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Remove lots more 3DS-specific code.

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This commit is contained in:
bunnei 2017-10-12 21:21:49 -04:00
parent 0906de9a14
commit 72b03025ac
50 changed files with 8 additions and 6976 deletions
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94
src/citra_qt/configuration/configure_system.cpp
View file

@ -6,8 +6,6 @@
#include "citra_qt/configuration/configure_system.h" #include "citra_qt/configuration/configure_system.h"
#include "citra_qt/ui_settings.h" #include "citra_qt/ui_settings.h"
#include "core/core.h" #include "core/core.h"
#include "core/hle/service/cfg/cfg.h"
#include "core/hle/service/fs/archive.h"
#include "ui_configure_system.h" #include "ui_configure_system.h"
static const std::array<int, 12> days_in_month = {{ static const std::array<int, 12> days_in_month = {{
@ -29,100 +27,14 @@ ConfigureSystem::~ConfigureSystem() {}
void ConfigureSystem::setConfiguration() { void ConfigureSystem::setConfiguration() {
enabled = !Core::System::GetInstance().IsPoweredOn(); enabled = !Core::System::GetInstance().IsPoweredOn();
if (!enabled) {
ReadSystemSettings();
ui->group_system_settings->setEnabled(false);
} else {
// This tab is enabled only when game is not running (i.e. all service are not initialized).
// Temporarily register archive types and load the config savegame file to memory.
Service::FS::RegisterArchiveTypes();
ResultCode result = Service::CFG::LoadConfigNANDSaveFile();
Service::FS::UnregisterArchiveTypes();
if (result.IsError()) {
ui->label_disable_info->setText(tr("Failed to load system settings data."));
ui->group_system_settings->setEnabled(false);
enabled = false;
return;
}
ReadSystemSettings();
ui->label_disable_info->hide();
}
} }
void ConfigureSystem::ReadSystemSettings() { void ConfigureSystem::ReadSystemSettings() {
// set username
username = Service::CFG::GetUsername();
// TODO(wwylele): Use this when we move to Qt 5.5
// ui->edit_username->setText(QString::fromStdU16String(username));
ui->edit_username->setText(
QString::fromUtf16(reinterpret_cast<const ushort*>(username.data())));
// set birthday
std::tie(birthmonth, birthday) = Service::CFG::GetBirthday();
ui->combo_birthmonth->setCurrentIndex(birthmonth - 1);
updateBirthdayComboBox(
birthmonth -
1); // explicitly update it because the signal from setCurrentIndex is not reliable
ui->combo_birthday->setCurrentIndex(birthday - 1);
// set system language
language_index = Service::CFG::GetSystemLanguage();
ui->combo_language->setCurrentIndex(language_index);
// set sound output mode
sound_index = Service::CFG::GetSoundOutputMode();
ui->combo_sound->setCurrentIndex(sound_index);
// set the console id
u64 console_id = Service::CFG::GetConsoleUniqueId();
ui->label_console_id->setText(
tr("Console ID: 0x%1").arg(QString::number(console_id, 16).toUpper()));
} }
void ConfigureSystem::applyConfiguration() { void ConfigureSystem::applyConfiguration() {
if (!enabled) if (!enabled)
return; return;
bool modified = false;
// apply username
// TODO(wwylele): Use this when we move to Qt 5.5
// std::u16string new_username = ui->edit_username->text().toStdU16String();
std::u16string new_username(
reinterpret_cast<const char16_t*>(ui->edit_username->text().utf16()));
if (new_username != username) {
Service::CFG::SetUsername(new_username);
modified = true;
}
// apply birthday
int new_birthmonth = ui->combo_birthmonth->currentIndex() + 1;
int new_birthday = ui->combo_birthday->currentIndex() + 1;
if (birthmonth != new_birthmonth || birthday != new_birthday) {
Service::CFG::SetBirthday(new_birthmonth, new_birthday);
modified = true;
}
// apply language
int new_language = ui->combo_language->currentIndex();
if (language_index != new_language) {
Service::CFG::SetSystemLanguage(static_cast<Service::CFG::SystemLanguage>(new_language));
modified = true;
}
// apply sound
int new_sound = ui->combo_sound->currentIndex();
if (sound_index != new_sound) {
Service::CFG::SetSoundOutputMode(static_cast<Service::CFG::SoundOutputMode>(new_sound));
modified = true;
}
// update the config savegame if any item is modified.
if (modified)
Service::CFG::UpdateConfigNANDSavegame();
} }
void ConfigureSystem::updateBirthdayComboBox(int birthmonth_index) { void ConfigureSystem::updateBirthdayComboBox(int birthmonth_index) {
@ -160,10 +72,6 @@ void ConfigureSystem::refreshConsoleID() {
QMessageBox::No | QMessageBox::Yes); QMessageBox::No | QMessageBox::Yes);
if (reply == QMessageBox::No) if (reply == QMessageBox::No)
return; return;
u32 random_number; u64 console_id{};
u64 console_id;
Service::CFG::GenerateConsoleUniqueId(random_number, console_id);
Service::CFG::SetConsoleUniqueId(random_number, console_id);
Service::CFG::UpdateConfigNANDSavegame();
ui->label_console_id->setText("Console ID: 0x" + QString::number(console_id, 16).toUpper()); ui->label_console_id->setText("Console ID: 0x" + QString::number(console_id, 16).toUpper());
} }

14
src/citra_qt/main.cpp
View file

@ -39,7 +39,6 @@
#include "common/scope_exit.h" #include "common/scope_exit.h"
#include "common/string_util.h" #include "common/string_util.h"
#include "core/core.h" #include "core/core.h"
#include "core/file_sys/archive_source_sd_savedata.h"
#include "core/gdbstub/gdbstub.h" #include "core/gdbstub/gdbstub.h"
#include "core/loader/loader.h" #include "core/loader/loader.h"
#include "core/settings.h" #include "core/settings.h"
@ -541,18 +540,7 @@ void GMainWindow::OnGameListLoadFile(QString game_path) {
} }
void GMainWindow::OnGameListOpenSaveFolder(u64 program_id) { void GMainWindow::OnGameListOpenSaveFolder(u64 program_id) {
std::string sdmc_dir = FileUtil::GetUserPath(D_SDMC_IDX); UNIMPLEMENTED();
std::string path = FileSys::ArchiveSource_SDSaveData::GetSaveDataPathFor(sdmc_dir, program_id);
QString qpath = QString::fromStdString(path);
QDir dir(qpath);
if (!dir.exists()) {
QMessageBox::critical(this, tr("Error Opening Save Folder"), tr("Folder does not exist!"));
return;
}
LOG_INFO(Frontend, "Opening save data path for program_id=%" PRIu64, program_id);
QDesktopServices::openUrl(QUrl::fromLocalFile(qpath));
} }
void GMainWindow::OnMenuLoadFile() { void GMainWindow::OnMenuLoadFile() {

245
src/core/file_sys/archive_extsavedata.cpp
View file

@ -1,245 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <memory>
#include <vector>
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/file_sys/archive_extsavedata.h"
#include "core/file_sys/disk_archive.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/path_parser.h"
#include "core/file_sys/savedata_archive.h"
#include "core/hle/service/fs/archive.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/**
* A modified version of DiskFile for fixed-size file used by ExtSaveData
* The file size can't be changed by SetSize or Write.
*/
class FixSizeDiskFile : public DiskFile {
public:
FixSizeDiskFile(FileUtil::IOFile&& file, const Mode& mode) : DiskFile(std::move(file), mode) {
size = GetSize();
}
bool SetSize(u64 size) const override {
return false;
}
ResultVal<size_t> Write(u64 offset, size_t length, bool flush,
const u8* buffer) const override {
if (offset > size) {
return ERR_WRITE_BEYOND_END;
} else if (offset == size) {
return MakeResult<size_t>(0);
}
if (offset + length > size) {
length = size - offset;
}
return DiskFile::Write(offset, length, flush, buffer);
}
private:
u64 size{};
};
/**
* Archive backend for general extsave data archive type.
* The behaviour of ExtSaveDataArchive is almost the same as SaveDataArchive, except for
* - file size can't be changed once created (thus creating zero-size file and openning with create
* flag are prohibited);
* - always open a file with read+write permission.
*/
class ExtSaveDataArchive : public SaveDataArchive {
public:
explicit ExtSaveDataArchive(const std::string& mount_point) : SaveDataArchive(mount_point) {}
std::string GetName() const override {
return "ExtSaveDataArchive: " + mount_point;
}
ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path,
const Mode& mode) const override {
LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
if (mode.hex == 0) {
LOG_ERROR(Service_FS, "Empty open mode");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
if (mode.create_flag) {
LOG_ERROR(Service_FS, "Create flag is not supported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_FILE_NOT_FOUND;
case PathParser::PathNotFound:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_PATH_NOT_FOUND;
case PathParser::FileInPath:
case PathParser::DirectoryFound:
LOG_ERROR(Service_FS, "Unexpected file or directory in %s", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
case PathParser::NotFound:
LOG_ERROR(Service_FS, "%s not found", full_path.c_str());
return ERROR_FILE_NOT_FOUND;
case PathParser::FileFound:
break; // Expected 'success' case
}
FileUtil::IOFile file(full_path, "r+b");
if (!file.IsOpen()) {
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error opening %s", full_path.c_str());
return ERROR_FILE_NOT_FOUND;
}
Mode rwmode;
rwmode.write_flag.Assign(1);
rwmode.read_flag.Assign(1);
auto disk_file = std::make_unique<FixSizeDiskFile>(std::move(file), rwmode);
return MakeResult<std::unique_ptr<FileBackend>>(std::move(disk_file));
}
ResultCode CreateFile(const Path& path, u64 size) const override {
if (size == 0) {
LOG_ERROR(Service_FS, "Zero-size file is not supported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
return SaveDataArchive::CreateFile(path, size);
}
};
std::string GetExtSaveDataPath(const std::string& mount_point, const Path& path) {
std::vector<u8> vec_data = path.AsBinary();
const u32* data = reinterpret_cast<const u32*>(vec_data.data());
u32 save_low = data[1];
u32 save_high = data[2];
return Common::StringFromFormat("%s%08X/%08X/", mount_point.c_str(), save_high, save_low);
}
std::string GetExtDataContainerPath(const std::string& mount_point, bool shared) {
if (shared)
return Common::StringFromFormat("%sdata/%s/extdata/", mount_point.c_str(), SYSTEM_ID);
return Common::StringFromFormat("%sNintendo 3DS/%s/%s/extdata/", mount_point.c_str(), SYSTEM_ID,
SDCARD_ID);
}
Path ConstructExtDataBinaryPath(u32 media_type, u32 high, u32 low) {
std::vector<u8> binary_path;
binary_path.reserve(12);
// Append each word byte by byte
// The first word is the media type
for (unsigned i = 0; i < 4; ++i)
binary_path.push_back((media_type >> (8 * i)) & 0xFF);
// Next is the low word
for (unsigned i = 0; i < 4; ++i)
binary_path.push_back((low >> (8 * i)) & 0xFF);
// Next is the high word
for (unsigned i = 0; i < 4; ++i)
binary_path.push_back((high >> (8 * i)) & 0xFF);
return {binary_path};
}
ArchiveFactory_ExtSaveData::ArchiveFactory_ExtSaveData(const std::string& mount_location,
bool shared)
: shared(shared), mount_point(GetExtDataContainerPath(mount_location, shared)) {
LOG_DEBUG(Service_FS, "Directory %s set as base for ExtSaveData.", mount_point.c_str());
}
bool ArchiveFactory_ExtSaveData::Initialize() {
if (!FileUtil::CreateFullPath(mount_point)) {
LOG_ERROR(Service_FS, "Unable to create ExtSaveData base path.");
return false;
}
return true;
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_ExtSaveData::Open(const Path& path) {
std::string fullpath = GetExtSaveDataPath(mount_point, path) + "user/";
if (!FileUtil::Exists(fullpath)) {
// TODO(Subv): Verify the archive behavior of SharedExtSaveData compared to ExtSaveData.
// ExtSaveData seems to return FS_NotFound (120) when the archive doesn't exist.
if (!shared) {
return ERR_NOT_FOUND_INVALID_STATE;
} else {
return ERR_NOT_FORMATTED;
}
}
auto archive = std::make_unique<ExtSaveDataArchive>(fullpath);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_ExtSaveData::Format(const Path& path,
const FileSys::ArchiveFormatInfo& format_info) {
// These folders are always created with the ExtSaveData
std::string user_path = GetExtSaveDataPath(mount_point, path) + "user/";
std::string boss_path = GetExtSaveDataPath(mount_point, path) + "boss/";
FileUtil::CreateFullPath(user_path);
FileUtil::CreateFullPath(boss_path);
// Write the format metadata
std::string metadata_path = GetExtSaveDataPath(mount_point, path) + "metadata";
FileUtil::IOFile file(metadata_path, "wb");
if (!file.IsOpen()) {
// TODO(Subv): Find the correct error code
return ResultCode(-1);
}
file.WriteBytes(&format_info, sizeof(format_info));
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_ExtSaveData::GetFormatInfo(const Path& path) const {
std::string metadata_path = GetExtSaveDataPath(mount_point, path) + "metadata";
FileUtil::IOFile file(metadata_path, "rb");
if (!file.IsOpen()) {
LOG_ERROR(Service_FS, "Could not open metadata information for archive");
// TODO(Subv): Verify error code
return ERR_NOT_FORMATTED;
}
ArchiveFormatInfo info = {};
file.ReadBytes(&info, sizeof(info));
return MakeResult<ArchiveFormatInfo>(info);
}
void ArchiveFactory_ExtSaveData::WriteIcon(const Path& path, const u8* icon_data,
size_t icon_size) {
std::string game_path = FileSys::GetExtSaveDataPath(GetMountPoint(), path);
FileUtil::IOFile icon_file(game_path + "icon", "wb");
icon_file.WriteBytes(icon_data, icon_size);
}
} // namespace FileSys

89
src/core/file_sys/archive_extsavedata.h
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@ -1,89 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include "common/common_types.h"
#include "core/file_sys/archive_backend.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// File system interface to the ExtSaveData archive
class ArchiveFactory_ExtSaveData final : public ArchiveFactory {
public:
ArchiveFactory_ExtSaveData(const std::string& mount_point, bool shared);
/**
* Initialize the archive.
* @return true if it initialized successfully
*/
bool Initialize();
std::string GetName() const override {
return "ExtSaveData";
}
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
const std::string& GetMountPoint() const {
return mount_point;
}
/**
* Writes the SMDH icon of the ExtSaveData to file
* @param path Path of this ExtSaveData
* @param icon_data Binary data of the icon
* @param icon_size Size of the icon data
*/
void WriteIcon(const Path& path, const u8* icon_data, size_t icon_size);
private:
bool shared; ///< Whether this archive represents an ExtSaveData archive or a SharedExtSaveData
/// archive
/**
* This holds the full directory path for this archive, it is only set after a successful call
* to Open, this is formed as `<base extsavedatapath>/<type>/<high>/<low>`.
* See GetExtSaveDataPath for the code that extracts this data from an archive path.
*/
std::string mount_point;
};
/**
* Constructs a path to the concrete ExtData archive in the host filesystem based on the
* input Path and base mount point.
* @param mount_point The base mount point of the ExtSaveData archives.
* @param path The path that identifies the requested concrete ExtSaveData archive.
* @returns The complete path to the specified extdata archive in the host filesystem
*/
std::string GetExtSaveDataPath(const std::string& mount_point, const Path& path);
/**
* Constructs a path to the base folder to hold concrete ExtSaveData archives in the host file
* system.
* @param mount_point The base folder where this folder resides, ie. SDMC or NAND.
* @param shared Whether this ExtSaveData container is for SharedExtSaveDatas or not.
* @returns The path to the base ExtSaveData archives' folder in the host file system
*/
std::string GetExtDataContainerPath(const std::string& mount_point, bool shared);
/**
* Constructs a FileSys::Path object that refers to the ExtData archive identified by
* the specified media type, high save id and low save id.
* @param media_type The media type where the archive is located (NAND / SDMC)
* @param high The high word of the save id for the archive
* @param low The low word of the save id for the archive
* @returns A FileSys::Path to the wanted archive
*/
Path ConstructExtDataBinaryPath(u32 media_type, u32 high, u32 low);
} // namespace FileSys

114
src/core/file_sys/archive_ncch.cpp
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@ -1,114 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <memory>
#include <vector>
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/core.h"
#include "core/file_sys/archive_ncch.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/ivfc_archive.h"
#include "core/file_sys/ncch_container.h"
#include "core/file_sys/title_metadata.h"
#include "core/hle/service/fs/archive.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
static std::string GetNCCHContainerPath(const std::string& nand_directory) {
return Common::StringFromFormat("%s%s/title/", nand_directory.c_str(), SYSTEM_ID);
}
static std::string GetNCCHPath(const std::string& mount_point, u32 high, u32 low) {
u32 content_id = 0;
// TODO(shinyquagsire23): Title database should be doing this path lookup
std::string content_path =
Common::StringFromFormat("%s%08x/%08x/content/", mount_point.c_str(), high, low);
std::string tmd_path = content_path + "00000000.tmd";
TitleMetadata tmd(tmd_path);
if (tmd.Load() == Loader::ResultStatus::Success) {
content_id = tmd.GetBootContentID();
}
return Common::StringFromFormat("%s%08x.app", content_path.c_str(), content_id);
}
ArchiveFactory_NCCH::ArchiveFactory_NCCH(const std::string& nand_directory)
: mount_point(GetNCCHContainerPath(nand_directory)) {}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_NCCH::Open(const Path& path) {
auto vec = path.AsBinary();
const u32* data = reinterpret_cast<u32*>(vec.data());
u32 high = data[1];
u32 low = data[0];
std::string file_path = GetNCCHPath(mount_point, high, low);
std::shared_ptr<FileUtil::IOFile> romfs_file;
u64 romfs_offset = 0;
u64 romfs_size = 0;
auto ncch_container = NCCHContainer(file_path);
if (ncch_container.ReadRomFS(romfs_file, romfs_offset, romfs_size) !=
Loader::ResultStatus::Success) {
// High Title ID of the archive: The category (https://3dbrew.org/wiki/Title_list).
constexpr u32 shared_data_archive = 0x0004009B;
constexpr u32 system_data_archive = 0x000400DB;
// Low Title IDs.
constexpr u32 mii_data = 0x00010202;
constexpr u32 region_manifest = 0x00010402;
constexpr u32 ng_word_list = 0x00010302;
LOG_DEBUG(Service_FS, "Full Path: %s. Category: 0x%X. Path: 0x%X.", path.DebugStr().c_str(),
high, low);
if (high == shared_data_archive) {
if (low == mii_data) {
LOG_ERROR(Service_FS, "Failed to get a handle for shared data archive: Mii data. ");
Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
"Mii data");
} else if (low == region_manifest) {
LOG_ERROR(Service_FS,
"Failed to get a handle for shared data archive: region manifest.");
Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
"Region manifest");
}
} else if (high == system_data_archive) {
if (low == ng_word_list) {
LOG_ERROR(Service_FS,
"Failed to get a handle for system data archive: NG bad word list.");
Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
"NG bad word list");
}
}
return ERROR_NOT_FOUND;
}
auto archive = std::make_unique<IVFCArchive>(romfs_file, romfs_offset, romfs_size);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_NCCH::Format(const Path& path,
const FileSys::ArchiveFormatInfo& format_info) {
LOG_ERROR(Service_FS, "Attempted to format a NCCH archive.");
// TODO: Verify error code
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS, ErrorSummary::NotSupported,
ErrorLevel::Permanent);
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_NCCH::GetFormatInfo(const Path& path) const {
// TODO(Subv): Implement
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
return ResultCode(-1);
}
} // namespace FileSys

34
src/core/file_sys/archive_ncch.h
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@ -1,34 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include "core/file_sys/archive_backend.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// File system interface to the NCCH archive
class ArchiveFactory_NCCH final : public ArchiveFactory {
public:
explicit ArchiveFactory_NCCH(const std::string& mount_point);
std::string GetName() const override {
return "NCCH";
}
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string mount_point;
};
} // namespace FileSys

145
src/core/file_sys/archive_other_savedata.cpp
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@ -1,145 +0,0 @@
// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <tuple>
#include "core/file_sys/archive_other_savedata.h"
#include "core/file_sys/errors.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/fs/archive.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
// TODO(wwylele): The storage info in exheader should be checked before accessing these archives
using Service::FS::MediaType;
namespace {
template <typename T>
ResultVal<std::tuple<MediaType, u64>> ParsePath(const Path& path, T program_id_reader) {
if (path.GetType() != Binary) {
LOG_ERROR(Service_FS, "Wrong path type %d", static_cast<int>(path.GetType()));
return ERROR_INVALID_PATH;
}
std::vector<u8> vec_data = path.AsBinary();
if (vec_data.size() != 12) {
LOG_ERROR(Service_FS, "Wrong path length %zu", vec_data.size());
return ERROR_INVALID_PATH;
}
const u32* data = reinterpret_cast<const u32*>(vec_data.data());
auto media_type = static_cast<MediaType>(data[0]);
if (media_type != MediaType::SDMC && media_type != MediaType::GameCard) {
LOG_ERROR(Service_FS, "Unsupported media type %u", static_cast<u32>(media_type));
// Note: this is strange, but the error code was verified with a real 3DS
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
return MakeResult<std::tuple<MediaType, u64>>(media_type, program_id_reader(data));
}
ResultVal<std::tuple<MediaType, u64>> ParsePathPermitted(const Path& path) {
return ParsePath(path,
[](const u32* data) -> u64 { return (data[1] << 8) | 0x0004000000000000ULL; });
}
ResultVal<std::tuple<MediaType, u64>> ParsePathGeneral(const Path& path) {
return ParsePath(
path, [](const u32* data) -> u64 { return data[1] | (static_cast<u64>(data[2]) << 32); });
}
} // namespace
ArchiveFactory_OtherSaveDataPermitted::ArchiveFactory_OtherSaveDataPermitted(
std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata)
: sd_savedata_source(sd_savedata) {}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_OtherSaveDataPermitted::Open(
const Path& path) {
MediaType media_type;
u64 program_id;
CASCADE_RESULT(std::tie(media_type, program_id), ParsePathPermitted(path));
if (media_type == MediaType::GameCard) {
LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
return ERROR_GAMECARD_NOT_INSERTED;
}
return sd_savedata_source->Open(program_id);
}
ResultCode ArchiveFactory_OtherSaveDataPermitted::Format(
const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
LOG_ERROR(Service_FS, "Attempted to format a OtherSaveDataPermitted archive.");
return ERROR_INVALID_PATH;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_OtherSaveDataPermitted::GetFormatInfo(
const Path& path) const {
MediaType media_type;
u64 program_id;
CASCADE_RESULT(std::tie(media_type, program_id), ParsePathPermitted(path));
if (media_type == MediaType::GameCard) {
LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
return ERROR_GAMECARD_NOT_INSERTED;
}
return sd_savedata_source->GetFormatInfo(program_id);
}
ArchiveFactory_OtherSaveDataGeneral::ArchiveFactory_OtherSaveDataGeneral(
std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata)
: sd_savedata_source(sd_savedata) {}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_OtherSaveDataGeneral::Open(
const Path& path) {
MediaType media_type;
u64 program_id;
CASCADE_RESULT(std::tie(media_type, program_id), ParsePathGeneral(path));
if (media_type == MediaType::GameCard) {
LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
return ERROR_GAMECARD_NOT_INSERTED;
}
return sd_savedata_source->Open(program_id);
}
ResultCode ArchiveFactory_OtherSaveDataGeneral::Format(
const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
MediaType media_type;
u64 program_id;
CASCADE_RESULT(std::tie(media_type, program_id), ParsePathGeneral(path));
if (media_type == MediaType::GameCard) {
LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
return ERROR_GAMECARD_NOT_INSERTED;
}
return sd_savedata_source->Format(program_id, format_info);
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_OtherSaveDataGeneral::GetFormatInfo(
const Path& path) const {
MediaType media_type;
u64 program_id;
CASCADE_RESULT(std::tie(media_type, program_id), ParsePathGeneral(path));
if (media_type == MediaType::GameCard) {
LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
return ERROR_GAMECARD_NOT_INSERTED;
}
return sd_savedata_source->GetFormatInfo(program_id);
}
} // namespace FileSys

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src/core/file_sys/archive_other_savedata.h
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/file_sys/archive_source_sd_savedata.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// File system interface to the OtherSaveDataPermitted archive
class ArchiveFactory_OtherSaveDataPermitted final : public ArchiveFactory {
public:
explicit ArchiveFactory_OtherSaveDataPermitted(
std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata_source);
std::string GetName() const override {
return "OtherSaveDataPermitted";
}
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string mount_point;
std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata_source;
};
/// File system interface to the OtherSaveDataGeneral archive
class ArchiveFactory_OtherSaveDataGeneral final : public ArchiveFactory {
public:
explicit ArchiveFactory_OtherSaveDataGeneral(
std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata_source);
std::string GetName() const override {
return "OtherSaveDataGeneral";
}
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string mount_point;
std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata_source;
};
} // namespace FileSys

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src/core/file_sys/archive_savedata.cpp
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/file_sys/archive_savedata.h"
#include "core/hle/kernel/process.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
ArchiveFactory_SaveData::ArchiveFactory_SaveData(
std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata)
: sd_savedata_source(sd_savedata) {}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const Path& path) {
UNIMPLEMENTED();
return {}; //sd_savedata_source->Open(Kernel::g_current_process->codeset->program_id);
}
ResultCode ArchiveFactory_SaveData::Format(const Path& path,
const FileSys::ArchiveFormatInfo& format_info) {
UNIMPLEMENTED();
return RESULT_SUCCESS; //sd_savedata_source->Format(Kernel::g_current_process->codeset->program_id, format_info);
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SaveData::GetFormatInfo(const Path& path) const {
UNIMPLEMENTED();
return {}; //sd_savedata_source->GetFormatInfo(Kernel::g_current_process->codeset->program_id);
}
} // namespace FileSys

33
src/core/file_sys/archive_savedata.h
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/file_sys/archive_source_sd_savedata.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// File system interface to the SaveData archive
class ArchiveFactory_SaveData final : public ArchiveFactory {
public:
explicit ArchiveFactory_SaveData(std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata_source);
std::string GetName() const override {
return "SaveData";
}
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string mount_point;
std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata_source;
};
} // namespace FileSys

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src/core/file_sys/archive_sdmc.cpp
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <memory>
#include "common/file_util.h"
#include "common/logging/log.h"
#include "core/file_sys/archive_sdmc.h"
#include "core/file_sys/disk_archive.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/path_parser.h"
#include "core/settings.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
ResultVal<std::unique_ptr<FileBackend>> SDMCArchive::OpenFile(const Path& path,
const Mode& mode) const {
Mode modified_mode;
modified_mode.hex = mode.hex;
// SDMC archive always opens a file with at least read permission
modified_mode.read_flag.Assign(1);
return OpenFileBase(path, modified_mode);
}
ResultVal<std::unique_ptr<FileBackend>> SDMCArchive::OpenFileBase(const Path& path,
const Mode& mode) const {
LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
if (mode.hex == 0) {
LOG_ERROR(Service_FS, "Empty open mode");
return ERROR_INVALID_OPEN_FLAGS;
}
if (mode.create_flag && !mode.write_flag) {
LOG_ERROR(Service_FS, "Create flag set but write flag not set");
return ERROR_INVALID_OPEN_FLAGS;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_NOT_FOUND;
case PathParser::PathNotFound:
case PathParser::FileInPath:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_NOT_FOUND;
case PathParser::DirectoryFound:
LOG_ERROR(Service_FS, "%s is not a file", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
case PathParser::NotFound:
if (!mode.create_flag) {
LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.",
full_path.c_str());
return ERROR_NOT_FOUND;
} else {
// Create the file
FileUtil::CreateEmptyFile(full_path);
}
break;
case PathParser::FileFound:
break; // Expected 'success' case
}
FileUtil::IOFile file(full_path, mode.write_flag ? "r+b" : "rb");
if (!file.IsOpen()) {
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error opening %s", full_path.c_str());
return ERROR_NOT_FOUND;
}
auto disk_file = std::make_unique<DiskFile>(std::move(file), mode);
return MakeResult<std::unique_ptr<FileBackend>>(std::move(disk_file));
}
ResultCode SDMCArchive::DeleteFile(const Path& path) const {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_NOT_FOUND;
case PathParser::PathNotFound:
case PathParser::FileInPath:
case PathParser::NotFound:
LOG_ERROR(Service_FS, "%s not found", full_path.c_str());
return ERROR_NOT_FOUND;
case PathParser::DirectoryFound:
LOG_ERROR(Service_FS, "%s is not a file", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
case PathParser::FileFound:
break; // Expected 'success' case
}
if (FileUtil::Delete(full_path)) {
return RESULT_SUCCESS;
}
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error deleting %s", full_path.c_str());
return ERROR_NOT_FOUND;
}
ResultCode SDMCArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
const PathParser path_parser_src(src_path);
// TODO: Verify these return codes with HW
if (!path_parser_src.IsValid()) {
LOG_ERROR(Service_FS, "Invalid src path %s", src_path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const PathParser path_parser_dest(dest_path);
if (!path_parser_dest.IsValid()) {
LOG_ERROR(Service_FS, "Invalid dest path %s", dest_path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto src_path_full = path_parser_src.BuildHostPath(mount_point);
const auto dest_path_full = path_parser_dest.BuildHostPath(mount_point);
if (FileUtil::Rename(src_path_full, dest_path_full)) {
return RESULT_SUCCESS;
}
// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
// exist or similar. Verify.
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::NothingHappened, ErrorLevel::Status);
}
template <typename T>
static ResultCode DeleteDirectoryHelper(const Path& path, const std::string& mount_point,
T deleter) {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
if (path_parser.IsRootDirectory())
return ERROR_NOT_FOUND;
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_NOT_FOUND;
case PathParser::PathNotFound:
case PathParser::NotFound:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_NOT_FOUND;
case PathParser::FileInPath:
case PathParser::FileFound:
LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
case PathParser::DirectoryFound:
break; // Expected 'success' case
}
if (deleter(full_path)) {
return RESULT_SUCCESS;
}
LOG_ERROR(Service_FS, "Directory not empty %s", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
}
ResultCode SDMCArchive::DeleteDirectory(const Path& path) const {
return DeleteDirectoryHelper(path, mount_point, FileUtil::DeleteDir);
}
ResultCode SDMCArchive::DeleteDirectoryRecursively(const Path& path) const {
return DeleteDirectoryHelper(
path, mount_point, [](const std::string& p) { return FileUtil::DeleteDirRecursively(p); });
}
ResultCode SDMCArchive::CreateFile(const FileSys::Path& path, u64 size) const {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_NOT_FOUND;
case PathParser::PathNotFound:
case PathParser::FileInPath:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_NOT_FOUND;
case PathParser::DirectoryFound:
LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
case PathParser::FileFound:
LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
return ERROR_ALREADY_EXISTS;
case PathParser::NotFound:
break; // Expected 'success' case
}
if (size == 0) {
FileUtil::CreateEmptyFile(full_path);
return RESULT_SUCCESS;
}
FileUtil::IOFile file(full_path, "wb");
// Creates a sparse file (or a normal file on filesystems without the concept of sparse files)
// We do this by seeking to the right size, then writing a single null byte.
if (file.Seek(size - 1, SEEK_SET) && file.WriteBytes("", 1) == 1) {
return RESULT_SUCCESS;
}
LOG_ERROR(Service_FS, "Too large file");
return ResultCode(ErrorDescription::TooLarge, ErrorModule::FS, ErrorSummary::OutOfResource,
ErrorLevel::Info);
}
ResultCode SDMCArchive::CreateDirectory(const Path& path) const {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_NOT_FOUND;
case PathParser::PathNotFound:
case PathParser::FileInPath:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_NOT_FOUND;
case PathParser::DirectoryFound:
case PathParser::FileFound:
LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
return ERROR_ALREADY_EXISTS;
case PathParser::NotFound:
break; // Expected 'success' case
}
if (FileUtil::CreateDir(mount_point + path.AsString())) {
return RESULT_SUCCESS;
}
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error creating %s", mount_point.c_str());
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, ErrorSummary::Canceled,
ErrorLevel::Status);
}
ResultCode SDMCArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
const PathParser path_parser_src(src_path);
// TODO: Verify these return codes with HW
if (!path_parser_src.IsValid()) {
LOG_ERROR(Service_FS, "Invalid src path %s", src_path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const PathParser path_parser_dest(dest_path);
if (!path_parser_dest.IsValid()) {
LOG_ERROR(Service_FS, "Invalid dest path %s", dest_path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto src_path_full = path_parser_src.BuildHostPath(mount_point);
const auto dest_path_full = path_parser_dest.BuildHostPath(mount_point);
if (FileUtil::Rename(src_path_full, dest_path_full)) {
return RESULT_SUCCESS;
}
// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
// exist or similar. Verify.
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::NothingHappened, ErrorLevel::Status);
}
ResultVal<std::unique_ptr<DirectoryBackend>> SDMCArchive::OpenDirectory(const Path& path) const {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_NOT_FOUND;
case PathParser::PathNotFound:
case PathParser::NotFound:
case PathParser::FileFound:
LOG_ERROR(Service_FS, "%s not found", full_path.c_str());
return ERROR_NOT_FOUND;
case PathParser::FileInPath:
LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY_SDMC;
case PathParser::DirectoryFound:
break; // Expected 'success' case
}
auto directory = std::make_unique<DiskDirectory>(full_path);
return MakeResult<std::unique_ptr<DirectoryBackend>>(std::move(directory));
}
u64 SDMCArchive::GetFreeBytes() const {
// TODO: Stubbed to return 1GiB
return 1024 * 1024 * 1024;
}
ArchiveFactory_SDMC::ArchiveFactory_SDMC(const std::string& sdmc_directory)
: sdmc_directory(sdmc_directory) {
LOG_DEBUG(Service_FS, "Directory %s set as SDMC.", sdmc_directory.c_str());
}
bool ArchiveFactory_SDMC::Initialize() {
if (!Settings::values.use_virtual_sd) {
LOG_WARNING(Service_FS, "SDMC disabled by config.");
return false;
}
if (!FileUtil::CreateFullPath(sdmc_directory)) {
LOG_ERROR(Service_FS, "Unable to create SDMC path.");
return false;
}
return true;
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SDMC::Open(const Path& path) {
auto archive = std::make_unique<SDMCArchive>(sdmc_directory);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SDMC::Format(const Path& path,
const FileSys::ArchiveFormatInfo& format_info) {
// This is kind of an undesirable operation, so let's just ignore it. :)
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SDMC::GetFormatInfo(const Path& path) const {
// TODO(Subv): Implement
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
return ResultCode(-1);
}
} // namespace FileSys

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src/core/file_sys/archive_sdmc.h
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include "core/file_sys/archive_backend.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// Archive backend for SDMC archive
class SDMCArchive : public ArchiveBackend {
public:
explicit SDMCArchive(const std::string& mount_point_) : mount_point(mount_point_) {}
std::string GetName() const override {
return "SDMCArchive: " + mount_point;
}
ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path,
const Mode& mode) const override;
ResultCode DeleteFile(const Path& path) const override;
ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
ResultCode DeleteDirectory(const Path& path) const override;
ResultCode DeleteDirectoryRecursively(const Path& path) const override;
ResultCode CreateFile(const Path& path, u64 size) const override;
ResultCode CreateDirectory(const Path& path) const override;
ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
u64 GetFreeBytes() const override;
protected:
ResultVal<std::unique_ptr<FileBackend>> OpenFileBase(const Path& path, const Mode& mode) const;
std::string mount_point;
};
/// File system interface to the SDMC archive
class ArchiveFactory_SDMC final : public ArchiveFactory {
public:
explicit ArchiveFactory_SDMC(const std::string& mount_point);
/**
* Initialize the archive.
* @return true if it initialized successfully
*/
bool Initialize();
std::string GetName() const override {
return "SDMC";
}
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string sdmc_directory;
};
} // namespace FileSys

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src/core/file_sys/archive_sdmcwriteonly.cpp
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include "common/file_util.h"
#include "core/file_sys/archive_sdmcwriteonly.h"
#include "core/file_sys/directory_backend.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/file_backend.h"
#include "core/settings.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
ResultVal<std::unique_ptr<FileBackend>> SDMCWriteOnlyArchive::OpenFile(const Path& path,
const Mode& mode) const {
if (mode.read_flag) {
LOG_ERROR(Service_FS, "Read flag is not supported");
return ERROR_INVALID_READ_FLAG;
}
return SDMCArchive::OpenFileBase(path, mode);
}
ResultVal<std::unique_ptr<DirectoryBackend>> SDMCWriteOnlyArchive::OpenDirectory(
const Path& path) const {
LOG_ERROR(Service_FS, "Not supported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
ArchiveFactory_SDMCWriteOnly::ArchiveFactory_SDMCWriteOnly(const std::string& mount_point)
: sdmc_directory(mount_point) {
LOG_DEBUG(Service_FS, "Directory %s set as SDMCWriteOnly.", sdmc_directory.c_str());
}
bool ArchiveFactory_SDMCWriteOnly::Initialize() {
if (!Settings::values.use_virtual_sd) {
LOG_WARNING(Service_FS, "SDMC disabled by config.");
return false;
}
if (!FileUtil::CreateFullPath(sdmc_directory)) {
LOG_ERROR(Service_FS, "Unable to create SDMC path.");
return false;
}
return true;
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SDMCWriteOnly::Open(const Path& path) {
auto archive = std::make_unique<SDMCWriteOnlyArchive>(sdmc_directory);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SDMCWriteOnly::Format(const Path& path,
const FileSys::ArchiveFormatInfo& format_info) {
// TODO(wwylele): hwtest this
LOG_ERROR(Service_FS, "Attempted to format a SDMC write-only archive.");
return ResultCode(-1);
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SDMCWriteOnly::GetFormatInfo(const Path& path) const {
// TODO(Subv): Implement
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
return ResultCode(-1);
}
} // namespace FileSys

57
src/core/file_sys/archive_sdmcwriteonly.h
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/file_sys/archive_sdmc.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/**
* Archive backend for SDMC write-only archive.
* The behaviour of SDMCWriteOnlyArchive is almost the same as SDMCArchive, except for
* - OpenDirectory is unsupported;
* - OpenFile with read flag is unsupported.
*/
class SDMCWriteOnlyArchive : public SDMCArchive {
public:
explicit SDMCWriteOnlyArchive(const std::string& mount_point) : SDMCArchive(mount_point) {}
std::string GetName() const override {
return "SDMCWriteOnlyArchive: " + mount_point;
}
ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path,
const Mode& mode) const override;
ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
};
/// File system interface to the SDMC write-only archive
class ArchiveFactory_SDMCWriteOnly final : public ArchiveFactory {
public:
explicit ArchiveFactory_SDMCWriteOnly(const std::string& mount_point);
/**
* Initialize the archive.
* @return true if it initialized successfully
*/
bool Initialize();
std::string GetName() const override {
return "SDMCWriteOnly";
}
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
std::string sdmc_directory;
};
} // namespace FileSys

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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <cinttypes>
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/swap.h"
#include "core/file_sys/archive_selfncch.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/ivfc_archive.h"
#include "core/hle/kernel/process.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
enum class SelfNCCHFilePathType : u32 {
RomFS = 0,
Code = 1, // This is not supported by SelfNCCHArchive but by archive 0x2345678E
ExeFS = 2,
UpdateRomFS = 5, // This is presumably for accessing the RomFS of the update patch.
};
struct SelfNCCHFilePath {
u32_le type;
std::array<char, 8> exefs_filename;
};
static_assert(sizeof(SelfNCCHFilePath) == 12, "NCCHFilePath has wrong size!");
// A read-only file created from a block of data. It only allows you to read the entire file at
// once, in a single read operation.
class ExeFSSectionFile final : public FileBackend {
public:
explicit ExeFSSectionFile(std::shared_ptr<std::vector<u8>> data_) : data(std::move(data_)) {}
ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override {
if (offset != 0) {
LOG_ERROR(Service_FS, "offset must be zero!");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
if (length != data->size()) {
LOG_ERROR(Service_FS, "size must match the file size!");
return ERROR_INCORRECT_EXEFS_READ_SIZE;
}
std::memcpy(buffer, data->data(), data->size());
return MakeResult<size_t>(data->size());
}
ResultVal<size_t> Write(u64 offset, size_t length, bool flush,
const u8* buffer) const override {
LOG_ERROR(Service_FS, "The file is read-only!");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
u64 GetSize() const override {
return data->size();
}
bool SetSize(u64 size) const override {
return false;
}
bool Close() const override {
return true;
}
void Flush() const override {}
private:
std::shared_ptr<std::vector<u8>> data;
};
// SelfNCCHArchive represents the running application itself. From this archive the application can
// open RomFS and ExeFS, excluding the .code section.
class SelfNCCHArchive final : public ArchiveBackend {
public:
explicit SelfNCCHArchive(const NCCHData& ncch_data_) : ncch_data(ncch_data_) {}
std::string GetName() const override {
return "SelfNCCHArchive";
}
ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path, const Mode&) const override {
// Note: SelfNCCHArchive doesn't check the open mode.
if (path.GetType() != LowPathType::Binary) {
LOG_ERROR(Service_FS, "Path need to be Binary");
return ERROR_INVALID_PATH;
}
std::vector<u8> binary = path.AsBinary();
if (binary.size() != sizeof(SelfNCCHFilePath)) {
LOG_ERROR(Service_FS, "Wrong path size %zu", binary.size());
return ERROR_INVALID_PATH;
}
SelfNCCHFilePath file_path;
std::memcpy(&file_path, binary.data(), sizeof(SelfNCCHFilePath));
switch (static_cast<SelfNCCHFilePathType>(file_path.type)) {
case SelfNCCHFilePathType::UpdateRomFS:
return OpenUpdateRomFS();
case SelfNCCHFilePathType::RomFS:
return OpenRomFS();
case SelfNCCHFilePathType::Code:
LOG_ERROR(Service_FS, "Reading the code section is not supported!");
return ERROR_COMMAND_NOT_ALLOWED;
case SelfNCCHFilePathType::ExeFS: {
const auto& raw = file_path.exefs_filename;
auto end = std::find(raw.begin(), raw.end(), '\0');
std::string filename(raw.begin(), end);
return OpenExeFS(filename);
}
default:
LOG_ERROR(Service_FS, "Unknown file type %u!", static_cast<u32>(file_path.type));
return ERROR_INVALID_PATH;
}
}
ResultCode DeleteFile(const Path& path) const override {
LOG_ERROR(Service_FS, "Unsupported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override {
LOG_ERROR(Service_FS, "Unsupported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
ResultCode DeleteDirectory(const Path& path) const override {
LOG_ERROR(Service_FS, "Unsupported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
ResultCode DeleteDirectoryRecursively(const Path& path) const override {
LOG_ERROR(Service_FS, "Unsupported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
ResultCode CreateFile(const Path& path, u64 size) const override {
LOG_ERROR(Service_FS, "Unsupported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
ResultCode CreateDirectory(const Path& path) const override {
LOG_ERROR(Service_FS, "Unsupported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override {
LOG_ERROR(Service_FS, "Unsupported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override {
LOG_ERROR(Service_FS, "Unsupported");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
u64 GetFreeBytes() const override {
return 0;
}
private:
ResultVal<std::unique_ptr<FileBackend>> OpenRomFS() const {
if (ncch_data.romfs_file) {
return MakeResult<std::unique_ptr<FileBackend>>(std::make_unique<IVFCFile>(
ncch_data.romfs_file, ncch_data.romfs_offset, ncch_data.romfs_size));
} else {
LOG_INFO(Service_FS, "Unable to read RomFS");
return ERROR_ROMFS_NOT_FOUND;
}
}
ResultVal<std::unique_ptr<FileBackend>> OpenUpdateRomFS() const {
if (ncch_data.update_romfs_file) {
return MakeResult<std::unique_ptr<FileBackend>>(std::make_unique<IVFCFile>(
ncch_data.update_romfs_file, ncch_data.update_romfs_offset,
ncch_data.update_romfs_size));
} else {
LOG_INFO(Service_FS, "Unable to read update RomFS");
return ERROR_ROMFS_NOT_FOUND;
}
}
ResultVal<std::unique_ptr<FileBackend>> OpenExeFS(const std::string& filename) const {
if (filename == "icon") {
if (ncch_data.icon) {
return MakeResult<std::unique_ptr<FileBackend>>(
std::make_unique<ExeFSSectionFile>(ncch_data.icon));
}
LOG_WARNING(Service_FS, "Unable to read icon");
return ERROR_EXEFS_SECTION_NOT_FOUND;
}
if (filename == "logo") {
if (ncch_data.logo) {
return MakeResult<std::unique_ptr<FileBackend>>(
std::make_unique<ExeFSSectionFile>(ncch_data.logo));
}
LOG_WARNING(Service_FS, "Unable to read logo");
return ERROR_EXEFS_SECTION_NOT_FOUND;
}
if (filename == "banner") {
if (ncch_data.banner) {
return MakeResult<std::unique_ptr<FileBackend>>(
std::make_unique<ExeFSSectionFile>(ncch_data.banner));
}
LOG_WARNING(Service_FS, "Unable to read banner");
return ERROR_EXEFS_SECTION_NOT_FOUND;
}
LOG_ERROR(Service_FS, "Unknown ExeFS section %s!", filename.c_str());
return ERROR_INVALID_PATH;
}
NCCHData ncch_data;
};
void ArchiveFactory_SelfNCCH::Register(Loader::AppLoader& app_loader) {
u64 program_id = 0;
if (app_loader.ReadProgramId(program_id) != Loader::ResultStatus::Success) {
LOG_WARNING(
Service_FS,
"Could not read program id when registering with SelfNCCH, this might be a 3dsx file");
}
LOG_DEBUG(Service_FS, "Registering program %016" PRIX64 " with the SelfNCCH archive factory",
program_id);
if (ncch_data.find(program_id) != ncch_data.end()) {
LOG_WARNING(Service_FS, "Registering program %016" PRIX64
" with SelfNCCH will override existing mapping",
program_id);
}
NCCHData& data = ncch_data[program_id];
std::shared_ptr<FileUtil::IOFile> romfs_file_;
if (Loader::ResultStatus::Success ==
app_loader.ReadRomFS(romfs_file_, data.romfs_offset, data.romfs_size)) {
data.romfs_file = std::move(romfs_file_);
}
std::shared_ptr<FileUtil::IOFile> update_romfs_file;
if (Loader::ResultStatus::Success ==
app_loader.ReadUpdateRomFS(update_romfs_file, data.update_romfs_offset,
data.update_romfs_size)) {
data.update_romfs_file = std::move(update_romfs_file);
}
std::vector<u8> buffer;
if (Loader::ResultStatus::Success == app_loader.ReadIcon(buffer))
data.icon = std::make_shared<std::vector<u8>>(std::move(buffer));
buffer.clear();
if (Loader::ResultStatus::Success == app_loader.ReadLogo(buffer))
data.logo = std::make_shared<std::vector<u8>>(std::move(buffer));
buffer.clear();
if (Loader::ResultStatus::Success == app_loader.ReadBanner(buffer))
data.banner = std::make_shared<std::vector<u8>>(std::move(buffer));
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SelfNCCH::Open(const Path& path) {
//auto archive = std::make_unique<SelfNCCHArchive>(
// ncch_data[Kernel::g_current_process->codeset->program_id]);
//return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
return {};
}
ResultCode ArchiveFactory_SelfNCCH::Format(const Path&, const FileSys::ArchiveFormatInfo&) {
LOG_ERROR(Service_FS, "Attempted to format a SelfNCCH archive.");
return ERROR_INVALID_PATH;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SelfNCCH::GetFormatInfo(const Path&) const {
LOG_ERROR(Service_FS, "Attempted to get format info of a SelfNCCH archive");
return ERROR_INVALID_PATH;
}
} // namespace FileSys

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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
#include "common/common_types.h"
#include "core/file_sys/archive_backend.h"
#include "core/hle/result.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
struct NCCHData {
std::shared_ptr<std::vector<u8>> icon;
std::shared_ptr<std::vector<u8>> logo;
std::shared_ptr<std::vector<u8>> banner;
std::shared_ptr<FileUtil::IOFile> romfs_file;
u64 romfs_offset = 0;
u64 romfs_size = 0;
std::shared_ptr<FileUtil::IOFile> update_romfs_file;
u64 update_romfs_offset = 0;
u64 update_romfs_size = 0;
};
/// File system interface to the SelfNCCH archive
class ArchiveFactory_SelfNCCH final : public ArchiveFactory {
public:
ArchiveFactory_SelfNCCH() = default;
/// Registers a loaded application so that we can open its SelfNCCH archive when requested.
void Register(Loader::AppLoader& app_loader);
std::string GetName() const override {
return "SelfNCCH";
}
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
private:
/// Mapping of ProgramId -> NCCHData
std::unordered_map<u64, NCCHData> ncch_data;
};
} // namespace FileSys

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src/core/file_sys/archive_source_sd_savedata.cpp
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/file_sys/archive_source_sd_savedata.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/savedata_archive.h"
#include "core/hle/service/fs/archive.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
namespace {
std::string GetSaveDataContainerPath(const std::string& sdmc_directory) {
return Common::StringFromFormat("%sNintendo 3DS/%s/%s/title/", sdmc_directory.c_str(),
SYSTEM_ID, SDCARD_ID);
}
std::string GetSaveDataPath(const std::string& mount_location, u64 program_id) {
u32 high = static_cast<u32>(program_id >> 32);
u32 low = static_cast<u32>(program_id & 0xFFFFFFFF);
return Common::StringFromFormat("%s%08x/%08x/data/00000001/", mount_location.c_str(), high,
low);
}
std::string GetSaveDataMetadataPath(const std::string& mount_location, u64 program_id) {
u32 high = static_cast<u32>(program_id >> 32);
u32 low = static_cast<u32>(program_id & 0xFFFFFFFF);
return Common::StringFromFormat("%s%08x/%08x/data/00000001.metadata", mount_location.c_str(),
high, low);
}
} // namespace
ArchiveSource_SDSaveData::ArchiveSource_SDSaveData(const std::string& sdmc_directory)
: mount_point(GetSaveDataContainerPath(sdmc_directory)) {
LOG_DEBUG(Service_FS, "Directory %s set as SaveData.", mount_point.c_str());
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveSource_SDSaveData::Open(u64 program_id) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, program_id);
if (!FileUtil::Exists(concrete_mount_point)) {
// When a SaveData archive is created for the first time, it is not yet formatted and the
// save file/directory structure expected by the game has not yet been initialized.
// Returning the NotFormatted error code will signal the game to provision the SaveData
// archive with the files and folders that it expects.
return ERR_NOT_FORMATTED;
}
auto archive = std::make_unique<SaveDataArchive>(std::move(concrete_mount_point));
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveSource_SDSaveData::Format(u64 program_id,
const FileSys::ArchiveFormatInfo& format_info) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, program_id);
FileUtil::DeleteDirRecursively(concrete_mount_point);
FileUtil::CreateFullPath(concrete_mount_point);
// Write the format metadata
std::string metadata_path = GetSaveDataMetadataPath(mount_point, program_id);
FileUtil::IOFile file(metadata_path, "wb");
if (file.IsOpen()) {
file.WriteBytes(&format_info, sizeof(format_info));
return RESULT_SUCCESS;
}
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveSource_SDSaveData::GetFormatInfo(u64 program_id) const {
std::string metadata_path = GetSaveDataMetadataPath(mount_point, program_id);
FileUtil::IOFile file(metadata_path, "rb");
if (!file.IsOpen()) {
LOG_ERROR(Service_FS, "Could not open metadata information for archive");
// TODO(Subv): Verify error code
return ERR_NOT_FORMATTED;
}
ArchiveFormatInfo info = {};
file.ReadBytes(&info, sizeof(info));
return MakeResult<ArchiveFormatInfo>(info);
}
std::string ArchiveSource_SDSaveData::GetSaveDataPathFor(const std::string& mount_point,
u64 program_id) {
return GetSaveDataPath(GetSaveDataContainerPath(mount_point), program_id);
}
} // namespace FileSys

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src/core/file_sys/archive_source_sd_savedata.h
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include "core/file_sys/archive_backend.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// A common source of SD save data archive
class ArchiveSource_SDSaveData {
public:
explicit ArchiveSource_SDSaveData(const std::string& mount_point);
ResultVal<std::unique_ptr<ArchiveBackend>> Open(u64 program_id);
ResultCode Format(u64 program_id, const FileSys::ArchiveFormatInfo& format_info);
ResultVal<ArchiveFormatInfo> GetFormatInfo(u64 program_id) const;
static std::string GetSaveDataPathFor(const std::string& mount_point, u64 program_id);
private:
std::string mount_point;
};
} // namespace FileSys

77
src/core/file_sys/archive_systemsavedata.cpp
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <memory>
#include <vector>
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/string_util.h"
#include "core/file_sys/archive_systemsavedata.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/savedata_archive.h"
#include "core/hle/service/fs/archive.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
std::string GetSystemSaveDataPath(const std::string& mount_point, const Path& path) {
std::vector<u8> vec_data = path.AsBinary();
const u32* data = reinterpret_cast<const u32*>(vec_data.data());
u32 save_low = data[1];
u32 save_high = data[0];
return Common::StringFromFormat("%s%08X/%08X/", mount_point.c_str(), save_low, save_high);
}
std::string GetSystemSaveDataContainerPath(const std::string& mount_point) {
return Common::StringFromFormat("%sdata/%s/sysdata/", mount_point.c_str(), SYSTEM_ID);
}
Path ConstructSystemSaveDataBinaryPath(u32 high, u32 low) {
std::vector<u8> binary_path;
binary_path.reserve(8);
// Append each word byte by byte
// First is the high word
for (unsigned i = 0; i < 4; ++i)
binary_path.push_back((high >> (8 * i)) & 0xFF);
// Next is the low word
for (unsigned i = 0; i < 4; ++i)
binary_path.push_back((low >> (8 * i)) & 0xFF);
return {binary_path};
}
ArchiveFactory_SystemSaveData::ArchiveFactory_SystemSaveData(const std::string& nand_path)
: base_path(GetSystemSaveDataContainerPath(nand_path)) {}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SystemSaveData::Open(const Path& path) {
std::string fullpath = GetSystemSaveDataPath(base_path, path);
if (!FileUtil::Exists(fullpath)) {
// TODO(Subv): Check error code, this one is probably wrong
return ERR_NOT_FORMATTED;
}
auto archive = std::make_unique<SaveDataArchive>(fullpath);
return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
}
ResultCode ArchiveFactory_SystemSaveData::Format(const Path& path,
const FileSys::ArchiveFormatInfo& format_info) {
std::string fullpath = GetSystemSaveDataPath(base_path, path);
FileUtil::DeleteDirRecursively(fullpath);
FileUtil::CreateFullPath(fullpath);
return RESULT_SUCCESS;
}
ResultVal<ArchiveFormatInfo> ArchiveFactory_SystemSaveData::GetFormatInfo(const Path& path) const {
// TODO(Subv): Implement
LOG_ERROR(Service_FS, "Unimplemented GetFormatInfo archive %s", GetName().c_str());
return ResultCode(-1);
}
} // namespace FileSys

61
src/core/file_sys/archive_systemsavedata.h
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include "common/common_types.h"
#include "core/file_sys/archive_backend.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// File system interface to the SystemSaveData archive
class ArchiveFactory_SystemSaveData final : public ArchiveFactory {
public:
explicit ArchiveFactory_SystemSaveData(const std::string& mount_point);
ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
std::string GetName() const override {
return "SystemSaveData";
}
private:
std::string base_path;
};
/**
* Constructs a path to the concrete SystemSaveData archive in the host filesystem based on the
* input Path and base mount point.
* @param mount_point The base mount point of the SystemSaveData archives.
* @param path The path that identifies the requested concrete SystemSaveData archive.
* @returns The complete path to the specified SystemSaveData archive in the host filesystem
*/
std::string GetSystemSaveDataPath(const std::string& mount_point, const Path& path);
/**
* Constructs a path to the base folder to hold concrete SystemSaveData archives in the host file
* system.
* @param mount_point The base folder where this folder resides, ie. SDMC or NAND.
* @returns The path to the base SystemSaveData archives' folder in the host file system
*/
std::string GetSystemSaveDataContainerPath(const std::string& mount_point);
/**
* Constructs a FileSys::Path object that refers to the SystemSaveData archive identified by
* the specified high save id and low save id.
* @param high The high word of the save id for the archive
* @param low The low word of the save id for the archive
* @returns A FileSys::Path to the wanted archive
*/
Path ConstructSystemSaveDataBinaryPath(u32 high, u32 low);
} // namespace FileSys

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src/core/hle/service/cfg/cfg.cpp
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <array>
#include <cryptopp/osrng.h>
#include <cryptopp/sha.h>
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "common/swap.h"
#include "core/file_sys/archive_systemsavedata.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/file_backend.h"
#include "core/hle/ipc.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/result.h"
#include "core/hle/service/cfg/cfg.h"
#include "core/hle/service/cfg/cfg_i.h"
#include "core/hle/service/cfg/cfg_nor.h"
#include "core/hle/service/cfg/cfg_s.h"
#include "core/hle/service/cfg/cfg_u.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/service/service.h"
#include "core/memory.h"
#include "core/settings.h"
namespace Service {
namespace CFG {
/// The maximum number of block entries that can exist in the config file
static const u32 CONFIG_FILE_MAX_BLOCK_ENTRIES = 1479;
namespace {
/**
* The header of the config savedata file,
* contains information about the blocks in the file
*/
struct SaveFileConfig {
u16 total_entries; ///< The total number of set entries in the config file
u16 data_entries_offset; ///< The offset where the data for the blocks start, this is hardcoded
/// to 0x455C as per hardware
SaveConfigBlockEntry block_entries[CONFIG_FILE_MAX_BLOCK_ENTRIES]; ///< The block headers, the
/// maximum possible value is
/// 1479 as per hardware
u32 unknown; ///< This field is unknown, possibly padding, 0 has been observed in hardware
};
static_assert(sizeof(SaveFileConfig) == 0x455C,
"SaveFileConfig header must be exactly 0x455C bytes");
enum ConfigBlockID {
StereoCameraSettingsBlockID = 0x00050005,
SoundOutputModeBlockID = 0x00070001,
ConsoleUniqueID1BlockID = 0x00090000,
ConsoleUniqueID2BlockID = 0x00090001,
ConsoleUniqueID3BlockID = 0x00090002,
UsernameBlockID = 0x000A0000,
BirthdayBlockID = 0x000A0001,
LanguageBlockID = 0x000A0002,
CountryInfoBlockID = 0x000B0000,
CountryNameBlockID = 0x000B0001,
StateNameBlockID = 0x000B0002,
EULAVersionBlockID = 0x000D0000,
ConsoleModelBlockID = 0x000F0004,
};
struct UsernameBlock {
char16_t username[10]; ///< Exactly 20 bytes long, padded with zeros at the end if necessary
u32 zero;
u32 ng_word;
};
static_assert(sizeof(UsernameBlock) == 0x1C, "UsernameBlock must be exactly 0x1C bytes");
struct BirthdayBlock {
u8 month; ///< The month of the birthday
u8 day; ///< The day of the birthday
};
static_assert(sizeof(BirthdayBlock) == 2, "BirthdayBlock must be exactly 2 bytes");
struct ConsoleModelInfo {
u8 model; ///< The console model (3DS, 2DS, etc)
u8 unknown[3]; ///< Unknown data
};
static_assert(sizeof(ConsoleModelInfo) == 4, "ConsoleModelInfo must be exactly 4 bytes");
struct ConsoleCountryInfo {
u8 unknown[3]; ///< Unknown data
u8 country_code; ///< The country code of the console
};
static_assert(sizeof(ConsoleCountryInfo) == 4, "ConsoleCountryInfo must be exactly 4 bytes");
}
static const ConsoleModelInfo CONSOLE_MODEL = {NINTENDO_3DS_XL, {0, 0, 0}};
static const u8 CONSOLE_LANGUAGE = LANGUAGE_EN;
static const UsernameBlock CONSOLE_USERNAME_BLOCK = {u"CITRA", 0, 0};
static const BirthdayBlock PROFILE_BIRTHDAY = {3, 25}; // March 25th, 2014
static const u8 SOUND_OUTPUT_MODE = SOUND_SURROUND;
static const u8 UNITED_STATES_COUNTRY_ID = 49;
/// TODO(Subv): Find what the other bytes are
static const ConsoleCountryInfo COUNTRY_INFO = {{0, 0, 0}, UNITED_STATES_COUNTRY_ID};
/**
* TODO(Subv): Find out what this actually is, these values fix some NaN uniforms in some games,
* for example Nintendo Zone
* Thanks Normmatt for providing this information
*/
static const std::array<float, 8> STEREO_CAMERA_SETTINGS = {
62.0f, 289.0f, 76.80000305175781f, 46.08000183105469f,
10.0f, 5.0f, 55.58000183105469f, 21.56999969482422f,
};
static_assert(sizeof(STEREO_CAMERA_SETTINGS) == 0x20,
"STEREO_CAMERA_SETTINGS must be exactly 0x20 bytes");
static const u32 CONFIG_SAVEFILE_SIZE = 0x8000;
static std::array<u8, CONFIG_SAVEFILE_SIZE> cfg_config_file_buffer;
static Service::FS::ArchiveHandle cfg_system_save_data_archive;
static const std::vector<u8> cfg_system_savedata_id = {
0x00, 0x00, 0x00, 0x00, 0x17, 0x00, 0x01, 0x00,
};
static u32 preferred_region_code = 0;
void GetCountryCodeString(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 country_code_id = cmd_buff[1];
if (country_code_id >= country_codes.size() || 0 == country_codes[country_code_id]) {
LOG_ERROR(Service_CFG, "requested country code id=%d is invalid", country_code_id);
cmd_buff[1] = ResultCode(ErrorDescription::NotFound, ErrorModule::Config,
ErrorSummary::WrongArgument, ErrorLevel::Permanent)
.raw;
return;
}
cmd_buff[1] = 0;
cmd_buff[2] = country_codes[country_code_id];
}
void GetCountryCodeID(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u16 country_code = static_cast<u16>(cmd_buff[1]);
u16 country_code_id = 0;
// The following algorithm will fail if the first country code isn't 0.
DEBUG_ASSERT(country_codes[0] == 0);
for (u16 id = 0; id < country_codes.size(); ++id) {
if (country_codes[id] == country_code) {
country_code_id = id;
break;
}
}
if (0 == country_code_id) {
LOG_ERROR(Service_CFG, "requested country code name=%c%c is invalid", country_code & 0xff,
country_code >> 8);
cmd_buff[1] = ResultCode(ErrorDescription::NotFound, ErrorModule::Config,
ErrorSummary::WrongArgument, ErrorLevel::Permanent)
.raw;
cmd_buff[2] = 0xFFFF;
return;
}
cmd_buff[1] = 0;
cmd_buff[2] = country_code_id;
}
u32 GetRegionValue() {
if (Settings::values.region_value == Settings::REGION_VALUE_AUTO_SELECT)
return preferred_region_code;
return Settings::values.region_value;
}
void SecureInfoGetRegion(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = RESULT_SUCCESS.raw;
cmd_buff[2] = GetRegionValue();
}
void GenHashConsoleUnique(Service::Interface* self) {
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x03, 1, 0);
const u32 app_id_salt = rp.Pop<u32>() & 0x000FFFFF;
IPC::RequestBuilder rb = rp.MakeBuilder(3, 0);
std::array<u8, 12> buffer;
const ResultCode result = GetConfigInfoBlock(ConsoleUniqueID2BlockID, 8, 2, buffer.data());
rb.Push(result);
if (result.IsSuccess()) {
std::memcpy(&buffer[8], &app_id_salt, sizeof(u32));
std::array<u8, CryptoPP::SHA256::DIGESTSIZE> hash;
CryptoPP::SHA256().CalculateDigest(hash.data(), buffer.data(), sizeof(buffer));
u32 low, high;
memcpy(&low, &hash[hash.size() - 8], sizeof(u32));
memcpy(&high, &hash[hash.size() - 4], sizeof(u32));
rb.Push(low);
rb.Push(high);
} else {
rb.Push<u32>(0);
rb.Push<u32>(0);
}
LOG_DEBUG(Service_CFG, "called app_id_salt=0x%X", app_id_salt);
}
void GetRegionCanadaUSA(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = RESULT_SUCCESS.raw;
u8 canada_or_usa = 1;
if (canada_or_usa == GetRegionValue()) {
cmd_buff[2] = 1;
} else {
cmd_buff[2] = 0;
}
}
void GetSystemModel(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 data;
// TODO(Subv): Find out the correct error codes
cmd_buff[1] =
Service::CFG::GetConfigInfoBlock(0x000F0004, 4, 0x8, reinterpret_cast<u8*>(&data)).raw;
cmd_buff[2] = data & 0xFF;
}
void GetModelNintendo2DS(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 data;
// TODO(Subv): Find out the correct error codes
cmd_buff[1] =
Service::CFG::GetConfigInfoBlock(0x000F0004, 4, 0x8, reinterpret_cast<u8*>(&data)).raw;
u8 model = data & 0xFF;
if (model == Service::CFG::NINTENDO_2DS)
cmd_buff[2] = 0;
else
cmd_buff[2] = 1;
}
void GetConfigInfoBlk2(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 size = cmd_buff[1];
u32 block_id = cmd_buff[2];
VAddr data_pointer = cmd_buff[4];
if (!Memory::IsValidVirtualAddress(data_pointer)) {
cmd_buff[1] = -1; // TODO(Subv): Find the right error code
return;
}
std::vector<u8> data(size);
cmd_buff[1] = Service::CFG::GetConfigInfoBlock(block_id, size, 0x2, data.data()).raw;
Memory::WriteBlock(data_pointer, data.data(), data.size());
}
void GetConfigInfoBlk8(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 size = cmd_buff[1];
u32 block_id = cmd_buff[2];
VAddr data_pointer = cmd_buff[4];
if (!Memory::IsValidVirtualAddress(data_pointer)) {
cmd_buff[1] = -1; // TODO(Subv): Find the right error code
return;
}
std::vector<u8> data(size);
cmd_buff[1] = Service::CFG::GetConfigInfoBlock(block_id, size, 0x8, data.data()).raw;
Memory::WriteBlock(data_pointer, data.data(), data.size());
}
void SetConfigInfoBlk4(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 block_id = cmd_buff[1];
u32 size = cmd_buff[2];
VAddr data_pointer = cmd_buff[4];
if (!Memory::IsValidVirtualAddress(data_pointer)) {
cmd_buff[1] = -1; // TODO(Subv): Find the right error code
return;
}
std::vector<u8> data(size);
Memory::ReadBlock(data_pointer, data.data(), data.size());
cmd_buff[1] = Service::CFG::SetConfigInfoBlock(block_id, size, 0x4, data.data()).raw;
}
void UpdateConfigNANDSavegame(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = Service::CFG::UpdateConfigNANDSavegame().raw;
}
void FormatConfig(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = Service::CFG::FormatConfig().raw;
}
static ResultVal<void*> GetConfigInfoBlockPointer(u32 block_id, u32 size, u32 flag) {
// Read the header
SaveFileConfig* config = reinterpret_cast<SaveFileConfig*>(cfg_config_file_buffer.data());
auto itr =
std::find_if(std::begin(config->block_entries), std::end(config->block_entries),
[&](const SaveConfigBlockEntry& entry) { return entry.block_id == block_id; });
if (itr == std::end(config->block_entries)) {
LOG_ERROR(Service_CFG, "Config block 0x%X with flags %u and size %u was not found",
block_id, flag, size);
return ResultCode(ErrorDescription::NotFound, ErrorModule::Config,
ErrorSummary::WrongArgument, ErrorLevel::Permanent);
}
if ((itr->flags & flag) == 0) {
LOG_ERROR(Service_CFG, "Invalid flag %u for config block 0x%X with size %u", flag, block_id,
size);
return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::Config,
ErrorSummary::WrongArgument, ErrorLevel::Permanent);
}
if (itr->size != size) {
LOG_ERROR(Service_CFG, "Invalid size %u for config block 0x%X with flags %u", size,
block_id, flag);
return ResultCode(ErrorDescription::InvalidSize, ErrorModule::Config,
ErrorSummary::WrongArgument, ErrorLevel::Permanent);
}
void* pointer;
// The data is located in the block header itself if the size is less than 4 bytes
if (itr->size <= 4)
pointer = &itr->offset_or_data;
else
pointer = &cfg_config_file_buffer[itr->offset_or_data];
return MakeResult<void*>(pointer);
}
ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, void* output) {
void* pointer;
CASCADE_RESULT(pointer, GetConfigInfoBlockPointer(block_id, size, flag));
memcpy(output, pointer, size);
return RESULT_SUCCESS;
}
ResultCode SetConfigInfoBlock(u32 block_id, u32 size, u32 flag, const void* input) {
void* pointer;
CASCADE_RESULT(pointer, GetConfigInfoBlockPointer(block_id, size, flag));
memcpy(pointer, input, size);
return RESULT_SUCCESS;
}
ResultCode CreateConfigInfoBlk(u32 block_id, u16 size, u16 flags, const void* data) {
SaveFileConfig* config = reinterpret_cast<SaveFileConfig*>(cfg_config_file_buffer.data());
if (config->total_entries >= CONFIG_FILE_MAX_BLOCK_ENTRIES)
return ResultCode(-1); // TODO(Subv): Find the right error code
// Insert the block header with offset 0 for now
config->block_entries[config->total_entries] = {block_id, 0, size, flags};
if (size > 4) {
u32 offset = config->data_entries_offset;
// Perform a search to locate the next offset for the new data
// use the offset and size of the previous block to determine the new position
for (int i = config->total_entries - 1; i >= 0; --i) {
// Ignore the blocks that don't have a separate data offset
if (config->block_entries[i].size > 4) {
offset = config->block_entries[i].offset_or_data + config->block_entries[i].size;
break;
}
}
config->block_entries[config->total_entries].offset_or_data = offset;
// Write the data at the new offset
memcpy(&cfg_config_file_buffer[offset], data, size);
} else {
// The offset_or_data field in the header contains the data itself if it's 4 bytes or less
memcpy(&config->block_entries[config->total_entries].offset_or_data, data, size);
}
++config->total_entries;
return RESULT_SUCCESS;
}
ResultCode DeleteConfigNANDSaveFile() {
FileSys::Path path("/config");
return Service::FS::DeleteFileFromArchive(cfg_system_save_data_archive, path);
}
ResultCode UpdateConfigNANDSavegame() {
FileSys::Mode mode = {};
mode.write_flag.Assign(1);
mode.create_flag.Assign(1);
FileSys::Path path("/config");
auto config_result = Service::FS::OpenFileFromArchive(cfg_system_save_data_archive, path, mode);
ASSERT_MSG(config_result.Succeeded(), "could not open file");
auto config = std::move(config_result).Unwrap();
config->backend->Write(0, CONFIG_SAVEFILE_SIZE, 1, cfg_config_file_buffer.data());
return RESULT_SUCCESS;
}
ResultCode FormatConfig() {
ResultCode res = DeleteConfigNANDSaveFile();
// The delete command fails if the file doesn't exist, so we have to check that too
if (!res.IsSuccess() && res != FileSys::ERROR_FILE_NOT_FOUND) {
return res;
}
// Delete the old data
cfg_config_file_buffer.fill(0);
// Create the header
SaveFileConfig* config = reinterpret_cast<SaveFileConfig*>(cfg_config_file_buffer.data());
// This value is hardcoded, taken from 3dbrew, verified by hardware, it's always the same value
config->data_entries_offset = 0x455C;
// Insert the default blocks
u8 zero_buffer[0xC0] = {};
// 0x00030001 - Unknown
res = CreateConfigInfoBlk(0x00030001, 0x8, 0xE, zero_buffer);
if (!res.IsSuccess())
return res;
res = CreateConfigInfoBlk(StereoCameraSettingsBlockID, sizeof(STEREO_CAMERA_SETTINGS), 0xE,
STEREO_CAMERA_SETTINGS.data());
if (!res.IsSuccess())
return res;
res = CreateConfigInfoBlk(SoundOutputModeBlockID, sizeof(SOUND_OUTPUT_MODE), 0xE,
&SOUND_OUTPUT_MODE);
if (!res.IsSuccess())
return res;
u32 random_number;
u64 console_id;
GenerateConsoleUniqueId(random_number, console_id);
u64_le console_id_le = console_id;
res = CreateConfigInfoBlk(ConsoleUniqueID1BlockID, sizeof(console_id_le), 0xE, &console_id_le);
if (!res.IsSuccess())
return res;
res = CreateConfigInfoBlk(ConsoleUniqueID2BlockID, sizeof(console_id_le), 0xE, &console_id_le);
if (!res.IsSuccess())
return res;
u32_le random_number_le = random_number;
res = CreateConfigInfoBlk(ConsoleUniqueID3BlockID, sizeof(random_number_le), 0xE,
&random_number_le);
if (!res.IsSuccess())
return res;
res = CreateConfigInfoBlk(UsernameBlockID, sizeof(CONSOLE_USERNAME_BLOCK), 0xE,
&CONSOLE_USERNAME_BLOCK);
if (!res.IsSuccess())
return res;
res = CreateConfigInfoBlk(BirthdayBlockID, sizeof(PROFILE_BIRTHDAY), 0xE, &PROFILE_BIRTHDAY);
if (!res.IsSuccess())
return res;
res = CreateConfigInfoBlk(LanguageBlockID, sizeof(CONSOLE_LANGUAGE), 0xE, &CONSOLE_LANGUAGE);
if (!res.IsSuccess())
return res;
res = CreateConfigInfoBlk(CountryInfoBlockID, sizeof(COUNTRY_INFO), 0xE, &COUNTRY_INFO);
if (!res.IsSuccess())
return res;
u16_le country_name_buffer[16][0x40] = {};
std::u16string region_name = Common::UTF8ToUTF16("Gensokyo");
for (size_t i = 0; i < 16; ++i) {
std::copy(region_name.cbegin(), region_name.cend(), country_name_buffer[i]);
}
// 0x000B0001 - Localized names for the profile Country
res = CreateConfigInfoBlk(CountryNameBlockID, sizeof(country_name_buffer), 0xE,
country_name_buffer);
if (!res.IsSuccess())
return res;
// 0x000B0002 - Localized names for the profile State/Province
res = CreateConfigInfoBlk(StateNameBlockID, sizeof(country_name_buffer), 0xE,
country_name_buffer);
if (!res.IsSuccess())
return res;
// 0x000B0003 - Unknown, related to country/address (zip code?)
res = CreateConfigInfoBlk(0x000B0003, 0x4, 0xE, zero_buffer);
if (!res.IsSuccess())
return res;
// 0x000C0000 - Unknown
res = CreateConfigInfoBlk(0x000C0000, 0xC0, 0xE, zero_buffer);
if (!res.IsSuccess())
return res;
// 0x000C0001 - Unknown
res = CreateConfigInfoBlk(0x000C0001, 0x14, 0xE, zero_buffer);
if (!res.IsSuccess())
return res;
// 0x000D0000 - Accepted EULA version
res = CreateConfigInfoBlk(EULAVersionBlockID, 0x4, 0xE, zero_buffer);
if (!res.IsSuccess())
return res;
res = CreateConfigInfoBlk(ConsoleModelBlockID, sizeof(CONSOLE_MODEL), 0xC, &CONSOLE_MODEL);
if (!res.IsSuccess())
return res;
// 0x00170000 - Unknown
res = CreateConfigInfoBlk(0x00170000, 0x4, 0xE, zero_buffer);
if (!res.IsSuccess())
return res;
// Save the buffer to the file
res = UpdateConfigNANDSavegame();
if (!res.IsSuccess())
return res;
return RESULT_SUCCESS;
}
ResultCode LoadConfigNANDSaveFile() {
// Open the SystemSaveData archive 0x00010017
FileSys::Path archive_path(cfg_system_savedata_id);
auto archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);
// If the archive didn't exist, create the files inside
if (archive_result.Code() == FileSys::ERR_NOT_FORMATTED) {
// Format the archive to create the directories
Service::FS::FormatArchive(Service::FS::ArchiveIdCode::SystemSaveData,
FileSys::ArchiveFormatInfo(), archive_path);
// Open it again to get a valid archive now that the folder exists
archive_result =
Service::FS::OpenArchive(Service::FS::ArchiveIdCode::SystemSaveData, archive_path);
}
ASSERT_MSG(archive_result.Succeeded(), "Could not open the CFG SystemSaveData archive!");
cfg_system_save_data_archive = *archive_result;
FileSys::Path config_path("/config");
FileSys::Mode open_mode = {};
open_mode.read_flag.Assign(1);
auto config_result = Service::FS::OpenFileFromArchive(*archive_result, config_path, open_mode);
// Read the file if it already exists
if (config_result.Succeeded()) {
auto config = std::move(config_result).Unwrap();
config->backend->Read(0, CONFIG_SAVEFILE_SIZE, cfg_config_file_buffer.data());
return RESULT_SUCCESS;
}
return FormatConfig();
}
void Init() {
AddService(new CFG_I);
AddService(new CFG_NOR);
AddService(new CFG_S);
AddService(new CFG_U);
LoadConfigNANDSaveFile();
preferred_region_code = 0;
}
void Shutdown() {}
/// Checks if the language is available in the chosen region, and returns a proper one
static SystemLanguage AdjustLanguageInfoBlock(u32 region, SystemLanguage language) {
static const std::array<std::vector<SystemLanguage>, 7> region_languages{{
// JPN
{LANGUAGE_JP},
// USA
{LANGUAGE_EN, LANGUAGE_FR, LANGUAGE_ES, LANGUAGE_PT},
// EUR
{LANGUAGE_EN, LANGUAGE_FR, LANGUAGE_DE, LANGUAGE_IT, LANGUAGE_ES, LANGUAGE_NL, LANGUAGE_PT,
LANGUAGE_RU},
// AUS
{LANGUAGE_EN, LANGUAGE_FR, LANGUAGE_DE, LANGUAGE_IT, LANGUAGE_ES, LANGUAGE_NL, LANGUAGE_PT,
LANGUAGE_RU},
// CHN
{LANGUAGE_ZH},
// KOR
{LANGUAGE_KO},
// TWN
{LANGUAGE_TW},
}};
const auto& available = region_languages[region];
if (std::find(available.begin(), available.end(), language) == available.end()) {
return available[0];
}
return language;
}
void SetPreferredRegionCode(u32 region_code) {
preferred_region_code = region_code;
LOG_INFO(Service_CFG, "Preferred region code set to %u", preferred_region_code);
if (Settings::values.region_value == Settings::REGION_VALUE_AUTO_SELECT) {
const SystemLanguage current_language = GetSystemLanguage();
const SystemLanguage adjusted_language =
AdjustLanguageInfoBlock(region_code, current_language);
if (current_language != adjusted_language) {
LOG_WARNING(Service_CFG, "System language %d does not fit the region. Adjusted to %d",
static_cast<int>(current_language), static_cast<int>(adjusted_language));
SetSystemLanguage(adjusted_language);
}
}
}
void SetUsername(const std::u16string& name) {
ASSERT(name.size() <= 10);
UsernameBlock block{};
name.copy(block.username, name.size());
SetConfigInfoBlock(UsernameBlockID, sizeof(block), 4, &block);
}
std::u16string GetUsername() {
UsernameBlock block;
GetConfigInfoBlock(UsernameBlockID, sizeof(block), 8, &block);
// the username string in the block isn't null-terminated,
// so we need to find the end manually.
std::u16string username(block.username, ARRAY_SIZE(block.username));
const size_t pos = username.find(u'\0');
if (pos != std::u16string::npos)
username.erase(pos);
return username;
}
void SetBirthday(u8 month, u8 day) {
BirthdayBlock block = {month, day};
SetConfigInfoBlock(BirthdayBlockID, sizeof(block), 4, &block);
}
std::tuple<u8, u8> GetBirthday() {
BirthdayBlock block;
GetConfigInfoBlock(BirthdayBlockID, sizeof(block), 8, &block);
return std::make_tuple(block.month, block.day);
}
void SetSystemLanguage(SystemLanguage language) {
u8 block = language;
SetConfigInfoBlock(LanguageBlockID, sizeof(block), 4, &block);
}
SystemLanguage GetSystemLanguage() {
u8 block;
GetConfigInfoBlock(LanguageBlockID, sizeof(block), 8, &block);
return static_cast<SystemLanguage>(block);
}
void SetSoundOutputMode(SoundOutputMode mode) {
u8 block = mode;
SetConfigInfoBlock(SoundOutputModeBlockID, sizeof(block), 4, &block);
}
SoundOutputMode GetSoundOutputMode() {
u8 block;
GetConfigInfoBlock(SoundOutputModeBlockID, sizeof(block), 8, &block);
return static_cast<SoundOutputMode>(block);
}
void GenerateConsoleUniqueId(u32& random_number, u64& console_id) {
CryptoPP::AutoSeededRandomPool rng;
random_number = rng.GenerateWord32(0, 0xFFFF);
u64_le local_friend_code_seed;
rng.GenerateBlock(reinterpret_cast<CryptoPP::byte*>(&local_friend_code_seed),
sizeof(local_friend_code_seed));
console_id = (local_friend_code_seed & 0x3FFFFFFFF) | (static_cast<u64>(random_number) << 48);
}
ResultCode SetConsoleUniqueId(u32 random_number, u64 console_id) {
u64_le console_id_le = console_id;
ResultCode res =
SetConfigInfoBlock(ConsoleUniqueID1BlockID, sizeof(console_id_le), 0xE, &console_id_le);
if (!res.IsSuccess())
return res;
res = SetConfigInfoBlock(ConsoleUniqueID2BlockID, sizeof(console_id_le), 0xE, &console_id_le);
if (!res.IsSuccess())
return res;
u32_le random_number_le = random_number;
res = SetConfigInfoBlock(ConsoleUniqueID3BlockID, sizeof(random_number_le), 0xE,
&random_number_le);
if (!res.IsSuccess())
return res;
return RESULT_SUCCESS;
}
u64 GetConsoleUniqueId() {
u64_le console_id_le;
GetConfigInfoBlock(ConsoleUniqueID2BlockID, sizeof(console_id_le), 0xE, &console_id_le);
return console_id_le;
}
} // namespace CFG
} // namespace Service

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src/core/hle/service/cfg/cfg.h
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@ -1,369 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <string>
#include "common/common_types.h"
union ResultCode;
namespace Service {
class Interface;
namespace CFG {
enum SystemModel {
NINTENDO_3DS = 0,
NINTENDO_3DS_XL = 1,
NEW_NINTENDO_3DS = 2,
NINTENDO_2DS = 3,
NEW_NINTENDO_3DS_XL = 4
};
enum SystemLanguage {
LANGUAGE_JP = 0,
LANGUAGE_EN = 1,
LANGUAGE_FR = 2,
LANGUAGE_DE = 3,
LANGUAGE_IT = 4,
LANGUAGE_ES = 5,
LANGUAGE_ZH = 6,
LANGUAGE_KO = 7,
LANGUAGE_NL = 8,
LANGUAGE_PT = 9,
LANGUAGE_RU = 10,
LANGUAGE_TW = 11
};
enum SoundOutputMode { SOUND_MONO = 0, SOUND_STEREO = 1, SOUND_SURROUND = 2 };
/// Block header in the config savedata file
struct SaveConfigBlockEntry {
u32 block_id; ///< The id of the current block
u32 offset_or_data; ///< This is the absolute offset to the block data if the size is greater
/// than 4 bytes, otherwise it contains the data itself
u16 size; ///< The size of the block
u16 flags; ///< The flags of the block, possibly used for access control
};
static constexpr u16 C(const char code[2]) {
return code[0] | (code[1] << 8);
}
static const std::array<u16, 187> country_codes = {{
0, C("JP"), 0, 0, 0, 0, 0, 0, // 0-7
C("AI"), C("AG"), C("AR"), C("AW"), C("BS"), C("BB"), C("BZ"), C("BO"), // 8-15
C("BR"), C("VG"), C("CA"), C("KY"), C("CL"), C("CO"), C("CR"), C("DM"), // 16-23
C("DO"), C("EC"), C("SV"), C("GF"), C("GD"), C("GP"), C("GT"), C("GY"), // 24-31
C("HT"), C("HN"), C("JM"), C("MQ"), C("MX"), C("MS"), C("AN"), C("NI"), // 32-39
C("PA"), C("PY"), C("PE"), C("KN"), C("LC"), C("VC"), C("SR"), C("TT"), // 40-47
C("TC"), C("US"), C("UY"), C("VI"), C("VE"), 0, 0, 0, // 48-55
0, 0, 0, 0, 0, 0, 0, 0, // 56-63
C("AL"), C("AU"), C("AT"), C("BE"), C("BA"), C("BW"), C("BG"), C("HR"), // 64-71
C("CY"), C("CZ"), C("DK"), C("EE"), C("FI"), C("FR"), C("DE"), C("GR"), // 72-79
C("HU"), C("IS"), C("IE"), C("IT"), C("LV"), C("LS"), C("LI"), C("LT"), // 80-87
C("LU"), C("MK"), C("MT"), C("ME"), C("MZ"), C("NA"), C("NL"), C("NZ"), // 88-95
C("NO"), C("PL"), C("PT"), C("RO"), C("RU"), C("RS"), C("SK"), C("SI"), // 96-103
C("ZA"), C("ES"), C("SZ"), C("SE"), C("CH"), C("TR"), C("GB"), C("ZM"), // 104-111
C("ZW"), C("AZ"), C("MR"), C("ML"), C("NE"), C("TD"), C("SD"), C("ER"), // 112-119
C("DJ"), C("SO"), C("AD"), C("GI"), C("GG"), C("IM"), C("JE"), C("MC"), // 120-127
C("TW"), 0, 0, 0, 0, 0, 0, 0, // 128-135
C("KR"), 0, 0, 0, 0, 0, 0, 0, // 136-143
C("HK"), C("MO"), 0, 0, 0, 0, 0, 0, // 144-151
C("ID"), C("SG"), C("TH"), C("PH"), C("MY"), 0, 0, 0, // 152-159
C("CN"), 0, 0, 0, 0, 0, 0, 0, // 160-167
C("AE"), C("IN"), C("EG"), C("OM"), C("QA"), C("KW"), C("SA"), C("SY"), // 168-175
C("BH"), C("JO"), 0, 0, 0, 0, 0, 0, // 176-183
C("SM"), C("VA"), C("BM"), // 184-186
}};
/**
* CFG::GetCountryCodeString service function
* Inputs:
* 1 : Country Code ID
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Country's 2-char string
*/
void GetCountryCodeString(Service::Interface* self);
/**
* CFG::GetCountryCodeID service function
* Inputs:
* 1 : Country Code 2-char string
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Country Code ID
*/
void GetCountryCodeID(Service::Interface* self);
u32 GetRegionValue();
/**
* CFG::SecureInfoGetRegion service function
* Inputs:
* 1 : None
* Outputs:
* 0 : Result Header code
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Region value loaded from SecureInfo offset 0x100
*/
void SecureInfoGetRegion(Service::Interface* self);
/**
* CFG::GenHashConsoleUnique service function
* Inputs:
* 1 : 20 bit application ID salt
* Outputs:
* 0 : Result Header code
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Hash/"ID" lower word
* 3 : Hash/"ID" upper word
*/
void GenHashConsoleUnique(Service::Interface* self);
/**
* CFG::GetRegionCanadaUSA service function
* Inputs:
* 1 : None
* Outputs:
* 0 : Result Header code
* 1 : Result of function, 0 on success, otherwise error code
* 2 : 1 if the system is a Canada or USA model, 0 otherwise
*/
void GetRegionCanadaUSA(Service::Interface* self);
/**
* CFG::GetSystemModel service function
* Inputs:
* 0 : 0x00050000
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Model of the console
*/
void GetSystemModel(Service::Interface* self);
/**
* CFG::GetModelNintendo2DS service function
* Inputs:
* 0 : 0x00060000
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : 0 if the system is a Nintendo 2DS, 1 otherwise
*/
void GetModelNintendo2DS(Service::Interface* self);
/**
* CFG::GetConfigInfoBlk2 service function
* Inputs:
* 0 : 0x00010082
* 1 : Size
* 2 : Block ID
* 3 : Descriptor for the output buffer
* 4 : Output buffer pointer
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void GetConfigInfoBlk2(Service::Interface* self);
/**
* CFG::GetConfigInfoBlk8 service function
* Inputs:
* 0 : 0x04010082 / 0x08010082
* 1 : Size
* 2 : Block ID
* 3 : Descriptor for the output buffer
* 4 : Output buffer pointer
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void GetConfigInfoBlk8(Service::Interface* self);
/**
* CFG::SetConfigInfoBlk4 service function
* Inputs:
* 0 : 0x04020082 / 0x08020082
* 1 : Block ID
* 2 : Size
* 3 : Descriptor for the output buffer
* 4 : Output buffer pointer
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* Note:
* The parameters order is different from GetConfigInfoBlk2/8's,
* where Block ID and Size are switched.
*/
void SetConfigInfoBlk4(Service::Interface* self);
/**
* CFG::UpdateConfigNANDSavegame service function
* Inputs:
* 0 : 0x04030000 / 0x08030000
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void UpdateConfigNANDSavegame(Service::Interface* self);
/**
* CFG::FormatConfig service function
* Inputs:
* 0 : 0x08060000
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void FormatConfig(Service::Interface* self);
/**
* Reads a block with the specified id and flag from the Config savegame buffer
* and writes the output to output. The input size must match exactly the size of the requested
* block.
*
* @param block_id The id of the block we want to read
* @param size The size of the block we want to read
* @param flag The requested block must have this flag set
* @param output A pointer where we will write the read data
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode GetConfigInfoBlock(u32 block_id, u32 size, u32 flag, void* output);
/**
* Reads data from input and writes to a block with the specified id and flag
* in the Config savegame buffer. The input size must match exactly the size of the target block.
*
* @param block_id The id of the block we want to write
* @param size The size of the block we want to write
* @param flag The target block must have this flag set
* @param input A pointer where we will read data and write to Config savegame buffer
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode SetConfigInfoBlock(u32 block_id, u32 size, u32 flag, const void* input);
/**
* Creates a block with the specified id and writes the input data to the cfg savegame buffer in
* memory. The config savegame file in the filesystem is not updated.
*
* @param block_id The id of the block we want to create
* @param size The size of the block we want to create
* @param flags The flags of the new block
* @param data A pointer containing the data we will write to the new block
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode CreateConfigInfoBlk(u32 block_id, u16 size, u16 flags, const void* data);
/**
* Deletes the config savegame file from the filesystem, the buffer in memory is not affected
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode DeleteConfigNANDSaveFile();
/**
* Writes the config savegame memory buffer to the config savegame file in the filesystem
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode UpdateConfigNANDSavegame();
/**
* Re-creates the config savegame file in memory and the filesystem with the default blocks
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode FormatConfig();
/**
* Open the config savegame file and load it to the memory buffer
* @returns ResultCode indicating the result of the operation, 0 on success
*/
ResultCode LoadConfigNANDSaveFile();
/// Initialize the config service
void Init();
/// Shutdown the config service
void Shutdown();
/**
* Set the region code preferred by the game so that CFG will adjust to it when the region setting
* is auto.
* @param region_code the preferred region code to set
*/
void SetPreferredRegionCode(u32 region_code);
// Utilities for frontend to set config data.
// Note: before calling these functions, LoadConfigNANDSaveFile should be called,
// and UpdateConfigNANDSavegame should be called after making changes to config data.
/**
* Sets the username in config savegame.
* @param name the username to set. The maximum size is 10 in char16_t.
*/
void SetUsername(const std::u16string& name);
/**
* Gets the username from config savegame.
* @returns the username
*/
std::u16string GetUsername();
/**
* Sets the profile birthday in config savegame.
* @param month the month of birthday.
* @param day the day of the birthday.
*/
void SetBirthday(u8 month, u8 day);
/**
* Gets the profile birthday from the config savegame.
* @returns a tuple of (month, day) of birthday
*/
std::tuple<u8, u8> GetBirthday();
/**
* Sets the system language in config savegame.
* @param language the system language to set.
*/
void SetSystemLanguage(SystemLanguage language);
/**
* Gets the system language from config savegame.
* @returns the system language
*/
SystemLanguage GetSystemLanguage();
/**
* Sets the sound output mode in config savegame.
* @param mode the sound output mode to set
*/
void SetSoundOutputMode(SoundOutputMode mode);
/**
* Gets the sound output mode from config savegame.
* @returns the sound output mode
*/
SoundOutputMode GetSoundOutputMode();
/**
* Generates a new random console unique id.
* @param random_number a random generated 16bit number stored at 0x90002, used for generating the
* console_id
* @param console_id the randomly created console id
*/
void GenerateConsoleUniqueId(u32& random_number, u64& console_id);
/**
* Sets the random_number and the console unique id in the config savegame.
* @param random_number the random_number to set
* @param console_id the console id to set
*/
ResultCode SetConsoleUniqueId(u32 random_number, u64 console_id);
/**
* Gets the console unique id from config savegame.
* @returns the console unique id
*/
u64 GetConsoleUniqueId();
} // namespace CFG
} // namespace Service

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/service/cfg/cfg.h"
#include "core/hle/service/cfg/cfg_i.h"
namespace Service {
namespace CFG {
const Interface::FunctionInfo FunctionTable[] = {
// cfg common
{0x00010082, GetConfigInfoBlk2, "GetConfigInfoBlk2"},
{0x00020000, SecureInfoGetRegion, "SecureInfoGetRegion"},
{0x00030040, GenHashConsoleUnique, "GenHashConsoleUnique"},
{0x00040000, GetRegionCanadaUSA, "GetRegionCanadaUSA"},
{0x00050000, GetSystemModel, "GetSystemModel"},
{0x00060000, GetModelNintendo2DS, "GetModelNintendo2DS"},
{0x00070040, nullptr, "WriteToFirstByteCfgSavegame"},
{0x00080080, nullptr, "GoThroughTable"},
{0x00090040, GetCountryCodeString, "GetCountryCodeString"},
{0x000A0040, GetCountryCodeID, "GetCountryCodeID"},
{0x000B0000, nullptr, "IsFangateSupported"},
// cfg:i
{0x04010082, GetConfigInfoBlk8, "GetConfigInfoBlk8"},
{0x04020082, SetConfigInfoBlk4, "SetConfigInfoBlk4"},
{0x04030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"},
{0x04040042, nullptr, "GetLocalFriendCodeSeedData"},
{0x04050000, nullptr, "GetLocalFriendCodeSeed"},
{0x04060000, SecureInfoGetRegion, "SecureInfoGetRegion"},
{0x04070000, nullptr, "SecureInfoGetByte101"},
{0x04080042, nullptr, "SecureInfoGetSerialNo"},
{0x04090000, nullptr, "UpdateConfigBlk00040003"},
{0x08010082, GetConfigInfoBlk8, "GetConfigInfoBlk8"},
{0x08020082, SetConfigInfoBlk4, "SetConfigInfoBlk4"},
{0x08030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"},
{0x080400C2, nullptr, "CreateConfigInfoBlk"},
{0x08050000, nullptr, "DeleteConfigNANDSavefile"},
{0x08060000, FormatConfig, "FormatConfig"},
{0x08080000, nullptr, "UpdateConfigBlk1"},
{0x08090000, nullptr, "UpdateConfigBlk2"},
{0x080A0000, nullptr, "UpdateConfigBlk3"},
{0x080B0082, nullptr, "SetGetLocalFriendCodeSeedData"},
{0x080C0042, nullptr, "SetLocalFriendCodeSeedSignature"},
{0x080D0000, nullptr, "DeleteCreateNANDLocalFriendCodeSeed"},
{0x080E0000, nullptr, "VerifySigLocalFriendCodeSeed"},
{0x080F0042, nullptr, "GetLocalFriendCodeSeedData"},
{0x08100000, nullptr, "GetLocalFriendCodeSeed"},
{0x08110084, nullptr, "SetSecureInfo"},
{0x08120000, nullptr, "DeleteCreateNANDSecureInfo"},
{0x08130000, nullptr, "VerifySigSecureInfo"},
{0x08140042, nullptr, "SecureInfoGetData"},
{0x08150042, nullptr, "SecureInfoGetSignature"},
{0x08160000, SecureInfoGetRegion, "SecureInfoGetRegion"},
{0x08170000, nullptr, "SecureInfoGetByte101"},
{0x08180042, nullptr, "SecureInfoGetSerialNo"},
};
CFG_I::CFG_I() {
Register(FunctionTable);
}
} // namespace CFG
} // namespace Service

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src/core/hle/service/cfg/cfg_i.h
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
namespace Service {
namespace CFG {
class CFG_I final : public Interface {
public:
CFG_I();
std::string GetPortName() const override {
return "cfg:i";
}
};
} // namespace CFG
} // namespace Service

23
src/core/hle/service/cfg/cfg_nor.cpp
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/service/cfg/cfg.h"
#include "core/hle/service/cfg/cfg_nor.h"
namespace Service {
namespace CFG {
const Interface::FunctionInfo FunctionTable[] = {
{0x00010040, nullptr, "Initialize"},
{0x00020000, nullptr, "Shutdown"},
{0x00050082, nullptr, "ReadData"},
{0x00060082, nullptr, "WriteData"},
};
CFG_NOR::CFG_NOR() {
Register(FunctionTable);
}
} // namespace CFG
} // namespace Service

22
src/core/hle/service/cfg/cfg_nor.h
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
namespace Service {
namespace CFG {
class CFG_NOR final : public Interface {
public:
CFG_NOR();
std::string GetPortName() const override {
return "cfg:nor";
}
};
} // namespace CFG
} // namespace Service

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src/core/hle/service/cfg/cfg_s.cpp
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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/service/cfg/cfg.h"
#include "core/hle/service/cfg/cfg_s.h"
namespace Service {
namespace CFG {
const Interface::FunctionInfo FunctionTable[] = {
// cfg common
{0x00010082, GetConfigInfoBlk2, "GetConfigInfoBlk2"},
{0x00020000, SecureInfoGetRegion, "SecureInfoGetRegion"},
{0x00030040, GenHashConsoleUnique, "GenHashConsoleUnique"},
{0x00040000, GetRegionCanadaUSA, "GetRegionCanadaUSA"},
{0x00050000, GetSystemModel, "GetSystemModel"},
{0x00060000, GetModelNintendo2DS, "GetModelNintendo2DS"},
{0x00070040, nullptr, "WriteToFirstByteCfgSavegame"},
{0x00080080, nullptr, "GoThroughTable"},
{0x00090040, GetCountryCodeString, "GetCountryCodeString"},
{0x000A0040, GetCountryCodeID, "GetCountryCodeID"},
{0x000B0000, nullptr, "IsFangateSupported"},
// cfg:s
{0x04010082, GetConfigInfoBlk8, "GetConfigInfoBlk8"},
{0x04020082, SetConfigInfoBlk4, "SetConfigInfoBlk4"},
{0x04030000, UpdateConfigNANDSavegame, "UpdateConfigNANDSavegame"},
{0x04040042, nullptr, "GetLocalFriendCodeSeedData"},
{0x04050000, nullptr, "GetLocalFriendCodeSeed"},
{0x04060000, nullptr, "SecureInfoGetRegion"},
{0x04070000, nullptr, "SecureInfoGetByte101"},
{0x04080042, nullptr, "SecureInfoGetSerialNo"},
{0x04090000, nullptr, "UpdateConfigBlk00040003"},
};
CFG_S::CFG_S() {
Register(FunctionTable);
}
} // namespace CFG
} // namespace Service

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src/core/hle/service/cfg/cfg_s.h
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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
namespace Service {
namespace CFG {
class CFG_S final : public Interface {
public:
CFG_S();
std::string GetPortName() const override {
return "cfg:s";
}
};
} // namespace CFG
} // namespace Service

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src/core/hle/service/cfg/cfg_u.cpp
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/service/cfg/cfg.h"
#include "core/hle/service/cfg/cfg_u.h"
namespace Service {
namespace CFG {
const Interface::FunctionInfo FunctionTable[] = {
// cfg common
{0x00010082, GetConfigInfoBlk2, "GetConfigInfoBlk2"},
{0x00020000, SecureInfoGetRegion, "SecureInfoGetRegion"},
{0x00030040, GenHashConsoleUnique, "GenHashConsoleUnique"},
{0x00040000, GetRegionCanadaUSA, "GetRegionCanadaUSA"},
{0x00050000, GetSystemModel, "GetSystemModel"},
{0x00060000, GetModelNintendo2DS, "GetModelNintendo2DS"},
{0x00070040, nullptr, "WriteToFirstByteCfgSavegame"},
{0x00080080, nullptr, "GoThroughTable"},
{0x00090040, GetCountryCodeString, "GetCountryCodeString"},
{0x000A0040, GetCountryCodeID, "GetCountryCodeID"},
{0x000B0000, nullptr, "IsFangateSupported"},
};
CFG_U::CFG_U() {
Register(FunctionTable);
}
} // namespace CFG
} // namespace Service

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src/core/hle/service/cfg/cfg_u.h
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
namespace Service {
namespace CFG {
class CFG_U final : public Interface {
public:
CFG_U();
std::string GetPortName() const override {
return "cfg:u";
}
};
} // namespace CFG
} // namespace Service

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src/core/hle/service/fs/archive.cpp
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstddef>
#include <memory>
#include <system_error>
#include <type_traits>
#include <unordered_map>
#include <utility>
#include <boost/container/flat_map.hpp>
#include "common/assert.h"
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "core/file_sys/archive_backend.h"
#include "core/file_sys/archive_extsavedata.h"
#include "core/file_sys/archive_ncch.h"
#include "core/file_sys/archive_other_savedata.h"
#include "core/file_sys/archive_savedata.h"
#include "core/file_sys/archive_sdmc.h"
#include "core/file_sys/archive_sdmcwriteonly.h"
#include "core/file_sys/archive_selfncch.h"
#include "core/file_sys/archive_systemsavedata.h"
#include "core/file_sys/directory_backend.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/file_backend.h"
#include "core/hle/ipc.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/result.h"
#include "core/hle/service/fs/archive.h"
#include "core/hle/service/fs/fs_user.h"
#include "core/hle/service/service.h"
#include "core/memory.h"
// Specializes std::hash for ArchiveIdCode, so that we can use it in std::unordered_map.
// Workaroung for libstdc++ bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60970
namespace std {
template <>
struct hash<Service::FS::ArchiveIdCode> {
typedef Service::FS::ArchiveIdCode argument_type;
typedef std::size_t result_type;
result_type operator()(const argument_type& id_code) const {
typedef std::underlying_type<argument_type>::type Type;
return std::hash<Type>()(static_cast<Type>(id_code));
}
};
} // namespace std
static constexpr Kernel::Handle INVALID_HANDLE{};
namespace Service {
namespace FS {
// Command to access archive file
enum class FileCommand : u32 {
Dummy1 = 0x000100C6,
Control = 0x040100C4,
OpenSubFile = 0x08010100,
Read = 0x080200C2,
Write = 0x08030102,
GetSize = 0x08040000,
SetSize = 0x08050080,
GetAttributes = 0x08060000,
SetAttributes = 0x08070040,
Close = 0x08080000,
Flush = 0x08090000,
SetPriority = 0x080A0040,
GetPriority = 0x080B0000,
OpenLinkFile = 0x080C0000,
};
// Command to access directory
enum class DirectoryCommand : u32 {
Dummy1 = 0x000100C6,
Control = 0x040100C4,
Read = 0x08010042,
Close = 0x08020000,
};
File::File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path)
: path(path), priority(0), backend(std::move(backend)) {}
File::~File() {}
void File::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) {
using Kernel::ClientSession;
using Kernel::ServerSession;
using Kernel::SharedPtr;
u32* cmd_buff = Kernel::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
// Read from file...
case FileCommand::Read: {
u64 offset = cmd_buff[1] | ((u64)cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 address = cmd_buff[5];
LOG_TRACE(Service_FS, "Read %s: offset=0x%llx length=%d address=0x%x", GetName().c_str(),
offset, length, address);
if (offset + length > backend->GetSize()) {
LOG_ERROR(Service_FS,
"Reading from out of bounds offset=0x%llX length=0x%08X file_size=0x%llX",
offset, length, backend->GetSize());
}
std::vector<u8> data(length);
ResultVal<size_t> read = backend->Read(offset, data.size(), data.data());
if (read.Failed()) {
cmd_buff[1] = read.Code().raw;
return;
}
Memory::WriteBlock(address, data.data(), *read);
cmd_buff[2] = static_cast<u32>(*read);
break;
}
// Write to file...
case FileCommand::Write: {
u64 offset = cmd_buff[1] | ((u64)cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 flush = cmd_buff[4];
u32 address = cmd_buff[6];
LOG_TRACE(Service_FS, "Write %s: offset=0x%llx length=%d address=0x%x, flush=0x%x",
GetName().c_str(), offset, length, address, flush);
std::vector<u8> data(length);
Memory::ReadBlock(address, data.data(), data.size());
ResultVal<size_t> written = backend->Write(offset, data.size(), flush != 0, data.data());
if (written.Failed()) {
cmd_buff[1] = written.Code().raw;
return;
}
cmd_buff[2] = static_cast<u32>(*written);
break;
}
case FileCommand::GetSize: {
LOG_TRACE(Service_FS, "GetSize %s", GetName().c_str());
u64 size = backend->GetSize();
cmd_buff[2] = (u32)size;
cmd_buff[3] = size >> 32;
break;
}
case FileCommand::SetSize: {
u64 size = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
LOG_TRACE(Service_FS, "SetSize %s size=%llu", GetName().c_str(), size);
backend->SetSize(size);
break;
}
case FileCommand::Close: {
LOG_TRACE(Service_FS, "Close %s", GetName().c_str());
backend->Close();
break;
}
case FileCommand::Flush: {
LOG_TRACE(Service_FS, "Flush");
backend->Flush();
break;
}
case FileCommand::OpenLinkFile: {
LOG_WARNING(Service_FS, "(STUBBED) File command OpenLinkFile %s", GetName().c_str());
auto sessions = ServerSession::CreateSessionPair(GetName());
ClientConnected(std::get<SharedPtr<ServerSession>>(sessions));
cmd_buff[3] = Kernel::g_handle_table.Create(std::get<SharedPtr<ClientSession>>(sessions))
.ValueOr(INVALID_HANDLE);
break;
}
case FileCommand::SetPriority: {
priority = cmd_buff[1];
LOG_TRACE(Service_FS, "SetPriority %u", priority);
break;
}
case FileCommand::GetPriority: {
cmd_buff[2] = priority;
LOG_TRACE(Service_FS, "GetPriority");
break;
}
// Unknown command...
default:
LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return;
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
}
Directory::Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend,
const FileSys::Path& path)
: path(path), backend(std::move(backend)) {}
Directory::~Directory() {}
void Directory::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) {
u32* cmd_buff = Kernel::GetCommandBuffer();
DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
switch (cmd) {
// Read from directory...
case DirectoryCommand::Read: {
u32 count = cmd_buff[1];
u32 address = cmd_buff[3];
std::vector<FileSys::Entry> entries(count);
LOG_TRACE(Service_FS, "Read %s: count=%d", GetName().c_str(), count);
// Number of entries actually read
u32 read = backend->Read(static_cast<u32>(entries.size()), entries.data());
cmd_buff[2] = read;
Memory::WriteBlock(address, entries.data(), read * sizeof(FileSys::Entry));
break;
}
case DirectoryCommand::Close: {
LOG_TRACE(Service_FS, "Close %s", GetName().c_str());
backend->Close();
break;
}
// Unknown command...
default:
LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return;
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
}
////////////////////////////////////////////////////////////////////////////////////////////////////
using FileSys::ArchiveBackend;
using FileSys::ArchiveFactory;
/**
* Map of registered archives, identified by id code. Once an archive is registered here, it is
* never removed until UnregisterArchiveTypes is called.
*/
static boost::container::flat_map<ArchiveIdCode, std::unique_ptr<ArchiveFactory>> id_code_map;
/**
* Map of active archive handles. Values are pointers to the archives in `idcode_map`.
*/
static std::unordered_map<ArchiveHandle, std::unique_ptr<ArchiveBackend>> handle_map;
static ArchiveHandle next_handle;
static ArchiveBackend* GetArchive(ArchiveHandle handle) {
auto itr = handle_map.find(handle);
return (itr == handle_map.end()) ? nullptr : itr->second.get();
}
ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code, FileSys::Path& archive_path) {
LOG_TRACE(Service_FS, "Opening archive with id code 0x%08X", id_code);
auto itr = id_code_map.find(id_code);
if (itr == id_code_map.end()) {
return FileSys::ERROR_NOT_FOUND;
}
CASCADE_RESULT(std::unique_ptr<ArchiveBackend> res, itr->second->Open(archive_path));
// This should never even happen in the first place with 64-bit handles,
while (handle_map.count(next_handle) != 0) {
++next_handle;
}
handle_map.emplace(next_handle, std::move(res));
return MakeResult<ArchiveHandle>(next_handle++);
}
ResultCode CloseArchive(ArchiveHandle handle) {
if (handle_map.erase(handle) == 0)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
else
return RESULT_SUCCESS;
}
// TODO(yuriks): This might be what the fs:REG service is for. See the Register/Unregister calls in
// http://3dbrew.org/wiki/Filesystem_services#ProgramRegistry_service_.22fs:REG.22
ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factory,
ArchiveIdCode id_code) {
auto result = id_code_map.emplace(id_code, std::move(factory));
bool inserted = result.second;
ASSERT_MSG(inserted, "Tried to register more than one archive with same id code");
auto& archive = result.first->second;
LOG_DEBUG(Service_FS, "Registered archive %s with id code 0x%08X", archive->GetName().c_str(),
id_code);
return RESULT_SUCCESS;
}
ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path,
const FileSys::Mode mode) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
auto backend = archive->OpenFile(path, mode);
if (backend.Failed())
return backend.Code();
auto file = std::shared_ptr<File>(new File(std::move(backend).Unwrap(), path));
return MakeResult<std::shared_ptr<File>>(std::move(file));
}
ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
return archive->DeleteFile(path);
}
ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle,
const FileSys::Path& src_path,
ArchiveHandle dest_archive_handle,
const FileSys::Path& dest_path) {
ArchiveBackend* src_archive = GetArchive(src_archive_handle);
ArchiveBackend* dest_archive = GetArchive(dest_archive_handle);
if (src_archive == nullptr || dest_archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
if (src_archive == dest_archive) {
return src_archive->RenameFile(src_path, dest_path);
} else {
// TODO: Implement renaming across archives
return UnimplementedFunction(ErrorModule::FS);
}
}
ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
return archive->DeleteDirectory(path);
}
ResultCode DeleteDirectoryRecursivelyFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
return archive->DeleteDirectoryRecursively(path);
}
ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path& path,
u64 file_size) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
return archive->CreateFile(path, file_size);
}
ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
return archive->CreateDirectory(path);
}
ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
const FileSys::Path& src_path,
ArchiveHandle dest_archive_handle,
const FileSys::Path& dest_path) {
ArchiveBackend* src_archive = GetArchive(src_archive_handle);
ArchiveBackend* dest_archive = GetArchive(dest_archive_handle);
if (src_archive == nullptr || dest_archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
if (src_archive == dest_archive) {
return src_archive->RenameDirectory(src_path, dest_path);
} else {
// TODO: Implement renaming across archives
return UnimplementedFunction(ErrorModule::FS);
}
}
ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
auto backend = archive->OpenDirectory(path);
if (backend.Failed())
return backend.Code();
auto directory = std::shared_ptr<Directory>(new Directory(std::move(backend).Unwrap(), path));
return MakeResult<std::shared_ptr<Directory>>(std::move(directory));
}
ResultVal<u64> GetFreeBytesInArchive(ArchiveHandle archive_handle) {
ArchiveBackend* archive = GetArchive(archive_handle);
if (archive == nullptr)
return FileSys::ERR_INVALID_ARCHIVE_HANDLE;
return MakeResult<u64>(archive->GetFreeBytes());
}
ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::ArchiveFormatInfo& format_info,
const FileSys::Path& path) {
auto archive_itr = id_code_map.find(id_code);
if (archive_itr == id_code_map.end()) {
return UnimplementedFunction(ErrorModule::FS); // TODO(Subv): Find the right error
}
return archive_itr->second->Format(path, format_info);
}
ResultVal<FileSys::ArchiveFormatInfo> GetArchiveFormatInfo(ArchiveIdCode id_code,
FileSys::Path& archive_path) {
auto archive = id_code_map.find(id_code);
if (archive == id_code_map.end()) {
return UnimplementedFunction(ErrorModule::FS); // TODO(Subv): Find the right error
}
return archive->second->GetFormatInfo(archive_path);
}
ResultCode CreateExtSaveData(MediaType media_type, u32 high, u32 low, VAddr icon_buffer,
u32 icon_size, const FileSys::ArchiveFormatInfo& format_info) {
// Construct the binary path to the archive first
FileSys::Path path =
FileSys::ConstructExtDataBinaryPath(static_cast<u32>(media_type), high, low);
auto archive = id_code_map.find(media_type == MediaType::NAND ? ArchiveIdCode::SharedExtSaveData
: ArchiveIdCode::ExtSaveData);
if (archive == id_code_map.end()) {
return UnimplementedFunction(ErrorModule::FS); // TODO(Subv): Find the right error
}
auto ext_savedata = static_cast<FileSys::ArchiveFactory_ExtSaveData*>(archive->second.get());
ResultCode result = ext_savedata->Format(path, format_info);
if (result.IsError())
return result;
if (!Memory::IsValidVirtualAddress(icon_buffer))
return ResultCode(-1); // TODO(Subv): Find the right error code
std::vector<u8> smdh_icon(icon_size);
Memory::ReadBlock(icon_buffer, smdh_icon.data(), smdh_icon.size());
ext_savedata->WriteIcon(path, smdh_icon.data(), smdh_icon.size());
return RESULT_SUCCESS;
}
ResultCode DeleteExtSaveData(MediaType media_type, u32 high, u32 low) {
// Construct the binary path to the archive first
FileSys::Path path =
FileSys::ConstructExtDataBinaryPath(static_cast<u32>(media_type), high, low);
std::string media_type_directory;
if (media_type == MediaType::NAND) {
media_type_directory = FileUtil::GetUserPath(D_NAND_IDX);
} else if (media_type == MediaType::SDMC) {
media_type_directory = FileUtil::GetUserPath(D_SDMC_IDX);
} else {
LOG_ERROR(Service_FS, "Unsupported media type %u", media_type);
return ResultCode(-1); // TODO(Subv): Find the right error code
}
// Delete all directories (/user, /boss) and the icon file.
std::string base_path =
FileSys::GetExtDataContainerPath(media_type_directory, media_type == MediaType::NAND);
std::string extsavedata_path = FileSys::GetExtSaveDataPath(base_path, path);
if (FileUtil::Exists(extsavedata_path) && !FileUtil::DeleteDirRecursively(extsavedata_path))
return ResultCode(-1); // TODO(Subv): Find the right error code
return RESULT_SUCCESS;
}
ResultCode DeleteSystemSaveData(u32 high, u32 low) {
// Construct the binary path to the archive first
FileSys::Path path = FileSys::ConstructSystemSaveDataBinaryPath(high, low);
std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
std::string base_path = FileSys::GetSystemSaveDataContainerPath(nand_directory);
std::string systemsavedata_path = FileSys::GetSystemSaveDataPath(base_path, path);
if (!FileUtil::DeleteDirRecursively(systemsavedata_path))
return ResultCode(-1); // TODO(Subv): Find the right error code
return RESULT_SUCCESS;
}
ResultCode CreateSystemSaveData(u32 high, u32 low) {
// Construct the binary path to the archive first
FileSys::Path path = FileSys::ConstructSystemSaveDataBinaryPath(high, low);
std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
std::string base_path = FileSys::GetSystemSaveDataContainerPath(nand_directory);
std::string systemsavedata_path = FileSys::GetSystemSaveDataPath(base_path, path);
if (!FileUtil::CreateFullPath(systemsavedata_path))
return ResultCode(-1); // TODO(Subv): Find the right error code
return RESULT_SUCCESS;
}
void RegisterArchiveTypes() {
// TODO(Subv): Add the other archive types (see here for the known types:
// http://3dbrew.org/wiki/FS:OpenArchive#Archive_idcodes).
std::string sdmc_directory = FileUtil::GetUserPath(D_SDMC_IDX);
std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
auto sdmc_factory = std::make_unique<FileSys::ArchiveFactory_SDMC>(sdmc_directory);
if (sdmc_factory->Initialize())
RegisterArchiveType(std::move(sdmc_factory), ArchiveIdCode::SDMC);
else
LOG_ERROR(Service_FS, "Can't instantiate SDMC archive with path %s",
sdmc_directory.c_str());
auto sdmcwo_factory = std::make_unique<FileSys::ArchiveFactory_SDMCWriteOnly>(sdmc_directory);
if (sdmcwo_factory->Initialize())
RegisterArchiveType(std::move(sdmcwo_factory), ArchiveIdCode::SDMCWriteOnly);
else
LOG_ERROR(Service_FS, "Can't instantiate SDMCWriteOnly archive with path %s",
sdmc_directory.c_str());
// Create the SaveData archive
auto sd_savedata_source = std::make_shared<FileSys::ArchiveSource_SDSaveData>(sdmc_directory);
auto savedata_factory = std::make_unique<FileSys::ArchiveFactory_SaveData>(sd_savedata_source);
RegisterArchiveType(std::move(savedata_factory), ArchiveIdCode::SaveData);
auto other_savedata_permitted_factory =
std::make_unique<FileSys::ArchiveFactory_OtherSaveDataPermitted>(sd_savedata_source);
RegisterArchiveType(std::move(other_savedata_permitted_factory),
ArchiveIdCode::OtherSaveDataPermitted);
auto other_savedata_general_factory =
std::make_unique<FileSys::ArchiveFactory_OtherSaveDataGeneral>(sd_savedata_source);
RegisterArchiveType(std::move(other_savedata_general_factory),
ArchiveIdCode::OtherSaveDataGeneral);
auto extsavedata_factory =
std::make_unique<FileSys::ArchiveFactory_ExtSaveData>(sdmc_directory, false);
if (extsavedata_factory->Initialize())
RegisterArchiveType(std::move(extsavedata_factory), ArchiveIdCode::ExtSaveData);
else
LOG_ERROR(Service_FS, "Can't instantiate ExtSaveData archive with path %s",
extsavedata_factory->GetMountPoint().c_str());
auto sharedextsavedata_factory =
std::make_unique<FileSys::ArchiveFactory_ExtSaveData>(nand_directory, true);
if (sharedextsavedata_factory->Initialize())
RegisterArchiveType(std::move(sharedextsavedata_factory), ArchiveIdCode::SharedExtSaveData);
else
LOG_ERROR(Service_FS, "Can't instantiate SharedExtSaveData archive with path %s",
sharedextsavedata_factory->GetMountPoint().c_str());
// Create the NCCH archive, basically a small variation of the RomFS archive
auto savedatacheck_factory = std::make_unique<FileSys::ArchiveFactory_NCCH>(nand_directory);
RegisterArchiveType(std::move(savedatacheck_factory), ArchiveIdCode::NCCH);
auto systemsavedata_factory =
std::make_unique<FileSys::ArchiveFactory_SystemSaveData>(nand_directory);
RegisterArchiveType(std::move(systemsavedata_factory), ArchiveIdCode::SystemSaveData);
auto selfncch_factory = std::make_unique<FileSys::ArchiveFactory_SelfNCCH>();
RegisterArchiveType(std::move(selfncch_factory), ArchiveIdCode::SelfNCCH);
}
void RegisterSelfNCCH(Loader::AppLoader& app_loader) {
auto itr = id_code_map.find(ArchiveIdCode::SelfNCCH);
if (itr == id_code_map.end()) {
LOG_ERROR(Service_FS,
"Could not register a new NCCH because the SelfNCCH archive hasn't been created");
return;
}
auto* factory = static_cast<FileSys::ArchiveFactory_SelfNCCH*>(itr->second.get());
factory->Register(app_loader);
}
void UnregisterArchiveTypes() {
id_code_map.clear();
}
/// Initialize archives
void ArchiveInit() {
next_handle = 1;
AddService(new FS::Interface);
RegisterArchiveTypes();
}
/// Shutdown archives
void ArchiveShutdown() {
handle_map.clear();
UnregisterArchiveTypes();
}
} // namespace FS
} // namespace Service

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src/core/hle/service/fs/archive.h
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@ -1,276 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include "common/common_types.h"
#include "core/file_sys/archive_backend.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/result.h"
namespace FileSys {
class DirectoryBackend;
class FileBackend;
}
/// The unique system identifier hash, also known as ID0
static constexpr char SYSTEM_ID[]{"00000000000000000000000000000000"};
/// The scrambled SD card CID, also known as ID1
static constexpr char SDCARD_ID[]{"00000000000000000000000000000000"};
namespace Loader {
class AppLoader;
}
namespace Service {
namespace FS {
/// Supported archive types
enum class ArchiveIdCode : u32 {
SelfNCCH = 0x00000003,
SaveData = 0x00000004,
ExtSaveData = 0x00000006,
SharedExtSaveData = 0x00000007,
SystemSaveData = 0x00000008,
SDMC = 0x00000009,
SDMCWriteOnly = 0x0000000A,
NCCH = 0x2345678A,
OtherSaveDataGeneral = 0x567890B2,
OtherSaveDataPermitted = 0x567890B4,
};
/// Media types for the archives
enum class MediaType : u32 { NAND = 0, SDMC = 1, GameCard = 2 };
typedef u64 ArchiveHandle;
class File final : public Kernel::SessionRequestHandler {
public:
File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path);
~File();
std::string GetName() const {
return "Path: " + path.DebugStr();
}
FileSys::Path path; ///< Path of the file
u32 priority; ///< Priority of the file. TODO(Subv): Find out what this means
std::unique_ptr<FileSys::FileBackend> backend; ///< File backend interface
protected:
void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
};
class Directory final : public Kernel::SessionRequestHandler {
public:
Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path);
~Directory();
std::string GetName() const {
return "Directory: " + path.DebugStr();
}
FileSys::Path path; ///< Path of the directory
std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface
protected:
void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
};
/**
* Opens an archive
* @param id_code IdCode of the archive to open
* @param archive_path Path to the archive, used with Binary paths
* @return Handle to the opened archive
*/
ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code, FileSys::Path& archive_path);
/**
* Closes an archive
* @param handle Handle to the archive to close
*/
ResultCode CloseArchive(ArchiveHandle handle);
/**
* Registers an Archive type, instances of which can later be opened using its IdCode.
* @param factory File system backend interface to the archive
* @param id_code Id code used to access this type of archive
*/
ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factory,
ArchiveIdCode id_code);
/**
* Open a File from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @param mode Mode under which to open the File
* @return The opened File object
*/
ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path,
const FileSys::Mode mode);
/**
* Delete a File from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @return Whether deletion succeeded
*/
ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
/**
* Rename a File between two Archives
* @param src_archive_handle Handle to the source Archive object
* @param src_path Path to the File inside of the source Archive
* @param dest_archive_handle Handle to the destination Archive object
* @param dest_path Path to the File inside of the destination Archive
* @return Whether rename succeeded
*/
ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle,
const FileSys::Path& src_path,
ArchiveHandle dest_archive_handle,
const FileSys::Path& dest_path);
/**
* Delete a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
* @return Whether deletion succeeded
*/
ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
/**
* Delete a Directory and anything under it from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
* @return Whether deletion succeeded
*/
ResultCode DeleteDirectoryRecursivelyFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path);
/**
* Create a File in an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @param file_size The size of the new file, filled with zeroes
* @return File creation result code
*/
ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path& path,
u64 file_size);
/**
* Create a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
* @return Whether creation of directory succeeded
*/
ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
/**
* Rename a Directory between two Archives
* @param src_archive_handle Handle to the source Archive object
* @param src_path Path to the Directory inside of the source Archive
* @param dest_archive_handle Handle to the destination Archive object
* @param dest_path Path to the Directory inside of the destination Archive
* @return Whether rename succeeded
*/
ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
const FileSys::Path& src_path,
ArchiveHandle dest_archive_handle,
const FileSys::Path& dest_path);
/**
* Open a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
* @return The opened Directory object
*/
ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
const FileSys::Path& path);
/**
* Get the free space in an Archive
* @param archive_handle Handle to an open Archive object
* @return The number of free bytes in the archive
*/
ResultVal<u64> GetFreeBytesInArchive(ArchiveHandle archive_handle);
/**
* Erases the contents of the physical folder that contains the archive
* identified by the specified id code and path
* @param id_code The id of the archive to format
* @param format_info Format information about the new archive
* @param path The path to the archive, if relevant.
* @return ResultCode 0 on success or the corresponding code on error
*/
ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::ArchiveFormatInfo& format_info,
const FileSys::Path& path = FileSys::Path());
/**
* Retrieves the format info about the archive of the specified type and path.
* The format info is supplied by the client code when creating archives.
* @param id_code The id of the archive
* @param archive_path The path of the archive, if relevant
* @return The format info of the archive, or the corresponding error code if failed.
*/
ResultVal<FileSys::ArchiveFormatInfo> GetArchiveFormatInfo(ArchiveIdCode id_code,
FileSys::Path& archive_path);
/**
* Creates a blank SharedExtSaveData archive for the specified extdata ID
* @param media_type The media type of the archive to create (NAND / SDMC)
* @param high The high word of the extdata id to create
* @param low The low word of the extdata id to create
* @param icon_buffer VAddr of the SMDH icon for this ExtSaveData
* @param icon_size Size of the SMDH icon
* @param format_info Format information about the new archive
* @return ResultCode 0 on success or the corresponding code on error
*/
ResultCode CreateExtSaveData(MediaType media_type, u32 high, u32 low, VAddr icon_buffer,
u32 icon_size, const FileSys::ArchiveFormatInfo& format_info);
/**
* Deletes the SharedExtSaveData archive for the specified extdata ID
* @param media_type The media type of the archive to delete (NAND / SDMC)
* @param high The high word of the extdata id to delete
* @param low The low word of the extdata id to delete
* @return ResultCode 0 on success or the corresponding code on error
*/
ResultCode DeleteExtSaveData(MediaType media_type, u32 high, u32 low);
/**
* Deletes the SystemSaveData archive folder for the specified save data id
* @param high The high word of the SystemSaveData archive to delete
* @param low The low word of the SystemSaveData archive to delete
* @return ResultCode 0 on success or the corresponding code on error
*/
ResultCode DeleteSystemSaveData(u32 high, u32 low);
/**
* Creates the SystemSaveData archive folder for the specified save data id
* @param high The high word of the SystemSaveData archive to create
* @param low The low word of the SystemSaveData archive to create
* @return ResultCode 0 on success or the corresponding code on error
*/
ResultCode CreateSystemSaveData(u32 high, u32 low);
/// Initialize archives
void ArchiveInit();
/// Shutdown archives
void ArchiveShutdown();
/// Registers a new NCCH file with the SelfNCCH archive factory
void RegisterSelfNCCH(Loader::AppLoader& app_loader);
/// Register all archive types
void RegisterArchiveTypes();
/// Unregister all archive types
void UnregisterArchiveTypes();
} // namespace FS
} // namespace Service

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src/core/hle/service/fs/fs_user.cpp
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src/core/hle/service/fs/fs_user.h
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
namespace Service {
namespace FS {
/// Interface to "fs:USER" service
class Interface : public Service::Interface {
public:
Interface();
std::string GetPortName() const override {
return "fs:USER";
}
};
} // namespace FS
} // namespace Service

425
src/core/hle/service/hid/hid.cpp
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@ -2,437 +2,18 @@
// Licensed under GPLv2 or any later version // Licensed under GPLv2 or any later version
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <algorithm>
#include <atomic>
#include <cmath>
#include <memory>
#include "common/logging/log.h" #include "common/logging/log.h"
#include "core/3ds.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/frontend/input.h"
#include "core/hle/ipc.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/service/hid/hid.h" #include "core/hle/service/hid/hid.h"
#include "core/hle/service/hid/hid_spvr.h"
#include "core/hle/service/hid/hid_user.h"
#include "core/hle/service/service.h" #include "core/hle/service/service.h"
namespace Service { namespace Service {
namespace HID { namespace HID {
// Handle to shared memory region designated to HID_User service void Init() {}
static Kernel::SharedPtr<Kernel::SharedMemory> shared_mem;
// Event handles void Shutdown() {}
static Kernel::SharedPtr<Kernel::Event> event_pad_or_touch_1;
static Kernel::SharedPtr<Kernel::Event> event_pad_or_touch_2;
static Kernel::SharedPtr<Kernel::Event> event_accelerometer;
static Kernel::SharedPtr<Kernel::Event> event_gyroscope;
static Kernel::SharedPtr<Kernel::Event> event_debug_pad;
static u32 next_pad_index; void ReloadInputDevices() {}
static u32 next_touch_index;
static u32 next_accelerometer_index;
static u32 next_gyroscope_index;
static int enable_accelerometer_count; // positive means enabled
static int enable_gyroscope_count; // positive means enabled
static int pad_update_event;
static int accelerometer_update_event;
static int gyroscope_update_event;
// Updating period for each HID device. These empirical values are measured from a 11.2 3DS.
constexpr u64 pad_update_ticks = BASE_CLOCK_RATE_ARM11 / 234;
constexpr u64 accelerometer_update_ticks = BASE_CLOCK_RATE_ARM11 / 104;
constexpr u64 gyroscope_update_ticks = BASE_CLOCK_RATE_ARM11 / 101;
constexpr float accelerometer_coef = 512.0f; // measured from hw test result
constexpr float gyroscope_coef = 14.375f; // got from hwtest GetGyroscopeLowRawToDpsCoefficient call
static std::atomic<bool> is_device_reload_pending;
static std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeButton::NUM_BUTTONS_HID>
buttons;
static std::unique_ptr<Input::AnalogDevice> circle_pad;
static std::unique_ptr<Input::MotionDevice> motion_device;
static std::unique_ptr<Input::TouchDevice> touch_device;
DirectionState GetStickDirectionState(s16 circle_pad_x, s16 circle_pad_y) {
// 30 degree and 60 degree are angular thresholds for directions
constexpr float TAN30 = 0.577350269f;
constexpr float TAN60 = 1 / TAN30;
// a circle pad radius greater than 40 will trigger circle pad direction
constexpr int CIRCLE_PAD_THRESHOLD_SQUARE = 40 * 40;
DirectionState state{false, false, false, false};
if (circle_pad_x * circle_pad_x + circle_pad_y * circle_pad_y > CIRCLE_PAD_THRESHOLD_SQUARE) {
float t = std::abs(static_cast<float>(circle_pad_y) / circle_pad_x);
if (circle_pad_x != 0 && t < TAN60) {
if (circle_pad_x > 0)
state.right = true;
else
state.left = true;
}
if (circle_pad_x == 0 || t > TAN30) {
if (circle_pad_y > 0)
state.up = true;
else
state.down = true;
}
}
return state;
}
static void LoadInputDevices() {
std::transform(Settings::values.buttons.begin() + Settings::NativeButton::BUTTON_HID_BEGIN,
Settings::values.buttons.begin() + Settings::NativeButton::BUTTON_HID_END,
buttons.begin(), Input::CreateDevice<Input::ButtonDevice>);
circle_pad = Input::CreateDevice<Input::AnalogDevice>(
Settings::values.analogs[Settings::NativeAnalog::CirclePad]);
motion_device = Input::CreateDevice<Input::MotionDevice>(Settings::values.motion_device);
touch_device = Input::CreateDevice<Input::TouchDevice>(Settings::values.touch_device);
}
static void UnloadInputDevices() {
for (auto& button : buttons) {
button.reset();
}
circle_pad.reset();
motion_device.reset();
touch_device.reset();
}
static void UpdatePadCallback(u64 userdata, int cycles_late) {
SharedMem* mem = reinterpret_cast<SharedMem*>(shared_mem->GetPointer());
if (is_device_reload_pending.exchange(false))
LoadInputDevices();
PadState state;
using namespace Settings::NativeButton;
state.a.Assign(buttons[A - BUTTON_HID_BEGIN]->GetStatus());
state.b.Assign(buttons[B - BUTTON_HID_BEGIN]->GetStatus());
state.x.Assign(buttons[X - BUTTON_HID_BEGIN]->GetStatus());
state.y.Assign(buttons[Y - BUTTON_HID_BEGIN]->GetStatus());
state.right.Assign(buttons[Right - BUTTON_HID_BEGIN]->GetStatus());
state.left.Assign(buttons[Left - BUTTON_HID_BEGIN]->GetStatus());
state.up.Assign(buttons[Up - BUTTON_HID_BEGIN]->GetStatus());
state.down.Assign(buttons[Down - BUTTON_HID_BEGIN]->GetStatus());
state.l.Assign(buttons[L - BUTTON_HID_BEGIN]->GetStatus());
state.r.Assign(buttons[R - BUTTON_HID_BEGIN]->GetStatus());
state.start.Assign(buttons[Start - BUTTON_HID_BEGIN]->GetStatus());
state.select.Assign(buttons[Select - BUTTON_HID_BEGIN]->GetStatus());
// Get current circle pad position and update circle pad direction
float circle_pad_x_f, circle_pad_y_f;
std::tie(circle_pad_x_f, circle_pad_y_f) = circle_pad->GetStatus();
constexpr int MAX_CIRCLEPAD_POS = 0x9C; // Max value for a circle pad position
s16 circle_pad_x = static_cast<s16>(circle_pad_x_f * MAX_CIRCLEPAD_POS);
s16 circle_pad_y = static_cast<s16>(circle_pad_y_f * MAX_CIRCLEPAD_POS);
const DirectionState direction = GetStickDirectionState(circle_pad_x, circle_pad_y);
state.circle_up.Assign(direction.up);
state.circle_down.Assign(direction.down);
state.circle_left.Assign(direction.left);
state.circle_right.Assign(direction.right);
mem->pad.current_state.hex = state.hex;
mem->pad.index = next_pad_index;
next_pad_index = (next_pad_index + 1) % mem->pad.entries.size();
// Get the previous Pad state
u32 last_entry_index = (mem->pad.index - 1) % mem->pad.entries.size();
PadState old_state = mem->pad.entries[last_entry_index].current_state;
// Compute bitmask with 1s for bits different from the old state
PadState changed = {{(state.hex ^ old_state.hex)}};
// Get the current Pad entry
PadDataEntry& pad_entry = mem->pad.entries[mem->pad.index];
// Update entry properties
pad_entry.current_state.hex = state.hex;
pad_entry.delta_additions.hex = changed.hex & state.hex;
pad_entry.delta_removals.hex = changed.hex & old_state.hex;
pad_entry.circle_pad_x = circle_pad_x;
pad_entry.circle_pad_y = circle_pad_y;
// If we just updated index 0, provide a new timestamp
if (mem->pad.index == 0) {
mem->pad.index_reset_ticks_previous = mem->pad.index_reset_ticks;
mem->pad.index_reset_ticks = (s64)CoreTiming::GetTicks();
}
mem->touch.index = next_touch_index;
next_touch_index = (next_touch_index + 1) % mem->touch.entries.size();
// Get the current touch entry
TouchDataEntry& touch_entry = mem->touch.entries[mem->touch.index];
bool pressed = false;
float x, y;
std::tie(x, y, pressed) = touch_device->GetStatus();
touch_entry.x = static_cast<u16>(x * Core::kScreenBottomWidth);
touch_entry.y = static_cast<u16>(y * Core::kScreenBottomHeight);
touch_entry.valid.Assign(pressed ? 1 : 0);
// TODO(bunnei): We're not doing anything with offset 0xA8 + 0x18 of HID SharedMemory, which
// supposedly is "Touch-screen entry, which contains the raw coordinate data prior to being
// converted to pixel coordinates." (http://3dbrew.org/wiki/HID_Shared_Memory#Offset_0xA8).
// If we just updated index 0, provide a new timestamp
if (mem->touch.index == 0) {
mem->touch.index_reset_ticks_previous = mem->touch.index_reset_ticks;
mem->touch.index_reset_ticks = (s64)CoreTiming::GetTicks();
}
// Signal both handles when there's an update to Pad or touch
event_pad_or_touch_1->Signal();
event_pad_or_touch_2->Signal();
// Reschedule recurrent event
CoreTiming::ScheduleEvent(pad_update_ticks - cycles_late, pad_update_event);
}
static void UpdateAccelerometerCallback(u64 userdata, int cycles_late) {
SharedMem* mem = reinterpret_cast<SharedMem*>(shared_mem->GetPointer());
mem->accelerometer.index = next_accelerometer_index;
next_accelerometer_index = (next_accelerometer_index + 1) % mem->accelerometer.entries.size();
Math::Vec3<float> accel;
std::tie(accel, std::ignore) = motion_device->GetStatus();
accel *= accelerometer_coef;
// TODO(wwylele): do a time stretch like the one in UpdateGyroscopeCallback
// The time stretch formula should be like
// stretched_vector = (raw_vector - gravity) * stretch_ratio + gravity
AccelerometerDataEntry& accelerometer_entry =
mem->accelerometer.entries[mem->accelerometer.index];
accelerometer_entry.x = static_cast<s16>(accel.x);
accelerometer_entry.y = static_cast<s16>(accel.y);
accelerometer_entry.z = static_cast<s16>(accel.z);
// Make up "raw" entry
// TODO(wwylele):
// From hardware testing, the raw_entry values are approximately, but not exactly, as twice as
// corresponding entries (or with a minus sign). It may caused by system calibration to the
// accelerometer. Figure out how it works, or, if no game reads raw_entry, the following three
// lines can be removed and leave raw_entry unimplemented.
mem->accelerometer.raw_entry.x = -2 * accelerometer_entry.x;
mem->accelerometer.raw_entry.z = 2 * accelerometer_entry.y;
mem->accelerometer.raw_entry.y = -2 * accelerometer_entry.z;
// If we just updated index 0, provide a new timestamp
if (mem->accelerometer.index == 0) {
mem->accelerometer.index_reset_ticks_previous = mem->accelerometer.index_reset_ticks;
mem->accelerometer.index_reset_ticks = (s64)CoreTiming::GetTicks();
}
event_accelerometer->Signal();
// Reschedule recurrent event
CoreTiming::ScheduleEvent(accelerometer_update_ticks - cycles_late, accelerometer_update_event);
}
static void UpdateGyroscopeCallback(u64 userdata, int cycles_late) {
SharedMem* mem = reinterpret_cast<SharedMem*>(shared_mem->GetPointer());
mem->gyroscope.index = next_gyroscope_index;
next_gyroscope_index = (next_gyroscope_index + 1) % mem->gyroscope.entries.size();
GyroscopeDataEntry& gyroscope_entry = mem->gyroscope.entries[mem->gyroscope.index];
Math::Vec3<float> gyro;
std::tie(std::ignore, gyro) = motion_device->GetStatus();
double stretch = Core::System::GetInstance().perf_stats.GetLastFrameTimeScale();
gyro *= gyroscope_coef * static_cast<float>(stretch);
gyroscope_entry.x = static_cast<s16>(gyro.x);
gyroscope_entry.y = static_cast<s16>(gyro.y);
gyroscope_entry.z = static_cast<s16>(gyro.z);
// Make up "raw" entry
mem->gyroscope.raw_entry.x = gyroscope_entry.x;
mem->gyroscope.raw_entry.z = -gyroscope_entry.y;
mem->gyroscope.raw_entry.y = gyroscope_entry.z;
// If we just updated index 0, provide a new timestamp
if (mem->gyroscope.index == 0) {
mem->gyroscope.index_reset_ticks_previous = mem->gyroscope.index_reset_ticks;
mem->gyroscope.index_reset_ticks = (s64)CoreTiming::GetTicks();
}
event_gyroscope->Signal();
// Reschedule recurrent event
CoreTiming::ScheduleEvent(gyroscope_update_ticks - cycles_late, gyroscope_update_event);
}
void GetIPCHandles(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = 0; // No error
cmd_buff[2] = 0x14000000; // IPC Command Structure translate-header
// TODO(yuriks): Return error from SendSyncRequest is this fails (part of IPC marshalling)
cmd_buff[3] = Kernel::g_handle_table.Create(Service::HID::shared_mem).Unwrap();
cmd_buff[4] = Kernel::g_handle_table.Create(Service::HID::event_pad_or_touch_1).Unwrap();
cmd_buff[5] = Kernel::g_handle_table.Create(Service::HID::event_pad_or_touch_2).Unwrap();
cmd_buff[6] = Kernel::g_handle_table.Create(Service::HID::event_accelerometer).Unwrap();
cmd_buff[7] = Kernel::g_handle_table.Create(Service::HID::event_gyroscope).Unwrap();
cmd_buff[8] = Kernel::g_handle_table.Create(Service::HID::event_debug_pad).Unwrap();
}
void EnableAccelerometer(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
++enable_accelerometer_count;
// Schedules the accelerometer update event if the accelerometer was just enabled
if (enable_accelerometer_count == 1) {
CoreTiming::ScheduleEvent(accelerometer_update_ticks, accelerometer_update_event);
}
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_DEBUG(Service_HID, "called");
}
void DisableAccelerometer(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
--enable_accelerometer_count;
// Unschedules the accelerometer update event if the accelerometer was just disabled
if (enable_accelerometer_count == 0) {
CoreTiming::UnscheduleEvent(accelerometer_update_event, 0);
}
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_DEBUG(Service_HID, "called");
}
void EnableGyroscopeLow(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
++enable_gyroscope_count;
// Schedules the gyroscope update event if the gyroscope was just enabled
if (enable_gyroscope_count == 1) {
CoreTiming::ScheduleEvent(gyroscope_update_ticks, gyroscope_update_event);
}
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_DEBUG(Service_HID, "called");
}
void DisableGyroscopeLow(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
--enable_gyroscope_count;
// Unschedules the gyroscope update event if the gyroscope was just disabled
if (enable_gyroscope_count == 0) {
CoreTiming::UnscheduleEvent(gyroscope_update_event, 0);
}
cmd_buff[1] = RESULT_SUCCESS.raw;
LOG_DEBUG(Service_HID, "called");
}
void GetGyroscopeLowRawToDpsCoefficient(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = RESULT_SUCCESS.raw;
f32 coef = gyroscope_coef;
memcpy(&cmd_buff[2], &coef, 4);
}
void GetGyroscopeLowCalibrateParam(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = RESULT_SUCCESS.raw;
const s16 param_unit = 6700; // an approximate value taken from hw
GyroscopeCalibrateParam param = {
{0, param_unit, -param_unit}, {0, param_unit, -param_unit}, {0, param_unit, -param_unit},
};
memcpy(&cmd_buff[2], &param, sizeof(param));
LOG_WARNING(Service_HID, "(STUBBED) called");
}
void GetSoundVolume(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
const u8 volume = 0x3F; // TODO(purpasmart): Find out if this is the max value for the volume
cmd_buff[1] = RESULT_SUCCESS.raw;
cmd_buff[2] = volume;
LOG_WARNING(Service_HID, "(STUBBED) called");
}
void Init() {
using namespace Kernel;
AddService(new HID_U_Interface);
AddService(new HID_SPVR_Interface);
is_device_reload_pending.store(true);
using Kernel::MemoryPermission;
shared_mem =
SharedMemory::Create(nullptr, 0x1000, MemoryPermission::ReadWrite, MemoryPermission::Read,
0, Kernel::MemoryRegion::BASE, "HID:SharedMemory");
next_pad_index = 0;
next_touch_index = 0;
next_accelerometer_index = 0;
next_gyroscope_index = 0;
enable_accelerometer_count = 0;
enable_gyroscope_count = 0;
// Create event handles
event_pad_or_touch_1 = Event::Create(ResetType::OneShot, "HID:EventPadOrTouch1");
event_pad_or_touch_2 = Event::Create(ResetType::OneShot, "HID:EventPadOrTouch2");
event_accelerometer = Event::Create(ResetType::OneShot, "HID:EventAccelerometer");
event_gyroscope = Event::Create(ResetType::OneShot, "HID:EventGyroscope");
event_debug_pad = Event::Create(ResetType::OneShot, "HID:EventDebugPad");
// Register update callbacks
pad_update_event = CoreTiming::RegisterEvent("HID::UpdatePadCallback", UpdatePadCallback);
accelerometer_update_event =
CoreTiming::RegisterEvent("HID::UpdateAccelerometerCallback", UpdateAccelerometerCallback);
gyroscope_update_event =
CoreTiming::RegisterEvent("HID::UpdateGyroscopeCallback", UpdateGyroscopeCallback);
CoreTiming::ScheduleEvent(pad_update_ticks, pad_update_event);
}
void Shutdown() {
shared_mem = nullptr;
event_pad_or_touch_1 = nullptr;
event_pad_or_touch_2 = nullptr;
event_accelerometer = nullptr;
event_gyroscope = nullptr;
event_debug_pad = nullptr;
UnloadInputDevices();
}
void ReloadInputDevices() {
is_device_reload_pending.store(true);
}
} // namespace HID } // namespace HID
} // namespace Service } // namespace Service

266
src/core/hle/service/hid/hid.h
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@ -4,270 +4,9 @@
#pragma once #pragma once
#include <array>
#ifndef _MSC_VER
#include <cstddef>
#endif
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/settings.h"
namespace Service { namespace Service {
class Interface;
namespace HID { namespace HID {
/**
* Structure of a Pad controller state.
*/
struct PadState {
union {
u32 hex{};
BitField<0, 1, u32> a;
BitField<1, 1, u32> b;
BitField<2, 1, u32> select;
BitField<3, 1, u32> start;
BitField<4, 1, u32> right;
BitField<5, 1, u32> left;
BitField<6, 1, u32> up;
BitField<7, 1, u32> down;
BitField<8, 1, u32> r;
BitField<9, 1, u32> l;
BitField<10, 1, u32> x;
BitField<11, 1, u32> y;
BitField<28, 1, u32> circle_right;
BitField<29, 1, u32> circle_left;
BitField<30, 1, u32> circle_up;
BitField<31, 1, u32> circle_down;
};
};
/**
* Structure of a single entry of Pad state history within HID shared memory
*/
struct PadDataEntry {
PadState current_state;
PadState delta_additions;
PadState delta_removals;
s16 circle_pad_x;
s16 circle_pad_y;
};
/**
* Structure of a single entry of touch state history within HID shared memory
*/
struct TouchDataEntry {
u16 x; ///< Y-coordinate of a touchpad press on the lower screen
u16 y; ///< X-coordinate of a touchpad press on the lower screen
BitField<0, 7, u32> valid; ///< Set to 1 when this entry contains actual X/Y data, otherwise 0
};
/**
* Structure of a single entry of accelerometer state history within HID shared memory
*/
struct AccelerometerDataEntry {
s16 x;
s16 y;
s16 z;
};
/**
* Structure of a single entry of gyroscope state history within HID shared memory
*/
struct GyroscopeDataEntry {
s16 x;
s16 y;
s16 z;
};
/**
* Structure of data stored in HID shared memory
*/
struct SharedMem {
/// Pad data, this is used for buttons and the circle pad
struct {
s64 index_reset_ticks; ///< CPU tick count for when HID module updated entry index 0
s64 index_reset_ticks_previous; ///< Previous `index_reset_ticks`
u32 index; ///< Index of the last updated pad state entry
INSERT_PADDING_WORDS(0x2);
PadState current_state; ///< Current state of the pad buttons
// TODO(bunnei): Implement `raw_circle_pad_data` field
u32 raw_circle_pad_data; ///< Raw (analog) circle pad data, before being converted
INSERT_PADDING_WORDS(0x1);
std::array<PadDataEntry, 8> entries; ///< Last 8 pad entries
} pad;
/// Touchpad data, this is used for touchpad input
struct {
s64 index_reset_ticks; ///< CPU tick count for when HID module updated entry index 0
s64 index_reset_ticks_previous; ///< Previous `index_reset_ticks`
u32 index; ///< Index of the last updated touch entry
INSERT_PADDING_WORDS(0x1);
// TODO(bunnei): Implement `raw_entry` field
TouchDataEntry raw_entry; ///< Raw (analog) touch data, before being converted
std::array<TouchDataEntry, 8> entries; ///< Last 8 touch entries, in pixel coordinates
} touch;
/// Accelerometer data
struct {
s64 index_reset_ticks; ///< CPU tick count for when HID module updated entry index 0
s64 index_reset_ticks_previous; ///< Previous `index_reset_ticks`
u32 index; ///< Index of the last updated accelerometer entry
INSERT_PADDING_WORDS(0x1);
AccelerometerDataEntry raw_entry;
INSERT_PADDING_BYTES(2);
std::array<AccelerometerDataEntry, 8> entries;
} accelerometer;
/// Gyroscope data
struct {
s64 index_reset_ticks; ///< CPU tick count for when HID module updated entry index 0
s64 index_reset_ticks_previous; ///< Previous `index_reset_ticks`
u32 index; ///< Index of the last updated accelerometer entry
INSERT_PADDING_WORDS(0x1);
GyroscopeDataEntry raw_entry;
INSERT_PADDING_BYTES(2);
std::array<GyroscopeDataEntry, 32> entries;
} gyroscope;
};
/**
* Structure of calibrate params that GetGyroscopeLowCalibrateParam returns
*/
struct GyroscopeCalibrateParam {
struct {
// TODO (wwylele): figure out the exact meaning of these params
s16 zero_point;
s16 positive_unit_point;
s16 negative_unit_point;
} x, y, z;
};
// TODO: MSVC does not support using offsetof() on non-static data members even though this
// is technically allowed since C++11. This macro should be enabled once MSVC adds
// support for that.
#ifndef _MSC_VER
#define ASSERT_REG_POSITION(field_name, position) \
static_assert(offsetof(SharedMem, field_name) == position * 4, \
"Field " #field_name " has invalid position")
ASSERT_REG_POSITION(pad.index_reset_ticks, 0x0);
ASSERT_REG_POSITION(touch.index_reset_ticks, 0x2A);
#undef ASSERT_REG_POSITION
#endif // !defined(_MSC_VER)
struct DirectionState {
bool up;
bool down;
bool left;
bool right;
};
/// Translates analog stick axes to directions. This is exposed for ir_rst module to use.
DirectionState GetStickDirectionState(s16 circle_pad_x, s16 circle_pad_y);
/**
* HID::GetIPCHandles service function
* Inputs:
* None
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : IPC Command Structure translate-header
* 3 : Handle to HID shared memory
* 4 : Event signaled by HID
* 5 : Event signaled by HID
* 6 : Event signaled by HID
* 7 : Gyroscope event
* 8 : Event signaled by HID
*/
void GetIPCHandles(Interface* self);
/**
* HID::EnableAccelerometer service function
* Inputs:
* None
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void EnableAccelerometer(Interface* self);
/**
* HID::DisableAccelerometer service function
* Inputs:
* None
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void DisableAccelerometer(Interface* self);
/**
* HID::EnableGyroscopeLow service function
* Inputs:
* None
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void EnableGyroscopeLow(Interface* self);
/**
* HID::DisableGyroscopeLow service function
* Inputs:
* None
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void DisableGyroscopeLow(Interface* self);
/**
* HID::GetSoundVolume service function
* Inputs:
* None
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : u8 output value
*/
void GetSoundVolume(Interface* self);
/**
* HID::GetGyroscopeLowRawToDpsCoefficient service function
* Inputs:
* None
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : float output value
*/
void GetGyroscopeLowRawToDpsCoefficient(Service::Interface* self);
/**
* HID::GetGyroscopeLowCalibrateParam service function
* Inputs:
* None
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2~6 (18 bytes) : struct GyroscopeCalibrateParam
*/
void GetGyroscopeLowCalibrateParam(Service::Interface* self);
/// Initialize HID service /// Initialize HID service
void Init(); void Init();
@ -276,5 +15,6 @@ void Shutdown();
/// Reload input devices. Used when input configuration changed /// Reload input devices. Used when input configuration changed
void ReloadInputDevices(); void ReloadInputDevices();
}
} } // namespace HID
} // namespace Service

29
src/core/hle/service/hid/hid_spvr.cpp
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@ -1,29 +0,0 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/service/hid/hid.h"
#include "core/hle/service/hid/hid_spvr.h"
namespace Service {
namespace HID {
const Interface::FunctionInfo FunctionTable[] = {
{0x000A0000, GetIPCHandles, "GetIPCHandles"},
{0x000B0000, nullptr, "StartAnalogStickCalibration"},
{0x000E0000, nullptr, "GetAnalogStickCalibrateParam"},
{0x00110000, EnableAccelerometer, "EnableAccelerometer"},
{0x00120000, DisableAccelerometer, "DisableAccelerometer"},
{0x00130000, EnableGyroscopeLow, "EnableGyroscopeLow"},
{0x00140000, DisableGyroscopeLow, "DisableGyroscopeLow"},
{0x00150000, GetGyroscopeLowRawToDpsCoefficient, "GetGyroscopeLowRawToDpsCoefficient"},
{0x00160000, GetGyroscopeLowCalibrateParam, "GetGyroscopeLowCalibrateParam"},
{0x00170000, GetSoundVolume, "GetSoundVolume"},
};
HID_SPVR_Interface::HID_SPVR_Interface() {
Register(FunctionTable);
}
} // namespace HID
} // namespace Service

22
src/core/hle/service/hid/hid_spvr.h
View file

@ -1,22 +0,0 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
namespace Service {
namespace HID {
class HID_SPVR_Interface : public Service::Interface {
public:
HID_SPVR_Interface();
std::string GetPortName() const override {
return "hid:SPVR";
}
};
} // namespace HID
} // namespace Service

29
src/core/hle/service/hid/hid_user.cpp
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@ -1,29 +0,0 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/service/hid/hid.h"
#include "core/hle/service/hid/hid_user.h"
namespace Service {
namespace HID {
const Interface::FunctionInfo FunctionTable[] = {
{0x000A0000, GetIPCHandles, "GetIPCHandles"},
{0x000B0000, nullptr, "StartAnalogStickCalibration"},
{0x000E0000, nullptr, "GetAnalogStickCalibrateParam"},
{0x00110000, EnableAccelerometer, "EnableAccelerometer"},
{0x00120000, DisableAccelerometer, "DisableAccelerometer"},
{0x00130000, EnableGyroscopeLow, "EnableGyroscopeLow"},
{0x00140000, DisableGyroscopeLow, "DisableGyroscopeLow"},
{0x00150000, GetGyroscopeLowRawToDpsCoefficient, "GetGyroscopeLowRawToDpsCoefficient"},
{0x00160000, GetGyroscopeLowCalibrateParam, "GetGyroscopeLowCalibrateParam"},
{0x00170000, GetSoundVolume, "GetSoundVolume"},
};
HID_U_Interface::HID_U_Interface() {
Register(FunctionTable);
}
} // namespace HID
} // namespace Service

28
src/core/hle/service/hid/hid_user.h
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@ -1,28 +0,0 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
// This service is used for interfacing to physical user controls.
// Uses include game pad controls, touchscreen, accelerometers, gyroscopes, and debug pad.
namespace Service {
namespace HID {
/**
* HID service interface.
*/
class HID_U_Interface : public Service::Interface {
public:
HID_U_Interface();
std::string GetPortName() const override {
return "hid:USER";
}
};
} // namespace HID
} // namespace Service

16
src/core/hle/service/ns/ns.cpp
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@ -1,16 +0,0 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/service/ns/ns.h"
#include "core/hle/service/ns/ns_s.h"
namespace Service {
namespace NS {
void InstallInterfaces(SM::ServiceManager& service_manager) {
std::make_shared<NS_S>()->InstallAsService(service_manager);
}
} // namespace NS
} // namespace Service

16
src/core/hle/service/ns/ns.h
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@ -1,16 +0,0 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/service/service.h"
namespace Service {
namespace NS {
/// Registers all NS services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager);
} // namespace NS
} // namespace Service

34
src/core/hle/service/ns/ns_s.cpp
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@ -1,34 +0,0 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/service/ns/ns_s.h"
namespace Service {
namespace NS {
NS_S::NS_S() : ServiceFramework("ns:s", 2) {
static const FunctionInfo functions[] = {
{0x000100C0, nullptr, "LaunchFIRM"},
{0x000200C0, nullptr, "LaunchTitle"},
{0x00030000, nullptr, "TerminateApplication"},
{0x00040040, nullptr, "TerminateProcess"},
{0x000500C0, nullptr, "LaunchApplicationFIRM"},
{0x00060042, nullptr, "SetFIRMParams4A0"},
{0x00070042, nullptr, "CardUpdateInitialize"},
{0x00080000, nullptr, "CardUpdateShutdown"},
{0x000D0140, nullptr, "SetTWLBannerHMAC"},
{0x000E0000, nullptr, "ShutdownAsync"},
{0x00100180, nullptr, "RebootSystem"},
{0x00110100, nullptr, "TerminateTitle"},
{0x001200C0, nullptr, "SetApplicationCpuTimeLimit"},
{0x00150140, nullptr, "LaunchApplication"},
{0x00160000, nullptr, "RebootSystemClean"},
};
RegisterHandlers(functions);
}
NS_S::~NS_S() = default;
} // namespace NS
} // namespace Service

21
src/core/hle/service/ns/ns_s.h
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@ -1,21 +0,0 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "core/hle/kernel/kernel.h"
#include "core/hle/service/service.h"
namespace Service {
namespace NS {
/// Interface to "ns:s" service
class NS_S final : public ServiceFramework<NS_S> {
public:
NS_S();
~NS_S();
};
} // namespace NS
} // namespace Service

350
src/core/loader/3dsx.cpp
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@ -1,350 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <vector>
#include "common/logging/log.h"
#include "core/file_sys/archive_selfncch.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/service/fs/archive.h"
#include "core/loader/3dsx.h"
#include "core/memory.h"
namespace Loader {
/*
* File layout:
* - File header
* - Code, rodata and data relocation table headers
* - Code segment
* - Rodata segment
* - Loadable (non-BSS) part of the data segment
* - Code relocation table
* - Rodata relocation table
* - Data relocation table
*
* Memory layout before relocations are applied:
* [0..codeSegSize) -> code segment
* [codeSegSize..rodataSegSize) -> rodata segment
* [rodataSegSize..dataSegSize) -> data segment
*
* Memory layout after relocations are applied: well, however the loader sets it up :)
* The entrypoint is always the start of the code segment.
* The BSS section must be cleared manually by the application.
*/
enum THREEDSX_Error { ERROR_NONE = 0, ERROR_READ = 1, ERROR_FILE = 2, ERROR_ALLOC = 3 };
static const u32 RELOCBUFSIZE = 512;
static const unsigned int NUM_SEGMENTS = 3;
// File header
#pragma pack(1)
struct THREEDSX_Header {
u32 magic;
u16 header_size, reloc_hdr_size;
u32 format_ver;
u32 flags;
// Sizes of the code, rodata and data segments +
// size of the BSS section (uninitialized latter half of the data segment)
u32 code_seg_size, rodata_seg_size, data_seg_size, bss_size;
// offset and size of smdh
u32 smdh_offset, smdh_size;
// offset to filesystem
u32 fs_offset;
};
// Relocation header: all fields (even extra unknown fields) are guaranteed to be relocation counts.
struct THREEDSX_RelocHdr {
// # of absolute relocations (that is, fix address to post-relocation memory layout)
u32 cross_segment_absolute;
// # of cross-segment relative relocations (that is, 32bit signed offsets that need to be
// patched)
u32 cross_segment_relative;
// more?
// Relocations are written in this order:
// - Absolute relocations
// - Relative relocations
};
// Relocation entry: from the current pointer, skip X words and patch Y words
struct THREEDSX_Reloc {
u16 skip, patch;
};
#pragma pack()
struct THREEloadinfo {
u8* seg_ptrs[3]; // code, rodata & data
u32 seg_addrs[3];
u32 seg_sizes[3];
};
static u32 TranslateAddr(u32 addr, const THREEloadinfo* loadinfo, u32* offsets) {
if (addr < offsets[0])
return loadinfo->seg_addrs[0] + addr;
if (addr < offsets[1])
return loadinfo->seg_addrs[1] + addr - offsets[0];
return loadinfo->seg_addrs[2] + addr - offsets[1];
}
using Kernel::CodeSet;
using Kernel::SharedPtr;
static THREEDSX_Error Load3DSXFile(FileUtil::IOFile& file, u32 base_addr,
SharedPtr<CodeSet>* out_codeset) {
if (!file.IsOpen())
return ERROR_FILE;
// Reset read pointer in case this file has been read before.
file.Seek(0, SEEK_SET);
THREEDSX_Header hdr;
if (file.ReadBytes(&hdr, sizeof(hdr)) != sizeof(hdr))
return ERROR_READ;
THREEloadinfo loadinfo;
// loadinfo segments must be a multiple of 0x1000
loadinfo.seg_sizes[0] = (hdr.code_seg_size + 0xFFF) & ~0xFFF;
loadinfo.seg_sizes[1] = (hdr.rodata_seg_size + 0xFFF) & ~0xFFF;
loadinfo.seg_sizes[2] = (hdr.data_seg_size + 0xFFF) & ~0xFFF;
u32 offsets[2] = {loadinfo.seg_sizes[0], loadinfo.seg_sizes[0] + loadinfo.seg_sizes[1]};
u32 n_reloc_tables = hdr.reloc_hdr_size / sizeof(u32);
std::vector<u8> program_image(loadinfo.seg_sizes[0] + loadinfo.seg_sizes[1] +
loadinfo.seg_sizes[2]);
loadinfo.seg_addrs[0] = base_addr;
loadinfo.seg_addrs[1] = loadinfo.seg_addrs[0] + loadinfo.seg_sizes[0];
loadinfo.seg_addrs[2] = loadinfo.seg_addrs[1] + loadinfo.seg_sizes[1];
loadinfo.seg_ptrs[0] = program_image.data();
loadinfo.seg_ptrs[1] = loadinfo.seg_ptrs[0] + loadinfo.seg_sizes[0];
loadinfo.seg_ptrs[2] = loadinfo.seg_ptrs[1] + loadinfo.seg_sizes[1];
// Skip header for future compatibility
file.Seek(hdr.header_size, SEEK_SET);
// Read the relocation headers
std::vector<u32> relocs(n_reloc_tables * NUM_SEGMENTS);
for (unsigned int current_segment = 0; current_segment < NUM_SEGMENTS; ++current_segment) {
size_t size = n_reloc_tables * sizeof(u32);
if (file.ReadBytes(&relocs[current_segment * n_reloc_tables], size) != size)
return ERROR_READ;
}
// Read the segments
if (file.ReadBytes(loadinfo.seg_ptrs[0], hdr.code_seg_size) != hdr.code_seg_size)
return ERROR_READ;
if (file.ReadBytes(loadinfo.seg_ptrs[1], hdr.rodata_seg_size) != hdr.rodata_seg_size)
return ERROR_READ;
if (file.ReadBytes(loadinfo.seg_ptrs[2], hdr.data_seg_size - hdr.bss_size) !=
hdr.data_seg_size - hdr.bss_size)
return ERROR_READ;
// BSS clear
memset((char*)loadinfo.seg_ptrs[2] + hdr.data_seg_size - hdr.bss_size, 0, hdr.bss_size);
// Relocate the segments
for (unsigned int current_segment = 0; current_segment < NUM_SEGMENTS; ++current_segment) {
for (unsigned current_segment_reloc_table = 0; current_segment_reloc_table < n_reloc_tables;
current_segment_reloc_table++) {
u32 n_relocs = relocs[current_segment * n_reloc_tables + current_segment_reloc_table];
if (current_segment_reloc_table >= 2) {
// We are not using this table - ignore it because we don't know what it dose
file.Seek(n_relocs * sizeof(THREEDSX_Reloc), SEEK_CUR);
continue;
}
THREEDSX_Reloc reloc_table[RELOCBUFSIZE];
u32* pos = (u32*)loadinfo.seg_ptrs[current_segment];
const u32* end_pos = pos + (loadinfo.seg_sizes[current_segment] / 4);
while (n_relocs) {
u32 remaining = std::min(RELOCBUFSIZE, n_relocs);
n_relocs -= remaining;
if (file.ReadBytes(reloc_table, remaining * sizeof(THREEDSX_Reloc)) !=
remaining * sizeof(THREEDSX_Reloc))
return ERROR_READ;
for (unsigned current_inprogress = 0;
current_inprogress < remaining && pos < end_pos; current_inprogress++) {
const auto& table = reloc_table[current_inprogress];
LOG_TRACE(Loader, "(t=%d,skip=%u,patch=%u)", current_segment_reloc_table,
static_cast<u32>(table.skip), static_cast<u32>(table.patch));
pos += table.skip;
s32 num_patches = table.patch;
while (0 < num_patches && pos < end_pos) {
u32 in_addr = base_addr + static_cast<u32>(reinterpret_cast<u8*>(pos) -
program_image.data());
u32 orig_data = *pos;
u32 sub_type = orig_data >> (32 - 4);
u32 addr = TranslateAddr(orig_data & ~0xF0000000, &loadinfo, offsets);
LOG_TRACE(Loader, "Patching %08X <-- rel(%08X,%d) (%08X)", in_addr, addr,
current_segment_reloc_table, *pos);
switch (current_segment_reloc_table) {
case 0: {
if (sub_type != 0)
return ERROR_READ;
*pos = addr;
break;
}
case 1: {
u32 data = addr - in_addr;
switch (sub_type) {
case 0: // 32-bit signed offset
*pos = data;
break;
case 1: // 31-bit signed offset
*pos = data & ~(1U << 31);
break;
default:
return ERROR_READ;
}
break;
}
default:
break; // this should never happen
}
pos++;
num_patches--;
}
}
}
}
}
// Create the CodeSet
SharedPtr<CodeSet> code_set = CodeSet::Create("", 0);
code_set->code.offset = loadinfo.seg_ptrs[0] - program_image.data();
code_set->code.addr = loadinfo.seg_addrs[0];
code_set->code.size = loadinfo.seg_sizes[0];
code_set->rodata.offset = loadinfo.seg_ptrs[1] - program_image.data();
code_set->rodata.addr = loadinfo.seg_addrs[1];
code_set->rodata.size = loadinfo.seg_sizes[1];
code_set->data.offset = loadinfo.seg_ptrs[2] - program_image.data();
code_set->data.addr = loadinfo.seg_addrs[2];
code_set->data.size = loadinfo.seg_sizes[2];
code_set->entrypoint = code_set->code.addr;
code_set->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
LOG_DEBUG(Loader, "code size: 0x%X", loadinfo.seg_sizes[0]);
LOG_DEBUG(Loader, "rodata size: 0x%X", loadinfo.seg_sizes[1]);
LOG_DEBUG(Loader, "data size: 0x%X (including 0x%X of bss)", loadinfo.seg_sizes[2],
hdr.bss_size);
*out_codeset = code_set;
return ERROR_NONE;
}
FileType AppLoader_THREEDSX::IdentifyType(FileUtil::IOFile& file) {
u32 magic;
file.Seek(0, SEEK_SET);
if (1 != file.ReadArray<u32>(&magic, 1))
return FileType::Error;
if (MakeMagic('3', 'D', 'S', 'X') == magic)
return FileType::THREEDSX;
return FileType::Error;
}
ResultStatus AppLoader_THREEDSX::Load(Kernel::SharedPtr<Kernel::Process>& process) {
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
if (!file.IsOpen())
return ResultStatus::Error;
SharedPtr<CodeSet> codeset;
if (Load3DSXFile(file, Memory::PROCESS_IMAGE_VADDR, &codeset) != ERROR_NONE)
return ResultStatus::Error;
codeset->name = filename;
process = Kernel::Process::Create("main");
process->LoadModule(codeset, codeset->entrypoint);
process->svc_access_mask.set();
process->address_mappings = default_address_mappings;
// Attach the default resource limit (APPLICATION) to the process
process->resource_limit =
Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
process->Run(codeset->entrypoint, 48, Kernel::DEFAULT_STACK_SIZE);
Service::FS::RegisterSelfNCCH(*this);
is_loaded = true;
return ResultStatus::Success;
}
ResultStatus AppLoader_THREEDSX::ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file,
u64& offset, u64& size) {
if (!file.IsOpen())
return ResultStatus::Error;
// Reset read pointer in case this file has been read before.
file.Seek(0, SEEK_SET);
THREEDSX_Header hdr;
if (file.ReadBytes(&hdr, sizeof(THREEDSX_Header)) != sizeof(THREEDSX_Header))
return ResultStatus::Error;
if (hdr.header_size != sizeof(THREEDSX_Header))
return ResultStatus::Error;
// Check if the 3DSX has a RomFS...
if (hdr.fs_offset != 0) {
u32 romfs_offset = hdr.fs_offset;
u32 romfs_size = static_cast<u32>(file.GetSize()) - hdr.fs_offset;
LOG_DEBUG(Loader, "RomFS offset: 0x%08X", romfs_offset);
LOG_DEBUG(Loader, "RomFS size: 0x%08X", romfs_size);
// We reopen the file, to allow its position to be independent from file's
romfs_file = std::make_shared<FileUtil::IOFile>(filepath, "rb");
if (!romfs_file->IsOpen())
return ResultStatus::Error;
offset = romfs_offset;
size = romfs_size;
return ResultStatus::Success;
}
LOG_DEBUG(Loader, "3DSX has no RomFS");
return ResultStatus::ErrorNotUsed;
}
ResultStatus AppLoader_THREEDSX::ReadIcon(std::vector<u8>& buffer) {
if (!file.IsOpen())
return ResultStatus::Error;
// Reset read pointer in case this file has been read before.
file.Seek(0, SEEK_SET);
THREEDSX_Header hdr;
if (file.ReadBytes(&hdr, sizeof(THREEDSX_Header)) != sizeof(THREEDSX_Header))
return ResultStatus::Error;
if (hdr.header_size != sizeof(THREEDSX_Header))
return ResultStatus::Error;
// Check if the 3DSX has a SMDH...
if (hdr.smdh_offset != 0) {
file.Seek(hdr.smdh_offset, SEEK_SET);
buffer.resize(hdr.smdh_size);
if (file.ReadBytes(&buffer[0], hdr.smdh_size) != hdr.smdh_size)
return ResultStatus::Error;
return ResultStatus::Success;
}
return ResultStatus::ErrorNotUsed;
}
} // namespace Loader

46
src/core/loader/3dsx.h
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@ -1,46 +0,0 @@
// Copyright 2014 Dolphin Emulator Project / Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include "common/common_types.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Loader namespace
namespace Loader {
/// Loads an 3DSX file
class AppLoader_THREEDSX final : public AppLoader {
public:
AppLoader_THREEDSX(FileUtil::IOFile&& file, const std::string& filename,
const std::string& filepath)
: AppLoader(std::move(file)), filename(std::move(filename)), filepath(filepath) {}
/**
* Returns the type of the file
* @param file FileUtil::IOFile open file
* @return FileType found, or FileType::Error if this loader doesn't know it
*/
static FileType IdentifyType(FileUtil::IOFile& file);
FileType GetFileType() override {
return IdentifyType(file);
}
ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
ResultStatus ReadIcon(std::vector<u8>& buffer) override;
ResultStatus ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) override;
private:
std::string filename;
std::string filepath;
};
} // namespace Loader

31
src/core/loader/loader.cpp
View file

@ -31,9 +31,7 @@ FileType IdentifyFile(FileUtil::IOFile& file) {
if (FileType::Error != type) \ if (FileType::Error != type) \
return type; return type;
CHECK_TYPE(THREEDSX)
CHECK_TYPE(ELF) CHECK_TYPE(ELF)
CHECK_TYPE(NCCH)
CHECK_TYPE(NSO) CHECK_TYPE(NSO)
CHECK_TYPE(NRO) CHECK_TYPE(NRO)
@ -58,33 +56,13 @@ FileType GuessFromExtension(const std::string& extension_) {
if (extension == ".elf" || extension == ".axf") if (extension == ".elf" || extension == ".axf")
return FileType::ELF; return FileType::ELF;
if (extension == ".cci" || extension == ".3ds")
return FileType::CCI;
if (extension == ".cxi")
return FileType::CXI;
if (extension == ".3dsx")
return FileType::THREEDSX;
if (extension == ".cia")
return FileType::CIA;
return FileType::Unknown; return FileType::Unknown;
} }
const char* GetFileTypeString(FileType type) { const char* GetFileTypeString(FileType type) {
switch (type) { switch (type) {
case FileType::CCI:
return "NCSD";
case FileType::CXI:
return "NCCH";
case FileType::CIA:
return "CIA";
case FileType::ELF: case FileType::ELF:
return "ELF"; return "ELF";
case FileType::THREEDSX:
return "3DSX";
case FileType::Error: case FileType::Error:
case FileType::Unknown: case FileType::Unknown:
break; break;
@ -106,19 +84,10 @@ static std::unique_ptr<AppLoader> GetFileLoader(FileUtil::IOFile&& file, FileTyp
const std::string& filepath) { const std::string& filepath) {
switch (type) { switch (type) {
// 3DSX file format.
case FileType::THREEDSX:
return std::make_unique<AppLoader_THREEDSX>(std::move(file), filename, filepath);
// Standard ELF file format. // Standard ELF file format.
case FileType::ELF: case FileType::ELF:
return std::make_unique<AppLoader_ELF>(std::move(file), filename); return std::make_unique<AppLoader_ELF>(std::move(file), filename);
// NCCH/NCSD container formats.
case FileType::CXI:
case FileType::CCI:
return std::make_unique<AppLoader_NCCH>(std::move(file), filepath);
// NX NSO file format. // NX NSO file format.
case FileType::NSO: case FileType::NSO:
return std::make_unique<AppLoader_NSO>(std::move(file), filepath); return std::make_unique<AppLoader_NSO>(std::move(file), filepath);

4
src/core/loader/loader.h
View file

@ -29,11 +29,7 @@ namespace Loader {
enum class FileType { enum class FileType {
Error, Error,
Unknown, Unknown,
CCI,
CXI,
CIA,
ELF, ELF,
THREEDSX, // 3DSX
NSO, NSO,
NRO, NRO,
}; };

263
src/core/loader/ncch.cpp
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@ -1,263 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <cinttypes>
#include <codecvt>
#include <cstring>
#include <locale>
#include <memory>
#include "common/logging/log.h"
#include "common/string_util.h"
#include "common/swap.h"
#include "core/core.h"
#include "core/file_sys/archive_selfncch.h"
#include "core/file_sys/ncch_container.h"
#include "core/file_sys/title_metadata.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/service/cfg/cfg.h"
#include "core/hle/service/fs/archive.h"
#include "core/loader/ncch.h"
#include "core/loader/smdh.h"
#include "core/memory.h"
#include "network/network.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Loader namespace
namespace Loader {
static const u64 UPDATE_MASK = 0x0000000e00000000;
FileType AppLoader_NCCH::IdentifyType(FileUtil::IOFile& file) {
u32 magic;
file.Seek(0x100, SEEK_SET);
if (1 != file.ReadArray<u32>(&magic, 1))
return FileType::Error;
if (MakeMagic('N', 'C', 'S', 'D') == magic)
return FileType::CCI;
if (MakeMagic('N', 'C', 'C', 'H') == magic)
return FileType::CXI;
return FileType::Error;
}
static std::string GetUpdateNCCHPath(u64_le program_id) {
u32 high = static_cast<u32>((program_id | UPDATE_MASK) >> 32);
u32 low = static_cast<u32>((program_id | UPDATE_MASK) & 0xFFFFFFFF);
// TODO(shinyquagsire23): Title database should be doing this path lookup
std::string content_path = Common::StringFromFormat(
"%sNintendo 3DS/%s/%s/title/%08x/%08x/content/", FileUtil::GetUserPath(D_SDMC_IDX).c_str(),
SYSTEM_ID, SDCARD_ID, high, low);
std::string tmd_path = content_path + "00000000.tmd";
u32 content_id = 0;
FileSys::TitleMetadata tmd(tmd_path);
if (tmd.Load() == ResultStatus::Success) {
content_id = tmd.GetBootContentID();
}
return Common::StringFromFormat("%s%08x.app", content_path.c_str(), content_id);
}
std::pair<boost::optional<u32>, ResultStatus> AppLoader_NCCH::LoadKernelSystemMode() {
if (!is_loaded) {
ResultStatus res = base_ncch.Load();
if (res != ResultStatus::Success) {
return std::make_pair(boost::none, res);
}
}
// Set the system mode as the one from the exheader.
return std::make_pair(overlay_ncch->exheader_header.arm11_system_local_caps.system_mode.Value(),
ResultStatus::Success);
}
ResultStatus AppLoader_NCCH::LoadExec(Kernel::SharedPtr<Kernel::Process>& process) {
using Kernel::CodeSet;
using Kernel::SharedPtr;
if (!is_loaded)
return ResultStatus::ErrorNotLoaded;
std::vector<u8> code;
u64_le program_id;
if (ResultStatus::Success == ReadCode(code) &&
ResultStatus::Success == ReadProgramId(program_id)) {
std::string process_name = Common::StringFromFixedZeroTerminatedBuffer(
(const char*)overlay_ncch->exheader_header.codeset_info.name, 8);
SharedPtr<CodeSet> codeset = CodeSet::Create(process_name, program_id);
codeset->code.offset = 0;
codeset->code.addr = overlay_ncch->exheader_header.codeset_info.text.address;
codeset->code.size =
overlay_ncch->exheader_header.codeset_info.text.num_max_pages * Memory::PAGE_SIZE;
codeset->rodata.offset = codeset->code.offset + codeset->code.size;
codeset->rodata.addr = overlay_ncch->exheader_header.codeset_info.ro.address;
codeset->rodata.size =
overlay_ncch->exheader_header.codeset_info.ro.num_max_pages * Memory::PAGE_SIZE;
// TODO(yuriks): Not sure if the bss size is added to the page-aligned .data size or just
// to the regular size. Playing it safe for now.
u32 bss_page_size = (overlay_ncch->exheader_header.codeset_info.bss_size + 0xFFF) & ~0xFFF;
code.resize(code.size() + bss_page_size, 0);
codeset->data.offset = codeset->rodata.offset + codeset->rodata.size;
codeset->data.addr = overlay_ncch->exheader_header.codeset_info.data.address;
codeset->data.size =
overlay_ncch->exheader_header.codeset_info.data.num_max_pages * Memory::PAGE_SIZE +
bss_page_size;
codeset->entrypoint = codeset->code.addr;
codeset->memory = std::make_shared<std::vector<u8>>(std::move(code));
process = Kernel::Process::Create("main");
process->LoadModule(codeset, codeset->entrypoint);
// Attach a resource limit to the process based on the resource limit category
process->resource_limit =
Kernel::ResourceLimit::GetForCategory(static_cast<Kernel::ResourceLimitCategory>(
overlay_ncch->exheader_header.arm11_system_local_caps.resource_limit_category));
// Set the default CPU core for this process
process->ideal_processor =
overlay_ncch->exheader_header.arm11_system_local_caps.ideal_processor;
// Copy data while converting endianness
std::array<u32, ARRAY_SIZE(overlay_ncch->exheader_header.arm11_kernel_caps.descriptors)>
kernel_caps;
std::copy_n(overlay_ncch->exheader_header.arm11_kernel_caps.descriptors, kernel_caps.size(),
begin(kernel_caps));
process->ParseKernelCaps(kernel_caps.data(), kernel_caps.size());
s32 priority = overlay_ncch->exheader_header.arm11_system_local_caps.priority;
u32 stack_size = overlay_ncch->exheader_header.codeset_info.stack_size;
process->Run(codeset->entrypoint, priority, stack_size);
return ResultStatus::Success;
}
return ResultStatus::Error;
}
void AppLoader_NCCH::ParseRegionLockoutInfo() {
std::vector<u8> smdh_buffer;
if (ReadIcon(smdh_buffer) == ResultStatus::Success && smdh_buffer.size() >= sizeof(SMDH)) {
SMDH smdh;
memcpy(&smdh, smdh_buffer.data(), sizeof(SMDH));
u32 region_lockout = smdh.region_lockout;
constexpr u32 REGION_COUNT = 7;
for (u32 region = 0; region < REGION_COUNT; ++region) {
if (region_lockout & 1) {
Service::CFG::SetPreferredRegionCode(region);
break;
}
region_lockout >>= 1;
}
}
}
ResultStatus AppLoader_NCCH::Load(Kernel::SharedPtr<Kernel::Process>& process) {
u64_le ncch_program_id;
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
ResultStatus result = base_ncch.Load();
if (result != ResultStatus::Success)
return result;
ReadProgramId(ncch_program_id);
std::string program_id{Common::StringFromFormat("%016" PRIX64, ncch_program_id)};
LOG_INFO(Loader, "Program ID: %s", program_id.c_str());
update_ncch.OpenFile(GetUpdateNCCHPath(ncch_program_id));
result = update_ncch.Load();
if (result == ResultStatus::Success) {
overlay_ncch = &update_ncch;
}
Core::Telemetry().AddField(Telemetry::FieldType::Session, "ProgramId", program_id);
if (auto room_member = Network::GetRoomMember().lock()) {
Network::GameInfo game_info;
ReadTitle(game_info.name);
game_info.id = ncch_program_id;
room_member->SendGameInfo(game_info);
}
is_loaded = true; // Set state to loaded
result = LoadExec(process); // Load the executable into memory for booting
if (ResultStatus::Success != result)
return result;
Service::FS::RegisterSelfNCCH(*this);
ParseRegionLockoutInfo();
return ResultStatus::Success;
}
ResultStatus AppLoader_NCCH::ReadCode(std::vector<u8>& buffer) {
return overlay_ncch->LoadSectionExeFS(".code", buffer);
}
ResultStatus AppLoader_NCCH::ReadIcon(std::vector<u8>& buffer) {
return overlay_ncch->LoadSectionExeFS("icon", buffer);
}
ResultStatus AppLoader_NCCH::ReadBanner(std::vector<u8>& buffer) {
return overlay_ncch->LoadSectionExeFS("banner", buffer);
}
ResultStatus AppLoader_NCCH::ReadLogo(std::vector<u8>& buffer) {
return overlay_ncch->LoadSectionExeFS("logo", buffer);
}
ResultStatus AppLoader_NCCH::ReadProgramId(u64& out_program_id) {
ResultStatus result = base_ncch.ReadProgramId(out_program_id);
if (result != ResultStatus::Success)
return result;
return ResultStatus::Success;
}
ResultStatus AppLoader_NCCH::ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) {
return base_ncch.ReadRomFS(romfs_file, offset, size);
}
ResultStatus AppLoader_NCCH::ReadUpdateRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file,
u64& offset, u64& size) {
ResultStatus result = update_ncch.ReadRomFS(romfs_file, offset, size);
if (result != ResultStatus::Success)
return base_ncch.ReadRomFS(romfs_file, offset, size);
}
ResultStatus AppLoader_NCCH::ReadTitle(std::string& title) {
std::vector<u8> data;
Loader::SMDH smdh;
ReadIcon(data);
if (!Loader::IsValidSMDH(data)) {
return ResultStatus::ErrorInvalidFormat;
}
memcpy(&smdh, data.data(), sizeof(Loader::SMDH));
const auto& short_title = smdh.GetShortTitle(SMDH::TitleLanguage::English);
auto title_end = std::find(short_title.begin(), short_title.end(), u'\0');
title = Common::UTF16ToUTF8(std::u16string{short_title.begin(), title_end});
return ResultStatus::Success;
}
} // namespace Loader

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src/core/loader/ncch.h
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@ -1,80 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/ncch_container.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Loader namespace
namespace Loader {
/// Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
class AppLoader_NCCH final : public AppLoader {
public:
AppLoader_NCCH(FileUtil::IOFile&& file, const std::string& filepath)
: AppLoader(std::move(file)), filepath(filepath), base_ncch(filepath),
overlay_ncch(&base_ncch) {}
/**
* Returns the type of the file
* @param file FileUtil::IOFile open file
* @return FileType found, or FileType::Error if this loader doesn't know it
*/
static FileType IdentifyType(FileUtil::IOFile& file);
FileType GetFileType() override {
return IdentifyType(file);
}
ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
/**
* Loads the Exheader and returns the system mode for this application.
* @returns A pair with the optional system mode, and and the status.
*/
std::pair<boost::optional<u32>, ResultStatus> LoadKernelSystemMode() override;
ResultStatus ReadCode(std::vector<u8>& buffer) override;
ResultStatus ReadIcon(std::vector<u8>& buffer) override;
ResultStatus ReadBanner(std::vector<u8>& buffer) override;
ResultStatus ReadLogo(std::vector<u8>& buffer) override;
ResultStatus ReadProgramId(u64& out_program_id) override;
ResultStatus ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) override;
ResultStatus ReadUpdateRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) override;
ResultStatus ReadTitle(std::string& title) override;
private:
/**
* Loads .code section into memory for booting
* @param process The newly created process
* @return ResultStatus result of function
*/
ResultStatus LoadExec(Kernel::SharedPtr<Kernel::Process>& process);
/// Reads the region lockout info in the SMDH and send it to CFG service
void ParseRegionLockoutInfo();
FileSys::NCCHContainer base_ncch;
FileSys::NCCHContainer update_ncch;
FileSys::NCCHContainer* overlay_ncch;
std::string filepath;
};
} // namespace Loader