VolumeGC::ConvertedGCBanner VolumeGC::LoadBannerFile() const
{
GCBanner banner_file;
const u64 file_size = ReadFile(*this, PARTITION_NONE, "opening.bnr",
reinterpret_cast<u8*>(&banner_file), sizeof(GCBanner));
if (file_size < 4)
{
WARN_LOG(DISCIO, "Could not read opening.bnr.");
return {}; // Return early so that we don't access the uninitialized banner_file.id
}
constexpr u32 BNR1_MAGIC = 0x31524e42;
constexpr u32 BNR2_MAGIC = 0x32524e42;
bool is_bnr1;
if (banner_file.id == BNR1_MAGIC && file_size == BNR1_SIZE)
{
is_bnr1 = true;
}
else if (banner_file.id == BNR2_MAGIC && file_size == BNR2_SIZE)
{
is_bnr1 = false;
}
else
{
WARN_LOG(DISCIO, "Invalid opening.bnr. Type: %0x Size: %0" PRIx64, banner_file.id, file_size);
return {};
}
return ExtractBannerInformation(banner_file, is_bnr1);
}
void CVolumeGC::LoadBannerFile() const
{
// If opening.bnr has been loaded already, return immediately
if (m_banner_loaded)
return;
m_banner_loaded = true;
GCBanner banner_file;
std::unique_ptr<IFileSystem> file_system(CreateFileSystem(this));
size_t file_size = (size_t)file_system->GetFileSize("opening.bnr");
constexpr int BNR1_MAGIC = 0x31524e42;
constexpr int BNR2_MAGIC = 0x32524e42;
if (file_size != BNR1_SIZE && file_size != BNR2_SIZE)
{
WARN_LOG(DISCIO, "Invalid opening.bnr. Size: %0zx", file_size);
return;
}
file_system->ReadFile("opening.bnr", reinterpret_cast<u8*>(&banner_file), file_size);
bool is_bnr1;
if (banner_file.id == BNR1_MAGIC && file_size == BNR1_SIZE)
{
is_bnr1 = true;
}
else if (banner_file.id == BNR2_MAGIC && file_size == BNR2_SIZE)
{
is_bnr1 = false;
}
else
{
WARN_LOG(DISCIO, "Invalid opening.bnr. Type: %0x Size: %0zx", banner_file.id, file_size);
return;
}
ExtractBannerInformation(banner_file, is_bnr1);
}
