filesystem: Implement basic IStorage functionality.

This commit is contained in:
David Marcec 2018-01-16 19:20:12 -08:00 committed by bunnei
parent 00851a5ef4
commit d64b7d7dfd
6 changed files with 258 additions and 0 deletions

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@ -97,6 +97,10 @@ add_library(core STATIC
hle/service/audio/audio.h
hle/service/audio/audout_u.cpp
hle/service/audio/audout_u.h
hle/service/filesystem/filesystem.cpp
hle/service/filesystem/filesystem.h
hle/service/filesystem/fsp_srv.cpp
hle/service/filesystem/fsp_srv.h
hle/service/hid/hid.cpp
hle/service/hid/hid.h
hle/service/lm/lm.cpp

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@ -0,0 +1,54 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <boost/container/flat_map.hpp>
#include "core/file_sys/filesystem.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/filesystem/fsp_srv.h"
namespace Service {
namespace 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;
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 %s with id code 0x%08X",
filesystem->GetName().c_str(), static_cast<u32>(type));
return RESULT_SUCCESS;
}
ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
FileSys::Path& path) {
LOG_TRACE(Service_FS, "Opening FileSystem with type=%d", 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);
}
void UnregisterFileSystems() {
filesystem_map.clear();
}
void InstallInterfaces(SM::ServiceManager& service_manager) {
UnregisterFileSystems();
std::make_shared<FSP_SRV>()->InstallAsService(service_manager);
}
} // namespace FileSystem
} // namespace Service

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@ -0,0 +1,41 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "common/common_types.h"
#include "core/file_sys/filesystem.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
namespace Service {
namespace FileSystem {
/// Supported FileSystem types
enum class Type {
RomFS = 1,
};
/**
* 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);
/**
* 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);
/// Registers all Filesystem services with the specified service manager.
void InstallInterfaces(SM::ServiceManager& service_manager);
} // namespace Filesystem
} // namespace Service

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@ -0,0 +1,132 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#include "core/core.h"
#include "core/file_sys/filesystem.h"
#include "core/file_sys/storage.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/filesystem/fsp_srv.h"
namespace Service {
namespace FileSystem {
class IStorage final : public ServiceFramework<IStorage> {
public:
IStorage(std::unique_ptr<FileSys::StorageBackend>&& backend)
: ServiceFramework("IStorage"), backend(std::move(backend)) {
static const FunctionInfo functions[] = {
{0, &IStorage::Read, "Read"}, {1, &IStorage::Write, "Write"},
{2, &IStorage::Flush, "Flush"}, {3, &IStorage::SetSize, "SetSize"},
{4, &IStorage::GetSize, "GetSize"},
};
RegisterHandlers(functions);
}
private:
std::unique_ptr<FileSys::StorageBackend> backend;
void Read(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u64 offset = rp.Pop<u64>();
u64 length = rp.Pop<u64>();
LOG_DEBUG(Service, "called, offset=0x%llx, length=0x%llx", offset, length);
auto descriptor = ctx.BufferDescriptorB()[0];
std::vector<u8> output(length);
ResultVal<size_t> res = backend->Read(offset, length, output.data());
if (res.Failed()) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(res.Code());
}
Memory::WriteBlock(descriptor.Address(), output.data(), descriptor.Size());
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void Write(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
void Flush(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
void SetSize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
void GetSize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
};
FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
static const FunctionInfo functions[] = {
{1, &FSP_SRV::Initalize, "Initalize"},
{200, &FSP_SRV::OpenDataStorageByCurrentProcess, "OpenDataStorageByCurrentProcess"},
{203, &FSP_SRV::OpenRomStorage, "OpenRomStorage"},
{1005, &FSP_SRV::GetGlobalAccessLogMode, "GetGlobalAccessLogMode"},
};
RegisterHandlers(functions);
}
void FSP_SRV::Initalize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
void FSP_SRV::GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(5);
LOG_WARNING(Service, "(STUBBED) called");
}
void FSP_SRV::OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx) {
FileSys::Path path;
auto filesystem = OpenFileSystem(Type::RomFS, path);
if (filesystem.Failed()) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(filesystem.Code());
return;
}
auto storage = filesystem.Unwrap()->OpenFile({}, {});
if (storage.Failed()) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(storage.Code());
return;
}
// TODO: What if already opened?
IPC::RequestBuilder rb{ctx, 2, 0, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IStorage>(std::move(storage.Unwrap()));
LOG_WARNING(Service, "(STUBBED) called");
}
void FSP_SRV::OpenRomStorage(Kernel::HLERequestContext& ctx) {
OpenDataStorageByCurrentProcess(ctx);
}
} // namespace Filesystem
} // namespace Service

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@ -0,0 +1,25 @@
// Copyright 2018 yuzu emulator team
// 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 FileSystem {
class FSP_SRV final : public ServiceFramework<FSP_SRV> {
public:
FSP_SRV();
~FSP_SRV() = default;
private:
void Initalize(Kernel::HLERequestContext& ctx);
void GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
void OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);
void OpenRomStorage(Kernel::HLERequestContext& ctx);
};
} // namespace Filesystem
} // namespace Service

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@ -19,6 +19,7 @@
#include "core/hle/service/aoc/aoc_u.h"
#include "core/hle/service/apm/apm.h"
#include "core/hle/service/audio/audio.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/hid/hid.h"
#include "core/hle/service/lm/lm.h"
#include "core/hle/service/nvdrv/nvdrv.h"
@ -172,6 +173,7 @@ void Init() {
AOC::InstallInterfaces(*SM::g_service_manager);
APM::InstallInterfaces(*SM::g_service_manager);
Audio::InstallInterfaces(*SM::g_service_manager);
FileSystem::InstallInterfaces(*SM::g_service_manager);
HID::InstallInterfaces(*SM::g_service_manager);
LM::InstallInterfaces(*SM::g_service_manager);
Nvidia::InstallInterfaces(*SM::g_service_manager);