86 lines
1.7 KiB
C++
86 lines
1.7 KiB
C++
#include <vpi_user.h>
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#include <VFlow.h>
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#include <cstdlib>
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#include <vector>
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#include <memory>
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#include <verilated.h>
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#include <verilated_vcd_c.h>
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#include <verilated_vpi.h>
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#include <string>
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#define MAX_SIM_TIME 100
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#define VERILATOR_TRACE
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std::vector<vpiHandle> regsHandle;
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int regs[32];
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static void init_vpi_regs() {
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std::string regfile = "TOP.Flow.reg_0.regFile_";
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for(int i = 0; i < 32; i++) {
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std::string regname = regfile + std::to_string(i);
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vpiHandle vh = vpi_handle_by_name((PLI_BYTE8 *)regname.c_str(), NULL);
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regsHandle.push_back(vh);
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}
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}
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static void init_vpi() {
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init_vpi_regs();
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}
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static int vpi_get_int(vpiHandle vh) {
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s_vpi_value v;
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v.format = vpiIntVal;
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vpi_get_value(vh, &v);
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return v.value.integer;
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}
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static void update_regs() {
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for(int i = 0; i < 32; i++) {
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regs[i] = vpi_get_int(regsHandle[i]);
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}
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}
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static void print_regs() {
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for(int i = 0; i < 32; i++) {
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printf("%d: %d\t", i, regs[i]);
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if(i % 8 == 7) putchar('\n');
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}
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putchar('\n');
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}
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static int sim_time = 0;
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int main(int argc, char **argv, char **env) {
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int sim_time = 0;
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int posedge_cnt = 0;
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Verilated::commandArgs(argc, argv);
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std::unique_ptr<VFlow> top{new VFlow};
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Verilated::traceEverOn(true);
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VerilatedVcdC *m_trace = new VerilatedVcdC;
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#ifdef VERILATOR_TRACE
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top->trace(m_trace, 5);
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m_trace->open("waveform.vcd");
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#endif
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init_vpi();
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top->reset = 0;
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for (sim_time = 10; sim_time < MAX_SIM_TIME; sim_time++) {
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top->eval();
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top->clock = !top->clock;
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if(top->clock == 1) {
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// Posedge
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++posedge_cnt;
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update_regs();
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print_regs();
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}
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#ifdef VERILATOR_TRACE
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m_trace->dump(sim_time);
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#endif
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}
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#ifdef VERILATOR_TRACE
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m_trace->close();
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#endif
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exit(EXIT_SUCCESS);
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}
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