Method load

kernel/cellos/src/sys_overlay.cpp:84–124

fs::file make_file_view(fs::file &&file, u64 offset, u64 size);

std::function<void(void *)> lv2_overlay::load(utils::serial &ar) {
  const std::string vpath = ar.pop<std::string>();
  const std::string path = vfs::get(vpath);
  const s64 offset = ar.pop<s64>();

  sys_overlay.success("lv2_overlay::load(): vpath='%s', path='%s', offset=0x%x",
                      vpath, path, offset);

  shared_ptr<lv2_overlay> ovlm;

  fs::file file{path.substr(
      0, path.size() - (offset ? fmt::format("_x%x", offset).size() : 0))};

  if (file) {
    u128 klic = g_fxo->get<loaded_npdrm_keys>().last_key();
    file = make_file_view(std::move(file), offset, umax);
    ovlm =
        ppu_load_overlay(ppu_exec_object{decrypt_self(
                             std::move(file), reinterpret_cast<u8 *>(&klic))},
                         false, path, 0, &ar)
            .first;

    if (!ovlm) {
      fmt::throw_exception("lv2_overlay::load(): ppu_load_overlay() failed. "
                           "(vpath='%s', offset=0x%x)",
                           vpath, offset);
    }
  } else if (!g_cfg.savestate.state_inspection_mode.get()) {
    fmt::throw_exception(
        "lv2_overlay::load(): Failed to find file. (vpath='%s', offset=0x%x)",
        vpath, offset);
  } else {
    sys_overlay.error(
        "lv2_overlay::load(): Failed to find file. (vpath='%s', offset=0x%x)",
        vpath, offset);
  }

  return [ovlm](void *storage) {
    *static_cast<atomic_ptr<lv2_obj> *>(storage) = ovlm;
  };
}

void lv2_overlay::save(utils::serial &ar) {
  USING_SERIALIZATION_VERSION(lv2_prx_overlay);