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/* |
** ALU |
*/ |
carry = 1; |
//alu (id_next_A, alu_in_B, carry, id_next_AluOp, id_next_Sa, alu_out); |
alu->in1(id_next_A); |
alu->in2(alu_in_B); |
alu->c(carry); |
alu->aluop(id_next_AluOp); |
alu->sa(id_next_Sa); |
alu->out(alu_out); |
/* |
** EXE |
*/ |
//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); |
exe->clk(clk); |
exe->prev_result(alu_out); |
exe->next_result(exe_next_result); |
exe->prev_Imm(id_next_Imm); |
exe->next_Imm(exe_next_Imm); |
exe->prev_r(id_next_r); |
exe->next_r(exe_next_r); |
exe->prev_w(id_next_w); |
exe->next_w(exe_next_w); |
exe->prev_WbMux(id_next_WbMux); |
exe->next_WbMux(exe_next_WbMux); |
exe->prev_call(id_next_call); |
exe->next_call(exe_next_call); |
exe->prev_regWrite(id_next_regWrite); |
exe->next_regWrite(exe_next_regWrite); |
exe->prev_rd(id_next_rd); |
exe->next_rd(exe_next_rd); |
/* |
** WB |
*/ |
//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); |
wb->clk(clk); |
wb->prev_alu_result(exe_next_result); |
wb->next_alu_result(wb_next_result); |
wb->prev_mem_result(mem_data); |
wb->next_mem_result(wb_next_mem_data); |
wb->prev_WbMux(exe_next_WbMux); |
wb->next_WbMux(wb_next_WbMux); |
wb->prev_regWrite(exe_next_regWrite); |
wb->next_regWrite(wb_next_regWrite); |
wb->prev_rd(exe_next_rd); |
wb->next_rd(wb_next_rd); |
/* |
** Mux 8 bits for WB |
*/ |
//wb_out_mux (wb_next_WbMux, wb_next_result, wb_next_mem_data, regFileData); |
wb_out_mux->sel(wb_next_WbMux); |
wb_out_mux->in0(wb_next_result); |
wb_out_mux->in1(wb_next_mem_data); |
wb_out_mux->out(regFileData); |
/* |
** Register File Module |
*/ |
//reg_file (clk, regWrite, mux_reg_res, rt, wb_next_rd, regFileData, Rr1, Rr2); |
reg_file->clk(clk); |
reg_file->regWrite(wb_next_regWrite); |
reg_file->r1(mux_reg_res); |
reg_file->r2(rt); |
reg_file->r3(wb_next_rd); |
reg_file->data(regFileData); |
reg_file->Rr1(Rr1); |
reg_file->Rr2(Rr2); |
for (int i=0; i<8; i++){ |
reg_file->r[i](regs[i]); |
} |
} |
/* |
** CLOCK THREAD FOR DOING PROCESSES |
*/ |
void process(){ |
while(true){ |
if(id_next_call){ |
now_is_call = true; |
} |
wait(); |
/////////////// |
pcInc(); |
decode(); |
ImmTo8bits(); |
busAccess(); |
tester(); |
///////////// |
/* |
Subsets and Splits