADD = 0x2,
|
| 3200 |
+
i_SUB = 0x3,
|
| 3201 |
+
i_ADDi = 0x8,
|
| 3202 |
+
i_SHIFT = 0x9,
|
| 3203 |
+
i_AND = 0x4,
|
| 3204 |
+
i_OR = 0x5,
|
| 3205 |
+
i_NOT = 0xA,
|
| 3206 |
+
i_XOR = 0x6,
|
| 3207 |
+
i_SLT = 0x7,
|
| 3208 |
+
i_LW = 0,
|
| 3209 |
+
i_SW = 0x1,
|
| 3210 |
+
i_LUI = 0xB,
|
| 3211 |
+
i_BEQ = 0xC,
|
| 3212 |
+
i_BLT = 0xD,
|
| 3213 |
+
i_J = 0xE,
|
| 3214 |
+
i_JAL = 0xF
|
| 3215 |
+
};
|
| 3216 |
+
|
| 3217 |
+
// Definicao do risc16
|
| 3218 |
+
SC_MODULE (risc16){
|
| 3219 |
+
|
| 3220 |
+
// Funcoes para o funcionamento
|
| 3221 |
+
void start();
|
| 3222 |
+
void fetch();
|
| 3223 |
+
void decode();
|
| 3224 |
+
void execute();
|
| 3225 |
+
|
| 3226 |
+
// Funcoes auxiliares para debug/impressao
|
| 3227 |
+
void dump_breg();
|
| 3228 |
+
void debug_decode();
|
| 3229 |
+
void dump_mem(uint16_t inicio, uint16_t fim, char formato);
|
| 3230 |
+
void write_mem(uint16_t endereco, int16_t dado);
|
| 3231 |
+
|
| 3232 |
+
// Threads utilizadas no funcionamento do risc16
|
| 3233 |
+
SC_CTOR (risc16){
|
| 3234 |
+
breg = new int16_t[16];
|
| 3235 |
+
mem = new int16_t[MAX_MEM];
|
| 3236 |
+
SC_THREAD(start);
|
| 3237 |
+
SC_THREAD(fetch);
|
| 3238 |
+
SC_THREAD(decode);
|
| 3239 |
+
SC_THREAD(execute);
|
| 3240 |
+
}
|
| 3241 |
+
|
| 3242 |
+
private:
|
| 3243 |
+
// Componentes do risc16
|
| 3244 |
+
uint16_t pc, ri;
|
| 3245 |
+
uint16_t op, regs, regs2, regd;
|
| 3246 |
+
int16_t const8, const4;
|
| 3247 |
+
int16_t *breg;
|
| 3248 |
+
int16_t *mem;
|
| 3249 |
+
|
| 3250 |
+
// Eventos para a sincronizacao
|
| 3251 |
+
sc_event fetch_ev, decode_ev, execute_ev;
|
| 3252 |
+
|
| 3253 |
+
};
|
| 3254 |
+
|
| 3255 |
+
#include <systemc.h>
|
| 3256 |
+
#include "execute.h"
|
| 3257 |
+
|
| 3258 |
+
/*
|
| 3259 |
+
* Instanciacao do risc, interconectando os componentes.
|
| 3260 |
+
*/
|
| 3261 |
+
SC_MODULE(top){
|
| 3262 |
+
//// Instanciacoes
|
| 3263 |
+
|
| 3264 |
+
// MEM
|
| 3265 |
+
mem_risc memoria;
|
| 3266 |
+
|
| 3267 |
+
// BREG
|
| 3268 |
+
breg_risc banco_registradores;
|
| 3269 |
+
|
| 3270 |
+
// Filas
|
| 3271 |
+
sc_fifo <Contexto_t*> fetch_decode;
|
| 3272 |
+
sc_fifo <Contexto_t*> decode_execute;
|
| 3273 |
+
sc_fifo <Contexto_t*> execute_fetch;
|
| 3274 |
+
|
| 3275 |
+
// Componentes
|
| 3276 |
+
fetch fetcher;
|
| 3277 |
+
decode decoder;
|
| 3278 |
+
execute executer;
|
| 3279 |
+
|
| 3280 |
+
SC_CTOR(top): memoria("memoria", 1024),
|
| 3281 |
+
banco_registradores("banco_registradores"),
|
| 3282 |
+
fetcher("fetcher"),
|
| 3283 |
+
decoder("decoder"),
|
| 3284 |
+
executer("executer"){
|
| 3285 |
+
|
| 3286 |
+
//// Conexoes
|
| 3287 |
+
|
| 3288 |
+
// Fetch -> Decode
|
| 3289 |
+
fetcher.fetch_out(fetch_decode);
|
| 3290 |
+
decoder.decode_in(fetch_decode);
|
| 3291 |
+
|
| 3292 |
+
// Decode -> Execute
|
| 3293 |
+
decoder.decode_out(decode_execute);
|
| 3294 |
+
executer.execute_in(decode_execute);
|
| 3295 |
+
|
| 3296 |
+
// Execute -> Fetch
|
| 3297 |
+
executer.execute_out(execute_fetch);
|
| 3298 |
+
fetcher.fetch_in(execute_fetch);
|
| 3299 |
+
|
| 3300 |
+
// Memoria
|
| 3301 |
+
fetcher.p_mem_fetch(memoria);
|
| 3302 |
+
executer.p_mem_ex(memoria);
|
| 3303 |
+
|
| 3304 |
+
// BREG
|
| 3305 |
+
executer.p_breg_ex(banco_registradores);
|
| 3306 |
+
}
|
| 3307 |
+
};
|