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matthewdelorenzo
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systemc-code-database-new

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** HANDLE ACCELERATOR CALLS
*/
if(exe_next_call.read()){
call.write(1);
pc_prev_addr = (pc_prev_addr.read());
wait(micro_acc_ev);
pc_prev_addr = (pc_prev_addr.read()) + 1;
}
}
}
void pcInc (){
// increment the pc
tmp_pc_prev_addr = pc_prev_addr.read();
pc_prev_addr = ++tmp_pc_prev_addr;
}
void decode (){
/*
** split next instruction to the corresponding signals (Instruction Decode)
*/
tmp = ir_inst.read();
opcode = tmp.range(19, 16);
opselect = tmp.range(3, 0);
rd = tmp.range(15, 13);
rs = tmp.range(12, 10);
rt = tmp.range(9, 7);
sa = tmp.range(6, 4);
offset = (sc_int<13>) tmp.range(12, 0);
}
void ImmTo8bits (){
/*
** Mux 8 for immediate or B
*/
tmp_id_next_Imm = offset.read();
id_nex_imm_8bits = (tmp_id_next_Imm.range(7, 0));
}
void busAccess (){
/*
** ACCESS MEM. VIA BUS
*/
wb_prev_mem_data = mem_data.read();
mem_addr = (sc_uint<13>) id_next_Imm.read();
read.write(exe_next_r.read());
write.write(exe_next_w.read());
addr.write(mem_addr.read());
data.write(exe_next_result.read());
call.write(0); // setting of the value is also performs in process function
}
void tester () {
// testing wires
for(int i=0; i<8; i++){
reg_dump[i].write(regs[i].read());
}
test_aluOp.write(aluOp.read());
test_pc.write(pc_next_addr.read());
test_inst.write((sc_uint<20>)if_next_data.read());
print();
}
void print(){
cout << "pc addr ((FETCH)) :\t" << pc_next_addr << endl << endl;
cout << "IF inst ((DECODE)):\t" << std::hex << if_next_data << endl;
cout << "controller| opcode:\t" << opcode << endl;
cout << "regFile| regMux :\t" << regMux << endl;
cout << "regFile| r1 :\t" << mux_reg_res << endl;
cout << "regFile| r2 :\t" << rt << endl;
cout << "regFile| r3 :\t" << wb_next_rd << endl;
cout << "regFile| imm :\t" << offset << endl;
cout << "regFile| data :\t" << wb_next_rd << endl;
cout << "regFile| regWrite :\t" << wb_next_regWrite << endl << endl;
cout << "A ((EXE)) :\t" << id_next_A << endl;
cout << "B :\t" << alu_in_B << endl;
cout << "aluOp :\t" << id_next_AluOp << endl;
cout << "aluMux :\t" << id_next_AluMux << endl;
cout << "imm :\t" << id_next_Imm << endl;
cout << "aluOut :\t" << alu_out << endl << endl;
cout << "imm :\t" << exe_next_Imm << endl;
cout << "data_in ((MEM)) :\t" << exe_next_result << endl;
cout << "addr :\t" << exe_next_Imm << endl;
cout << "read :\t" << exe_next_r << endl;
cout << "write :\t" << exe_next_w << endl;
cout << "data_out :\t" << mem_data << endl << endl;
cout << "data ((WB)) :\t" << regFileData << endl;
cout << "rd :\t" << exe_next_rd << endl;
cout << "wbMux :\t" << wb_next_WbMux << endl << endl;
}
};
/*