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NRO Assets and NACP file format
Cleanup Review fixes
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parent
e85a528bb9
commit
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@ -12,6 +12,8 @@ add_library(core STATIC
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core_timing.h
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file_sys/content_archive.cpp
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file_sys/content_archive.h
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file_sys/control_metadata.cpp
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file_sys/control_metadata.h
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file_sys/directory.h
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file_sys/errors.h
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file_sys/mode.h
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42
src/core/file_sys/control_metadata.cpp
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42
src/core/file_sys/control_metadata.cpp
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@ -0,0 +1,42 @@
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/string_util.h"
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#include "common/swap.h"
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#include "core/file_sys/control_metadata.h"
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namespace FileSys {
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std::string LanguageEntry::GetApplicationName() const {
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return Common::StringFromFixedZeroTerminatedBuffer(application_name.data(), 0x200);
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}
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std::string LanguageEntry::GetDeveloperName() const {
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return Common::StringFromFixedZeroTerminatedBuffer(developer_name.data(), 0x100);
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}
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NACP::NACP(VirtualFile file_) : file(std::move(file_)), raw(std::make_unique<RawNACP>()) {
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file->ReadObject(raw.get());
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}
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const LanguageEntry& NACP::GetLanguageEntry(Language language) const {
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return raw->language_entries.at(static_cast<u8>(language));
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}
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std::string NACP::GetApplicationName(Language language) const {
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return GetLanguageEntry(language).GetApplicationName();
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}
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std::string NACP::GetDeveloperName(Language language) const {
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return GetLanguageEntry(language).GetDeveloperName();
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}
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u64 NACP::GetTitleId() const {
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return raw->title_id;
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}
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std::string NACP::GetVersionString() const {
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return Common::StringFromFixedZeroTerminatedBuffer(raw->version_string.data(), 0x10);
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}
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} // namespace FileSys
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81
src/core/file_sys/control_metadata.h
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81
src/core/file_sys/control_metadata.h
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@ -0,0 +1,81 @@
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <memory>
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#include <string>
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#include "common/common_funcs.h"
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#include "core/file_sys/vfs.h"
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namespace FileSys {
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// A localized entry containing strings within the NACP.
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// One for each language of type Language.
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struct LanguageEntry {
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std::array<char, 0x200> application_name;
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std::array<char, 0x100> developer_name;
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std::string GetApplicationName() const;
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std::string GetDeveloperName() const;
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};
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static_assert(sizeof(LanguageEntry) == 0x300, "LanguageEntry has incorrect size.");
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// The raw file format of a NACP file.
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struct RawNACP {
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std::array<LanguageEntry, 16> language_entries;
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INSERT_PADDING_BYTES(0x38);
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u64_le title_id;
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INSERT_PADDING_BYTES(0x20);
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std::array<char, 0x10> version_string;
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u64_le dlc_base_title_id;
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u64_le title_id_2;
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INSERT_PADDING_BYTES(0x28);
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u64_le product_code;
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u64_le title_id_3;
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std::array<u64_le, 0x7> title_id_array;
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INSERT_PADDING_BYTES(0x8);
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u64_le title_id_update;
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std::array<u8, 0x40> bcat_passphrase;
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INSERT_PADDING_BYTES(0xEC0);
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};
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static_assert(sizeof(RawNACP) == 0x4000, "RawNACP has incorrect size.");
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// A language on the NX. These are for names and icons.
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enum class Language : u8 {
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AmericanEnglish = 0,
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BritishEnglish = 1,
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Japanese = 2,
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French = 3,
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German = 4,
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LatinAmericanSpanish = 5,
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Spanish = 6,
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Italian = 7,
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Dutch = 8,
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CanadianFrench = 9,
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Portugese = 10,
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Russian = 11,
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Korean = 12,
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Taiwanese = 13,
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Chinese = 14,
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};
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// A class representing the format used by NX metadata files, typically named Control.nacp.
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// These store application name, dev name, title id, and other miscellaneous data.
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class NACP {
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public:
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explicit NACP(VirtualFile file);
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const LanguageEntry& GetLanguageEntry(Language language = Language::AmericanEnglish) const;
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std::string GetApplicationName(Language language = Language::AmericanEnglish) const;
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std::string GetDeveloperName(Language language = Language::AmericanEnglish) const;
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u64 GetTitleId() const;
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std::string GetVersionString() const;
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private:
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VirtualFile file;
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std::unique_ptr<RawNACP> raw;
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};
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} // namespace FileSys
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@ -10,6 +10,8 @@
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#include "common/logging/log.h"
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#include "common/swap.h"
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#include "core/core.h"
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#include "core/file_sys/control_metadata.h"
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#include "core/file_sys/vfs_offset.h"
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#include "core/gdbstub/gdbstub.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/resource_limit.h"
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@ -49,7 +51,55 @@ struct ModHeader {
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};
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static_assert(sizeof(ModHeader) == 0x1c, "ModHeader has incorrect size.");
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AppLoader_NRO::AppLoader_NRO(FileSys::VirtualFile file) : AppLoader(std::move(file)) {}
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struct AssetSection {
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u64_le offset;
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u64_le size;
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};
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static_assert(sizeof(AssetSection) == 0x10, "AssetSection has incorrect size.");
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struct AssetHeader {
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u32_le magic;
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u32_le format_version;
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AssetSection icon;
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AssetSection nacp;
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AssetSection romfs;
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};
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static_assert(sizeof(AssetHeader) == 0x38, "AssetHeader has incorrect size.");
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AppLoader_NRO::AppLoader_NRO(FileSys::VirtualFile file) : AppLoader(file) {
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NroHeader nro_header{};
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if (file->ReadObject(&nro_header) != sizeof(NroHeader))
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return;
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if (file->GetSize() >= nro_header.file_size + sizeof(AssetHeader)) {
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u64 offset = nro_header.file_size;
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AssetHeader asset_header{};
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if (file->ReadObject(&asset_header, offset) != sizeof(AssetHeader))
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return;
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if (asset_header.format_version != 0)
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LOG_WARNING(Loader,
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"NRO Asset Header has format {}, currently supported format is 0. If "
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"strange glitches occur with metadata, check NRO assets.",
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asset_header.format_version);
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if (asset_header.magic != Common::MakeMagic('A', 'S', 'E', 'T'))
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return;
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if (asset_header.nacp.size > 0) {
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nacp = std::make_unique<FileSys::NACP>(std::make_shared<FileSys::OffsetVfsFile>(
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file, asset_header.nacp.size, offset + asset_header.nacp.offset, "Control.nacp"));
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}
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if (asset_header.romfs.size > 0) {
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romfs = std::make_shared<FileSys::OffsetVfsFile>(
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file, asset_header.romfs.size, offset + asset_header.romfs.offset, "game.romfs");
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}
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if (asset_header.icon.size > 0) {
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icon_data = file->ReadBytes(asset_header.icon.size, offset + asset_header.icon.offset);
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}
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}
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}
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FileType AppLoader_NRO::IdentifyType(const FileSys::VirtualFile& file) {
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// Read NSO header
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@ -136,4 +186,31 @@ ResultStatus AppLoader_NRO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_NRO::ReadIcon(std::vector<u8>& buffer) {
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if (icon_data.empty())
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return ResultStatus::ErrorNotUsed;
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buffer = icon_data;
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_NRO::ReadProgramId(u64& out_program_id) {
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if (nacp == nullptr)
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return ResultStatus::ErrorNotUsed;
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out_program_id = nacp->GetTitleId();
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_NRO::ReadRomFS(FileSys::VirtualFile& dir) {
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if (romfs == nullptr)
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return ResultStatus::ErrorNotUsed;
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dir = romfs;
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_NRO::ReadTitle(std::string& title) {
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if (nacp == nullptr)
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return ResultStatus::ErrorNotUsed;
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title = nacp->GetApplicationName();
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return ResultStatus::Success;
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}
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} // namespace Loader
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@ -6,12 +6,15 @@
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#include <string>
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#include "common/common_types.h"
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#include "core/file_sys/control_metadata.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/loader/linker.h"
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#include "core/loader/loader.h"
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namespace Loader {
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struct AssetHeader;
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/// Loads an NRO file
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class AppLoader_NRO final : public AppLoader, Linker {
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public:
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@ -30,8 +33,17 @@ public:
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ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
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ResultStatus ReadIcon(std::vector<u8>& buffer) override;
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ResultStatus ReadProgramId(u64& out_program_id) override;
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ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
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ResultStatus ReadTitle(std::string& title) override;
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private:
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bool LoadNro(FileSys::VirtualFile file, VAddr load_base);
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std::vector<u8> icon_data;
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std::unique_ptr<FileSys::NACP> nacp;
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FileSys::VirtualFile romfs;
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};
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} // namespace Loader
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