b91b76df4f
Creates a new BasicSettings class in common/settings, and forces setting a default and label for each setting that uses it in common/settings. Moves defaults and labels from both frontends into common settings. Creates a helper function in each frontend to facillitate reading the settings now with the new default and label properties. Settings::Setting is also now a subclass of Settings::BasicSetting. Also adds documentation for both Setting and BasicSetting.
273 lines
8.7 KiB
C++
273 lines
8.7 KiB
C++
// 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 <utility>
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#include <vector>
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "common/settings.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/romfs_factory.h"
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#include "core/file_sys/vfs_offset.h"
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#include "core/hle/kernel/code_set.h"
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#include "core/hle/kernel/k_page_table.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/hle/kernel/k_thread.h"
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#include "core/hle/service/filesystem/filesystem.h"
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#include "core/loader/nro.h"
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#include "core/loader/nso.h"
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#include "core/memory.h"
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namespace Loader {
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struct NroSegmentHeader {
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u32_le offset;
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u32_le size;
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};
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static_assert(sizeof(NroSegmentHeader) == 0x8, "NroSegmentHeader has incorrect size.");
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struct NroHeader {
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INSERT_PADDING_BYTES(0x4);
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u32_le module_header_offset;
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INSERT_PADDING_BYTES(0x8);
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u32_le magic;
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INSERT_PADDING_BYTES(0x4);
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u32_le file_size;
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INSERT_PADDING_BYTES(0x4);
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std::array<NroSegmentHeader, 3> segments; // Text, RoData, Data (in that order)
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u32_le bss_size;
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INSERT_PADDING_BYTES(0x44);
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};
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static_assert(sizeof(NroHeader) == 0x80, "NroHeader has incorrect size.");
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struct ModHeader {
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u32_le magic;
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u32_le dynamic_offset;
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u32_le bss_start_offset;
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u32_le bss_end_offset;
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u32_le unwind_start_offset;
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u32_le unwind_end_offset;
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u32_le module_offset; // Offset to runtime-generated module object. typically equal to .bss base
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};
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static_assert(sizeof(ModHeader) == 0x1c, "ModHeader has incorrect size.");
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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(std::move(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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}
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if (file->GetSize() >= nro_header.file_size + sizeof(AssetHeader)) {
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const 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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}
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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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}
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if (asset_header.magic != Common::MakeMagic('A', 'S', 'E', 'T')) {
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return;
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}
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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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AppLoader_NRO::~AppLoader_NRO() = default;
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FileType AppLoader_NRO::IdentifyType(const FileSys::VirtualFile& nro_file) {
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// Read NSO header
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NroHeader nro_header{};
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if (sizeof(NroHeader) != nro_file->ReadObject(&nro_header)) {
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return FileType::Error;
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}
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if (nro_header.magic == Common::MakeMagic('N', 'R', 'O', '0')) {
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return FileType::NRO;
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}
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return FileType::Error;
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}
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static constexpr u32 PageAlignSize(u32 size) {
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return static_cast<u32>((size + Core::Memory::PAGE_MASK) & ~Core::Memory::PAGE_MASK);
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}
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static bool LoadNroImpl(Kernel::KProcess& process, const std::vector<u8>& data) {
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if (data.size() < sizeof(NroHeader)) {
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return {};
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}
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// Read NSO header
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NroHeader nro_header{};
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std::memcpy(&nro_header, data.data(), sizeof(NroHeader));
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if (nro_header.magic != Common::MakeMagic('N', 'R', 'O', '0')) {
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return {};
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}
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// Build program image
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Kernel::PhysicalMemory program_image(PageAlignSize(nro_header.file_size));
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std::memcpy(program_image.data(), data.data(), program_image.size());
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if (program_image.size() != PageAlignSize(nro_header.file_size)) {
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return {};
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}
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Kernel::CodeSet codeset;
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for (std::size_t i = 0; i < nro_header.segments.size(); ++i) {
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codeset.segments[i].addr = nro_header.segments[i].offset;
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codeset.segments[i].offset = nro_header.segments[i].offset;
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codeset.segments[i].size = PageAlignSize(nro_header.segments[i].size);
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}
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if (!Settings::values.program_args.GetValue().empty()) {
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const auto arg_data = Settings::values.program_args.GetValue();
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codeset.DataSegment().size += NSO_ARGUMENT_DATA_ALLOCATION_SIZE;
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NSOArgumentHeader args_header{
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NSO_ARGUMENT_DATA_ALLOCATION_SIZE, static_cast<u32_le>(arg_data.size()), {}};
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const auto end_offset = program_image.size();
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program_image.resize(static_cast<u32>(program_image.size()) +
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NSO_ARGUMENT_DATA_ALLOCATION_SIZE);
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std::memcpy(program_image.data() + end_offset, &args_header, sizeof(NSOArgumentHeader));
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std::memcpy(program_image.data() + end_offset + sizeof(NSOArgumentHeader), arg_data.data(),
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arg_data.size());
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}
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// Default .bss to NRO header bss size if MOD0 section doesn't exist
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u32 bss_size{PageAlignSize(nro_header.bss_size)};
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// Read MOD header
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ModHeader mod_header{};
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std::memcpy(&mod_header, program_image.data() + nro_header.module_header_offset,
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sizeof(ModHeader));
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const bool has_mod_header{mod_header.magic == Common::MakeMagic('M', 'O', 'D', '0')};
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if (has_mod_header) {
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// Resize program image to include .bss section and page align each section
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bss_size = PageAlignSize(mod_header.bss_end_offset - mod_header.bss_start_offset);
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}
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codeset.DataSegment().size += bss_size;
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program_image.resize(static_cast<u32>(program_image.size()) + bss_size);
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// Setup the process code layout
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if (process.LoadFromMetadata(FileSys::ProgramMetadata::GetDefault(), program_image.size())
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.IsError()) {
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return false;
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}
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// Load codeset for current process
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codeset.memory = std::move(program_image);
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process.LoadModule(std::move(codeset), process.PageTable().GetCodeRegionStart());
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return true;
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}
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bool AppLoader_NRO::LoadNro(Kernel::KProcess& process, const FileSys::VfsFile& nro_file) {
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return LoadNroImpl(process, nro_file.ReadAllBytes());
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}
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AppLoader_NRO::LoadResult AppLoader_NRO::Load(Kernel::KProcess& process, Core::System& system) {
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if (is_loaded) {
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return {ResultStatus::ErrorAlreadyLoaded, {}};
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}
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if (!LoadNro(process, *file)) {
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return {ResultStatus::ErrorLoadingNRO, {}};
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}
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if (romfs != nullptr) {
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system.GetFileSystemController().RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(
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*this, system.GetContentProvider(), system.GetFileSystemController()));
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}
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is_loaded = true;
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return {ResultStatus::Success, LoadParameters{Kernel::KThread::DefaultThreadPriority,
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Core::Memory::DEFAULT_STACK_SIZE}};
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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::ErrorNoIcon;
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}
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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::ErrorNoControl;
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}
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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::ErrorNoRomFS;
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}
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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::ErrorNoControl;
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}
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title = nacp->GetApplicationName();
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_NRO::ReadControlData(FileSys::NACP& control) {
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if (nacp == nullptr) {
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return ResultStatus::ErrorNoControl;
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}
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control = *nacp;
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return ResultStatus::Success;
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}
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bool AppLoader_NRO::IsRomFSUpdatable() const {
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return false;
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}
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} // namespace Loader
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