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Merge pull request #695 from DarkLordZach/nro-asset

NRO Assets and NACP File Format
This commit is contained in:
bunnei 2018-07-23 14:14:11 -07:00 committed by GitHub
commit 07e5319d55
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5 changed files with 215 additions and 1 deletions

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@ -12,6 +12,8 @@ add_library(core STATIC
core_timing.h
file_sys/content_archive.cpp
file_sys/content_archive.h
file_sys/control_metadata.cpp
file_sys/control_metadata.h
file_sys/directory.h
file_sys/errors.h
file_sys/mode.h

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@ -0,0 +1,42 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/string_util.h"
#include "common/swap.h"
#include "core/file_sys/control_metadata.h"
namespace FileSys {
std::string LanguageEntry::GetApplicationName() const {
return Common::StringFromFixedZeroTerminatedBuffer(application_name.data(), 0x200);
}
std::string LanguageEntry::GetDeveloperName() const {
return Common::StringFromFixedZeroTerminatedBuffer(developer_name.data(), 0x100);
}
NACP::NACP(VirtualFile file_) : file(std::move(file_)), raw(std::make_unique<RawNACP>()) {
file->ReadObject(raw.get());
}
const LanguageEntry& NACP::GetLanguageEntry(Language language) const {
return raw->language_entries.at(static_cast<u8>(language));
}
std::string NACP::GetApplicationName(Language language) const {
return GetLanguageEntry(language).GetApplicationName();
}
std::string NACP::GetDeveloperName(Language language) const {
return GetLanguageEntry(language).GetDeveloperName();
}
u64 NACP::GetTitleId() const {
return raw->title_id;
}
std::string NACP::GetVersionString() const {
return Common::StringFromFixedZeroTerminatedBuffer(raw->version_string.data(), 0x10);
}
} // namespace FileSys

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@ -0,0 +1,81 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <memory>
#include <string>
#include "common/common_funcs.h"
#include "core/file_sys/vfs.h"
namespace FileSys {
// A localized entry containing strings within the NACP.
// One for each language of type Language.
struct LanguageEntry {
std::array<char, 0x200> application_name;
std::array<char, 0x100> developer_name;
std::string GetApplicationName() const;
std::string GetDeveloperName() const;
};
static_assert(sizeof(LanguageEntry) == 0x300, "LanguageEntry has incorrect size.");
// The raw file format of a NACP file.
struct RawNACP {
std::array<LanguageEntry, 16> language_entries;
INSERT_PADDING_BYTES(0x38);
u64_le title_id;
INSERT_PADDING_BYTES(0x20);
std::array<char, 0x10> version_string;
u64_le dlc_base_title_id;
u64_le title_id_2;
INSERT_PADDING_BYTES(0x28);
u64_le product_code;
u64_le title_id_3;
std::array<u64_le, 0x7> title_id_array;
INSERT_PADDING_BYTES(0x8);
u64_le title_id_update;
std::array<u8, 0x40> bcat_passphrase;
INSERT_PADDING_BYTES(0xEC0);
};
static_assert(sizeof(RawNACP) == 0x4000, "RawNACP has incorrect size.");
// A language on the NX. These are for names and icons.
enum class Language : u8 {
AmericanEnglish = 0,
BritishEnglish = 1,
Japanese = 2,
French = 3,
German = 4,
LatinAmericanSpanish = 5,
Spanish = 6,
Italian = 7,
Dutch = 8,
CanadianFrench = 9,
Portugese = 10,
Russian = 11,
Korean = 12,
Taiwanese = 13,
Chinese = 14,
};
// A class representing the format used by NX metadata files, typically named Control.nacp.
// These store application name, dev name, title id, and other miscellaneous data.
class NACP {
public:
explicit NACP(VirtualFile file);
const LanguageEntry& GetLanguageEntry(Language language = Language::AmericanEnglish) const;
std::string GetApplicationName(Language language = Language::AmericanEnglish) const;
std::string GetDeveloperName(Language language = Language::AmericanEnglish) const;
u64 GetTitleId() const;
std::string GetVersionString() const;
private:
VirtualFile file;
std::unique_ptr<RawNACP> raw;
};
} // namespace FileSys

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@ -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

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@ -6,12 +6,15 @@
#include <string>
#include "common/common_types.h"
#include "core/file_sys/control_metadata.h"
#include "core/hle/kernel/kernel.h"
#include "core/loader/linker.h"
#include "core/loader/loader.h"
namespace Loader {
struct AssetHeader;
/// Loads an NRO file
class AppLoader_NRO final : public AppLoader, Linker {
public:
@ -30,8 +33,17 @@ public:
ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
ResultStatus ReadIcon(std::vector<u8>& buffer) override;
ResultStatus ReadProgramId(u64& out_program_id) override;
ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
ResultStatus ReadTitle(std::string& title) override;
private:
bool LoadNro(FileSys::VirtualFile file, VAddr load_base);
std::vector<u8> icon_data;
std::unique_ptr<FileSys::NACP> nacp;
FileSys::VirtualFile romfs;
};
} // namespace Loader