vortex/simX/main.cpp
2021-03-08 03:44:08 -08:00

90 lines
2.5 KiB
C++

#include <iostream>
#include <iomanip>
#include <string>
#include <sstream>
#include <fstream>
#include <stdlib.h>
#include <sys/stat.h>
#include "debug.h"
#include "types.h"
#include "core.h"
#include "args.h"
using namespace vortex;
int main(int argc, char **argv) {
std::string archString("rv32imf");
int num_cores(NUM_CORES * NUM_CLUSTERS);
int num_warps(NUM_WARPS);
int num_threads(NUM_THREADS);
std::string imgFileName;
bool showHelp(false);
bool showStats(false);
bool riscv_test(false);
/* Read the command line arguments. */
CommandLineArgFlag fh("-h", "--help", "", showHelp);
CommandLineArgSetter<std::string> fa("-a", "--arch", "", archString);
CommandLineArgSetter<std::string> fi("-i", "--image", "", imgFileName);
CommandLineArgSetter<int> fc("-c", "--cores", "", num_cores);
CommandLineArgSetter<int> fw("-w", "--warps", "", num_warps);
CommandLineArgSetter<int> ft("-t", "--threads", "", num_threads);
CommandLineArgFlag fr("-r", "--riscv", "", riscv_test);
CommandLineArgFlag fs("-s", "--stats", "", showStats);
CommandLineArg::readArgs(argc - 1, argv + 1);
if (showHelp || imgFileName.empty()) {
std::cout << "Vortex emulator command line arguments:\n"
" -i, --image <filename> Program RAM image\n"
" -c, --cores <num> Number of cores\n"
" -w, --warps <num> Number of warps\n"
" -t, --threads <num> Number of threads\n"
" -a, --arch <arch string> Architecture string\n"
" -r, --riscv riscv test\n"
" -s, --stats Print stats on exit.\n";
return 0;
}
ArchDef arch(archString, num_cores, num_warps, num_threads);
Decoder decoder(arch);
MemoryUnit mu(0, arch.wsize(), true);
RAM old_ram((1<<12), (1<<20));
old_ram.loadHexImage(imgFileName.c_str());
mu.attach(old_ram, 0, 0xFFFFFFFF);
struct stat hello;
fstat(0, &hello);
std::vector<std::shared_ptr<Core>> cores(num_cores);
for (int i = 0; i < num_cores; ++i) {
cores[i] = std::make_shared<Core>(arch, decoder, mu, i);
}
bool running;
do {
running = false;
for (auto& core : cores) {
core->step();
if (core->running())
running = true;
}
} while (running);
if (riscv_test) {
bool status = (1 == cores[0]->getIRegValue(3));
if (status) {
std::cout << "Passed." << std::endl;
} else {
std::cout << "Failed." << std::endl;
return -1;
}
}
return 0;
}