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-rw-r--r--verilog/alu/v6/tbalu.cpp44
1 files changed, 44 insertions, 0 deletions
diff --git a/verilog/alu/v6/tbalu.cpp b/verilog/alu/v6/tbalu.cpp
new file mode 100644
index 0000000..6d02bf3
--- /dev/null
+++ b/verilog/alu/v6/tbalu.cpp
@@ -0,0 +1,44 @@
+#include <stdlib.h>
+#include <iostream>
+#include <verilated.h>
+#include <verilated_vcd_c.h>
+#include "Valu6.h"
+#include "aluOp.h"
+
+vluint64_t sim_time = 0;
+
+
+void benchmark(Valu6 * dut, VerilatedVcdC *m_trace, int opcodes, char op[6], char sign[6]) {
+
+ dut->alu_op_i = opcodes;
+ for (int i = 0; i < 20; i++) {
+ for (int j = 0; j < 20; j++) {
+ int in1 = i - 10;
+ int in2 = j - 10;
+ dut->alu_in_1 = in1;
+ dut->alu_in_2 = in2;
+ dut->eval();
+ std::cout << op <<(int) (dut->alu_in_1)<< sign << (int) dut->alu_in_2 << " = " << (int) dut->alu_output << "\n";
+ sim_time++;
+ m_trace->dump(sim_time);
+ }
+ }
+}
+
+int main(int argc, char** argv, char** env) {
+ Valu6 *dut = new Valu6;
+
+ Verilated::traceEverOn(true);
+ VerilatedVcdC *m_trace = new VerilatedVcdC;
+ dut->trace(m_trace, 5);
+ m_trace->open("waveform.vcd");
+ int opcodes[10] = { ADD, SUB, XOR, OR, AND, SLL, SRL, SRA, SLT, SLTU };
+ char ops[10][6] = { "ADD: ", "SUB: ", "XOR: ", "OR: ", "AND: ", "SLL: ", "SRL: ", "SRA: ", "SLT: ", "SLTU:" };
+ char signs[10][6] = { " + ", " - ", " ^ ", " | ", " & ", " << ", " >> ", " >>A ", " ? ", " ?U " };
+ //for (int i = 0; i < 10; i++)
+ benchmark(dut, m_trace, SRA, ops[7], signs[7]);
+
+ m_trace->close();
+ delete dut;
+ exit(EXIT_SUCCESS);
+}