- added HLE to connect to "srv:" service

- added a manager for keeping track of services/ports
- added a memory mapped region for memory accessed by HLE
- added HLE for GetThreadCommandBuffer function

src/core/hle/service/service.cpp

@@ -0,0 +1,115 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "common/common.h"
+#include "common/log.h"
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace Service
+
+namespace Service {
+
+Manager* g_manager = NULL;  ///< Service manager
+
+Manager::Manager() {
+}
+
+Manager::~Manager() {
+    for(Interface* service : m_services) {
+        DeleteService(service->GetPortName());
+    }
+}
+
+/// Add a service to the manager (does not create it though)
+void Manager::AddService(Interface* service) {
+    int index = m_services.size();
+    u32 new_uid = GetUIDFromIndex(index);
+
+    m_services.push_back(service);
+
+    m_port_map[service->GetPortName()] = new_uid;
+    service->m_uid = new_uid;
+}
+
+/// Removes a service from the manager, also frees memory
+void Manager::DeleteService(std::string port_name) {
+    auto service = FetchFromPortName(port_name);
+
+    m_services.erase(m_services.begin() + GetIndexFromUID(service->m_uid));
+    m_port_map.erase(port_name);
+
+    delete service;
+}
+
+/// Get a Service Interface from its UID
+Interface* Manager::FetchFromUID(u32 uid) {
+    int index = GetIndexFromUID(uid);
+    if (index < (int)m_services.size()) {
+        return m_services[index];
+    }
+    return NULL;
+}
+
+/// Get a Service Interface from its port
+Interface* Manager::FetchFromPortName(std::string port_name) {
+    auto itr = m_port_map.find(port_name);
+    if (itr == m_port_map.end()) {
+        return NULL;
+    }
+    return FetchFromUID(itr->second);
+}
+
+class Interface_SRV : public Interface {
+public:
+
+    Interface_SRV() {
+    }
+
+    ~Interface_SRV() {
+    }
+
+    /**
+     * Gets the string name used by CTROS for a service
+     * @return String name of service
+     */
+    std::string GetName() {
+        return "ServiceManager";
+    }
+
+    /**
+     * Gets the string name used by CTROS for a service
+     * @return Port name of service
+     */
+    std::string GetPortName() {
+        return "srv:";
+    }
+
+    /**
+     * Called when svcSendSyncRequest is called, loads command buffer and executes comand
+     * @return Return result of svcSendSyncRequest passed back to user app
+     */
+    Syscall::Result Sync() {
+        ERROR_LOG(HLE, "Unimplemented function ServiceManager::Sync");
+        return -1;
+    }
+
+};
+
+/// Initialize ServiceManager
+void Init() {
+    g_manager = new Manager;
+    g_manager->AddService(new Interface_SRV);
+    NOTICE_LOG(HLE, "ServiceManager initialized OK");
+}
+
+/// Shutdown ServiceManager
+void Shutdown() {
+    delete g_manager;
+    NOTICE_LOG(HLE, "ServiceManager shutdown OK");
+}
+
+
+}

src/core/hle/service/service.h

@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include <vector>
+#include <map>
 #include <string>
 
 #include "common/common_types.h"
@@ -14,10 +16,13 @@
 
 namespace Service {
 
-typedef s32 NativeUID;
+typedef s32 NativeUID;          ///< Native handle for a service
+
+class Manager;
 
 /// Interface to a CTROS service
 class Interface {
+    friend class Manager;
 public:
 
     virtual ~Interface() {
@@ -43,7 +48,7 @@ public:
      * Gets the string name used by CTROS for a service
      * @return Port name of service
      */
-    virtual std::string GetPort() {
+    virtual std::string GetPortName() {
         return "[UNKNOWN SERVICE PORT]";
     }
 
@@ -57,4 +62,52 @@ private:
     u32 m_uid;
 };
 
+/// Simple class to manage accessing services from ports and UID handles
+class Manager {
+
+public:
+    Manager();
+
+    ~Manager();
+
+    /// Add a service to the manager (does not create it though)
+    void AddService(Interface* service);
+
+    /// Removes a service from the manager (does not delete it though)
+    void DeleteService(std::string port_name);
+
+    /// Get a Service Interface from its UID
+    Interface* FetchFromUID(u32 uid);
+
+    /// Get a Service Interface from its port
+    Interface* FetchFromPortName(std::string port_name);
+
+private:
+
+    /// Convert an index into m_services vector into a UID
+    static u32 GetUIDFromIndex(const int index) {
+        return index | 0x10000000;
+    }
+
+    /// Convert a UID into an index into m_services
+    static int GetIndexFromUID(const u32 uid) {
+        return uid & 0x0FFFFFFF;
+    }
+
+    std::vector<Interface*>     m_services;
+    std::map<std::string, u32>  m_port_map;
+
+    DISALLOW_COPY_AND_ASSIGN(Manager);
+};
+
+/// Initialize ServiceManager
+void Init();
+
+/// Shutdown ServiceManager
+void Shutdown();
+
+
+extern Manager* g_manager; ///< Service manager
+
+
 } // namespace