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Merge pull request #6551 from bunnei/improve-kernel-obj 

Improve management of kernel objects
This commit is contained in:
bunnei 2021-07-23 21:23:56 -04:00 committed by GitHub
parent db46f8a70c 346bfb6c47
commit 2656020608
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
21 changed files with 327 additions and 88 deletions
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2
src/core/CMakeLists.txt
View File

@ -517,6 +517,8 @@ add_library(core STATIC
hle/service/psc/psc.h
hle/service/ptm/psm.cpp
hle/service/ptm/psm.h
hle/service/kernel_helpers.cpp
hle/service/kernel_helpers.h
hle/service/service.cpp
hle/service/service.h
hle/service/set/set.cpp

3
src/core/hle/kernel/hle_ipc.cpp
View File

@ -58,6 +58,9 @@ bool SessionRequestManager::HasSessionRequestHandler(const HLERequestContext& co
void SessionRequestHandler::ClientConnected(KServerSession* session) {
session->ClientConnected(shared_from_this());
// Ensure our server session is tracked globally.
kernel.RegisterServerSession(session);
}
void SessionRequestHandler::ClientDisconnected(KServerSession* session) {

9
src/core/hle/kernel/k_auto_object.cpp
View File

@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include "core/hle/kernel/k_auto_object.h"
#include "core/hle/kernel/kernel.h"
namespace Kernel {
@ -11,4 +12,12 @@ KAutoObject* KAutoObject::Create(KAutoObject* obj) {
return obj;
}
void KAutoObject::RegisterWithKernel() {
kernel.RegisterKernelObject(this);
}
void KAutoObject::UnregisterWithKernel() {
kernel.UnregisterKernelObject(this);
}
} // namespace Kernel

12
src/core/hle/kernel/k_auto_object.h
View File

@ -85,8 +85,12 @@ private:
KERNEL_AUTOOBJECT_TRAITS(KAutoObject, KAutoObject);
public:
explicit KAutoObject(KernelCore& kernel_) : kernel(kernel_) {}
virtual ~KAutoObject() = default;
explicit KAutoObject(KernelCore& kernel_) : kernel(kernel_) {
RegisterWithKernel();
}
virtual ~KAutoObject() {
UnregisterWithKernel();
}
static KAutoObject* Create(KAutoObject* ptr);
@ -166,6 +170,10 @@ public:
}
}
private:
void RegisterWithKernel();
void UnregisterWithKernel();
protected:
KernelCore& kernel;
std::string name;

8
src/core/hle/kernel/k_process.cpp
View File

@ -10,6 +10,7 @@
#include "common/alignment.h"
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/scope_exit.h"
#include "common/settings.h"
#include "core/core.h"
#include "core/device_memory.h"
@ -43,6 +44,8 @@ void SetupMainThread(Core::System& system, KProcess& owner_process, u32 priority
ASSERT(owner_process.GetResourceLimit()->Reserve(LimitableResource::Threads, 1));
KThread* thread = KThread::Create(system.Kernel());
SCOPE_EXIT({ thread->Close(); });
ASSERT(KThread::InitializeUserThread(system, thread, entry_point, 0, stack_top, priority,
owner_process.GetIdealCoreId(), &owner_process)
.IsSuccess());
@ -162,7 +165,7 @@ void KProcess::DecrementThreadCount() {
ASSERT(num_threads > 0);
if (const auto count = --num_threads; count == 0) {
UNIMPLEMENTED_MSG("Process termination is not implemented!");
LOG_WARNING(Kernel, "Process termination is not fully implemented.");
}
}
@ -406,6 +409,9 @@ void KProcess::Finalize() {
resource_limit->Close();
}
// Finalize the handle table and close any open handles.
handle_table.Finalize();
// Perform inherited finalization.
KAutoObjectWithSlabHeapAndContainer<KProcess, KSynchronizationObject>::Finalize();
}

5
src/core/hle/kernel/k_server_session.cpp
View File

@ -28,7 +28,10 @@ namespace Kernel {
KServerSession::KServerSession(KernelCore& kernel_) : KSynchronizationObject{kernel_} {}
KServerSession::~KServerSession() {}
KServerSession::~KServerSession() {
// Ensure that the global list tracking server sessions does not hold on to a reference.
kernel.UnregisterServerSession(this);
}
void KServerSession::Initialize(KSession* parent_session_, std::string&& name_,
std::shared_ptr<SessionRequestManager> manager_) {

95
src/core/hle/kernel/kernel.cpp
View File

@ -61,6 +61,7 @@ struct KernelCore::Impl {
void Initialize(KernelCore& kernel) {
global_scheduler_context = std::make_unique<Kernel::GlobalSchedulerContext>(kernel);
global_handle_table = std::make_unique<Kernel::KHandleTable>(kernel);
global_handle_table->Initialize(KHandleTable::MaxTableSize);
is_phantom_mode_for_singlecore = false;
@ -90,9 +91,39 @@ struct KernelCore::Impl {
}
void Shutdown() {
// Shutdown all processes.
if (current_process) {
current_process->Finalize();
current_process->Close();
current_process = nullptr;
}
process_list.clear();
// Ensures all service threads gracefully shutdown
// Close all open server ports.
std::unordered_set<KServerPort*> server_ports_;
{
std::lock_guard lk(server_ports_lock);
server_ports_ = server_ports;
server_ports.clear();
}
for (auto* server_port : server_ports_) {
server_port->Close();
}
// Close all open server sessions.
std::unordered_set<KServerSession*> server_sessions_;
{
std::lock_guard lk(server_sessions_lock);
server_sessions_ = server_sessions;
server_sessions.clear();
}
for (auto* server_session : server_sessions_) {
server_session->Close();
}
// Ensure that the object list container is finalized and properly shutdown.
object_list_container.Finalize();
// Ensures all service threads gracefully shutdown.
service_threads.clear();
next_object_id = 0;
@ -111,11 +142,7 @@ struct KernelCore::Impl {
cores.clear();
if (current_process) {
current_process->Close();
current_process = nullptr;
}
global_handle_table->Finalize();
global_handle_table.reset();
preemption_event = nullptr;
@ -142,6 +169,16 @@ struct KernelCore::Impl {
// Next host thead ID to use, 0-3 IDs represent core threads, >3 represent others
next_host_thread_id = Core::Hardware::NUM_CPU_CORES;
// Track kernel objects that were not freed on shutdown
{
std::lock_guard lk(registered_objects_lock);
if (registered_objects.size()) {
LOG_WARNING(Kernel, "{} kernel objects were dangling on shutdown!",
registered_objects.size());
registered_objects.clear();
}
}
}
void InitializePhysicalCores() {
@ -630,6 +667,21 @@ struct KernelCore::Impl {
user_slab_heap_size);
}
KClientPort* CreateNamedServicePort(std::string name) {
auto search = service_interface_factory.find(name);
if (search == service_interface_factory.end()) {
UNIMPLEMENTED();
return {};
}
KClientPort* port = &search->second(system.ServiceManager(), system);
{
std::lock_guard lk(server_ports_lock);
server_ports.insert(&port->GetParent()->GetServerPort());
}
return port;
}
std::atomic<u32> next_object_id{0};
std::atomic<u64> next_kernel_process_id{KProcess::InitialKIPIDMin};
std::atomic<u64> next_user_process_id{KProcess::ProcessIDMin};
@ -656,6 +708,12 @@ struct KernelCore::Impl {
/// the ConnectToPort SVC.
std::unordered_map<std::string, ServiceInterfaceFactory> service_interface_factory;
NamedPortTable named_ports;
std::unordered_set<KServerPort*> server_ports;
std::unordered_set<KServerSession*> server_sessions;
std::unordered_set<KAutoObject*> registered_objects;
std::mutex server_ports_lock;
std::mutex server_sessions_lock;
std::mutex registered_objects_lock;
std::unique_ptr<Core::ExclusiveMonitor> exclusive_monitor;
std::vector<Kernel::PhysicalCore> cores;
@ -844,12 +902,27 @@ void KernelCore::RegisterNamedService(std::string name, ServiceInterfaceFactory&
}
KClientPort* KernelCore::CreateNamedServicePort(std::string name) {
auto search = impl->service_interface_factory.find(name);
if (search == impl->service_interface_factory.end()) {
UNIMPLEMENTED();
return {};
return impl->CreateNamedServicePort(std::move(name));
}
return &search->second(impl->system.ServiceManager(), impl->system);
void KernelCore::RegisterServerSession(KServerSession* server_session) {
std::lock_guard lk(impl->server_sessions_lock);
impl->server_sessions.insert(server_session);
}
void KernelCore::UnregisterServerSession(KServerSession* server_session) {
std::lock_guard lk(impl->server_sessions_lock);
impl->server_sessions.erase(server_session);
}
void KernelCore::RegisterKernelObject(KAutoObject* object) {
std::lock_guard lk(impl->registered_objects_lock);
impl->registered_objects.insert(object);
}
void KernelCore::UnregisterKernelObject(KAutoObject* object) {
std::lock_guard lk(impl->registered_objects_lock);
impl->registered_objects.erase(object);
}
bool KernelCore::IsValidNamedPort(NamedPortTable::const_iterator port) const {

17
src/core/hle/kernel/kernel.h
View File

@ -45,6 +45,7 @@ class KPort;
class KProcess;
class KResourceLimit;
class KScheduler;
class KServerSession;
class KSession;
class KSharedMemory;
class KThread;
@ -185,6 +186,22 @@ public:
/// Opens a port to a service previously registered with RegisterNamedService.
KClientPort* CreateNamedServicePort(std::string name);
/// Registers a server session with the gobal emulation state, to be freed on shutdown. This is
/// necessary because we do not emulate processes for HLE sessions.
void RegisterServerSession(KServerSession* server_session);
/// Unregisters a server session previously registered with RegisterServerSession when it was
/// destroyed during the current emulation session.
void UnregisterServerSession(KServerSession* server_session);
/// Registers all kernel objects with the global emulation state, this is purely for tracking
/// leaks after emulation has been shutdown.
void RegisterKernelObject(KAutoObject* object);
/// Unregisters a kernel object previously registered with RegisterKernelObject when it was
/// destroyed during the current emulation session.
void UnregisterKernelObject(KAutoObject* object);
/// Determines whether or not the given port is a valid named port.
bool IsValidNamedPort(NamedPortTable::const_iterator port) const;

6
src/core/hle/kernel/svc.cpp
View File

@ -298,6 +298,7 @@ static ResultCode ConnectToNamedPort(Core::System& system, Handle* out, VAddr po
// Create a session.
KClientSession* session{};
R_TRY(port->CreateSession(std::addressof(session)));
port->Close();
// Register the session in the table, close the extra reference.
handle_table.Register(*out, session);
@ -1439,11 +1440,6 @@ static void ExitProcess(Core::System& system) {
LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running,
"Process has already exited");
current_process->PrepareForTermination();
// Kill the current thread
system.Kernel().CurrentScheduler()->GetCurrentThread()->Exit();
}
static void ExitProcess32(Core::System& system) {

13
src/core/hle/service/hid/controllers/npad.cpp
View File

@ -18,6 +18,7 @@
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/service/hid/controllers/npad.h"
#include "core/hle/service/kernel_helpers.h"
namespace Service::HID {
constexpr s32 HID_JOYSTICK_MAX = 0x7fff;
@ -147,7 +148,9 @@ bool Controller_NPad::IsDeviceHandleValid(const DeviceHandle& device_handle) {
device_handle.device_index < DeviceIndex::MaxDeviceIndex;
}
Controller_NPad::Controller_NPad(Core::System& system_) : ControllerBase{system_} {
Controller_NPad::Controller_NPad(Core::System& system_,
KernelHelpers::ServiceContext& service_context_)
: ControllerBase{system_}, service_context{service_context_} {
latest_vibration_values.fill({DEFAULT_VIBRATION_VALUE, DEFAULT_VIBRATION_VALUE});
}
@ -251,10 +254,9 @@ void Controller_NPad::InitNewlyAddedController(std::size_t controller_idx) {
}
void Controller_NPad::OnInit() {
auto& kernel = system.Kernel();
for (std::size_t i = 0; i < styleset_changed_events.size(); ++i) {
styleset_changed_events[i] = Kernel::KEvent::Create(kernel);
styleset_changed_events[i]->Initialize(fmt::format("npad:NpadStyleSetChanged_{}", i));
styleset_changed_events[i] =
service_context.CreateEvent(fmt::format("npad:NpadStyleSetChanged_{}", i));
}
if (!IsControllerActivated()) {
@ -344,8 +346,7 @@ void Controller_NPad::OnRelease() {
}
for (std::size_t i = 0; i < styleset_changed_events.size(); ++i) {
styleset_changed_events[i]->Close();
styleset_changed_events[i] = nullptr;
service_context.CloseEvent(styleset_changed_events[i]);
}
}

8
src/core/hle/service/hid/controllers/npad.h
View File

@ -20,6 +20,10 @@ class KEvent;
class KReadableEvent;
} // namespace Kernel
namespace Service::KernelHelpers {
class ServiceContext;
}
namespace Service::HID {
constexpr u32 NPAD_HANDHELD = 32;
@ -27,7 +31,8 @@ constexpr u32 NPAD_UNKNOWN = 16; // TODO(ogniK): What is this?
class Controller_NPad final : public ControllerBase {
public:
explicit Controller_NPad(Core::System& system_);
explicit Controller_NPad(Core::System& system_,
KernelHelpers::ServiceContext& service_context_);
~Controller_NPad() override;
// Called when the controller is initialized
@ -566,6 +571,7 @@ private:
std::array<std::unique_ptr<Input::MotionDevice>, Settings::NativeMotion::NUM_MOTIONS_HID>,
10>;
KernelHelpers::ServiceContext& service_context;
std::mutex mutex;
ButtonArray buttons;
StickArray sticks;

14
src/core/hle/service/hid/hid.cpp
View File

@ -46,8 +46,9 @@ constexpr auto pad_update_ns = std::chrono::nanoseconds{1000 * 1000}; //
constexpr auto motion_update_ns = std::chrono::nanoseconds{15 * 1000 * 1000}; // (15ms, 66.666Hz)
constexpr std::size_t SHARED_MEMORY_SIZE = 0x40000;
IAppletResource::IAppletResource(Core::System& system_)
: ServiceFramework{system_, "IAppletResource"} {
IAppletResource::IAppletResource(Core::System& system_,
KernelHelpers::ServiceContext& service_context_)
: ServiceFramework{system_, "IAppletResource"}, service_context{service_context_} {
static const FunctionInfo functions[] = {
{0, &IAppletResource::GetSharedMemoryHandle, "GetSharedMemoryHandle"},
};
@ -63,7 +64,7 @@ IAppletResource::IAppletResource(Core::System& system_)
MakeController<Controller_Stubbed>(HidController::CaptureButton);
MakeController<Controller_Stubbed>(HidController::InputDetector);
MakeController<Controller_Stubbed>(HidController::UniquePad);
MakeController<Controller_NPad>(HidController::NPad);
MakeControllerWithServiceContext<Controller_NPad>(HidController::NPad);
MakeController<Controller_Gesture>(HidController::Gesture);
MakeController<Controller_ConsoleSixAxis>(HidController::ConsoleSixAxisSensor);
@ -191,13 +192,14 @@ private:
std::shared_ptr<IAppletResource> Hid::GetAppletResource() {
if (applet_resource == nullptr) {
applet_resource = std::make_shared<IAppletResource>(system);
applet_resource = std::make_shared<IAppletResource>(system, service_context);
}
return applet_resource;
}
Hid::Hid(Core::System& system_) : ServiceFramework{system_, "hid"} {
Hid::Hid(Core::System& system_)
: ServiceFramework{system_, "hid"}, service_context{system_, service_name} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &Hid::CreateAppletResource, "CreateAppletResource"},
@ -347,7 +349,7 @@ void Hid::CreateAppletResource(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
if (applet_resource == nullptr) {
applet_resource = std::make_shared<IAppletResource>(system);
applet_resource = std::make_shared<IAppletResource>(system, service_context);
}
IPC::ResponseBuilder rb{ctx, 2, 0, 1};

13
src/core/hle/service/hid/hid.h
View File

@ -7,6 +7,7 @@
#include <chrono>
#include "core/hle/service/hid/controllers/controller_base.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/service.h"
namespace Core::Timing {
@ -39,7 +40,8 @@ enum class HidController : std::size_t {
class IAppletResource final : public ServiceFramework<IAppletResource> {
public:
explicit IAppletResource(Core::System& system_);
explicit IAppletResource(Core::System& system_,
KernelHelpers::ServiceContext& service_context_);
~IAppletResource() override;
void ActivateController(HidController controller);
@ -60,11 +62,18 @@ private:
void MakeController(HidController controller) {
controllers[static_cast<std::size_t>(controller)] = std::make_unique<T>(system);
}
template <typename T>
void MakeControllerWithServiceContext(HidController controller) {
controllers[static_cast<std::size_t>(controller)] =
std::make_unique<T>(system, service_context);
}
void GetSharedMemoryHandle(Kernel::HLERequestContext& ctx);
void UpdateControllers(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
void UpdateMotion(std::uintptr_t user_data, std::chrono::nanoseconds ns_late);
KernelHelpers::ServiceContext& service_context;
std::shared_ptr<Core::Timing::EventType> pad_update_event;
std::shared_ptr<Core::Timing::EventType> motion_update_event;
@ -176,6 +185,8 @@ private:
static_assert(sizeof(VibrationDeviceInfo) == 0x8, "VibrationDeviceInfo has incorrect size.");
std::shared_ptr<IAppletResource> applet_resource;
KernelHelpers::ServiceContext service_context;
};
/// Reload input devices. Used when input configuration changed

62
src/core/hle/service/kernel_helpers.cpp Normal file
View File

@ -0,0 +1,62 @@
// Copyright 2021 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/core.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/service/kernel_helpers.h"
namespace Service::KernelHelpers {
ServiceContext::ServiceContext(Core::System& system_, std::string name_)
: kernel(system_.Kernel()) {
process = Kernel::KProcess::Create(kernel);
ASSERT(Kernel::KProcess::Initialize(process, system_, std::move(name_),
Kernel::KProcess::ProcessType::Userland)
.IsSuccess());
}
ServiceContext::~ServiceContext() {
process->Close();
process = nullptr;
}
Kernel::KEvent* ServiceContext::CreateEvent(std::string&& name) {
// Reserve a new event from the process resource limit
Kernel::KScopedResourceReservation event_reservation(process,
Kernel::LimitableResource::Events);
if (!event_reservation.Succeeded()) {
LOG_CRITICAL(Service, "Resource limit reached!");
return {};
}
// Create a new event.
auto* event = Kernel::KEvent::Create(kernel);
if (!event) {
LOG_CRITICAL(Service, "Unable to create event!");
return {};
}
// Initialize the event.
event->Initialize(std::move(name));
// Commit the thread reservation.
event_reservation.Commit();
// Register the event.
Kernel::KEvent::Register(kernel, event);
return event;
}
void ServiceContext::CloseEvent(Kernel::KEvent* event) {
event->GetReadableEvent().Close();
event->GetWritableEvent().Close();
}
} // namespace Service::KernelHelpers

35
src/core/hle/service/kernel_helpers.h Normal file
View File

@ -0,0 +1,35 @@
// Copyright 2021 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
namespace Core {
class System;
}
namespace Kernel {
class KernelCore;
class KEvent;
class KProcess;
} // namespace Kernel
namespace Service::KernelHelpers {
class ServiceContext {
public:
ServiceContext(Core::System& system_, std::string name_);
~ServiceContext();
Kernel::KEvent* CreateEvent(std::string&& name);
void CloseEvent(Kernel::KEvent* event);
private:
Kernel::KernelCore& kernel;
Kernel::KProcess* process{};
};
} // namespace Service::KernelHelpers

11
src/core/hle/service/nvdrv/nvdrv.cpp
View File

@ -39,11 +39,11 @@ void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger
nvflinger.SetNVDrvInstance(module_);
}
Module::Module(Core::System& system) : syncpoint_manager{system.GPU()} {
auto& kernel = system.Kernel();
Module::Module(Core::System& system)
: syncpoint_manager{system.GPU()}, service_context{system, "nvdrv"} {
for (u32 i = 0; i < MaxNvEvents; i++) {
events_interface.events[i].event = Kernel::KEvent::Create(kernel);
events_interface.events[i].event->Initialize(fmt::format("NVDRV::NvEvent_{}", i));
events_interface.events[i].event =
service_context.CreateEvent(fmt::format("NVDRV::NvEvent_{}", i));
events_interface.status[i] = EventState::Free;
events_interface.registered[i] = false;
}
@ -65,8 +65,7 @@ Module::Module(Core::System& system) : syncpoint_manager{system.GPU()} {
Module::~Module() {
for (u32 i = 0; i < MaxNvEvents; i++) {
events_interface.events[i].event->Close();
events_interface.events[i].event = nullptr;
service_context.CloseEvent(events_interface.events[i].event);
}
}

3
src/core/hle/service/nvdrv/nvdrv.h
View File

@ -9,6 +9,7 @@
#include <vector>
#include "common/common_types.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvdrv/syncpoint_manager.h"
#include "core/hle/service/service.h"
@ -154,6 +155,8 @@ private:
std::unordered_map<std::string, std::shared_ptr<Devices::nvdevice>> devices;
EventInterface events_interface;
KernelHelpers::ServiceContext service_context;
};
/// Registers all NVDRV services with the specified service manager.

11
src/core/hle/service/service.cpp
View File

@ -104,23 +104,22 @@ ServiceFrameworkBase::~ServiceFrameworkBase() {
void ServiceFrameworkBase::InstallAsService(SM::ServiceManager& service_manager) {
const auto guard = LockService();
ASSERT(!port_installed);
ASSERT(!service_registered);
auto port = service_manager.RegisterService(service_name, max_sessions).Unwrap();
port->SetSessionHandler(shared_from_this());
port_installed = true;
service_manager.RegisterService(service_name, max_sessions, shared_from_this());
service_registered = true;
}
Kernel::KClientPort& ServiceFrameworkBase::CreatePort() {
const auto guard = LockService();
ASSERT(!port_installed);
ASSERT(!service_registered);
auto* port = Kernel::KPort::Create(kernel);
port->Initialize(max_sessions, false, service_name);
port->GetServerPort().SetSessionHandler(shared_from_this());
port_installed = true;
service_registered = true;
return port->GetClientPort();
}

7
src/core/hle/service/service.h
View File

@ -96,6 +96,9 @@ protected:
/// System context that the service operates under.
Core::System& system;
/// Identifier string used to connect to the service.
std::string service_name;
private:
template <typename T>
friend class ServiceFramework;
@ -117,14 +120,12 @@ private:
void RegisterHandlersBaseTipc(const FunctionInfoBase* functions, std::size_t n);
void ReportUnimplementedFunction(Kernel::HLERequestContext& ctx, const FunctionInfoBase* info);
/// Identifier string used to connect to the service.
std::string service_name;
/// Maximum number of concurrent sessions that this service can handle.
u32 max_sessions;
/// Flag to store if a port was already create/installed to detect multiple install attempts,
/// which is not supported.
bool port_installed = false;
bool service_registered = false;
/// Function used to safely up-cast pointers to the derived class before invoking a handler.
InvokerFn* handler_invoker;

65
src/core/hle/service/sm/sm.cpp
View File

@ -4,6 +4,7 @@
#include <tuple>
#include "common/assert.h"
#include "common/scope_exit.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/k_client_port.h"
@ -40,17 +41,13 @@ static ResultCode ValidateServiceName(const std::string& name) {
}
Kernel::KClientPort& ServiceManager::InterfaceFactory(ServiceManager& self, Core::System& system) {
ASSERT(self.sm_interface.expired());
auto sm = std::make_shared<SM>(self, system);
self.sm_interface = sm;
self.sm_interface = std::make_shared<SM>(self, system);
self.controller_interface = std::make_unique<Controller>(system);
return sm->CreatePort();
return self.sm_interface->CreatePort();
}
ResultVal<Kernel::KServerPort*> ServiceManager::RegisterService(std::string name,
u32 max_sessions) {
ResultCode ServiceManager::RegisterService(std::string name, u32 max_sessions,
Kernel::SessionRequestHandlerPtr handler) {
CASCADE_CODE(ValidateServiceName(name));
@ -59,12 +56,9 @@ ResultVal<Kernel::KServerPort*> ServiceManager::RegisterService(std::string name
return ERR_ALREADY_REGISTERED;
}
auto* port = Kernel::KPort::Create(kernel);
port->Initialize(max_sessions, false, name);
registered_services.emplace(std::move(name), handler);
registered_services.emplace(std::move(name), port);
return MakeResult(&port->GetServerPort());
return ResultSuccess;
}
ResultCode ServiceManager::UnregisterService(const std::string& name) {
@ -76,14 +70,11 @@ ResultCode ServiceManager::UnregisterService(const std::string& name) {
return ERR_SERVICE_NOT_REGISTERED;
}
iter->second->Close();
registered_services.erase(iter);
return ResultSuccess;
}
ResultVal<Kernel::KPort*> ServiceManager::GetServicePort(const std::string& name) {
CASCADE_CODE(ValidateServiceName(name));
auto it = registered_services.find(name);
if (it == registered_services.end()) {
@ -91,10 +82,13 @@ ResultVal<Kernel::KPort*> ServiceManager::GetServicePort(const std::string& name
return ERR_SERVICE_NOT_REGISTERED;
}
return MakeResult(it->second);
}
auto* port = Kernel::KPort::Create(kernel);
port->Initialize(ServerSessionCountMax, false, name);
auto handler = it->second;
port->GetServerPort().SetSessionHandler(std::move(handler));
SM::~SM() = default;
return MakeResult(port);
}
/**
* SM::Initialize service function
@ -156,11 +150,15 @@ ResultVal<Kernel::KClientSession*> SM::GetServiceImpl(Kernel::HLERequestContext&
LOG_ERROR(Service_SM, "called service={} -> error 0x{:08X}", name, port_result.Code().raw);
return port_result.Code();
}
auto& port = port_result.Unwrap()->GetClientPort();
auto& port = port_result.Unwrap();
SCOPE_EXIT({ port->GetClientPort().Close(); });
server_ports.emplace_back(&port->GetServerPort());
// Create a new session.
Kernel::KClientSession* session{};
if (const auto result = port.CreateSession(std::addressof(session)); result.IsError()) {
if (const auto result = port->GetClientPort().CreateSession(std::addressof(session));
result.IsError()) {
LOG_ERROR(Service_SM, "called service={} -> error 0x{:08X}", name, result.raw);
return result;
}
@ -180,20 +178,21 @@ void SM::RegisterService(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_SM, "called with name={}, max_session_count={}, is_light={}", name,
max_session_count, is_light);
auto handle = service_manager.RegisterService(name, max_session_count);
if (handle.Failed()) {
LOG_ERROR(Service_SM, "failed to register service with error_code={:08X}",
handle.Code().raw);
if (const auto result = service_manager.RegisterService(name, max_session_count, nullptr);
result.IsError()) {
LOG_ERROR(Service_SM, "failed to register service with error_code={:08X}", result.raw);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(handle.Code());
rb.Push(result);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(handle.Code());
auto* port = Kernel::KPort::Create(kernel);
port->Initialize(ServerSessionCountMax, is_light, name);
SCOPE_EXIT({ port->GetClientPort().Close(); });
auto server_port = handle.Unwrap();
rb.PushMoveObjects(server_port);
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(ResultSuccess);
rb.PushMoveObjects(port->GetServerPort());
}
void SM::UnregisterService(Kernel::HLERequestContext& ctx) {
@ -225,4 +224,10 @@ SM::SM(ServiceManager& service_manager_, Core::System& system_)
});
}
SM::~SM() {
for (auto& server_port : server_ports) {
server_port->Close();
}
}
} // namespace Service::SM

14
src/core/hle/service/sm/sm.h
View File

@ -49,6 +49,7 @@ private:
ServiceManager& service_manager;
bool is_initialized{};
Kernel::KernelCore& kernel;
std::vector<Kernel::KServerPort*> server_ports;
};
class ServiceManager {
@ -58,7 +59,8 @@ public:
explicit ServiceManager(Kernel::KernelCore& kernel_);
~ServiceManager();
ResultVal<Kernel::KServerPort*> RegisterService(std::string name, u32 max_sessions);
ResultCode RegisterService(std::string name, u32 max_sessions,
Kernel::SessionRequestHandlerPtr handler);
ResultCode UnregisterService(const std::string& name);
ResultVal<Kernel::KPort*> GetServicePort(const std::string& name);
@ -69,21 +71,17 @@ public:
LOG_DEBUG(Service, "Can't find service: {}", service_name);
return nullptr;
}
auto* port = service->second;
if (port == nullptr) {
return nullptr;
}
return std::static_pointer_cast<T>(port->GetServerPort().GetSessionRequestHandler());
return std::static_pointer_cast<T>(service->second);
}
void InvokeControlRequest(Kernel::HLERequestContext& context);
private:
std::weak_ptr<SM> sm_interface;
std::shared_ptr<SM> sm_interface;
std::unique_ptr<Controller> controller_interface;
/// Map of registered services, retrieved using GetServicePort.
std::unordered_map<std::string, Kernel::KPort*> registered_services;
std::unordered_map<std::string, Kernel::SessionRequestHandlerPtr> registered_services;
/// Kernel context
Kernel::KernelCore& kernel;