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pineappleEA
204
src/core/hle/service/sm/sm.cpp
Executable file
204
src/core/hle/service/sm/sm.cpp
Executable file
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <tuple>
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#include "common/assert.h"
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#include "core/core.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/client_port.h"
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#include "core/hle/kernel/client_session.h"
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#include "core/hle/kernel/server_port.h"
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#include "core/hle/result.h"
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#include "core/hle/service/sm/controller.h"
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#include "core/hle/service/sm/sm.h"
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namespace Service::SM {
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constexpr ResultCode ERR_ALREADY_REGISTERED(ErrorModule::SM, 4);
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constexpr ResultCode ERR_INVALID_NAME(ErrorModule::SM, 6);
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constexpr ResultCode ERR_SERVICE_NOT_REGISTERED(ErrorModule::SM, 7);
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ServiceManager::ServiceManager(Kernel::KernelCore& kernel_) : kernel{kernel_} {}
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ServiceManager::~ServiceManager() = default;
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void ServiceManager::InvokeControlRequest(Kernel::HLERequestContext& context) {
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controller_interface->InvokeRequest(context);
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}
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static ResultCode ValidateServiceName(const std::string& name) {
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if (name.empty() || name.size() > 8) {
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LOG_ERROR(Service_SM, "Invalid service name! service={}", name);
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return ERR_INVALID_NAME;
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}
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if (name.rfind('\0') != std::string::npos) {
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LOG_ERROR(Service_SM, "A non null terminated service was passed");
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return ERR_INVALID_NAME;
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}
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return RESULT_SUCCESS;
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}
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void ServiceManager::InstallInterfaces(std::shared_ptr<ServiceManager> self, Core::System& system) {
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ASSERT(self->sm_interface.expired());
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auto sm = std::make_shared<SM>(self, system);
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sm->InstallAsNamedPort(system.Kernel());
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self->sm_interface = sm;
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self->controller_interface = std::make_unique<Controller>(system);
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}
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ResultVal<std::shared_ptr<Kernel::ServerPort>> ServiceManager::RegisterService(std::string name,
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u32 max_sessions) {
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CASCADE_CODE(ValidateServiceName(name));
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if (registered_services.find(name) != registered_services.end()) {
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LOG_ERROR(Service_SM, "Service is already registered! service={}", name);
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return ERR_ALREADY_REGISTERED;
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}
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auto [server_port, client_port] =
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Kernel::ServerPort::CreatePortPair(kernel, max_sessions, name);
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registered_services.emplace(std::move(name), std::move(client_port));
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return MakeResult(std::move(server_port));
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}
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ResultCode ServiceManager::UnregisterService(const std::string& name) {
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CASCADE_CODE(ValidateServiceName(name));
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const auto iter = registered_services.find(name);
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if (iter == registered_services.end()) {
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LOG_ERROR(Service_SM, "Server is not registered! service={}", name);
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return ERR_SERVICE_NOT_REGISTERED;
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}
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registered_services.erase(iter);
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return RESULT_SUCCESS;
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}
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ResultVal<std::shared_ptr<Kernel::ClientPort>> ServiceManager::GetServicePort(
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const std::string& name) {
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CASCADE_CODE(ValidateServiceName(name));
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auto it = registered_services.find(name);
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if (it == registered_services.end()) {
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LOG_ERROR(Service_SM, "Server is not registered! service={}", name);
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return ERR_SERVICE_NOT_REGISTERED;
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}
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return MakeResult(it->second);
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}
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ResultVal<std::shared_ptr<Kernel::ClientSession>> ServiceManager::ConnectToService(
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const std::string& name) {
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CASCADE_RESULT(auto client_port, GetServicePort(name));
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return client_port->Connect();
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}
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SM::~SM() = default;
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/**
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* SM::Initialize service function
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* Inputs:
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* 0: 0x00000000
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* Outputs:
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* 0: ResultCode
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*/
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void SM::Initialize(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_SM, "called");
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void SM::GetService(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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auto name_buf = rp.PopRaw<std::array<char, 8>>();
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auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
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std::string name(name_buf.begin(), end);
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auto client_port = service_manager->GetServicePort(name);
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if (client_port.Failed()) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(client_port.Code());
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LOG_ERROR(Service_SM, "called service={} -> error 0x{:08X}", name, client_port.Code().raw);
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if (name.length() == 0)
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return; // LibNX Fix
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UNIMPLEMENTED();
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return;
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}
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auto [client, server] = Kernel::Session::Create(kernel, name);
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const auto& server_port = client_port.Unwrap()->GetServerPort();
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if (server_port->GetHLEHandler()) {
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server_port->GetHLEHandler()->ClientConnected(server);
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} else {
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server_port->AppendPendingSession(server);
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}
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// Wake the threads waiting on the ServerPort
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server_port->Signal();
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LOG_DEBUG(Service_SM, "called service={} -> session={}", name, client->GetObjectId());
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IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
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rb.Push(RESULT_SUCCESS);
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rb.PushMoveObjects(std::move(client));
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}
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void SM::RegisterService(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto name_buf = rp.PopRaw<std::array<char, 8>>();
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const auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
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const std::string name(name_buf.begin(), end);
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const auto is_light = static_cast<bool>(rp.PopRaw<u32>());
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const auto max_session_count = rp.PopRaw<u32>();
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LOG_DEBUG(Service_SM, "called with name={}, max_session_count={}, is_light={}", name,
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max_session_count, is_light);
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auto handle = service_manager->RegisterService(name, max_session_count);
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if (handle.Failed()) {
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LOG_ERROR(Service_SM, "failed to register service with error_code={:08X}",
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handle.Code().raw);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(handle.Code());
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return;
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}
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IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
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rb.Push(handle.Code());
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rb.PushMoveObjects(std::move(handle).Unwrap());
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}
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void SM::UnregisterService(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const auto name_buf = rp.PopRaw<std::array<char, 8>>();
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const auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
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const std::string name(name_buf.begin(), end);
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LOG_DEBUG(Service_SM, "called with name={}", name);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(service_manager->UnregisterService(name));
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}
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SM::SM(std::shared_ptr<ServiceManager> service_manager_, Core::System& system_)
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: ServiceFramework{system_, "sm:", 4},
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service_manager{std::move(service_manager_)}, kernel{system_.Kernel()} {
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static const FunctionInfo functions[] = {
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{0x00000000, &SM::Initialize, "Initialize"},
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{0x00000001, &SM::GetService, "GetService"},
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{0x00000002, &SM::RegisterService, "RegisterService"},
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{0x00000003, &SM::UnregisterService, "UnregisterService"},
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};
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RegisterHandlers(functions);
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}
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} // namespace Service::SM
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