mirror of
https://github.com/citra-emu/citra.git
synced 2024-12-19 09:31:07 +00:00
A bit of a redesign.
Sessions and Ports are now detached from each other. HLE services are handled by means of a SessionRequestHandler class, Interface now inherits from this class. The File and Directory classes are no longer kernel objects, but SessionRequestHandlers instead, bound to a ServerSession when requested. File::OpenLinkFile now creates a new session pair and binds the File instance to it.
This commit is contained in:
Subv
parent
c5e7e0fa26
commit
009b15b3aa
@ -14,21 +14,7 @@ namespace Kernel {
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ClientPort::ClientPort() {}
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ClientPort::~ClientPort() {}
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Kernel::SharedPtr<ClientPort> ClientPort::CreateForHLE(u32 max_sessions, std::shared_ptr<Service::Interface> hle_interface) {
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SharedPtr<ClientPort> client_port(new ClientPort);
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client_port->max_sessions = max_sessions;
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client_port->active_sessions = 0;
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client_port->name = hle_interface->GetPortName();
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client_port->hle_interface = std::move(hle_interface);
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return client_port;
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}
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void ClientPort::AddWaitingSession(SharedPtr<ServerSession> server_session) {
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// A port that has an associated HLE interface doesn't have a server port.
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if (hle_interface != nullptr)
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return;
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server_port->pending_sessions.push_back(server_session);
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// Wake the threads waiting on the ServerPort
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server_port->WakeupAllWaitingThreads();
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@ -22,14 +22,6 @@ class ClientPort final : public Object {
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public:
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friend class ServerPort;
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/**
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* Creates a serverless ClientPort that represents a bridge between the HLE implementation of a service/port and the emulated application.
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* @param max_sessions Maximum number of sessions that this port is able to handle concurrently.
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* @param hle_interface Interface object that implements the commands of the service.
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* @returns ClientPort for the given HLE interface.
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*/
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static Kernel::SharedPtr<ClientPort> CreateForHLE(u32 max_sessions, std::shared_ptr<Service::Interface> hle_interface);
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/**
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* Adds the specified server session to the queue of pending sessions of the associated ServerPort
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* @param server_session Server session to add to the queue
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@ -44,12 +36,10 @@ public:
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return HANDLE_TYPE;
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}
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SharedPtr<ServerPort> server_port = nullptr; ///< ServerPort associated with this client port.
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SharedPtr<ServerPort> server_port; ///< ServerPort associated with this client port.
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u32 max_sessions; ///< Maximum number of simultaneous sessions the port can have
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u32 active_sessions; ///< Number of currently open sessions to this port
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std::string name; ///< Name of client port (optional)
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std::shared_ptr<Service::Interface> hle_interface = nullptr; ///< HLE implementation of this port's request handler
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private:
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ClientPort();
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~ClientPort() override;
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@ -15,29 +15,17 @@ namespace Kernel {
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ClientSession::ClientSession() {}
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ClientSession::~ClientSession() {}
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ResultVal<SharedPtr<ClientSession>> ClientSession::Create(SharedPtr<ServerSession> server_session, SharedPtr<ClientPort> client_port, std::string name) {
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ResultVal<SharedPtr<ClientSession>> ClientSession::Create(SharedPtr<ServerSession> server_session, std::string name) {
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SharedPtr<ClientSession> client_session(new ClientSession);
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client_session->name = std::move(name);
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client_session->server_session = server_session;
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client_session->client_port = client_port;
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client_session->hle_helper = client_port->hle_interface;
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return MakeResult<SharedPtr<ClientSession>>(std::move(client_session));
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}
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ResultCode ClientSession::HandleSyncRequest() {
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// Signal the server session that new data is available
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ResultCode result = server_session->HandleSyncRequest();
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if (result.IsError())
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return result;
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// If this ClientSession has an associated HLE helper, forward the request to it.
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if (hle_helper != nullptr)
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result = hle_helper->HandleSyncRequest(server_session);
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return result;
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return server_session->HandleSyncRequest();
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}
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} // namespace
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@ -25,11 +25,10 @@ public:
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/**
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* Creates a client session.
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* @param server_session The server session associated with this client session
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* @param client_port The client port which this session is connected to
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* @param name Optional name of client session
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* @return The created client session
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*/
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static ResultVal<SharedPtr<ClientSession>> Create(SharedPtr<ServerSession> server_session, SharedPtr<ClientPort> client_port, std::string name = "Unknown");
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static ResultVal<SharedPtr<ClientSession>> Create(SharedPtr<ServerSession> server_session, std::string name = "Unknown");
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std::string GetTypeName() const override { return "ClientSession"; }
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std::string GetName() const override { return name; }
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@ -45,8 +44,6 @@ public:
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std::string name; ///< Name of client port (optional)
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SharedPtr<ServerSession> server_session; ///< The server session associated with this client session.
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SharedPtr<ClientPort> client_port; ///< The client port which this session is connected to.
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std::shared_ptr<Service::Interface> hle_helper = nullptr; ///< HLE implementation of this port's request handler
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private:
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ClientSession();
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@ -14,11 +14,12 @@ namespace Kernel {
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ServerSession::ServerSession() {}
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ServerSession::~ServerSession() {}
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ResultVal<SharedPtr<ServerSession>> ServerSession::Create(std::string name) {
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ResultVal<SharedPtr<ServerSession>> ServerSession::Create(std::string name, std::shared_ptr<Service::SessionRequestHandler> hle_handler) {
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SharedPtr<ServerSession> server_session(new ServerSession);
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server_session->name = std::move(name);
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server_session->signaled = false;
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server_session->hle_handler = hle_handler;
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return MakeResult<SharedPtr<ServerSession>>(std::move(server_session));
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}
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@ -34,23 +35,21 @@ void ServerSession::Acquire() {
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ResultCode ServerSession::HandleSyncRequest() {
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// The ServerSession received a sync request, this means that there's new data available
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// from one of its ClientSessions, so wake up any threads that may be waiting on a svcReplyAndReceive or similar.
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// from its ClientSession, so wake up any threads that may be waiting on a svcReplyAndReceive or similar.
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// If this ServerSession has an associated HLE handler, forward the request to it.
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if (hle_handler != nullptr)
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return hle_handler->HandleSyncRequest(SharedPtr<ServerSession>(this));
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// If this ServerSession does not have an HLE implementation, just wake up the threads waiting on it.
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signaled = true;
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WakeupAllWaitingThreads();
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return RESULT_SUCCESS;
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}
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SharedPtr<ClientSession> ServerSession::CreateClientSession() {
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// In Citra, some types of ServerSessions (File and Directory sessions) are not created as a pair of Server-Client sessions,
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// but are instead created as a single ServerSession, which then hands over a ClientSession on demand (When opening the File or Directory).
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// The real kernel (Or more specifically, the real FS service) does create the pair of Sessions at the same time (via svcCreateSession), and simply
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// stores the ClientSession until it is needed.
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return ClientSession::Create(SharedPtr<ServerSession>(this), nullptr, name + "Client").MoveFrom();
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}
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std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>> ServerSession::CreateSessionPair(SharedPtr<ClientPort> client_port, const std::string& name) {
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auto server_session = ServerSession::Create(name + "Server").MoveFrom();
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auto client_session = ClientSession::Create(server_session, client_port, name + "Client").MoveFrom();
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std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>> ServerSession::CreateSessionPair(const std::string& name, std::shared_ptr<Service::SessionRequestHandler> hle_handler) {
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auto server_session = ServerSession::Create(name + "Server", hle_handler).MoveFrom();
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auto client_session = ClientSession::Create(server_session, name + "Client").MoveFrom();
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return std::make_tuple(server_session, client_session);
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}
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@ -10,158 +10,11 @@
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/result.h"
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#include "core/hle/service/service.h"
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#include "core/memory.h"
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namespace IPC {
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enum DescriptorType : u32 {
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// Buffer related desciptors types (mask : 0x0F)
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StaticBuffer = 0x02,
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PXIBuffer = 0x04,
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MappedBuffer = 0x08,
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// Handle related descriptors types (mask : 0x30, but need to check for buffer related
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// descriptors first )
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CopyHandle = 0x00,
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MoveHandle = 0x10,
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CallingPid = 0x20,
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};
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/**
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* @brief Creates a command header to be used for IPC
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* @param command_id ID of the command to create a header for.
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* @param normal_params Size of the normal parameters in words. Up to 63.
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* @param translate_params_size Size of the translate parameters in words. Up to 63.
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* @return The created IPC header.
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*
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* Normal parameters are sent directly to the process while the translate parameters might go
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* through modifications and checks by the kernel.
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* The translate parameters are described by headers generated with the IPC::*Desc functions.
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*
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* @note While #normal_params is equivalent to the number of normal parameters,
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* #translate_params_size includes the size occupied by the translate parameters headers.
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*/
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constexpr u32 MakeHeader(u16 command_id, unsigned int normal_params,
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unsigned int translate_params_size) {
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return (u32(command_id) << 16) | ((u32(normal_params) & 0x3F) << 6) |
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(u32(translate_params_size) & 0x3F);
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}
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union Header {
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u32 raw;
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BitField<0, 6, u32> translate_params_size;
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BitField<6, 6, u32> normal_params;
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BitField<16, 16, u32> command_id;
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};
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inline Header ParseHeader(u32 header) {
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return {header};
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}
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constexpr u32 MoveHandleDesc(u32 num_handles = 1) {
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return MoveHandle | ((num_handles - 1) << 26);
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}
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constexpr u32 CopyHandleDesc(u32 num_handles = 1) {
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return CopyHandle | ((num_handles - 1) << 26);
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}
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constexpr u32 CallingPidDesc() {
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return CallingPid;
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}
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constexpr bool isHandleDescriptor(u32 descriptor) {
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return (descriptor & 0xF) == 0x0;
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}
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constexpr u32 HandleNumberFromDesc(u32 handle_descriptor) {
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return (handle_descriptor >> 26) + 1;
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}
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constexpr u32 StaticBufferDesc(u32 size, u8 buffer_id) {
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return StaticBuffer | (size << 14) | ((buffer_id & 0xF) << 10);
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}
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union StaticBufferDescInfo {
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u32 raw;
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BitField<10, 4, u32> buffer_id;
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BitField<14, 18, u32> size;
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};
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inline StaticBufferDescInfo ParseStaticBufferDesc(const u32 desc) {
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return {desc};
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}
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/**
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* @brief Creates a header describing a buffer to be sent over PXI.
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* @param size Size of the buffer. Max 0x00FFFFFF.
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* @param buffer_id The Id of the buffer. Max 0xF.
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* @param is_read_only true if the buffer is read-only. If false, the buffer is considered to have
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* read-write access.
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* @return The created PXI buffer header.
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*
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* The next value is a phys-address of a table located in the BASE memregion.
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*/
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inline u32 PXIBufferDesc(u32 size, unsigned buffer_id, bool is_read_only) {
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u32 type = PXIBuffer;
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if (is_read_only)
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type |= 0x2;
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return type | (size << 8) | ((buffer_id & 0xF) << 4);
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}
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enum MappedBufferPermissions {
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R = 1,
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W = 2,
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RW = R | W,
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};
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constexpr u32 MappedBufferDesc(u32 size, MappedBufferPermissions perms) {
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return MappedBuffer | (size << 4) | (u32(perms) << 1);
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}
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union MappedBufferDescInfo {
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u32 raw;
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BitField<4, 28, u32> size;
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BitField<1, 2, MappedBufferPermissions> perms;
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};
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inline MappedBufferDescInfo ParseMappedBufferDesc(const u32 desc) {
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return {desc};
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}
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inline DescriptorType GetDescriptorType(u32 descriptor) {
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// Note: Those checks must be done in this order
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if (isHandleDescriptor(descriptor))
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return (DescriptorType)(descriptor & 0x30);
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// handle the fact that the following descriptors can have rights
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if (descriptor & MappedBuffer)
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return MappedBuffer;
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if (descriptor & PXIBuffer)
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return PXIBuffer;
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return StaticBuffer;
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}
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} // namespace IPC
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namespace Kernel {
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static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header
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/**
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* Returns a pointer to the command buffer in the current thread's TLS
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* TODO(Subv): This is not entirely correct, the command buffer should be copied from
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* the thread's TLS to an intermediate buffer in kernel memory, and then copied again to
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* the service handler process' memory.
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* @param offset Optional offset into command buffer
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* @return Pointer to command buffer
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*/
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inline u32* GetCommandBuffer(const int offset = 0) {
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return (u32*)Memory::GetPointer(GetCurrentThread()->GetTLSAddress() + kCommandHeaderOffset +
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offset);
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}
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class ClientSession;
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class ClientPort;
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@ -183,11 +36,13 @@ public:
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~ServerSession() override;
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/**
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* Creates a server session.
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* @param name Optional name of the server session
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* Creates a server session. The server session can have an optional HLE handler,
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* which will be invoked to handle the IPC requests that this session receives.
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* @param name Optional name of the server session.
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* @param hle_handler Optional HLE handler for this server session.
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* @return The created server session
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*/
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static ResultVal<SharedPtr<ServerSession>> Create(std::string name = "Unknown");
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static ResultVal<SharedPtr<ServerSession>> Create(std::string name = "Unknown", std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr);
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std::string GetTypeName() const override { return "ServerSession"; }
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@ -196,17 +51,10 @@ public:
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/**
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* Creates a pair of ServerSession and an associated ClientSession.
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* @param client_port ClientPort to which the sessions are connected
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* @param name Optional name of the ports
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* @return The created session tuple
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*/
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static std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>> CreateSessionPair(SharedPtr<ClientPort> client_port, const std::string& name = "Unknown");
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/**
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* Creates a portless ClientSession and associates it with this ServerSession.
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* @returns ClientSession The newly created ClientSession.
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*/
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SharedPtr<ClientSession> CreateClientSession();
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static std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>> CreateSessionPair(const std::string& name = "Unknown", std::shared_ptr<Service::SessionRequestHandler> hle_handler = nullptr);
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/**
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* Handle a sync request from the emulated application.
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@ -221,5 +69,6 @@ public:
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std::string name; ///< The name of this session (optional)
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bool signaled; ///< Whether there's new data available to this ServerSession
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std::shared_ptr<Service::SessionRequestHandler> hle_handler; ///< This session's HLE request handler (optional)
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};
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}
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@ -23,10 +23,11 @@
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#include "core/file_sys/directory_backend.h"
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#include "core/file_sys/file_backend.h"
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#include "core/hle/hle.h"
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#include "core/hle/kernel/client_session.h"
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#include "core/hle/result.h"
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#include "core/hle/service/service.h"
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#include "core/hle/service/fs/archive.h"
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#include "core/hle/service/fs/fs_user.h"
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#include "core/hle/service/service.h"
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#include "core/memory.h"
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// Specializes std::hash for ArchiveIdCode, so that we can use it in std::unordered_map.
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@ -92,11 +93,10 @@ File::File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path&
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File::~File() {}
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ResultCode File::HandleSyncRequest() {
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ResultCode File::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
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switch (cmd) {
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// Read from file...
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case FileCommand::Read: {
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u64 offset = cmd_buff[1] | ((u64)cmd_buff[2]) << 32;
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@ -170,9 +170,11 @@ ResultCode File::HandleSyncRequest() {
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break;
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}
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case FileCommand::OpenLinkFile: {
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case FileCommand::OpenLinkFile:
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{
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LOG_WARNING(Service_FS, "(STUBBED) File command OpenLinkFile %s", GetName().c_str());
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cmd_buff[3] = Kernel::g_handle_table.Create(this).ValueOr(INVALID_HANDLE);
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auto sessions = Kernel::ServerSession::CreateSessionPair(GetName(), shared_from_this());
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cmd_buff[3] = Kernel::g_handle_table.Create(std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions)).ValueOr(INVALID_HANDLE);
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break;
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}
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@ -193,10 +195,10 @@ ResultCode File::HandleSyncRequest() {
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LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
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ResultCode error = UnimplementedFunction(ErrorModule::FS);
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cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
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return ServerSession::HandleSyncRequest();
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return RESULT_SUCCESS;
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}
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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return ServerSession::HandleSyncRequest();
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return RESULT_SUCCESS;
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}
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Directory::Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend,
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@ -205,11 +207,10 @@ Directory::Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend,
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Directory::~Directory() {}
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ResultCode Directory::HandleSyncRequest() {
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ResultCode Directory::HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
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switch (cmd) {
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// Read from directory...
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case DirectoryCommand::Read: {
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u32 count = cmd_buff[1];
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@ -236,10 +237,10 @@ ResultCode Directory::HandleSyncRequest() {
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LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
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ResultCode error = UnimplementedFunction(ErrorModule::FS);
|
||||
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
|
||||
return ServerSession::HandleSyncRequest();
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
|
||||
return ServerSession::HandleSyncRequest();
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
@ -306,7 +307,7 @@ ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factor
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
ResultVal<Kernel::SharedPtr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
|
||||
ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
|
||||
const FileSys::Path& path,
|
||||
const FileSys::Mode mode) {
|
||||
ArchiveBackend* archive = GetArchive(archive_handle);
|
||||
@ -317,8 +318,8 @@ 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) {
|
||||
@ -397,7 +398,7 @@ ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
|
||||
}
|
||||
}
|
||||
|
||||
ResultVal<Kernel::SharedPtr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
|
||||
ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
|
||||
const FileSys::Path& path) {
|
||||
ArchiveBackend* archive = GetArchive(archive_handle);
|
||||
if (archive == nullptr)
|
||||
@ -407,8 +408,8 @@ 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) {
|
||||
|
||||
@ -41,32 +41,32 @@ enum class MediaType : u32 { NAND = 0, SDMC = 1 };
|
||||
|
||||
typedef u64 ArchiveHandle;
|
||||
|
||||
class File : public Kernel::ServerSession {
|
||||
class File : 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();
|
||||
}
|
||||
|
||||
ResultCode HandleSyncRequest() override;
|
||||
ResultCode HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) 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
|
||||
};
|
||||
|
||||
class Directory : public Kernel::ServerSession {
|
||||
class Directory : 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();
|
||||
}
|
||||
|
||||
ResultCode HandleSyncRequest() override;
|
||||
ResultCode HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
|
||||
|
||||
FileSys::Path path; ///< Path of the directory
|
||||
std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface
|
||||
@ -99,9 +99,9 @@ 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,
|
||||
ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
|
||||
const FileSys::Path& path,
|
||||
const FileSys::Mode mode);
|
||||
|
||||
@ -178,9 +178,9 @@ 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,
|
||||
ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
|
||||
const FileSys::Path& path);
|
||||
|
||||
/**
|
||||
|
||||
@ -68,10 +68,12 @@ 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)->CreateClientSession()).MoveFrom();
|
||||
std::shared_ptr<File> file = *file_res;
|
||||
auto sessions = ServerSession::CreateSessionPair(file->GetName(), file);
|
||||
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());
|
||||
@ -128,10 +130,12 @@ 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)->CreateClientSession()).MoveFrom();
|
||||
std::shared_ptr<File> file = *file_res;
|
||||
auto sessions = ServerSession::CreateSessionPair(file->GetName(), file);
|
||||
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",
|
||||
@ -389,10 +393,12 @@ 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)->CreateClientSession()).MoveFrom();
|
||||
std::shared_ptr<Directory> directory = *dir_res;
|
||||
auto sessions = ServerSession::CreateSessionPair(directory->GetName(), directory);
|
||||
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());
|
||||
|
||||
@ -4,6 +4,9 @@
|
||||
|
||||
#include "common/logging/log.h"
|
||||
#include "common/string_util.h"
|
||||
|
||||
#include "core/hle/kernel/server_port.h"
|
||||
#include "core/hle/service/service.h"
|
||||
#include "core/hle/service/ac_u.h"
|
||||
#include "core/hle/service/act_a.h"
|
||||
#include "core/hle/service/act_u.h"
|
||||
@ -41,8 +44,8 @@
|
||||
|
||||
namespace Service {
|
||||
|
||||
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;
|
||||
std::unordered_map<std::string, std::tuple<Kernel::SharedPtr<Kernel::ClientPort>, std::shared_ptr<Interface>>> g_kernel_named_ports;
|
||||
std::unordered_map<std::string, std::tuple<Kernel::SharedPtr<Kernel::ClientPort>, std::shared_ptr<Interface>>> g_srv_services;
|
||||
|
||||
/**
|
||||
* Creates a function string for logging, complete with the name (or header code, depending
|
||||
@ -99,13 +102,15 @@ void Interface::Register(const FunctionInfo* functions, size_t n) {
|
||||
// Module interface
|
||||
|
||||
static void AddNamedPort(Interface* interface_) {
|
||||
auto client_port = Kernel::ClientPort::CreateForHLE(interface_->GetMaxSessions(), std::shared_ptr<Interface>(interface_));
|
||||
g_kernel_named_ports.emplace(interface_->GetPortName(), client_port);
|
||||
auto ports = Kernel::ServerPort::CreatePortPair(interface_->GetMaxSessions(), interface_->GetPortName());
|
||||
auto client_port = std::get<Kernel::SharedPtr<Kernel::ClientPort>>(ports);
|
||||
g_kernel_named_ports.emplace(interface_->GetPortName(), std::make_tuple(client_port, std::shared_ptr<Interface>(interface_)));
|
||||
}
|
||||
|
||||
void AddService(Interface* interface_) {
|
||||
auto client_port = Kernel::ClientPort::CreateForHLE(interface_->GetMaxSessions(), std::shared_ptr<Interface>(interface_));
|
||||
g_srv_services.emplace(interface_->GetPortName(), client_port);
|
||||
auto ports = Kernel::ServerPort::CreatePortPair(interface_->GetMaxSessions(), interface_->GetPortName());
|
||||
auto client_port = std::get<Kernel::SharedPtr<Kernel::ClientPort>>(ports);
|
||||
g_srv_services.emplace(interface_->GetPortName(), std::make_tuple(client_port, std::shared_ptr<Interface>(interface_)));
|
||||
}
|
||||
|
||||
/// Initialize ServiceManager
|
||||
|
||||
@ -10,8 +10,163 @@
|
||||
#include <boost/container/flat_map.hpp>
|
||||
#include "common/common_types.h"
|
||||
#include "core/hle/kernel/client_port.h"
|
||||
#include "core/hle/kernel/server_session.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
|
||||
@ -21,8 +176,22 @@ namespace Service {
|
||||
static const int kMaxPortSize = 8; ///< Maximum size of a port name (8 characters)
|
||||
static const u32 DefaultMaxSessions = 10; ///< Arbitrary default number of maximum connections to an HLE port
|
||||
|
||||
/// TODO(Subv): Write documentation for this class
|
||||
class SessionRequestHandler {
|
||||
public:
|
||||
/**
|
||||
* Dispatches and 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): Make a HandleSyncRequestParent function that is called from the outside and does { ReturnIfError(Translate()); HandleSyncRequest(); }
|
||||
* The Translate() function would copy the command buffer from the ServerSession thread's TLS into a temporary buffer, and pass it to HandleSyncRequest.
|
||||
* TODO(Subv): HandleSyncRequest's return type should be void.
|
||||
*/
|
||||
virtual ResultCode HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) = 0;
|
||||
};
|
||||
|
||||
/// Interface to a CTROS service
|
||||
class Interface {
|
||||
class Interface : public SessionRequestHandler {
|
||||
public:
|
||||
std::string GetName() const {
|
||||
return GetPortName();
|
||||
@ -56,7 +225,7 @@ public:
|
||||
return "[UNKNOWN SERVICE PORT]";
|
||||
}
|
||||
|
||||
ResultCode HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session);
|
||||
ResultCode HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
|
||||
|
||||
protected:
|
||||
/**
|
||||
@ -88,9 +257,9 @@ 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<Kernel::ClientPort>> g_kernel_named_ports;
|
||||
extern std::unordered_map<std::string, std::tuple<Kernel::SharedPtr<Kernel::ClientPort>, std::shared_ptr<Interface>>> g_kernel_named_ports;
|
||||
/// Map of services registered with the "srv:" service, retrieved using GetServiceHandle.
|
||||
extern std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_srv_services;
|
||||
extern std::unordered_map<std::string, std::tuple<Kernel::SharedPtr<Kernel::ClientPort>, std::shared_ptr<Interface>>> g_srv_services;
|
||||
|
||||
/// Adds a service to the services table
|
||||
void AddService(Interface* interface_);
|
||||
|
||||
@ -10,6 +10,7 @@
|
||||
#include "core/hle/kernel/client_session.h"
|
||||
#include "core/hle/kernel/event.h"
|
||||
#include "core/hle/service/srv.h"
|
||||
#include "core/hle/kernel/server_session.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Namespace SRV
|
||||
@ -85,13 +86,18 @@ static void GetServiceHandle(Service::Interface* self) {
|
||||
auto it = Service::g_srv_services.find(port_name);
|
||||
|
||||
if (it != Service::g_srv_services.end()) {
|
||||
auto client_port = it->second;
|
||||
auto client_port = std::get<Kernel::SharedPtr<Kernel::ClientPort>>(it->second);
|
||||
// The hle_handler will be nullptr if this port was registered by the emulated
|
||||
// application by means of srv:RegisterService.
|
||||
auto hle_handler = std::get<std::shared_ptr<Service::Interface>>(it->second);
|
||||
|
||||
// Create a new session pair
|
||||
auto sessions = Kernel::ServerSession::CreateSessionPair(client_port, port_name);
|
||||
auto sessions = Kernel::ServerSession::CreateSessionPair(port_name, hle_handler);
|
||||
auto client_session = std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions);
|
||||
auto server_session = std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions);
|
||||
|
||||
// TODO(Subv): Wait the current thread until the ServerPort calls AcceptSession.
|
||||
|
||||
// Add the server session to the port's queue
|
||||
client_port->AddWaitingSession(server_session);
|
||||
|
||||
|
||||
@ -21,6 +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"
|
||||
@ -223,13 +224,18 @@ static ResultCode ConnectToPort(Handle* out_handle, const char* port_name) {
|
||||
return ERR_NOT_FOUND;
|
||||
}
|
||||
|
||||
auto client_port = it->second;
|
||||
auto client_port = std::get<Kernel::SharedPtr<Kernel::ClientPort>>(it->second);
|
||||
// The hle_handler will be nullptr if this port was registered by the emulated
|
||||
// application by means of svcCreatePort with a defined name.
|
||||
auto hle_handler = std::get<std::shared_ptr<Service::Interface>>(it->second);
|
||||
|
||||
// Create a new session pair
|
||||
auto sessions = Kernel::ServerSession::CreateSessionPair(client_port, port_name);
|
||||
auto sessions = Kernel::ServerSession::CreateSessionPair(port_name, hle_handler);
|
||||
auto client_session = std::get<Kernel::SharedPtr<Kernel::ClientSession>>(sessions);
|
||||
auto server_session = std::get<Kernel::SharedPtr<Kernel::ServerSession>>(sessions);
|
||||
|
||||
// TODO(Subv): Wait the current thread until the ServerPort calls AcceptSession.
|
||||
|
||||
// Add the server session to the port's queue
|
||||
client_port->AddWaitingSession(server_session);
|
||||
|
||||
@ -247,6 +253,7 @@ static ResultCode SendSyncRequest(Handle handle) {
|
||||
|
||||
LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s)", handle, session->GetName().c_str());
|
||||
|
||||
// TODO(Subv): Wait the current thread and reschedule if this request is not going to be handled by HLE code.
|
||||
return session->HandleSyncRequest();
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user