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Use std::move where appropriate.

This commit is contained in:
Subv 2016-12-08 11:06:19 -05:00
parent c93c5a72bb
commit f9bcf89510
12 changed files with 187 additions and 177 deletions
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1
src/core/CMakeLists.txt
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@ -179,6 +179,7 @@ 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

162
src/core/hle/ipc.h Normal file
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@ -0,0 +1,162 @@
// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
#include "core/hle/kernel/thread.h"
#include "core/memory.h"
namespace Kernel {
class ServerSession;
// TODO(Subv): Move these declarations out of here
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 {
// Buffer related desciptors types (mask : 0x0F)
StaticBuffer = 0x02,
PXIBuffer = 0x04,
MappedBuffer = 0x08,
// Handle related descriptors types (mask : 0x30, but need to check for buffer related
// descriptors first )
CopyHandle = 0x00,
MoveHandle = 0x10,
CallingPid = 0x20,
};
/**
* @brief Creates a command header to be used for IPC
* @param command_id ID of the command to create a header for.
* @param normal_params Size of the normal parameters in words. Up to 63.
* @param translate_params_size Size of the translate parameters in words. Up to 63.
* @return The created IPC header.
*
* Normal parameters are sent directly to the process while the translate parameters might go
* through modifications and checks by the kernel.
* The translate parameters are described by headers generated with the IPC::*Desc functions.
*
* @note While #normal_params is equivalent to the number of normal parameters,
* #translate_params_size includes the size occupied by the translate parameters headers.
*/
constexpr u32 MakeHeader(u16 command_id, unsigned int normal_params,
unsigned int translate_params_size) {
return (u32(command_id) << 16) | ((u32(normal_params) & 0x3F) << 6) |
(u32(translate_params_size) & 0x3F);
}
union Header {
u32 raw;
BitField<0, 6, u32> translate_params_size;
BitField<6, 6, u32> normal_params;
BitField<16, 16, u32> command_id;
};
inline Header ParseHeader(u32 header) {
return {header};
}
constexpr u32 MoveHandleDesc(u32 num_handles = 1) {
return MoveHandle | ((num_handles - 1) << 26);
}
constexpr u32 CopyHandleDesc(u32 num_handles = 1) {
return CopyHandle | ((num_handles - 1) << 26);
}
constexpr u32 CallingPidDesc() {
return CallingPid;
}
constexpr bool isHandleDescriptor(u32 descriptor) {
return (descriptor & 0xF) == 0x0;
}
constexpr u32 HandleNumberFromDesc(u32 handle_descriptor) {
return (handle_descriptor >> 26) + 1;
}
constexpr u32 StaticBufferDesc(u32 size, u8 buffer_id) {
return StaticBuffer | (size << 14) | ((buffer_id & 0xF) << 10);
}
union StaticBufferDescInfo {
u32 raw;
BitField<10, 4, u32> buffer_id;
BitField<14, 18, u32> size;
};
inline StaticBufferDescInfo ParseStaticBufferDesc(const u32 desc) {
return {desc};
}
/**
* @brief Creates a header describing a buffer to be sent over PXI.
* @param size Size of the buffer. Max 0x00FFFFFF.
* @param buffer_id The Id of the buffer. Max 0xF.
* @param is_read_only true if the buffer is read-only. If false, the buffer is considered to have
* read-write access.
* @return The created PXI buffer header.
*
* The next value is a phys-address of a table located in the BASE memregion.
*/
inline u32 PXIBufferDesc(u32 size, unsigned buffer_id, bool is_read_only) {
u32 type = PXIBuffer;
if (is_read_only)
type |= 0x2;
return type | (size << 8) | ((buffer_id & 0xF) << 4);
}
enum MappedBufferPermissions {
R = 1,
W = 2,
RW = R | W,
};
constexpr u32 MappedBufferDesc(u32 size, MappedBufferPermissions perms) {
return MappedBuffer | (size << 4) | (u32(perms) << 1);
}
union MappedBufferDescInfo {
u32 raw;
BitField<4, 28, u32> size;
BitField<1, 2, MappedBufferPermissions> perms;
};
inline MappedBufferDescInfo ParseMappedBufferDesc(const u32 desc) {
return{ desc };
}
inline DescriptorType GetDescriptorType(u32 descriptor) {
// Note: Those checks must be done in this order
if (isHandleDescriptor(descriptor))
return (DescriptorType)(descriptor & 0x30);
// handle the fact that the following descriptors can have rights
if (descriptor & MappedBuffer)
return MappedBuffer;
if (descriptor & PXIBuffer)
return PXIBuffer;
return StaticBuffer;
}
} // namespace IPC

5
src/core/hle/kernel/client_port.cpp
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@ -15,6 +15,9 @@ 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) {
return ResultCode(ErrorDescription::MaxConnectionsReached,
ErrorModule::OS, ErrorSummary::WouldBlock,
@ -27,7 +30,7 @@ ResultVal<SharedPtr<ClientSession>> ClientPort::Connect() {
auto client_session = std::get<SharedPtr<ClientSession>>(sessions);
auto server_session = std::get<SharedPtr<ServerSession>>(sessions);
server_port->pending_sessions.push_back(server_session);
server_port->pending_sessions.push_back(std::move(server_session));
// Wake the threads waiting on the ServerPort
server_port->WakeupAllWaitingThreads();

2
src/core/hle/kernel/client_session.cpp
View File

@ -16,7 +16,7 @@ ResultVal<SharedPtr<ClientSession>> ClientSession::Create(SharedPtr<ServerSessio
SharedPtr<ClientSession> client_session(new ClientSession);
client_session->name = std::move(name);
client_session->server_session = server_session;
client_session->server_session = std::move(server_session);
return MakeResult<SharedPtr<ClientSession>>(std::move(client_session));
}

2
src/core/hle/kernel/server_port.cpp
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@ -30,7 +30,7 @@ std::tuple<SharedPtr<ServerPort>, SharedPtr<ClientPort>> ServerPort::CreatePortP
SharedPtr<ClientPort> client_port(new ClientPort);
server_port->name = name + "_Server";
server_port->hle_handler = hle_handler;
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;

7
src/core/hle/kernel/server_session.cpp
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@ -18,7 +18,7 @@ ResultVal<SharedPtr<ServerSession>> ServerSession::Create(std::string name, std:
server_session->name = std::move(name);
server_session->signaled = false;
server_session->hle_handler = hle_handler;
server_session->hle_handler = std::move(hle_handler);
return MakeResult<SharedPtr<ServerSession>>(std::move(server_session));
}
@ -46,8 +46,9 @@ ResultCode ServerSession::HandleSyncRequest() {
return RESULT_SUCCESS;
}
std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>> ServerSession::CreateSessionPair(const std::string& name, std::shared_ptr<Service::SessionRequestHandler> hle_handler) {
auto server_session = ServerSession::Create(name + "_Server", hle_handler).MoveFrom();
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();
auto client_session = ClientSession::Create(server_session, name + "_Client").MoveFrom();
return std::make_tuple(std::move(server_session), std::move(client_session));

4
src/core/hle/kernel/server_session.h
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@ -40,12 +40,14 @@ public:
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 std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>> CreateSessionPair(const std::string& name = "Unknown", std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr);
static SessionPair CreateSessionPair(const std::string& name = "Unknown", std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr);
/**
* Handle a sync request from the emulated application.

4
src/core/hle/service/fs/archive.h
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@ -41,7 +41,7 @@ enum class MediaType : u32 { NAND = 0, SDMC = 1 };
typedef u64 ArchiveHandle;
class File : public SessionRequestHandler, public std::enable_shared_from_this<File> {
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();
@ -58,7 +58,7 @@ protected:
void HandleSyncRequestImpl(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
};
class Directory : public SessionRequestHandler {
class Directory final : public SessionRequestHandler {
public:
Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path);
~Directory();

7
src/core/hle/service/service.cpp
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@ -84,6 +84,9 @@ ResultCode SessionRequestHandler::TranslateRequest(Kernel::SharedPtr<Kernel::Ser
return RESULT_SUCCESS;
}
Interface::~Interface() = default;
Interface::Interface(u32 max_sessions) : max_sessions(max_sessions) { }
void Interface::HandleSyncRequestImpl(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.
@ -123,14 +126,14 @@ static void AddNamedPort(Interface* 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(), client_port);
g_kernel_named_ports.emplace(interface_->GetPortName(), std::move(client_port));
}
void AddService(Interface* 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(), client_port);
g_srv_services.emplace(interface_->GetPortName(), std::move(client_port));
}
/// Initialize ServiceManager

159
src/core/hle/service/service.h
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@ -9,165 +9,12 @@
#include <unordered_map>
#include <boost/container/flat_map.hpp>
#include "common/common_types.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;
// TODO(Subv): Move these declarations out of here
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);
}
}
// TODO(Subv): Move this namespace out of here
namespace IPC {
enum DescriptorType : u32 {
// Buffer related desciptors types (mask : 0x0F)
StaticBuffer = 0x02,
PXIBuffer = 0x04,
MappedBuffer = 0x08,
// Handle related descriptors types (mask : 0x30, but need to check for buffer related
// descriptors first )
CopyHandle = 0x00,
MoveHandle = 0x10,
CallingPid = 0x20,
};
/**
* @brief Creates a command header to be used for IPC
* @param command_id ID of the command to create a header for.
* @param normal_params Size of the normal parameters in words. Up to 63.
* @param translate_params_size Size of the translate parameters in words. Up to 63.
* @return The created IPC header.
*
* Normal parameters are sent directly to the process while the translate parameters might go
* through modifications and checks by the kernel.
* The translate parameters are described by headers generated with the IPC::*Desc functions.
*
* @note While #normal_params is equivalent to the number of normal parameters,
* #translate_params_size includes the size occupied by the translate parameters headers.
*/
constexpr u32 MakeHeader(u16 command_id, unsigned int normal_params,
unsigned int translate_params_size) {
return (u32(command_id) << 16) | ((u32(normal_params) & 0x3F) << 6) |
(u32(translate_params_size) & 0x3F);
}
union Header {
u32 raw;
BitField<0, 6, u32> translate_params_size;
BitField<6, 6, u32> normal_params;
BitField<16, 16, u32> command_id;
};
inline Header ParseHeader(u32 header) {
return {header};
}
constexpr u32 MoveHandleDesc(u32 num_handles = 1) {
return MoveHandle | ((num_handles - 1) << 26);
}
constexpr u32 CopyHandleDesc(u32 num_handles = 1) {
return CopyHandle | ((num_handles - 1) << 26);
}
constexpr u32 CallingPidDesc() {
return CallingPid;
}
constexpr bool isHandleDescriptor(u32 descriptor) {
return (descriptor & 0xF) == 0x0;
}
constexpr u32 HandleNumberFromDesc(u32 handle_descriptor) {
return (handle_descriptor >> 26) + 1;
}
constexpr u32 StaticBufferDesc(u32 size, u8 buffer_id) {
return StaticBuffer | (size << 14) | ((buffer_id & 0xF) << 10);
}
union StaticBufferDescInfo {
u32 raw;
BitField<10, 4, u32> buffer_id;
BitField<14, 18, u32> size;
};
inline StaticBufferDescInfo ParseStaticBufferDesc(const u32 desc) {
return {desc};
}
/**
* @brief Creates a header describing a buffer to be sent over PXI.
* @param size Size of the buffer. Max 0x00FFFFFF.
* @param buffer_id The Id of the buffer. Max 0xF.
* @param is_read_only true if the buffer is read-only. If false, the buffer is considered to have
* read-write access.
* @return The created PXI buffer header.
*
* The next value is a phys-address of a table located in the BASE memregion.
*/
inline u32 PXIBufferDesc(u32 size, unsigned buffer_id, bool is_read_only) {
u32 type = PXIBuffer;
if (is_read_only)
type |= 0x2;
return type | (size << 8) | ((buffer_id & 0xF) << 4);
}
enum MappedBufferPermissions {
R = 1,
W = 2,
RW = R | W,
};
constexpr u32 MappedBufferDesc(u32 size, MappedBufferPermissions perms) {
return MappedBuffer | (size << 4) | (u32(perms) << 1);
}
union MappedBufferDescInfo {
u32 raw;
BitField<4, 28, u32> size;
BitField<1, 2, MappedBufferPermissions> perms;
};
inline MappedBufferDescInfo ParseMappedBufferDesc(const u32 desc) {
return{ desc };
}
inline DescriptorType GetDescriptorType(u32 descriptor) {
// Note: Those checks must be done in this order
if (isHandleDescriptor(descriptor))
return (DescriptorType)(descriptor & 0x30);
// handle the fact that the following descriptors can have rights
if (descriptor & MappedBuffer)
return MappedBuffer;
if (descriptor & PXIBuffer)
return PXIBuffer;
return StaticBuffer;
}
} // namespace IPC
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace Service
@ -220,9 +67,9 @@ public:
* @param max_sessions Maximum number of sessions that can be
* connected to this service at the same time.
*/
Interface(u32 max_sessions = DefaultMaxSessions) : max_sessions(max_sessions) { }
Interface(u32 max_sessions = DefaultMaxSessions);
virtual ~Interface() = default;
virtual ~Interface();
std::string GetName() const {
return GetPortName();

5
src/core/hle/service/srv.cpp
View File

@ -87,12 +87,7 @@ static void GetServiceHandle(Service::Interface* self) {
if (it != Service::g_srv_services.end()) {
auto client_port = it->second;
// Note: Threads do not wait for the server endpoint to call
// AcceptSession before returning from this call.
// Connect to the port and retrieve the client endpoint of the connection Session.
auto client_session = client_port->Connect();
res = client_session.Code();
if (client_session.Succeeded()) {

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

@ -226,19 +226,15 @@ static ResultCode ConnectToPort(Handle* out_handle, const char* port_name) {
auto client_port = it->second;
// Connect to the port and retrieve the client endpoint of the connection Session.
SharedPtr<Kernel::ClientSession> client_session;
CASCADE_RESULT(client_session, client_port->Connect());
// Note: Threads do not wait for the server endpoint to call
// AcceptSession before returning from this call.
// 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::ClientSession> session = Kernel::g_handle_table.Get<Kernel::ClientSession>(handle);
if (session == nullptr) {