141 lines
3.4 KiB
C++
141 lines
3.4 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include <vector>
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#include <map>
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#include <string>
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#include "common/common.h"
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#include "common/common_types.h"
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#include "core/hle/syscall.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace Service
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namespace Service {
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typedef s32 NativeUID; ///< Native handle for a service
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static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header
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class Manager;
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/// Interface to a CTROS service
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class Interface {
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friend class Manager;
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public:
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Interface() {
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}
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virtual ~Interface() {
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}
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/**
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* Gets the UID for the serice
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* @return UID of service in native format
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*/
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NativeUID GetUID() const {
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return (NativeUID)m_uid;
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}
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/**
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* Gets the string name used by CTROS for a service
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* @return Port name of service
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*/
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virtual std::string GetPortName() const {
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return "[UNKNOWN SERVICE PORT]";
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}
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/**
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* Called when svcSendSyncRequest is called, loads command buffer and executes comand
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* @return Return result of svcSendSyncRequest passed back to user app
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*/
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Syscall::Result Sync() {
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u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + kCommandHeaderOffset);
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auto itr = m_functions.find(cmd_buff[0]);
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if (itr == m_functions.end()) {
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ERROR_LOG(OSHLE, "Unknown/unimplemented function: port=%s, command=0x%08X!",
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GetPortName().c_str(), cmd_buff[0]);
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return -1;
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}
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if (itr->second.func == NULL) {
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ERROR_LOG(OSHLE, "Unimplemented function: port=%s, name=%s!",
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GetPortName().c_str(), itr->second.name.c_str());
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}
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itr->second.func();
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return 0; // TODO: Implement return from actual function
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}
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protected:
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/**
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* Registers the functions in the service
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*/
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void Register(const HLE::FunctionDef* functions, int len) {
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for (int i = 0; i < len; i++) {
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m_functions[functions[i].id] = functions[i];
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}
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}
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private:
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u32 m_uid;
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std::map<u32, HLE::FunctionDef> m_functions;
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DISALLOW_COPY_AND_ASSIGN(Interface);
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};
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/// Simple class to manage accessing services from ports and UID handles
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class Manager {
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public:
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Manager();
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~Manager();
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/// Add a service to the manager (does not create it though)
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void AddService(Interface* service);
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/// Removes a service from the manager (does not delete it though)
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void DeleteService(std::string port_name);
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/// Get a Service Interface from its UID
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Interface* FetchFromUID(u32 uid);
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/// Get a Service Interface from its port
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Interface* FetchFromPortName(std::string port_name);
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private:
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/// Convert an index into m_services vector into a UID
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static u32 GetUIDFromIndex(const int index) {
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return index | 0x10000000;
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}
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/// Convert a UID into an index into m_services
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static int GetIndexFromUID(const u32 uid) {
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return uid & 0x0FFFFFFF;
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}
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std::vector<Interface*> m_services;
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std::map<std::string, u32> m_port_map;
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DISALLOW_COPY_AND_ASSIGN(Manager);
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};
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/// Initialize ServiceManager
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void Init();
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/// Shutdown ServiceManager
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void Shutdown();
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extern Manager* g_manager; ///< Service manager
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} // namespace
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