diff options
Diffstat (limited to 'src/core')
24 files changed, 591 insertions, 170 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index e26677079..7b3b4389a 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -38,6 +38,7 @@ set(SRCS hle/applets/swkbd.cpp hle/kernel/address_arbiter.cpp hle/kernel/client_port.cpp + hle/kernel/client_session.cpp hle/kernel/event.cpp hle/kernel/kernel.cpp hle/kernel/memory.cpp @@ -46,7 +47,7 @@ set(SRCS hle/kernel/resource_limit.cpp hle/kernel/semaphore.cpp hle/kernel/server_port.cpp - hle/kernel/session.cpp + hle/kernel/server_session.cpp hle/kernel/shared_memory.cpp hle/kernel/thread.cpp hle/kernel/timer.cpp @@ -194,12 +195,14 @@ set(HEADERS hle/config_mem.h hle/function_wrappers.h hle/hle.h + hle/ipc.h hle/applets/applet.h hle/applets/erreula.h hle/applets/mii_selector.h hle/applets/swkbd.h hle/kernel/address_arbiter.h hle/kernel/client_port.h + hle/kernel/client_session.h hle/kernel/event.h hle/kernel/kernel.h hle/kernel/memory.h @@ -208,7 +211,7 @@ set(HEADERS hle/kernel/resource_limit.h hle/kernel/semaphore.h hle/kernel/server_port.h - hle/kernel/session.h + hle/kernel/server_session.h hle/kernel/shared_memory.h hle/kernel/thread.h hle/kernel/timer.h diff --git a/src/core/hle/kernel/session.h b/src/core/hle/ipc.h index ec025f732..4e094faa7 100644 --- a/src/core/hle/kernel/session.h +++ b/src/core/hle/ipc.h @@ -1,17 +1,31 @@ -// Copyright 2014 Citra Emulator Project +// Copyright 2016 Citra Emulator Project // Licensed under GPLv2 or any later version // Refer to the license.txt file included. #pragma once -#include <string> -#include "common/assert.h" #include "common/common_types.h" -#include "core/hle/kernel/kernel.h" #include "core/hle/kernel/thread.h" -#include "core/hle/result.h" #include "core/memory.h" +namespace Kernel { + +static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header + +/** + * Returns a pointer to the command buffer in the current thread's TLS + * TODO(Subv): This is not entirely correct, the command buffer should be copied from + * the thread's TLS to an intermediate buffer in kernel memory, and then copied again to + * the service handler process' memory. + * @param offset Optional offset into command buffer + * @return Pointer to command buffer + */ +inline u32* GetCommandBuffer(const int offset = 0) { + return (u32*)Memory::GetPointer(GetCurrentThread()->GetTLSAddress() + kCommandHeaderOffset + + offset); +} +} + namespace IPC { enum DescriptorType : u32 { @@ -144,75 +158,3 @@ inline DescriptorType GetDescriptorType(u32 descriptor) { } } // namespace IPC - -namespace Kernel { - -static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header - -/** - * Returns a pointer to the command buffer in the current thread's TLS - * TODO(Subv): This is not entirely correct, the command buffer should be copied from - * the thread's TLS to an intermediate buffer in kernel memory, and then copied again to - * the service handler process' memory. - * @param offset Optional offset into command buffer - * @return Pointer to command buffer - */ -inline u32* GetCommandBuffer(const int offset = 0) { - return (u32*)Memory::GetPointer(GetCurrentThread()->GetTLSAddress() + kCommandHeaderOffset + - offset); -} - -/** - * Kernel object representing the client endpoint of an IPC session. Sessions are the basic CTR-OS - * primitive for communication between different processes, and are used to implement service calls - * to the various system services. - * - * To make a service call, the client must write the command header and parameters to the buffer - * located at offset 0x80 of the TLS (Thread-Local Storage) area, then execute a SendSyncRequest - * SVC call with its Session handle. The kernel will read the command header, using it to marshall - * the parameters to the process at the server endpoint of the session. After the server replies to - * the request, the response is marshalled back to the caller's TLS buffer and control is - * transferred back to it. - * - * In Citra, only the client endpoint is currently implemented and only HLE calls, where the IPC - * request is answered by C++ code in the emulator, are supported. When SendSyncRequest is called - * with the session handle, this class's SyncRequest method is called, which should read the TLS - * buffer and emulate the call accordingly. Since the code can directly read the emulated memory, - * no parameter marshalling is done. - * - * In the long term, this should be turned into the full-fledged IPC mechanism implemented by - * CTR-OS so that IPC calls can be optionally handled by the real implementations of processes, as - * opposed to HLE simulations. - */ -class Session : public WaitObject { -public: - Session(); - ~Session() override; - - std::string GetTypeName() const override { - return "Session"; - } - - static const HandleType HANDLE_TYPE = HandleType::Session; - HandleType GetHandleType() const override { - return HANDLE_TYPE; - } - - /** - * Handles a synchronous call to this session using HLE emulation. Emulated <-> emulated calls - * aren't supported yet. - */ - virtual ResultVal<bool> SyncRequest() = 0; - - // TODO(bunnei): These functions exist to satisfy a hardware test with a Session object - // passed into WaitSynchronization. Figure out the meaning of them. - - bool ShouldWait() override { - return true; - } - - void Acquire() override { - ASSERT_MSG(!ShouldWait(), "object unavailable!"); - } -}; -} diff --git a/src/core/hle/kernel/client_port.cpp b/src/core/hle/kernel/client_port.cpp index aedc6f989..22645f4ec 100644 --- a/src/core/hle/kernel/client_port.cpp +++ b/src/core/hle/kernel/client_port.cpp @@ -4,12 +4,44 @@ #include "common/assert.h" #include "core/hle/kernel/client_port.h" +#include "core/hle/kernel/client_session.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/server_port.h" +#include "core/hle/kernel/server_session.h" namespace Kernel { ClientPort::ClientPort() {} ClientPort::~ClientPort() {} +ResultVal<SharedPtr<ClientSession>> ClientPort::Connect() { + // Note: Threads do not wait for the server endpoint to call + // AcceptSession before returning from this call. + + if (active_sessions >= max_sessions) { + // TODO(Subv): Return an error code in this situation after session disconnection is + // implemented. + /*return ResultCode(ErrorDescription::MaxConnectionsReached, + ErrorModule::OS, ErrorSummary::WouldBlock, + ErrorLevel::Temporary);*/ + } + active_sessions++; + + // Create a new session pair, let the created sessions inherit the parent port's HLE handler. + auto sessions = + ServerSession::CreateSessionPair(server_port->GetName(), server_port->hle_handler); + auto client_session = std::get<SharedPtr<ClientSession>>(sessions); + auto server_session = std::get<SharedPtr<ServerSession>>(sessions); + + if (server_port->hle_handler) + server_port->hle_handler->ClientConnected(server_session); + + server_port->pending_sessions.push_back(std::move(server_session)); + + // Wake the threads waiting on the ServerPort + server_port->WakeupAllWaitingThreads(); + + return MakeResult<SharedPtr<ClientSession>>(std::move(client_session)); +} + } // namespace diff --git a/src/core/hle/kernel/client_port.h b/src/core/hle/kernel/client_port.h index d28147718..511490c7c 100644 --- a/src/core/hle/kernel/client_port.h +++ b/src/core/hle/kernel/client_port.h @@ -11,8 +11,9 @@ namespace Kernel { class ServerPort; +class ClientSession; -class ClientPort : public Object { +class ClientPort final : public Object { public: friend class ServerPort; std::string GetTypeName() const override { @@ -27,12 +28,20 @@ public: return HANDLE_TYPE; } + /** + * Creates a new Session pair, adds the created ServerSession to the associated ServerPort's + * list of pending sessions, and signals the ServerPort, causing any threads + * waiting on it to awake. + * @returns ClientSession The client endpoint of the created Session pair, or error code. + */ + ResultVal<SharedPtr<ClientSession>> Connect(); + SharedPtr<ServerPort> server_port; ///< ServerPort associated with this client port. u32 max_sessions; ///< Maximum number of simultaneous sessions the port can have u32 active_sessions; ///< Number of currently open sessions to this port std::string name; ///< Name of client port (optional) -protected: +private: ClientPort(); ~ClientPort() override; }; diff --git a/src/core/hle/kernel/client_session.cpp b/src/core/hle/kernel/client_session.cpp new file mode 100644 index 000000000..0331386ec --- /dev/null +++ b/src/core/hle/kernel/client_session.cpp @@ -0,0 +1,40 @@ +// Copyright 2016 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/assert.h" + +#include "core/hle/kernel/client_session.h" +#include "core/hle/kernel/server_session.h" + +namespace Kernel { + +ClientSession::ClientSession() = default; +ClientSession::~ClientSession() { + // This destructor will be called automatically when the last ClientSession handle is closed by + // the emulated application. + + if (server_session->hle_handler) + server_session->hle_handler->ClientDisconnected(server_session); + + // TODO(Subv): If the session is still open, set the connection status to 2 (Closed by client), + // wake up all the ServerSession's waiting threads and set the WaitSynchronization result to + // 0xC920181A. +} + +ResultVal<SharedPtr<ClientSession>> ClientSession::Create(ServerSession* server_session, + std::string name) { + SharedPtr<ClientSession> client_session(new ClientSession); + + client_session->name = std::move(name); + client_session->server_session = server_session; + client_session->session_status = SessionStatus::Open; + return MakeResult<SharedPtr<ClientSession>>(std::move(client_session)); +} + +ResultCode ClientSession::SendSyncRequest() { + // Signal the server session that new data is available + return server_session->HandleSyncRequest(); +} + +} // namespace diff --git a/src/core/hle/kernel/client_session.h b/src/core/hle/kernel/client_session.h new file mode 100644 index 000000000..ed468dec6 --- /dev/null +++ b/src/core/hle/kernel/client_session.h @@ -0,0 +1,65 @@ +// Copyright 2016 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <memory> +#include <string> + +#include "common/common_types.h" + +#include "core/hle/kernel/kernel.h" + +namespace Kernel { + +class ServerSession; + +enum class SessionStatus { + Open = 1, + ClosedByClient = 2, + ClosedBYServer = 3, +}; + +class ClientSession final : public Object { +public: + friend class ServerSession; + + std::string GetTypeName() const override { + return "ClientSession"; + } + + std::string GetName() const override { + return name; + } + + static const HandleType HANDLE_TYPE = HandleType::ClientSession; + HandleType GetHandleType() const override { + return HANDLE_TYPE; + } + + /** + * Sends an SyncRequest from the current emulated thread. + * @return ResultCode of the operation. + */ + ResultCode SendSyncRequest(); + + std::string name; ///< Name of client port (optional) + ServerSession* server_session; ///< The server session associated with this client session. + SessionStatus session_status; ///< The session's current status. + +private: + ClientSession(); + ~ClientSession() override; + + /** + * Creates a client session. + * @param server_session The server session associated with this client session + * @param name Optional name of client session + * @return The created client session + */ + static ResultVal<SharedPtr<ClientSession>> Create(ServerSession* server_session, + std::string name = "Unknown"); +}; + +} // namespace diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 231cf7b75..0b811c5a7 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -31,22 +31,21 @@ enum KernelHandle : Handle { }; enum class HandleType : u32 { - Unknown = 0, - - Session = 2, - Event = 3, - Mutex = 4, - SharedMemory = 5, - Redirection = 6, - Thread = 7, - Process = 8, - AddressArbiter = 9, - Semaphore = 10, - Timer = 11, - ResourceLimit = 12, - CodeSet = 13, - ClientPort = 14, - ServerPort = 15, + Unknown, + Event, + Mutex, + SharedMemory, + Thread, + Process, + AddressArbiter, + Semaphore, + Timer, + ResourceLimit, + CodeSet, + ClientPort, + ServerPort, + ClientSession, + ServerSession, }; enum { @@ -82,23 +81,23 @@ public: */ bool IsWaitable() const { switch (GetHandleType()) { - case HandleType::Session: - case HandleType::ServerPort: case HandleType::Event: case HandleType::Mutex: case HandleType::Thread: case HandleType::Semaphore: case HandleType::Timer: + case HandleType::ServerPort: + case HandleType::ServerSession: return true; case HandleType::Unknown: case HandleType::SharedMemory: - case HandleType::Redirection: case HandleType::Process: case HandleType::AddressArbiter: case HandleType::ResourceLimit: case HandleType::CodeSet: case HandleType::ClientPort: + case HandleType::ClientSession: return false; } } diff --git a/src/core/hle/kernel/server_port.cpp b/src/core/hle/kernel/server_port.cpp index 8e3ec8a14..6c19aa7c0 100644 --- a/src/core/hle/kernel/server_port.cpp +++ b/src/core/hle/kernel/server_port.cpp @@ -24,12 +24,14 @@ void ServerPort::Acquire() { } std::tuple<SharedPtr<ServerPort>, SharedPtr<ClientPort>> ServerPort::CreatePortPair( - u32 max_sessions, std::string name) { + u32 max_sessions, std::string name, + std::shared_ptr<Service::SessionRequestHandler> hle_handler) { SharedPtr<ServerPort> server_port(new ServerPort); SharedPtr<ClientPort> client_port(new ClientPort); server_port->name = name + "_Server"; + server_port->hle_handler = std::move(hle_handler); client_port->name = name + "_Client"; client_port->server_port = server_port; client_port->max_sessions = max_sessions; diff --git a/src/core/hle/kernel/server_port.h b/src/core/hle/kernel/server_port.h index fa9448ca0..b0f8df62c 100644 --- a/src/core/hle/kernel/server_port.h +++ b/src/core/hle/kernel/server_port.h @@ -4,11 +4,16 @@ #pragma once +#include <memory> #include <string> #include <tuple> #include "common/common_types.h" #include "core/hle/kernel/kernel.h" +namespace Service { +class SessionRequestHandler; +} + namespace Kernel { class ClientPort; @@ -19,10 +24,13 @@ public: * Creates a pair of ServerPort and an associated ClientPort. * @param max_sessions Maximum number of sessions to the port * @param name Optional name of the ports + * @param hle_handler Optional HLE handler template for the port, + * ServerSessions crated from this port will inherit a reference to this handler. * @return The created port tuple */ static std::tuple<SharedPtr<ServerPort>, SharedPtr<ClientPort>> CreatePortPair( - u32 max_sessions, std::string name = "UnknownPort"); + u32 max_sessions, std::string name = "UnknownPort", + std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr); std::string GetTypeName() const override { return "ServerPort"; @@ -41,6 +49,10 @@ public: std::vector<SharedPtr<WaitObject>> pending_sessions; ///< ServerSessions waiting to be accepted by the port + /// This session's HLE request handler template (optional) + /// ServerSessions created from this port inherit a reference to this handler. + std::shared_ptr<Service::SessionRequestHandler> hle_handler; + bool ShouldWait() override; void Acquire() override; diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp new file mode 100644 index 000000000..146458c1c --- /dev/null +++ b/src/core/hle/kernel/server_session.cpp @@ -0,0 +1,79 @@ +// Copyright 2016 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <tuple> + +#include "core/hle/kernel/client_session.h" +#include "core/hle/kernel/server_session.h" +#include "core/hle/kernel/thread.h" + +namespace Kernel { + +ServerSession::ServerSession() = default; +ServerSession::~ServerSession() { + // This destructor will be called automatically when the last ServerSession handle is closed by + // the emulated application. + // TODO(Subv): Reduce the ClientPort's connection count, + // if the session is still open, set the connection status to 3 (Closed by server), +} + +ResultVal<SharedPtr<ServerSession>> ServerSession::Create( + std::string name, std::shared_ptr<Service::SessionRequestHandler> hle_handler) { + SharedPtr<ServerSession> server_session(new ServerSession); + + server_session->name = std::move(name); + server_session->signaled = false; + server_session->hle_handler = std::move(hle_handler); + + return MakeResult<SharedPtr<ServerSession>>(std::move(server_session)); +} + +bool ServerSession::ShouldWait() { + return !signaled; +} + +void ServerSession::Acquire() { + ASSERT_MSG(!ShouldWait(), "object unavailable!"); + signaled = false; +} + +ResultCode ServerSession::HandleSyncRequest() { + // The ServerSession received a sync request, this means that there's new data available + // from its ClientSession, so wake up any threads that may be waiting on a svcReplyAndReceive or + // similar. + + // If this ServerSession has an associated HLE handler, forward the request to it. + if (hle_handler != nullptr) { + // Attempt to translate the incoming request's command buffer. + ResultCode result = TranslateHLERequest(this); + if (result.IsError()) + return result; + hle_handler->HandleSyncRequest(SharedPtr<ServerSession>(this)); + // TODO(Subv): Translate the response command buffer. + } + + // If this ServerSession does not have an HLE implementation, just wake up the threads waiting + // on it. + signaled = true; + WakeupAllWaitingThreads(); + return RESULT_SUCCESS; +} + +ServerSession::SessionPair ServerSession::CreateSessionPair( + const std::string& name, std::shared_ptr<Service::SessionRequestHandler> hle_handler) { + auto server_session = + ServerSession::Create(name + "_Server", std::move(hle_handler)).MoveFrom(); + // We keep a non-owning pointer to the ServerSession in the ClientSession because we don't want + // to prevent the ServerSession's destructor from being called when the emulated + // application closes the last ServerSession handle. + auto client_session = ClientSession::Create(server_session.get(), name + "_Client").MoveFrom(); + + return std::make_tuple(std::move(server_session), std::move(client_session)); +} + +ResultCode TranslateHLERequest(ServerSession* server_session) { + // TODO(Subv): Implement this function once multiple concurrent processes are supported. + return RESULT_SUCCESS; +} +} diff --git a/src/core/hle/kernel/server_session.h b/src/core/hle/kernel/server_session.h new file mode 100644 index 000000000..458284a5d --- /dev/null +++ b/src/core/hle/kernel/server_session.h @@ -0,0 +1,94 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <string> +#include "common/assert.h" +#include "common/common_types.h" +#include "core/hle/kernel/kernel.h" +#include "core/hle/kernel/thread.h" +#include "core/hle/result.h" +#include "core/hle/service/service.h" +#include "core/memory.h" + +namespace Kernel { + +class ClientSession; + +/** + * Kernel object representing the server endpoint of an IPC session. Sessions are the basic CTR-OS + * primitive for communication between different processes, and are used to implement service calls + * to the various system services. + * + * To make a service call, the client must write the command header and parameters to the buffer + * located at offset 0x80 of the TLS (Thread-Local Storage) area, then execute a SendSyncRequest + * SVC call with its ClientSession handle. The kernel will read the command header, using it to + * marshall the parameters to the process at the server endpoint of the session. + * After the server replies to the request, the response is marshalled back to the caller's + * TLS buffer and control is transferred back to it. + */ +class ServerSession final : public WaitObject { +public: + std::string GetTypeName() const override { + return "ServerSession"; + } + + static const HandleType HANDLE_TYPE = HandleType::ServerSession; + HandleType GetHandleType() const override { + return HANDLE_TYPE; + } + + using SessionPair = std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>>; + + /** + * Creates a pair of ServerSession and an associated ClientSession. + * @param name Optional name of the ports + * @return The created session tuple + */ + static SessionPair CreateSessionPair( + const std::string& name = "Unknown", + std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr); + + /** + * Handle a sync request from the emulated application. + * @returns ResultCode from the operation. + */ + ResultCode HandleSyncRequest(); + + bool ShouldWait() override; + + void Acquire() override; + + std::string name; ///< The name of this session (optional) + bool signaled; ///< Whether there's new data available to this ServerSession + std::shared_ptr<Service::SessionRequestHandler> + hle_handler; ///< This session's HLE request handler (optional) + +private: + ServerSession(); + ~ServerSession() override; + + /** + * Creates a server session. The server session can have an optional HLE handler, + * which will be invoked to handle the IPC requests that this session receives. + * @param name Optional name of the server session. + * @param hle_handler Optional HLE handler for this server session. + * @return The created server session + */ + static ResultVal<SharedPtr<ServerSession>> Create( + std::string name = "Unknown", + std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr); +}; + +/** + * Performs command buffer translation for an HLE IPC request. + * The command buffer from the ServerSession thread's TLS is copied into a + * buffer and all descriptors in the buffer are processed. + * TODO(Subv): Implement this function, currently we do not support multiple processes running at + * once, but once that is implemented we'll need to properly translate all descriptors + * in the command buffer. + */ +ResultCode TranslateHLERequest(ServerSession* server_session); +} diff --git a/src/core/hle/result.h b/src/core/hle/result.h index 8d29117a8..53864a3a7 100644 --- a/src/core/hle/result.h +++ b/src/core/hle/result.h @@ -18,6 +18,7 @@ enum class ErrorDescription : u32 { Success = 0, WrongPermission = 46, OS_InvalidBufferDescriptor = 48, + MaxConnectionsReached = 52, WrongAddress = 53, FS_ArchiveNotMounted = 101, FS_FileNotFound = 112, diff --git a/src/core/hle/service/apt/apt.h b/src/core/hle/service/apt/apt.h index e6a8be870..80325361f 100644 --- a/src/core/hle/service/apt/apt.h +++ b/src/core/hle/service/apt/apt.h @@ -14,6 +14,9 @@ class Interface; namespace APT { +/// Each APT service can only have up to 2 sessions connected at the same time. +static const u32 MaxAPTSessions = 2; + /// Holds information about the parameters used in Send/Glance/ReceiveParameter struct MessageParameter { u32 sender_id = 0; diff --git a/src/core/hle/service/apt/apt_a.cpp b/src/core/hle/service/apt/apt_a.cpp index 6e35e1d29..62dc2d61d 100644 --- a/src/core/hle/service/apt/apt_a.cpp +++ b/src/core/hle/service/apt/apt_a.cpp @@ -102,7 +102,7 @@ const Interface::FunctionInfo FunctionTable[] = { {0x01050100, nullptr, "IsTitleAllowed"}, }; -APT_A_Interface::APT_A_Interface() { +APT_A_Interface::APT_A_Interface() : Interface(MaxAPTSessions) { Register(FunctionTable); } diff --git a/src/core/hle/service/apt/apt_s.cpp b/src/core/hle/service/apt/apt_s.cpp index 84019e6e5..effd23dce 100644 --- a/src/core/hle/service/apt/apt_s.cpp +++ b/src/core/hle/service/apt/apt_s.cpp @@ -102,7 +102,7 @@ const Interface::FunctionInfo FunctionTable[] = { {0x01050100, nullptr, "IsTitleAllowed"}, }; -APT_S_Interface::APT_S_Interface() { +APT_S_Interface::APT_S_Interface() : Interface(MaxAPTSessions) { Register(FunctionTable); } diff --git a/src/core/hle/service/apt/apt_u.cpp b/src/core/hle/service/apt/apt_u.cpp index a731c39f6..e06084a1e 100644 --- a/src/core/hle/service/apt/apt_u.cpp +++ b/src/core/hle/service/apt/apt_u.cpp @@ -99,7 +99,7 @@ const Interface::FunctionInfo FunctionTable[] = { {0x01020000, CheckNew3DS, "CheckNew3DS"}, }; -APT_U_Interface::APT_U_Interface() { +APT_U_Interface::APT_U_Interface() : Interface(MaxAPTSessions) { Register(FunctionTable); } diff --git a/src/core/hle/service/fs/archive.cpp b/src/core/hle/service/fs/archive.cpp index bef75f5df..f21934108 100644 --- a/src/core/hle/service/fs/archive.cpp +++ b/src/core/hle/service/fs/archive.cpp @@ -24,6 +24,7 @@ #include "core/file_sys/directory_backend.h" #include "core/file_sys/file_backend.h" #include "core/hle/hle.h" +#include "core/hle/kernel/client_session.h" #include "core/hle/result.h" #include "core/hle/service/fs/archive.h" #include "core/hle/service/fs/fs_user.h" @@ -93,7 +94,7 @@ File::File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& File::~File() {} -ResultVal<bool> File::SyncRequest() { +void File::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) { u32* cmd_buff = Kernel::GetCommandBuffer(); FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]); switch (cmd) { @@ -116,7 +117,7 @@ ResultVal<bool> File::SyncRequest() { ResultVal<size_t> read = backend->Read(offset, data.size(), data.data()); if (read.Failed()) { cmd_buff[1] = read.Code().raw; - return read.Code(); + return; } Memory::WriteBlock(address, data.data(), *read); cmd_buff[2] = static_cast<u32>(*read); @@ -137,7 +138,7 @@ ResultVal<bool> File::SyncRequest() { ResultVal<size_t> written = backend->Write(offset, data.size(), flush != 0, data.data()); if (written.Failed()) { cmd_buff[1] = written.Code().raw; - return written.Code(); + return; } cmd_buff[2] = static_cast<u32>(*written); break; @@ -173,7 +174,11 @@ ResultVal<bool> File::SyncRequest() { case FileCommand::OpenLinkFile: { LOG_WARNING(Service_FS, "(STUBBED) File command OpenLinkFile %s", GetName().c_str()); - cmd_buff[3] = Kernel::g_handle_table.Create(this).ValueOr(INVALID_HANDLE); + auto sessions = Kernel::ServerSession::CreateSessionPair(GetName(), shared_from_this()); + ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions)); + cmd_buff[3] = Kernel::g_handle_table + .Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions)) + .ValueOr(INVALID_HANDLE); break; } @@ -194,10 +199,9 @@ ResultVal<bool> File::SyncRequest() { LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd); ResultCode error = UnimplementedFunction(ErrorModule::FS); cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that. - return error; + return; } cmd_buff[1] = RESULT_SUCCESS.raw; // No error - return MakeResult<bool>(false); } Directory::Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, @@ -206,11 +210,10 @@ Directory::Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, Directory::~Directory() {} -ResultVal<bool> Directory::SyncRequest() { +void Directory::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) { u32* cmd_buff = Kernel::GetCommandBuffer(); DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]); switch (cmd) { - // Read from directory... case DirectoryCommand::Read: { u32 count = cmd_buff[1]; @@ -237,10 +240,9 @@ ResultVal<bool> Directory::SyncRequest() { LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd); ResultCode error = UnimplementedFunction(ErrorModule::FS); cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that. - return MakeResult<bool>(false); + return; } cmd_buff[1] = RESULT_SUCCESS.raw; // No error - return MakeResult<bool>(false); } //////////////////////////////////////////////////////////////////////////////////////////////////// @@ -307,9 +309,9 @@ ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factor return RESULT_SUCCESS; } -ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle, - const FileSys::Path& path, - const FileSys::Mode mode) { +ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle, + const FileSys::Path& path, + const FileSys::Mode mode) { ArchiveBackend* archive = GetArchive(archive_handle); if (archive == nullptr) return ERR_INVALID_ARCHIVE_HANDLE; @@ -318,8 +320,8 @@ ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_han if (backend.Failed()) return backend.Code(); - auto file = Kernel::SharedPtr<File>(new File(backend.MoveFrom(), path)); - return MakeResult<Kernel::SharedPtr<File>>(std::move(file)); + auto file = std::shared_ptr<File>(new File(backend.MoveFrom(), path)); + return MakeResult<std::shared_ptr<File>>(std::move(file)); } ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) { @@ -398,8 +400,8 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, } } -ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle, - const FileSys::Path& path) { +ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle, + const FileSys::Path& path) { ArchiveBackend* archive = GetArchive(archive_handle); if (archive == nullptr) return ERR_INVALID_ARCHIVE_HANDLE; @@ -408,8 +410,8 @@ ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle a if (backend.Failed()) return backend.Code(); - auto directory = Kernel::SharedPtr<Directory>(new Directory(backend.MoveFrom(), path)); - return MakeResult<Kernel::SharedPtr<Directory>>(std::move(directory)); + auto directory = std::shared_ptr<Directory>(new Directory(backend.MoveFrom(), path)); + return MakeResult<std::shared_ptr<Directory>>(std::move(directory)); } ResultVal<u64> GetFreeBytesInArchive(ArchiveHandle archive_handle) { diff --git a/src/core/hle/service/fs/archive.h b/src/core/hle/service/fs/archive.h index 87089bd92..7ba62ede0 100644 --- a/src/core/hle/service/fs/archive.h +++ b/src/core/hle/service/fs/archive.h @@ -8,7 +8,7 @@ #include <string> #include "common/common_types.h" #include "core/file_sys/archive_backend.h" -#include "core/hle/kernel/session.h" +#include "core/hle/kernel/server_session.h" #include "core/hle/result.h" namespace FileSys { @@ -43,33 +43,37 @@ enum class MediaType : u32 { NAND = 0, SDMC = 1, GameCard = 2 }; typedef u64 ArchiveHandle; -class File : public Kernel::Session { +class File final : public SessionRequestHandler, public std::enable_shared_from_this<File> { public: File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path); ~File(); - std::string GetName() const override { + std::string GetName() const { return "Path: " + path.DebugStr(); } - ResultVal<bool> SyncRequest() override; FileSys::Path path; ///< Path of the file u32 priority; ///< Priority of the file. TODO(Subv): Find out what this means std::unique_ptr<FileSys::FileBackend> backend; ///< File backend interface + +protected: + void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override; }; -class Directory : public Kernel::Session { +class Directory final : public SessionRequestHandler { public: Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path); ~Directory(); - std::string GetName() const override { + std::string GetName() const { return "Directory: " + path.DebugStr(); } - ResultVal<bool> SyncRequest() override; FileSys::Path path; ///< Path of the directory std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface + +protected: + void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override; }; /** @@ -99,11 +103,11 @@ ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factor * @param archive_handle Handle to an open Archive object * @param path Path to the File inside of the Archive * @param mode Mode under which to open the File - * @return The opened File object as a Session + * @return The opened File object */ -ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle, - const FileSys::Path& path, - const FileSys::Mode mode); +ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle, + const FileSys::Path& path, + const FileSys::Mode mode); /** * Delete a File from an Archive @@ -178,10 +182,10 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, * Open a Directory from an Archive * @param archive_handle Handle to an open Archive object * @param path Path to the Directory inside of the Archive - * @return The opened Directory object as a Session + * @return The opened Directory object */ -ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle, - const FileSys::Path& path); +ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle, + const FileSys::Path& path); /** * Get the free space in an Archive diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp index d6ab5b065..337da1387 100644 --- a/src/core/hle/service/fs/fs_user.cpp +++ b/src/core/hle/service/fs/fs_user.cpp @@ -8,6 +8,7 @@ #include "common/logging/log.h" #include "common/scope_exit.h" #include "common/string_util.h" +#include "core/hle/kernel/client_session.h" #include "core/hle/result.h" #include "core/hle/service/fs/archive.h" #include "core/hle/service/fs/fs_user.h" @@ -17,7 +18,7 @@ // Namespace FS_User using Kernel::SharedPtr; -using Kernel::Session; +using Kernel::ServerSession; namespace Service { namespace FS { @@ -67,10 +68,16 @@ static void OpenFile(Service::Interface* self) { LOG_DEBUG(Service_FS, "path=%s, mode=%u attrs=%u", file_path.DebugStr().c_str(), mode.hex, attributes); - ResultVal<SharedPtr<File>> file_res = OpenFileFromArchive(archive_handle, file_path, mode); + ResultVal<std::shared_ptr<File>> file_res = + OpenFileFromArchive(archive_handle, file_path, mode); cmd_buff[1] = file_res.Code().raw; if (file_res.Succeeded()) { - cmd_buff[3] = Kernel::g_handle_table.Create(*file_res).MoveFrom(); + std::shared_ptr<File> file = *file_res; + auto sessions = ServerSession::CreateSessionPair(file->GetName(), file); + file->ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions)); + cmd_buff[3] = Kernel::g_handle_table + .Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions)) + .MoveFrom(); } else { cmd_buff[3] = 0; LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str()); @@ -127,10 +134,16 @@ static void OpenFileDirectly(Service::Interface* self) { } SCOPE_EXIT({ CloseArchive(*archive_handle); }); - ResultVal<SharedPtr<File>> file_res = OpenFileFromArchive(*archive_handle, file_path, mode); + ResultVal<std::shared_ptr<File>> file_res = + OpenFileFromArchive(*archive_handle, file_path, mode); cmd_buff[1] = file_res.Code().raw; if (file_res.Succeeded()) { - cmd_buff[3] = Kernel::g_handle_table.Create(*file_res).MoveFrom(); + std::shared_ptr<File> file = *file_res; + auto sessions = ServerSession::CreateSessionPair(file->GetName(), file); + file->ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions)); + cmd_buff[3] = Kernel::g_handle_table + .Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions)) + .MoveFrom(); } else { cmd_buff[3] = 0; LOG_ERROR(Service_FS, "failed to get a handle for file %s mode=%u attributes=%u", @@ -388,10 +401,16 @@ static void OpenDirectory(Service::Interface* self) { LOG_DEBUG(Service_FS, "type=%u size=%u data=%s", static_cast<u32>(dirname_type), dirname_size, dir_path.DebugStr().c_str()); - ResultVal<SharedPtr<Directory>> dir_res = OpenDirectoryFromArchive(archive_handle, dir_path); + ResultVal<std::shared_ptr<Directory>> dir_res = + OpenDirectoryFromArchive(archive_handle, dir_path); cmd_buff[1] = dir_res.Code().raw; if (dir_res.Succeeded()) { - cmd_buff[3] = Kernel::g_handle_table.Create(*dir_res).MoveFrom(); + std::shared_ptr<Directory> directory = *dir_res; + auto sessions = ServerSession::CreateSessionPair(directory->GetName(), directory); + directory->ClientConnected(std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions)); + cmd_buff[3] = Kernel::g_handle_table + .Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions)) + .MoveFrom(); } else { LOG_ERROR(Service_FS, "failed to get a handle for directory type=%d size=%d data=%s", dirname_type, dirname_size, dir_path.DebugStr().c_str()); diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp index effecc043..2bc3fdc82 100644 --- a/src/core/hle/service/service.cpp +++ b/src/core/hle/service/service.cpp @@ -2,8 +2,12 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <boost/range/algorithm_ext/erase.hpp> + #include "common/logging/log.h" #include "common/string_util.h" + +#include "core/hle/kernel/server_port.h" #include "core/hle/service/ac_u.h" #include "core/hle/service/act_a.h" #include "core/hle/service/act_u.h" @@ -44,8 +48,8 @@ namespace Service { -std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_kernel_named_ports; -std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_srv_services; +std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_kernel_named_ports; +std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_srv_services; /** * Creates a function string for logging, complete with the name (or header code, depending @@ -64,7 +68,23 @@ static std::string MakeFunctionString(const char* name, const char* port_name, return function_string; } -ResultVal<bool> Interface::SyncRequest() { +void SessionRequestHandler::ClientConnected( + Kernel::SharedPtr<Kernel::ServerSession> server_session) { + connected_sessions.push_back(server_session); +} + +void SessionRequestHandler::ClientDisconnected( + Kernel::SharedPtr<Kernel::ServerSession> server_session) { + boost::range::remove_erase(connected_sessions, server_session); +} + +Interface::Interface(u32 max_sessions) : max_sessions(max_sessions) {} +Interface::~Interface() = default; + +void Interface::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) { + // TODO(Subv): Make use of the server_session in the HLE service handlers to distinguish which + // session triggered each command. + u32* cmd_buff = Kernel::GetCommandBuffer(); auto itr = m_functions.find(cmd_buff[0]); @@ -78,14 +98,12 @@ ResultVal<bool> Interface::SyncRequest() { // TODO(bunnei): Hack - ignore error cmd_buff[1] = 0; - return MakeResult<bool>(false); + return; } LOG_TRACE(Service, "%s", MakeFunctionString(itr->second.name, GetPortName().c_str(), cmd_buff).c_str()); itr->second.func(this); - - return MakeResult<bool>(false); // TODO: Implement return from actual function } void Interface::Register(const FunctionInfo* functions, size_t n) { @@ -100,11 +118,19 @@ void Interface::Register(const FunctionInfo* functions, size_t n) { // Module interface static void AddNamedPort(Interface* interface_) { - g_kernel_named_ports.emplace(interface_->GetPortName(), interface_); + auto ports = + Kernel::ServerPort::CreatePortPair(interface_->GetMaxSessions(), interface_->GetPortName(), + std::shared_ptr<Interface>(interface_)); + auto client_port = std::get<Kernel::SharedPtr<Kernel::ClientPort>>(ports); + g_kernel_named_ports.emplace(interface_->GetPortName(), std::move(client_port)); } void AddService(Interface* interface_) { - g_srv_services.emplace(interface_->GetPortName(), interface_); + auto ports = + Kernel::ServerPort::CreatePortPair(interface_->GetMaxSessions(), interface_->GetPortName(), + std::shared_ptr<Interface>(interface_)); + auto client_port = std::get<Kernel::SharedPtr<Kernel::ClientPort>>(ports); + g_srv_services.emplace(interface_->GetPortName(), std::move(client_port)); } /// Initialize ServiceManager diff --git a/src/core/hle/service/service.h b/src/core/hle/service/service.h index 29daacfc4..a7ba7688f 100644 --- a/src/core/hle/service/service.h +++ b/src/core/hle/service/service.h @@ -9,8 +9,15 @@ #include <unordered_map> #include <boost/container/flat_map.hpp> #include "common/common_types.h" -#include "core/hle/kernel/session.h" +#include "core/hle/ipc.h" +#include "core/hle/kernel/client_port.h" +#include "core/hle/kernel/thread.h" #include "core/hle/result.h" +#include "core/memory.h" + +namespace Kernel { +class ServerSession; +} //////////////////////////////////////////////////////////////////////////////////////////////////// // Namespace Service @@ -18,14 +25,63 @@ namespace Service { static const int kMaxPortSize = 8; ///< Maximum size of a port name (8 characters) +/// Arbitrary default number of maximum connections to an HLE service. +static const u32 DefaultMaxSessions = 10; + +/** + * Interface implemented by HLE Session handlers. + * This can be provided to a ServerSession in order to hook into several relevant events + * (such as a new connection or a SyncRequest) so they can be implemented in the emulator. + */ +class SessionRequestHandler { +public: + /** + * Handles a sync request from the emulated application. + * @param server_session The ServerSession that was triggered for this sync request, + * it should be used to differentiate which client (As in ClientSession) we're answering to. + * TODO(Subv): Use a wrapper structure to hold all the information relevant to + * this request (ServerSession, Originator thread, Translated command buffer, etc). + * @returns ResultCode the result code of the translate operation. + */ + virtual void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) = 0; + + /** + * Signals that a client has just connected to this HLE handler and keeps the + * associated ServerSession alive for the duration of the connection. + * @param server_session Owning pointer to the ServerSession associated with the connection. + */ + void ClientConnected(Kernel::SharedPtr<Kernel::ServerSession> server_session); + + /** + * Signals that a client has just disconnected from this HLE handler and releases the + * associated ServerSession. + * @param server_session ServerSession associated with the connection. + */ + void ClientDisconnected(Kernel::SharedPtr<Kernel::ServerSession> server_session); -/// Interface to a CTROS service -class Interface : public Kernel::Session { - // TODO(yuriks): An "Interface" being a Kernel::Object is mostly non-sense. Interface should be - // just something that encapsulates a session and acts as a helper to implement service - // processes. +protected: + /// List of sessions that are connected to this handler. + /// A ServerSession whose server endpoint is an HLE implementation is kept alive by this list + // for the duration of the connection. + std::vector<Kernel::SharedPtr<Kernel::ServerSession>> connected_sessions; +}; + +/** + * Framework for implementing HLE service handlers which dispatch incoming SyncRequests based on a + * table mapping header ids to handler functions. + */ +class Interface : public SessionRequestHandler { public: - std::string GetName() const override { + /** + * Creates an HLE interface with the specified max sessions. + * @param max_sessions Maximum number of sessions that can be + * connected to this service at the same time. + */ + Interface(u32 max_sessions = DefaultMaxSessions); + + virtual ~Interface(); + + std::string GetName() const { return GetPortName(); } @@ -33,6 +89,15 @@ public: version.raw = raw_version; } + /** + * Gets the maximum allowed number of sessions that can be connected to this service + * at the same time. + * @returns The maximum number of connections allowed. + */ + u32 GetMaxSessions() const { + return max_sessions; + } + typedef void (*Function)(Interface*); struct FunctionInfo { @@ -49,9 +114,9 @@ public: return "[UNKNOWN SERVICE PORT]"; } - ResultVal<bool> SyncRequest() override; - protected: + void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override; + /** * Registers the functions in the service */ @@ -71,6 +136,7 @@ protected: } version = {}; private: + u32 max_sessions; ///< Maximum number of concurrent sessions that this service can handle. boost::container::flat_map<u32, FunctionInfo> m_functions; }; @@ -81,9 +147,9 @@ void Init(); void Shutdown(); /// Map of named ports managed by the kernel, which can be retrieved using the ConnectToPort SVC. -extern std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_kernel_named_ports; +extern std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_kernel_named_ports; /// Map of services registered with the "srv:" service, retrieved using GetServiceHandle. -extern std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_srv_services; +extern std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_srv_services; /// Adds a service to the services table void AddService(Interface* interface_); diff --git a/src/core/hle/service/soc_u.cpp b/src/core/hle/service/soc_u.cpp index fd251fc0a..c3918cdd0 100644 --- a/src/core/hle/service/soc_u.cpp +++ b/src/core/hle/service/soc_u.cpp @@ -11,7 +11,7 @@ #include "common/common_types.h" #include "common/logging/log.h" #include "common/scope_exit.h" -#include "core/hle/kernel/session.h" +#include "core/hle/kernel/server_session.h" #include "core/hle/result.h" #include "core/hle/service/soc_u.h" #include "core/memory.h" diff --git a/src/core/hle/service/srv.cpp b/src/core/hle/service/srv.cpp index f8df38c42..3bd787147 100644 --- a/src/core/hle/service/srv.cpp +++ b/src/core/hle/service/srv.cpp @@ -2,9 +2,13 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <tuple> + #include "common/common_types.h" #include "common/logging/log.h" +#include "core/hle/kernel/client_session.h" #include "core/hle/kernel/event.h" +#include "core/hle/kernel/server_session.h" #include "core/hle/service/srv.h" namespace Service { @@ -79,7 +83,15 @@ static void GetServiceHandle(Interface* self) { auto it = Service::g_srv_services.find(port_name); if (it != Service::g_srv_services.end()) { - cmd_buff[3] = Kernel::g_handle_table.Create(it->second).MoveFrom(); + auto client_port = it->second; + + auto client_session = client_port->Connect(); + res = client_session.Code(); + + if (client_session.Succeeded()) { + // Return the client session + cmd_buff[3] = Kernel::g_handle_table.Create(*client_session).MoveFrom(); + } LOG_TRACE(Service_SRV, "called port=%s, handle=0x%08X", port_name.c_str(), cmd_buff[3]); } else { LOG_ERROR(Service_SRV, "(UNIMPLEMENTED) called port=%s", port_name.c_str()); diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp index c6b80dc50..e5ba9a484 100644 --- a/src/core/hle/svc.cpp +++ b/src/core/hle/svc.cpp @@ -13,6 +13,7 @@ #include "core/hle/function_wrappers.h" #include "core/hle/kernel/address_arbiter.h" #include "core/hle/kernel/client_port.h" +#include "core/hle/kernel/client_session.h" #include "core/hle/kernel/event.h" #include "core/hle/kernel/memory.h" #include "core/hle/kernel/mutex.h" @@ -20,6 +21,7 @@ #include "core/hle/kernel/resource_limit.h" #include "core/hle/kernel/semaphore.h" #include "core/hle/kernel/server_port.h" +#include "core/hle/kernel/server_session.h" #include "core/hle/kernel/shared_memory.h" #include "core/hle/kernel/thread.h" #include "core/hle/kernel/timer.h" @@ -222,20 +224,29 @@ static ResultCode ConnectToPort(Handle* out_handle, const char* port_name) { return ERR_NOT_FOUND; } - CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(it->second)); + auto client_port = it->second; + + SharedPtr<Kernel::ClientSession> client_session; + CASCADE_RESULT(client_session, client_port->Connect()); + + // Return the client session + CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(client_session)); return RESULT_SUCCESS; } -/// Synchronize to an OS service +/// Makes a blocking IPC call to an OS service. static ResultCode SendSyncRequest(Handle handle) { - SharedPtr<Kernel::Session> session = Kernel::g_handle_table.Get<Kernel::Session>(handle); + SharedPtr<Kernel::ClientSession> session = + Kernel::g_handle_table.Get<Kernel::ClientSession>(handle); if (session == nullptr) { return ERR_INVALID_HANDLE; } LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s)", handle, session->GetName().c_str()); - return session->SyncRequest().Code(); + // TODO(Subv): svcSendSyncRequest should put the caller thread to sleep while the server + // responds and cause a reschedule. + return session->SendSyncRequest(); } /// Close a handle |