mirror of
https://github.com/wheremyfoodat/Panda3DS.git
synced 2025-04-09 07:35:41 +12:00
603 lines
No EOL
24 KiB
C++
603 lines
No EOL
24 KiB
C++
#include "services/fs.hpp"
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#include "kernel/kernel.hpp"
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#include "io_file.hpp"
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#include "ipc.hpp"
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#ifdef CreateFile // windows.h defines CreateFile & DeleteFile because of course it does.
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#undef CreateDirectory
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#undef CreateFile
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#undef DeleteFile
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#endif
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namespace FSCommands {
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enum : u32 {
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Initialize = 0x08010002,
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OpenFile = 0x080201C2,
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OpenFileDirectly = 0x08030204,
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DeleteFile = 0x08040142,
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CreateFile = 0x08080202,
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CreateDirectory = 0x08090182,
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OpenDirectory = 0x080B0102,
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OpenArchive = 0x080C00C2,
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ControlArchive = 0x080D0144,
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CloseArchive = 0x080E0080,
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FormatThisUserSaveData = 0x080F0180,
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GetFreeBytes = 0x08120080,
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IsSdmcDetected = 0x08170000,
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IsSdmcWritable = 0x08180000,
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GetFormatInfo = 0x084500C2,
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FormatSaveData = 0x084C0242,
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CreateExtSaveData = 0x08510242,
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DeleteExtSaveData = 0x08520100,
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InitializeWithSdkVersion = 0x08610042,
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SetPriority = 0x08620040,
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GetPriority = 0x08630000
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};
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}
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void FSService::reset() {
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priority = 0;
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}
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// Creates directories for NAND, ExtSaveData, etc if they don't already exist. Should be executed after loading a new ROM.
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void FSService::initializeFilesystem() {
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const auto sdmcPath = IOFile::getAppData() / "SDMC"; // Create SDMC directory
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const auto nandSharedpath = IOFile::getAppData() / ".." / "SharedFiles" / "NAND";
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const auto savePath = IOFile::getAppData() / "SaveData"; // Create SaveData
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const auto formatPath = IOFile::getAppData() / "FormatInfo"; // Create folder for storing archive formatting info
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namespace fs = std::filesystem;
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if (!fs::is_directory(nandSharedpath)) {
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fs::create_directories(nandSharedpath);
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}
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if (!fs::is_directory(sdmcPath)) {
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fs::create_directories(sdmcPath);
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}
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if (!fs::is_directory(savePath)) {
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fs::create_directories(savePath);
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}
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if (!fs::is_directory(formatPath)) {
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fs::create_directories(formatPath);
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}
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}
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ArchiveBase* FSService::getArchiveFromID(u32 id, const FSPath& archivePath) {
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switch (id) {
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case ArchiveID::SelfNCCH: return &selfNcch;
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case ArchiveID::SaveData: return &saveData;
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case ArchiveID::ExtSaveData:
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return &extSaveData_sdmc;
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case ArchiveID::SharedExtSaveData:
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return &sharedExtSaveData_nand;
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case ArchiveID::SDMC: return &sdmc;
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case ArchiveID::SavedataAndNcch: return &ncch; // This can only access NCCH outside of FSPXI
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default:
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Helpers::panic("Unknown archive. ID: %d\n", id);
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return nullptr;
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}
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}
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std::optional<Handle> FSService::openFileHandle(ArchiveBase* archive, const FSPath& path, const FSPath& archivePath, const FilePerms& perms) {
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FileDescriptor opened = archive->openFile(path, perms);
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if (opened.has_value()) { // If opened doesn't have a value, we failed to open the file
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auto handle = kernel.makeObject(KernelObjectType::File);
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auto& file = kernel.getObjects()[handle];
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file.data = new FileSession(archive, path, archivePath, opened.value());
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return handle;
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} else {
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return std::nullopt;
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}
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}
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Rust::Result<Handle, Result::HorizonResult> FSService::openDirectoryHandle(ArchiveBase* archive, const FSPath& path) {
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Rust::Result<DirectorySession, Result::HorizonResult> opened = archive->openDirectory(path);
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if (opened.isOk()) { // If opened doesn't have a value, we failed to open the directory
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auto handle = kernel.makeObject(KernelObjectType::Directory);
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auto& object = kernel.getObjects()[handle];
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object.data = new DirectorySession(opened.unwrap());
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return Ok(handle);
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} else {
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return Err(opened.unwrapErr());
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}
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}
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Rust::Result<Handle, Result::HorizonResult> FSService::openArchiveHandle(u32 archiveID, const FSPath& path) {
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ArchiveBase* archive = getArchiveFromID(archiveID, path);
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if (archive == nullptr) [[unlikely]] {
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Helpers::panic("OpenArchive: Tried to open unknown archive %d.", archiveID);
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return Err(Result::FS::NotFormatted);
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}
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Rust::Result<ArchiveBase*, Result::HorizonResult> res = archive->openArchive(path);
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if (res.isOk()) {
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auto handle = kernel.makeObject(KernelObjectType::Archive);
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auto& archiveObject = kernel.getObjects()[handle];
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archiveObject.data = new ArchiveSession(res.unwrap(), path);
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return Ok(handle);
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}
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else {
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return Err(res.unwrapErr());
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}
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}
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FSPath FSService::readPath(u32 type, u32 pointer, u32 size) {
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std::vector<u8> data;
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data.resize(size);
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for (u32 i = 0; i < size; i++)
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data[i] = mem.read8(pointer + i);
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return FSPath(type, data);
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}
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void FSService::handleSyncRequest(u32 messagePointer) {
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const u32 command = mem.read32(messagePointer);
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switch (command) {
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case FSCommands::CreateDirectory: createDirectory(messagePointer); break;
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case FSCommands::CreateExtSaveData: createExtSaveData(messagePointer); break;
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case FSCommands::CreateFile: createFile(messagePointer); break;
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case FSCommands::ControlArchive: controlArchive(messagePointer); break;
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case FSCommands::CloseArchive: closeArchive(messagePointer); break;
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case FSCommands::DeleteExtSaveData: deleteExtSaveData(messagePointer); break;
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case FSCommands::DeleteFile: deleteFile(messagePointer); break;
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case FSCommands::FormatSaveData: formatSaveData(messagePointer); break;
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case FSCommands::FormatThisUserSaveData: formatThisUserSaveData(messagePointer); break;
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case FSCommands::GetFreeBytes: getFreeBytes(messagePointer); break;
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case FSCommands::GetFormatInfo: getFormatInfo(messagePointer); break;
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case FSCommands::GetPriority: getPriority(messagePointer); break;
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case FSCommands::Initialize: initialize(messagePointer); break;
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case FSCommands::InitializeWithSdkVersion: initializeWithSdkVersion(messagePointer); break;
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case FSCommands::IsSdmcDetected: isSdmcDetected(messagePointer); break;
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case FSCommands::IsSdmcWritable: isSdmcWritable(messagePointer); break;
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case FSCommands::OpenArchive: openArchive(messagePointer); break;
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case FSCommands::OpenDirectory: openDirectory(messagePointer); break;
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case FSCommands::OpenFile: [[likely]] openFile(messagePointer); break;
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case FSCommands::OpenFileDirectly: [[likely]] openFileDirectly(messagePointer); break;
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case FSCommands::SetPriority: setPriority(messagePointer); break;
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default: Helpers::panic("FS service requested. Command: %08X\n", command);
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}
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}
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void FSService::initialize(u32 messagePointer) {
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log("FS::Initialize\n");
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mem.write32(messagePointer, IPC::responseHeader(0x801, 1, 0));
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mem.write32(messagePointer + 4, Result::Success);
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}
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// TODO: Figure out how this is different from Initialize
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void FSService::initializeWithSdkVersion(u32 messagePointer) {
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const auto version = mem.read32(messagePointer + 4);
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log("FS::InitializeWithSDKVersion(version = %d)\n", version);
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mem.write32(messagePointer, IPC::responseHeader(0x861, 1, 0));
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mem.write32(messagePointer + 4, Result::Success);
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}
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void FSService::closeArchive(u32 messagePointer) {
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const Handle handle = static_cast<u32>(mem.read64(messagePointer + 4)); // TODO: archive handles should be 64-bit
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const auto object = kernel.getObject(handle, KernelObjectType::Archive);
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log("FSService::CloseArchive(handle = %X)\n", handle);
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mem.write32(messagePointer, IPC::responseHeader(0x80E, 1, 0));
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if (object == nullptr) {
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log("FSService::CloseArchive: Tried to close invalid archive %X\n", handle);
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mem.write32(messagePointer + 4, Result::FailurePlaceholder);
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} else {
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object->getData<ArchiveSession>()->isOpen = false;
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mem.write32(messagePointer + 4, Result::Success);
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}
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}
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void FSService::openArchive(u32 messagePointer) {
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const u32 archiveID = mem.read32(messagePointer + 4);
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const u32 archivePathType = mem.read32(messagePointer + 8);
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const u32 archivePathSize = mem.read32(messagePointer + 12);
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const u32 archivePathPointer = mem.read32(messagePointer + 20);
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auto archivePath = readPath(archivePathType, archivePathPointer, archivePathSize);
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log("FS::OpenArchive(archive ID = %d, archive path type = %d)\n", archiveID, archivePathType);
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Rust::Result<Handle, Result::HorizonResult> res = openArchiveHandle(archiveID, archivePath);
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mem.write32(messagePointer, IPC::responseHeader(0x80C, 3, 0));
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if (res.isOk()) {
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mem.write32(messagePointer + 4, Result::Success);
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mem.write64(messagePointer + 8, res.unwrap());
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} else {
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log("FS::OpenArchive: Failed to open archive with id = %d. Error %08X\n", archiveID, (u32)res.unwrapErr());
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mem.write32(messagePointer + 4, res.unwrapErr());
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mem.write64(messagePointer + 8, 0);
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}
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}
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void FSService::openFile(u32 messagePointer) {
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const Handle archiveHandle = Handle(mem.read64(messagePointer + 8));
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const u32 filePathType = mem.read32(messagePointer + 16);
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const u32 filePathSize = mem.read32(messagePointer + 20);
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const u32 openFlags = mem.read32(messagePointer + 24);
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const u32 attributes = mem.read32(messagePointer + 28);
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const u32 filePathPointer = mem.read32(messagePointer + 36);
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log("FS::OpenFile\n");
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auto archiveObject = kernel.getObject(archiveHandle, KernelObjectType::Archive);
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if (archiveObject == nullptr) [[unlikely]] {
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log("FS::OpenFile: Invalid archive handle %d\n", archiveHandle);
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mem.write32(messagePointer + 4, Result::FailurePlaceholder);
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return;
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}
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ArchiveBase* archive = archiveObject->getData<ArchiveSession>()->archive;
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const FSPath& archivePath = archiveObject->getData<ArchiveSession>()->path;
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auto filePath = readPath(filePathType, filePathPointer, filePathSize);
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const FilePerms perms(openFlags);
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std::optional<Handle> handle = openFileHandle(archive, filePath, archivePath, perms);
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mem.write32(messagePointer, IPC::responseHeader(0x802, 1, 2));
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if (!handle.has_value()) {
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printf("OpenFile failed\n");
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mem.write32(messagePointer + 4, Result::FS::FileNotFound);
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} else {
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mem.write32(messagePointer + 4, Result::Success);
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mem.write32(messagePointer + 8, 0x10); // "Move handle descriptor"
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mem.write32(messagePointer + 12, handle.value());
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}
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}
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void FSService::createDirectory(u32 messagePointer) {
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log("FS::CreateDirectory\n");
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const Handle archiveHandle = (Handle)mem.read64(messagePointer + 8);
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const u32 pathType = mem.read32(messagePointer + 16);
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const u32 pathSize = mem.read32(messagePointer + 20);
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const u32 pathPointer = mem.read32(messagePointer + 32);
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KernelObject* archiveObject = kernel.getObject(archiveHandle, KernelObjectType::Archive);
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if (archiveObject == nullptr) [[unlikely]] {
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log("FS::CreateDirectory: Invalid archive handle %d\n", archiveHandle);
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mem.write32(messagePointer + 4, Result::FailurePlaceholder);
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return;
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}
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ArchiveBase* archive = archiveObject->getData<ArchiveSession>()->archive;
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const auto dirPath = readPath(pathType, pathPointer, pathSize);
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const Result::HorizonResult res = archive->createDirectory(dirPath);
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mem.write32(messagePointer, IPC::responseHeader(0x809, 1, 0));
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mem.write32(messagePointer + 4, static_cast<u32>(res));
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}
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void FSService::openDirectory(u32 messagePointer) {
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log("FS::OpenDirectory\n");
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const Handle archiveHandle = (Handle)mem.read64(messagePointer + 4);
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const u32 pathType = mem.read32(messagePointer + 12);
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const u32 pathSize = mem.read32(messagePointer + 16);
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const u32 pathPointer = mem.read32(messagePointer + 24);
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KernelObject* archiveObject = kernel.getObject(archiveHandle, KernelObjectType::Archive);
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if (archiveObject == nullptr) [[unlikely]] {
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log("FS::OpenDirectory: Invalid archive handle %d\n", archiveHandle);
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mem.write32(messagePointer + 4, Result::FailurePlaceholder);
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return;
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}
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ArchiveBase* archive = archiveObject->getData<ArchiveSession>()->archive;
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const auto dirPath = readPath(pathType, pathPointer, pathSize);
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auto dir = openDirectoryHandle(archive, dirPath);
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mem.write32(messagePointer, IPC::responseHeader(0x80B, 1, 2));
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if (dir.isOk()) {
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mem.write32(messagePointer + 4, Result::Success);
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mem.write32(messagePointer + 12, dir.unwrap());
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} else {
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printf("FS::OpenDirectory failed\n");
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mem.write32(messagePointer + 4, static_cast<u32>(dir.unwrapErr()));
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}
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}
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void FSService::openFileDirectly(u32 messagePointer) {
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const u32 archiveID = mem.read32(messagePointer + 8);
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const u32 archivePathType = mem.read32(messagePointer + 12);
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const u32 archivePathSize = mem.read32(messagePointer + 16);
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const u32 filePathType = mem.read32(messagePointer + 20);
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const u32 filePathSize = mem.read32(messagePointer + 24);
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const u32 openFlags = mem.read32(messagePointer + 28);
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const u32 attributes = mem.read32(messagePointer + 32);
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const u32 archivePathPointer = mem.read32(messagePointer + 40);
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const u32 filePathPointer = mem.read32(messagePointer + 48);
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log("FS::OpenFileDirectly\n");
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auto archivePath = readPath(archivePathType, archivePathPointer, archivePathSize);
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ArchiveBase* archive = getArchiveFromID(archiveID, archivePath);
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if (archive == nullptr) [[unlikely]] {
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Helpers::panic("OpenFileDirectly: Tried to open unknown archive %d.", archiveID);
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}
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auto filePath = readPath(filePathType, filePathPointer, filePathSize);
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const FilePerms perms(openFlags);
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Rust::Result<ArchiveBase*, Result::HorizonResult> res = archive->openArchive(archivePath);
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if (res.isErr()) [[unlikely]] {
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Helpers::panic("OpenFileDirectly: Failed to open archive with given path");
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}
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archive = res.unwrap();
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std::optional<Handle> handle = openFileHandle(archive, filePath, archivePath, perms);
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mem.write32(messagePointer, IPC::responseHeader(0x803, 1, 2));
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if (!handle.has_value()) {
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Helpers::panic("OpenFileDirectly: Failed to open file with given path");
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} else {
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mem.write32(messagePointer + 4, Result::Success);
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mem.write32(messagePointer + 12, handle.value());
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}
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}
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void FSService::createFile(u32 messagePointer) {
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const Handle archiveHandle = Handle(mem.read64(messagePointer + 8));
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const u32 filePathType = mem.read32(messagePointer + 16);
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const u32 filePathSize = mem.read32(messagePointer + 20);
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const u32 attributes = mem.read32(messagePointer + 24);
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const u64 size = mem.read64(messagePointer + 28);
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const u32 filePathPointer = mem.read32(messagePointer + 40);
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log("FS::CreateFile\n");
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auto archiveObject = kernel.getObject(archiveHandle, KernelObjectType::Archive);
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if (archiveObject == nullptr) [[unlikely]] {
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log("FS::OpenFile: Invalid archive handle %d\n", archiveHandle);
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mem.write32(messagePointer + 4, Result::FailurePlaceholder);
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return;
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}
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ArchiveBase* archive = archiveObject->getData<ArchiveSession>()->archive;
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auto filePath = readPath(filePathType, filePathPointer, filePathSize);
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Result::HorizonResult res = archive->createFile(filePath, size);
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mem.write32(messagePointer, IPC::responseHeader(0x808, 1, 0));
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mem.write32(messagePointer + 4, res);
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}
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void FSService::deleteFile(u32 messagePointer) {
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const Handle archiveHandle = Handle(mem.read64(messagePointer + 8));
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const u32 filePathType = mem.read32(messagePointer + 16);
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const u32 filePathSize = mem.read32(messagePointer + 20);
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const u32 filePathPointer = mem.read32(messagePointer + 28);
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log("FS::DeleteFile\n");
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auto archiveObject = kernel.getObject(archiveHandle, KernelObjectType::Archive);
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if (archiveObject == nullptr) [[unlikely]] {
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log("FS::DeleteFile: Invalid archive handle %d\n", archiveHandle);
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mem.write32(messagePointer + 4, Result::FailurePlaceholder);
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return;
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}
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ArchiveBase* archive = archiveObject->getData<ArchiveSession>()->archive;
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auto filePath = readPath(filePathType, filePathPointer, filePathSize);
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Result::HorizonResult res = archive->deleteFile(filePath);
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mem.write32(messagePointer, IPC::responseHeader(0x804, 1, 0));
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mem.write32(messagePointer + 4, static_cast<u32>(res));
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}
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void FSService::getFormatInfo(u32 messagePointer) {
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const u32 archiveID = mem.read32(messagePointer + 4);
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const u32 pathType = mem.read32(messagePointer + 8);
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const u32 pathSize = mem.read32(messagePointer + 12);
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const u32 pathPointer = mem.read32(messagePointer + 20);
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const auto path = readPath(pathType, pathPointer, pathSize);
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log("FS::GetFormatInfo(archive ID = %d, archive path type = %d)\n", archiveID, pathType);
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ArchiveBase* archive = getArchiveFromID(archiveID, path);
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if (archive == nullptr) [[unlikely]] {
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Helpers::panic("OpenArchive: Tried to open unknown archive %d.", archiveID);
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}
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mem.write32(messagePointer, IPC::responseHeader(0x845, 5, 0));
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Rust::Result<ArchiveBase::FormatInfo, Result::HorizonResult> res = archive->getFormatInfo(path);
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// If the FormatInfo was returned, write them to the output buffer. Otherwise, write an error code.
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if (res.isOk()) {
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ArchiveBase::FormatInfo info = res.unwrap();
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mem.write32(messagePointer + 4, Result::Success);
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mem.write32(messagePointer + 8, info.size);
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mem.write32(messagePointer + 12, info.numOfDirectories);
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mem.write32(messagePointer + 16, info.numOfFiles);
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mem.write8(messagePointer + 20, info.duplicateData ? 1 : 0);
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} else {
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mem.write32(messagePointer + 4, static_cast<u32>(res.unwrapErr()));
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}
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}
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void FSService::formatSaveData(u32 messagePointer) {
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log("FS::FormatSaveData\n");
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const u32 archiveID = mem.read32(messagePointer + 4);
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if (archiveID != ArchiveID::SaveData)
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Helpers::panic("FS::FormatSaveData: Archive is not SaveData");
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// Read path and path info
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const u32 pathType = mem.read32(messagePointer + 8);
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const u32 pathSize = mem.read32(messagePointer + 12);
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const u32 pathPointer = mem.read32(messagePointer + 44);
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auto path = readPath(pathType, pathPointer, pathSize);
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// Size of a block. Seems to always be 0x200
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const u32 blockSize = mem.read32(messagePointer + 16);
|
|
|
|
if (blockSize != 0x200 && blockSize != 0x1000)
|
|
Helpers::panic("FS::FormatSaveData: Invalid SaveData block size");
|
|
|
|
const u32 directoryNum = mem.read32(messagePointer + 20); // Max number of directories
|
|
const u32 fileNum = mem.read32(messagePointer + 24); // Max number of files
|
|
const u32 directoryBucketNum = mem.read32(messagePointer + 28); // Not sure what a directory bucket is...?
|
|
const u32 fileBucketNum = mem.read32(messagePointer + 32); // Same here
|
|
const bool duplicateData = mem.read8(messagePointer + 36) != 0;
|
|
|
|
ArchiveBase::FormatInfo info {
|
|
.size = blockSize * 0x200,
|
|
.numOfDirectories = directoryNum,
|
|
.numOfFiles = fileNum,
|
|
.duplicateData = duplicateData
|
|
};
|
|
|
|
saveData.format(path, info);
|
|
|
|
mem.write32(messagePointer, IPC::responseHeader(0x84C, 1, 0));
|
|
mem.write32(messagePointer + 4, Result::Success);
|
|
}
|
|
|
|
void FSService::deleteExtSaveData(u32 messagePointer) {
|
|
Helpers::warn("Stubbed call to FS::DeleteExtSaveData!");
|
|
// First 4 words of parameters are the ExtSaveData info
|
|
// https://www.3dbrew.org/wiki/Filesystem_services#ExtSaveDataInfo
|
|
const u8 mediaType = mem.read8(messagePointer + 4);
|
|
const u64 saveID = mem.read64(messagePointer + 8);
|
|
log("FS::DeleteExtSaveData (media type = %d, saveID = %llx) (stubbed)\n", mediaType, saveID);
|
|
|
|
mem.write32(messagePointer, IPC::responseHeader(0x0852, 1, 0));
|
|
// TODO: We can't properly implement this yet until we properly support title/save IDs. We will stub this and insert a warning for now. Required for Planet Robobot
|
|
// When we properly implement it, it will just be a recursive directory deletion
|
|
mem.write32(messagePointer + 4, Result::Success);
|
|
}
|
|
|
|
void FSService::createExtSaveData(u32 messagePointer) {
|
|
Helpers::warn("Stubbed call to FS::CreateExtSaveData!");
|
|
// First 4 words of parameters are the ExtSaveData info
|
|
// https://www.3dbrew.org/wiki/Filesystem_services#ExtSaveDataInfo
|
|
// This creates the ExtSaveData with the specified saveid in the specified media type. It stores the SMDH as "icon" in the root of the created directory.
|
|
const u8 mediaType = mem.read8(messagePointer + 4);
|
|
const u64 saveID = mem.read64(messagePointer + 8);
|
|
const u32 numOfDirectories = mem.read32(messagePointer + 20);
|
|
const u32 numOfFiles = mem.read32(messagePointer + 24);
|
|
const u64 sizeLimit = mem.read64(messagePointer + 28);
|
|
const u32 smdhSize = mem.read32(messagePointer + 36);
|
|
const u32 smdhPointer = mem.read32(messagePointer + 44);
|
|
|
|
log("FS::CreateExtSaveData (stubbed)\n");
|
|
|
|
mem.write32(messagePointer, IPC::responseHeader(0x0851, 1, 0));
|
|
// TODO: Similar to DeleteExtSaveData, we need to refactor how our ExtSaveData stuff works before properly implementing this
|
|
mem.write32(messagePointer + 4, Result::Success);
|
|
}
|
|
|
|
void FSService::formatThisUserSaveData(u32 messagePointer) {
|
|
log("FS::FormatThisUserSaveData\n");
|
|
|
|
const u32 blockSize = mem.read32(messagePointer + 4);
|
|
const u32 directoryNum = mem.read32(messagePointer + 8); // Max number of directories
|
|
const u32 fileNum = mem.read32(messagePointer + 12); // Max number of files
|
|
const u32 directoryBucketNum = mem.read32(messagePointer + 16); // Not sure what a directory bucket is...?
|
|
const u32 fileBucketNum = mem.read32(messagePointer + 20); // Same here
|
|
const bool duplicateData = mem.read8(messagePointer + 24) != 0;
|
|
|
|
ArchiveBase::FormatInfo info {
|
|
.size = blockSize * 0x200,
|
|
.numOfDirectories = directoryNum,
|
|
.numOfFiles = fileNum,
|
|
.duplicateData = duplicateData
|
|
};
|
|
FSPath emptyPath;
|
|
|
|
mem.write32(messagePointer, IPC::responseHeader(0x080F, 1, 0));
|
|
saveData.format(emptyPath, info);
|
|
}
|
|
|
|
void FSService::controlArchive(u32 messagePointer) {
|
|
const Handle archiveHandle = Handle(mem.read64(messagePointer + 4));
|
|
const u32 action = mem.read32(messagePointer + 12);
|
|
const u32 inputSize = mem.read32(messagePointer + 16);
|
|
const u32 outputSize = mem.read32(messagePointer + 20);
|
|
const u32 input = mem.read32(messagePointer + 28);
|
|
const u32 output = mem.read32(messagePointer + 36);
|
|
|
|
log("FS::ControlArchive (action = %X, handle = %X)\n", action, archiveHandle);
|
|
|
|
auto archiveObject = kernel.getObject(archiveHandle, KernelObjectType::Archive);
|
|
mem.write32(messagePointer, IPC::responseHeader(0x80D, 1, 0));
|
|
if (archiveObject == nullptr) [[unlikely]] {
|
|
log("FS::ControlArchive: Invalid archive handle %d\n", archiveHandle);
|
|
mem.write32(messagePointer + 4, Result::FailurePlaceholder);
|
|
return;
|
|
}
|
|
|
|
switch (action) {
|
|
case 0: // Commit save data changes. Shouldn't need us to do anything
|
|
mem.write32(messagePointer + 4, Result::Success);
|
|
break;
|
|
|
|
case 1: // Retrieves a file's last-modified timestamp. Seen in DDLC, stubbed for the moment
|
|
Helpers::warn("FS::ControlArchive: Tried to retrieve a file's last-modified timestamp");
|
|
mem.write32(messagePointer + 4, Result::Success);
|
|
break;
|
|
|
|
default:
|
|
Helpers::panic("Unimplemented action for ControlArchive (action = %X)\n", action);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void FSService::getFreeBytes(u32 messagePointer) {
|
|
log("FS::GetFreeBytes\n");
|
|
const Handle archiveHandle = (Handle)mem.read64(messagePointer + 4);
|
|
auto session = kernel.getObject(archiveHandle, KernelObjectType::Archive);
|
|
|
|
mem.write32(messagePointer, IPC::responseHeader(0x812, 3, 0));
|
|
if (session == nullptr) [[unlikely]] {
|
|
log("FS::GetFreeBytes: Invalid archive handle %d\n", archiveHandle);
|
|
mem.write32(messagePointer + 4, Result::FailurePlaceholder);
|
|
return;
|
|
}
|
|
|
|
const u64 bytes = session->getData<ArchiveSession>()->archive->getFreeBytes();
|
|
mem.write64(messagePointer + 8, bytes);
|
|
}
|
|
|
|
void FSService::getPriority(u32 messagePointer) {
|
|
log("FS::GetPriority\n");
|
|
|
|
mem.write32(messagePointer, IPC::responseHeader(0x863, 2, 0));
|
|
mem.write32(messagePointer + 4, Result::Success);
|
|
mem.write32(messagePointer + 8, priority);
|
|
}
|
|
|
|
void FSService::setPriority(u32 messagePointer) {
|
|
const u32 value = mem.read32(messagePointer + 4);
|
|
log("FS::SetPriority (priority = %d)\n", value);
|
|
|
|
mem.write32(messagePointer, IPC::responseHeader(0x862, 1, 0));
|
|
mem.write32(messagePointer + 4, Result::Success);
|
|
priority = value;
|
|
}
|
|
|
|
|
|
// Shows whether an SD card is inserted. At the moment stubbed to no
|
|
constexpr bool sdInserted = false;
|
|
|
|
void FSService::isSdmcDetected(u32 messagePointer) {
|
|
log("FS::IsSdmcDetected\n");
|
|
mem.write32(messagePointer, IPC::responseHeader(0x817, 2, 0));
|
|
mem.write32(messagePointer + 4, Result::Success);
|
|
mem.write8(messagePointer + 8, sdInserted ? 1 : 0);
|
|
}
|
|
|
|
// We consider our SD card to always be writable if oen is inserted for now
|
|
// So isSdmcWritable returns 1 if an SD card is inserted (because it's always writable) and 0 if not.
|
|
void FSService::isSdmcWritable(u32 messagePointer) {
|
|
log("FS::isSdmcWritable\n");
|
|
mem.write32(messagePointer, IPC::responseHeader(0x818, 2, 0));
|
|
mem.write32(messagePointer + 4, Result::Success);
|
|
mem.write8(messagePointer + 8, sdInserted ? 1 : 0);
|
|
} |