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General Filesystem and Save Data Fixes (#670)

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This commit is contained in:
Zach Hilman 2018-07-17 15:42:15 -04:00 • committed by bunnei
parent 88a3140c9b
commit 69bfe075b5
16 changed files with 260 additions and 216 deletions
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19
src/core/hle/service/am/am.cpp
View file

@ -4,9 +4,11 @@
#include <cinttypes>
#include <stack>
#include "core/core.h"
#include "core/file_sys/filesystem.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/am/am.h"
#include "core/hle/service/am/applet_ae.h"
#include "core/hle/service/am/applet_oe.h"
@ -614,25 +616,14 @@ void IApplicationFunctions::CreateApplicationAndRequestToStartForQuest(
void IApplicationFunctions::EnsureSaveData(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u128 uid = rp.PopRaw<u128>();
u128 uid = rp.PopRaw<u128>(); // What does this do?
LOG_WARNING(Service, "(STUBBED) called uid = {:016X}{:016X}", uid[1], uid[0]);
IPC::ResponseBuilder rb{ctx, 4};
FileSys::Path unused;
auto savedata = FileSystem::OpenFileSystem(FileSystem::Type::SaveData, unused);
if (savedata.Failed()) {
// Create the save data and return an error indicating that the operation was performed.
FileSystem::FormatFileSystem(FileSystem::Type::SaveData);
// TODO(Subv): Find out the correct error code for this.
rb.Push(ResultCode(ErrorModule::FS, 40));
} else {
rb.Push(RESULT_SUCCESS);
}
rb.Push(RESULT_SUCCESS);
rb.Push<u64>(0);
}
} // namespace Service::AM
void IApplicationFunctions::SetTerminateResult(Kernel::HLERequestContext& ctx) {
// Takes an input u32 Result, no output.

85
src/core/hle/service/filesystem/filesystem.cpp
View file

@ -4,6 +4,7 @@
#include <boost/container/flat_map.hpp>
#include "common/file_util.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/filesystem.h"
#include "core/file_sys/savedata_factory.h"
#include "core/file_sys/sdmc_factory.h"
@ -16,57 +17,77 @@ namespace Service::FileSystem {
* Map of registered file systems, identified by type. Once an file system is registered here, it
* is never removed until UnregisterFileSystems is called.
*/
static boost::container::flat_map<Type, std::unique_ptr<FileSys::FileSystemFactory>> filesystem_map;
static std::unique_ptr<FileSys::RomFSFactory> romfs_factory;
static std::unique_ptr<FileSys::SaveDataFactory> save_data_factory;
static std::unique_ptr<FileSys::SDMCFactory> sdmc_factory;
ResultCode RegisterFileSystem(std::unique_ptr<FileSys::FileSystemFactory>&& factory, Type type) {
auto result = filesystem_map.emplace(type, std::move(factory));
bool inserted = result.second;
ASSERT_MSG(inserted, "Tried to register more than one system with same id code");
auto& filesystem = result.first->second;
LOG_DEBUG(Service_FS, "Registered file system {} with id code 0x{:08X}", filesystem->GetName(),
static_cast<u32>(type));
ResultCode RegisterRomFS(std::unique_ptr<FileSys::RomFSFactory>&& factory) {
ASSERT_MSG(romfs_factory == nullptr, "Tried to register a second RomFS");
romfs_factory = std::move(factory);
LOG_DEBUG(Service_FS, "Registered RomFS");
return RESULT_SUCCESS;
}
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
FileSys::Path& path) {
LOG_TRACE(Service_FS, "Opening FileSystem with type={}", static_cast<u32>(type));
auto itr = filesystem_map.find(type);
if (itr == filesystem_map.end()) {
// TODO(bunnei): Find a better error code for this
return ResultCode(-1);
}
return itr->second->Open(path);
ResultCode RegisterSaveData(std::unique_ptr<FileSys::SaveDataFactory>&& factory) {
ASSERT_MSG(romfs_factory == nullptr, "Tried to register a second save data");
save_data_factory = std::move(factory);
LOG_DEBUG(Service_FS, "Registered save data");
return RESULT_SUCCESS;
}
ResultCode FormatFileSystem(Type type) {
LOG_TRACE(Service_FS, "Formatting FileSystem with type={}", static_cast<u32>(type));
ResultCode RegisterSDMC(std::unique_ptr<FileSys::SDMCFactory>&& factory) {
ASSERT_MSG(sdmc_factory == nullptr, "Tried to register a second SDMC");
sdmc_factory = std::move(factory);
LOG_DEBUG(Service_FS, "Registered SDMC");
return RESULT_SUCCESS;
}
auto itr = filesystem_map.find(type);
if (itr == filesystem_map.end()) {
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenRomFS(u64 title_id) {
LOG_TRACE(Service_FS, "Opening RomFS for title_id={:016X}", title_id);
if (romfs_factory == nullptr) {
// TODO(bunnei): Find a better error code for this
return ResultCode(-1);
}
FileSys::Path unused;
return itr->second->Format(unused);
return romfs_factory->Open(title_id);
}
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenSaveData(
FileSys::SaveDataSpaceId space, FileSys::SaveDataDescriptor save_struct) {
LOG_TRACE(Service_FS, "Opening Save Data for space_id={:01X}, save_struct={}",
static_cast<u8>(space), SaveStructDebugInfo(save_struct));
if (save_data_factory == nullptr) {
return ResultCode(ErrorModule::FS, FileSys::ErrCodes::SaveDataNotFound);
}
return save_data_factory->Open(space, save_struct);
}
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenSDMC() {
LOG_TRACE(Service_FS, "Opening SDMC");
if (sdmc_factory == nullptr) {
return ResultCode(ErrorModule::FS, FileSys::ErrCodes::SdCardNotFound);
}
return sdmc_factory->Open();
}
void RegisterFileSystems() {
filesystem_map.clear();
romfs_factory = nullptr;
save_data_factory = nullptr;
sdmc_factory = nullptr;
std::string nand_directory = FileUtil::GetUserPath(D_NAND_IDX);
std::string sd_directory = FileUtil::GetUserPath(D_SDMC_IDX);
auto savedata = std::make_unique<FileSys::SaveData_Factory>(std::move(nand_directory));
RegisterFileSystem(std::move(savedata), Type::SaveData);
auto savedata = std::make_unique<FileSys::SaveDataFactory>(std::move(nand_directory));
save_data_factory = std::move(savedata);
auto sdcard = std::make_unique<FileSys::SDMC_Factory>(std::move(sd_directory));
RegisterFileSystem(std::move(sdcard), Type::SDMC);
auto sdcard = std::make_unique<FileSys::SDMCFactory>(std::move(sd_directory));
sdmc_factory = std::move(sdcard);
}
void InstallInterfaces(SM::ServiceManager& service_manager) {

42
src/core/hle/service/filesystem/filesystem.h
View file

@ -6,12 +6,13 @@
#include <memory>
#include "common/common_types.h"
#include "core/file_sys/romfs_factory.h"
#include "core/file_sys/savedata_factory.h"
#include "core/file_sys/sdmc_factory.h"
#include "core/hle/result.h"
namespace FileSys {
class FileSystemBackend;
class FileSystemFactory;
class Path;
} // namespace FileSys
namespace Service {
@ -22,35 +23,20 @@ class ServiceManager;
namespace FileSystem {
/// Supported FileSystem types
enum class Type {
RomFS = 1,
SaveData = 2,
SDMC = 3,
};
ResultCode RegisterRomFS(std::unique_ptr<FileSys::RomFSFactory>&& factory);
ResultCode RegisterSaveData(std::unique_ptr<FileSys::SaveDataFactory>&& factory);
ResultCode RegisterSDMC(std::unique_ptr<FileSys::SDMCFactory>&& factory);
/**
* Registers a FileSystem, instances of which can later be opened using its IdCode.
* @param factory FileSystem backend interface to use
* @param type Type used to access this type of FileSystem
*/
ResultCode RegisterFileSystem(std::unique_ptr<FileSys::FileSystemFactory>&& factory, Type type);
// TODO(DarkLordZach): BIS Filesystem
// ResultCode RegisterBIS(std::unique_ptr<FileSys::BISFactory>&& factory);
/**
* Opens a file system
* @param type Type of the file system to open
* @param path Path to the file system, used with Binary paths
* @return FileSys::FileSystemBackend interface to the file system
*/
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
FileSys::Path& path);
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenRomFS(u64 title_id);
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenSaveData(
FileSys::SaveDataSpaceId space, FileSys::SaveDataDescriptor save_struct);
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenSDMC();
/**
* Formats a file system
* @param type Type of the file system to format
* @return ResultCode of the operation
*/
ResultCode FormatFileSystem(Type type);
// TODO(DarkLordZach): BIS Filesystem
// ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenBIS();
/// Registers all Filesystem services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager);

85
src/core/hle/service/filesystem/fsp_srv.cpp
View file

@ -13,11 +13,21 @@
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/filesystem/fsp_srv.h"
namespace Service::FileSystem {
enum class StorageId : u8 {
None = 0,
Host = 1,
GameCard = 2,
NandSystem = 3,
NandUser = 4,
SdCard = 5
};
class IStorage final : public ServiceFramework<IStorage> {
public:
IStorage(std::unique_ptr<FileSys::StorageBackend>&& backend)
@ -487,17 +497,6 @@ FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
RegisterHandlers(functions);
}
void FSP_SRV::TryLoadRomFS() {
if (romfs) {
return;
}
FileSys::Path unused;
auto res = OpenFileSystem(Type::RomFS, unused);
if (res.Succeeded()) {
romfs = std::move(res.Unwrap());
}
}
void FSP_SRV::Initialize(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_FS, "(STUBBED) called");
@ -508,8 +507,7 @@ void FSP_SRV::Initialize(Kernel::HLERequestContext& ctx) {
void FSP_SRV::MountSdCard(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
FileSys::Path unused;
auto filesystem = OpenFileSystem(Type::SDMC, unused).Unwrap();
IFileSystem filesystem(OpenSDMC().Unwrap());
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
@ -519,23 +517,26 @@ void FSP_SRV::MountSdCard(Kernel::HLERequestContext& ctx) {
void FSP_SRV::CreateSaveData(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
auto save_struct = rp.PopRaw<std::array<u8, 0x40>>();
auto save_struct = rp.PopRaw<FileSys::SaveDataDescriptor>();
auto save_create_struct = rp.PopRaw<std::array<u8, 0x40>>();
u128 uid = rp.PopRaw<u128>();
LOG_WARNING(Service_FS, "(STUBBED) called uid = {:016X}{:016X}", uid[1], uid[0]);
LOG_WARNING(Service_FS, "(STUBBED) called save_struct = {}, uid = {:016X}{:016X}",
save_struct.DebugInfo(), uid[1], uid[0]);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void FSP_SRV::MountSaveData(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_FS, "(STUBBED) called");
IPC::RequestParser rp{ctx};
// TODO(Subv): Read the input parameters and mount the requested savedata instead of always
// mounting the current process' savedata.
FileSys::Path unused;
auto filesystem = OpenFileSystem(Type::SaveData, unused);
auto space_id = rp.PopRaw<FileSys::SaveDataSpaceId>();
auto unk = rp.Pop<u32>();
LOG_INFO(Service_FS, "called with unknown={:08X}", unk);
auto save_struct = rp.PopRaw<FileSys::SaveDataDescriptor>();
auto filesystem = OpenSaveData(space_id, save_struct);
if (filesystem.Failed()) {
IPC::ResponseBuilder rb{ctx, 2, 0, 0};
@ -559,8 +560,8 @@ void FSP_SRV::GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
void FSP_SRV::OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_FS, "called");
TryLoadRomFS();
if (!romfs) {
auto romfs = OpenRomFS(Core::System::GetInstance().CurrentProcess()->program_id);
if (romfs.Failed()) {
// TODO (bunnei): Find the right error code to use here
LOG_CRITICAL(Service_FS, "no file system interface available!");
IPC::ResponseBuilder rb{ctx, 2};
@ -568,8 +569,8 @@ void FSP_SRV::OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx) {
return;
}
// Attempt to open a StorageBackend interface to the RomFS
auto storage = romfs->OpenFile({}, {});
auto storage = romfs.Unwrap()->OpenFile({}, {});
if (storage.Failed()) {
LOG_CRITICAL(Service_FS, "no storage interface available!");
IPC::ResponseBuilder rb{ctx, 2};
@ -583,8 +584,40 @@ void FSP_SRV::OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx) {
}
void FSP_SRV::OpenRomStorage(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_FS, "(STUBBED) called, using OpenDataStorageByCurrentProcess");
OpenDataStorageByCurrentProcess(ctx);
IPC::RequestParser rp{ctx};
auto storage_id = rp.PopRaw<StorageId>();
auto title_id = rp.PopRaw<u64>();
LOG_DEBUG(Service_FS, "called with storage_id={:02X}, title_id={:016X}",
static_cast<u8>(storage_id), title_id);
if (title_id != Core::System::GetInstance().CurrentProcess()->program_id) {
LOG_CRITICAL(
Service_FS,
"Attempting to access RomFS of another title id (current={:016X}, requested={:016X}).",
Core::System::GetInstance().CurrentProcess()->program_id, title_id);
}
auto romfs = OpenRomFS(title_id);
if (romfs.Failed()) {
LOG_CRITICAL(Service_FS, "no file system interface available!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultCode(ErrorModule::FS, FileSys::ErrCodes::RomFSNotFound));
return;
}
auto storage = romfs.Unwrap()->OpenFile({}, {});
if (storage.Failed()) {
LOG_CRITICAL(Service_FS, "no storage interface available!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(storage.Code());
return;
}
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IStorage>(std::move(storage.Unwrap()));
}
} // namespace Service::FileSystem

2
src/core/hle/service/filesystem/fsp_srv.h
View file

@ -19,8 +19,6 @@ public:
~FSP_SRV() = default;
private:
void TryLoadRomFS();
void Initialize(Kernel::HLERequestContext& ctx);
void MountSdCard(Kernel::HLERequestContext& ctx);
void CreateSaveData(Kernel::HLERequestContext& ctx);