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author | bunnei <bunneidev@gmail.com> | 2018-07-23 23:14:11 +0200 |
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committer | GitHub <noreply@github.com> | 2018-07-23 23:14:11 +0200 |
commit | 07e5319d552ed1ad9b9fbe47852c581d48c1e46c (patch) | |
tree | b40b503cde453eb513228f67c826f11ff6ef5d1c /src/core/loader/nro.cpp | |
parent | Merge pull request #778 from lioncash/log (diff) | |
parent | NRO Assets and NACP file format (diff) | |
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Diffstat (limited to 'src/core/loader/nro.cpp')
-rw-r--r-- | src/core/loader/nro.cpp | 79 |
1 files changed, 78 insertions, 1 deletions
diff --git a/src/core/loader/nro.cpp b/src/core/loader/nro.cpp index c020399f2..44158655c 100644 --- a/src/core/loader/nro.cpp +++ b/src/core/loader/nro.cpp @@ -10,6 +10,8 @@ #include "common/logging/log.h" #include "common/swap.h" #include "core/core.h" +#include "core/file_sys/control_metadata.h" +#include "core/file_sys/vfs_offset.h" #include "core/gdbstub/gdbstub.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/resource_limit.h" @@ -49,7 +51,55 @@ struct ModHeader { }; static_assert(sizeof(ModHeader) == 0x1c, "ModHeader has incorrect size."); -AppLoader_NRO::AppLoader_NRO(FileSys::VirtualFile file) : AppLoader(std::move(file)) {} +struct AssetSection { + u64_le offset; + u64_le size; +}; +static_assert(sizeof(AssetSection) == 0x10, "AssetSection has incorrect size."); + +struct AssetHeader { + u32_le magic; + u32_le format_version; + AssetSection icon; + AssetSection nacp; + AssetSection romfs; +}; +static_assert(sizeof(AssetHeader) == 0x38, "AssetHeader has incorrect size."); + +AppLoader_NRO::AppLoader_NRO(FileSys::VirtualFile file) : AppLoader(file) { + NroHeader nro_header{}; + if (file->ReadObject(&nro_header) != sizeof(NroHeader)) + return; + + if (file->GetSize() >= nro_header.file_size + sizeof(AssetHeader)) { + u64 offset = nro_header.file_size; + AssetHeader asset_header{}; + if (file->ReadObject(&asset_header, offset) != sizeof(AssetHeader)) + return; + + if (asset_header.format_version != 0) + LOG_WARNING(Loader, + "NRO Asset Header has format {}, currently supported format is 0. If " + "strange glitches occur with metadata, check NRO assets.", + asset_header.format_version); + if (asset_header.magic != Common::MakeMagic('A', 'S', 'E', 'T')) + return; + + if (asset_header.nacp.size > 0) { + nacp = std::make_unique<FileSys::NACP>(std::make_shared<FileSys::OffsetVfsFile>( + file, asset_header.nacp.size, offset + asset_header.nacp.offset, "Control.nacp")); + } + + if (asset_header.romfs.size > 0) { + romfs = std::make_shared<FileSys::OffsetVfsFile>( + file, asset_header.romfs.size, offset + asset_header.romfs.offset, "game.romfs"); + } + + if (asset_header.icon.size > 0) { + icon_data = file->ReadBytes(asset_header.icon.size, offset + asset_header.icon.offset); + } + } +} FileType AppLoader_NRO::IdentifyType(const FileSys::VirtualFile& file) { // Read NSO header @@ -136,4 +186,31 @@ ResultStatus AppLoader_NRO::Load(Kernel::SharedPtr<Kernel::Process>& process) { return ResultStatus::Success; } +ResultStatus AppLoader_NRO::ReadIcon(std::vector<u8>& buffer) { + if (icon_data.empty()) + return ResultStatus::ErrorNotUsed; + buffer = icon_data; + return ResultStatus::Success; +} + +ResultStatus AppLoader_NRO::ReadProgramId(u64& out_program_id) { + if (nacp == nullptr) + return ResultStatus::ErrorNotUsed; + out_program_id = nacp->GetTitleId(); + return ResultStatus::Success; +} + +ResultStatus AppLoader_NRO::ReadRomFS(FileSys::VirtualFile& dir) { + if (romfs == nullptr) + return ResultStatus::ErrorNotUsed; + dir = romfs; + return ResultStatus::Success; +} + +ResultStatus AppLoader_NRO::ReadTitle(std::string& title) { + if (nacp == nullptr) + return ResultStatus::ErrorNotUsed; + title = nacp->GetApplicationName(); + return ResultStatus::Success; +} } // namespace Loader |