mirror of
https://github.com/vortexgpgpu/vortex.git
synced 2025-04-21 20:37:45 -04:00
100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
// Copyright © 2019-2023
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <iostream>
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#include <fstream>
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#include <iomanip>
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#include <unistd.h>
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#include <util.h>
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#include <mem.h>
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#include <VX_config.h>
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#include <VX_types.h>
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#include "processor.h"
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#define RAM_PAGE_SIZE 4096
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using namespace vortex;
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static void show_usage() {
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std::cout << "Usage: [-h: help] <program>" << std::endl;
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}
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const char* program = nullptr;
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static void parse_args(int argc, char **argv) {
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int c;
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while ((c = getopt(argc, argv, "rh")) != -1) {
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switch (c) {
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case 'h':
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show_usage();
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exit(0);
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default:
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show_usage();
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exit(-1);
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}
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}
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if (optind < argc) {
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program = argv[optind];
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std::cout << "Running " << program << "..." << std::endl;
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} else {
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show_usage();
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exit(-1);
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}
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}
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int main(int argc, char **argv) {
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int exitcode = 0;
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parse_args(argc, argv);
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// create memory module
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vortex::RAM ram(0, RAM_PAGE_SIZE);
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// create processor
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vortex::Processor processor;
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// attach memory module
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processor.attach_ram(&ram);
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// setup base DCRs
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const uint64_t startup_addr(STARTUP_ADDR);
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processor.dcr_write(VX_DCR_BASE_STARTUP_ADDR0, startup_addr & 0xffffffff);
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#if (XLEN == 64)
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processor.dcr_write(VX_DCR_BASE_STARTUP_ADDR1, startup_addr >> 32);
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#endif
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processor.dcr_write(VX_DCR_BASE_MPM_CLASS, 0);
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// load program
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{
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std::string program_ext(fileExtension(program));
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if (program_ext == "bin") {
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ram.loadBinImage(program, startup_addr);
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} else if (program_ext == "hex") {
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ram.loadHexImage(program);
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} else {
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std::cout << "*** error: only *.bin or *.hex images supported." << std::endl;
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return -1;
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}
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}
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#ifndef NDEBUG
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std::cout << "[VXDRV] START: program=" << program << std::endl;
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#endif
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// run simulation
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processor.run();
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// read exitcode from @MPM.1
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ram.read(&exitcode, (IO_MPM_ADDR + 8), 4);
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return exitcode;
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}
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