mirror of https://github.com/openXC7/prjxray.git
72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
#include <iostream>
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#include <absl/strings/str_cat.h>
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#include <absl/types/span.h>
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#include <gflags/gflags.h>
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#include <prjxray/memory_mapped_file.h>
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#include <prjxray/xilinx/xc7series/bitstream_reader.h>
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namespace xc7series = prjxray::xilinx::xc7series;
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DEFINE_string(action, "list_config_packets", "");
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struct Action {
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std::string name;
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std::function<int(int, char*[])> handler;
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};
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int ListConfigPackets(int argc, char *argv[]) {
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auto in_file = prjxray::MemoryMappedFile::InitWithFile(argv[1]);
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if (!in_file) {
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std::cerr << "Unable to open bit file: " << argv[1]
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<< std::endl;
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return 1;
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}
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auto in_bytes = absl::Span<uint8_t>(
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static_cast<uint8_t*>(in_file->data()),
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in_file->size());
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auto reader = xc7series::BitstreamReader::InitWithBytes(in_bytes);
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if (!reader) {
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std::cerr << "Input doesn't look like a bitstream"
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<< std::endl;
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return 1;
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}
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for (auto packet : *reader) {
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std::cout << packet;
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}
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return 0;
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}
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int main(int argc, char *argv[]) {
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Action actions[] = {
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{ "list_config_packets", ListConfigPackets },
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};
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gflags::SetUsageMessage(
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absl::StrCat("Usage: ", argv[0], " [options] [bitfile]"));
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gflags::ParseCommandLineFlags(&argc, &argv, true);
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if (argc != 2) {
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std::cerr << "no input file provided" << std::endl;
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return 1;
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}
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if (FLAGS_action.empty()) {
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std::cerr << "no action specified" << std::endl;
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return 1;
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}
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auto requested_action = std::find_if(
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std::begin(actions), std::end(actions),
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[](const Action& t) { return t.name == FLAGS_action; });
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if (requested_action == std::end(actions)) {
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std::cerr << "Unknown action: " << FLAGS_action << std::endl;
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return 1;
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}
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return requested_action->handler(argc, argv);
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}
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