Merge branch 'threading'

src/common/console_listener.cpp

@@ -259,14 +259,17 @@ void ConsoleListener::Log(LogTypes::LOG_LEVELS Level, const char *Text)
 
     switch (Level)
     {
+    case OS_LEVEL: // light yellow
+        Color = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
+        break;
     case NOTICE_LEVEL: // light green
         Color = FOREGROUND_GREEN | FOREGROUND_INTENSITY;
         break;
     case ERROR_LEVEL: // light red
         Color = FOREGROUND_RED | FOREGROUND_INTENSITY;
         break;
-    case WARNING_LEVEL: // light yellow
+    case WARNING_LEVEL: // light purple
-        Color = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
+        Color = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY;
         break;
     case INFO_LEVEL: // cyan
         Color = FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY;
@@ -278,15 +281,8 @@ void ConsoleListener::Log(LogTypes::LOG_LEVELS Level, const char *Text)
         Color = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
         break;
     }
-    if (strlen(Text) > 10)
-    {
-        // First 10 chars white
-        SetConsoleTextAttribute(hConsole, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY);
-        WriteConsole(hConsole, Text, 10, &cCharsWritten, NULL);
-        Text += 10;
-    }
     SetConsoleTextAttribute(hConsole, Color);
-    WriteConsole(hConsole, Text, (DWORD)strlen(Text), &cCharsWritten, NULL);
+    printf(Text);
 #else
     char ColorAttr[16] = "";
     char ResetAttr[16] = "";

src/common/log.h

@@ -7,11 +7,14 @@
 
 #define LOGGING
 
-#define    NOTICE_LEVEL  1  // VERY important information that is NOT errors. Like startup and OSReports.
+enum {
-#define    ERROR_LEVEL   2  // Critical errors 
+    OS_LEVEL,       // Printed by the emulated operating system
-#define    WARNING_LEVEL 3  // Something is suspicious.
+    NOTICE_LEVEL,   // VERY important information that is NOT errors. Like startup and OSReports.
-#define    INFO_LEVEL    4  // General information.
+    ERROR_LEVEL,    // Critical errors 
-#define    DEBUG_LEVEL   5  // Detailed debugging - might make things slow.
+    WARNING_LEVEL,  // Something is suspicious.
+    INFO_LEVEL,     // General information.
+    DEBUG_LEVEL,    // Detailed debugging - might make things slow.
+};
 
 namespace LogTypes
 {
@@ -70,6 +73,7 @@ enum LOG_TYPE {
 
 // FIXME: should this be removed?
 enum LOG_LEVELS {
+    LOS = OS_LEVEL,
     LNOTICE = NOTICE_LEVEL,
     LERROR = ERROR_LEVEL,
     LWARNING = WARNING_LEVEL,
@@ -82,8 +86,8 @@ enum LOG_LEVELS {
 
 }  // namespace
 
-void GenericLog(LOGTYPES_LEVELS level, LOGTYPES_TYPE type,
+void GenericLog(LOGTYPES_LEVELS level, LOGTYPES_TYPE type, const char*file, int line, 
-        const char *file, int line, const char *fmt, ...)
+    const char* function, const char* fmt, ...)
 #ifdef __GNUC__
         __attribute__((format(printf, 5, 6)))
 #endif
@@ -97,16 +101,19 @@ void GenericLog(LOGTYPES_LEVELS level, LOGTYPES_TYPE type,
 #endif // loglevel
 #endif // logging
 
-#ifdef GEKKO
+#ifdef _WIN32
-#define GENERIC_LOG(t, v, ...)
+#ifndef __func__
-#else
+#define __func__ __FUNCTION__
+#endif
+#endif
+
 // Let the compiler optimize this out
 #define GENERIC_LOG(t, v, ...) { \
     if (v <= MAX_LOGLEVEL) \
-        GenericLog(v, t, __FILE__, __LINE__, __VA_ARGS__); \
+        GenericLog(v, t, __FILE__, __LINE__, __func__, __VA_ARGS__); \
     }
-#endif
 
+#define OS_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LOS, __VA_ARGS__) } while (0)
 #define ERROR_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LERROR, __VA_ARGS__) } while (0)
 #define WARN_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LWARNING, __VA_ARGS__) } while (0)
 #define NOTICE_LOG(t,...) do { GENERIC_LOG(LogTypes::t, LogTypes::LNOTICE, __VA_ARGS__) } while (0)

src/common/log_manager.cpp

@@ -10,14 +10,16 @@
 #include "common/thread.h"
 #include "common/file_util.h"
 
-void GenericLog(LogTypes::LOG_LEVELS level, LogTypes::LOG_TYPE type, 
+void GenericLog(LogTypes::LOG_LEVELS level, LogTypes::LOG_TYPE type, const char* file, int line, 
-        const char *file, int line, const char* fmt, ...)
+    const char* function, const char* fmt, ...)
 {
     va_list args;
     va_start(args, fmt);
-    if (LogManager::GetInstance())
+
+    if (LogManager::GetInstance()) {
         LogManager::GetInstance()->Log(level, type,
-            file, line, fmt, args);
+            file, line, function, fmt, args);
+    }
     va_end(args);
 }
 
@@ -88,6 +90,8 @@ LogManager::LogManager()
             m_Log[i]->AddListener(m_debuggerLog);
 #endif
     }
+
+    m_consoleLog->Open();
 }
 
 LogManager::~LogManager()
@@ -107,8 +111,8 @@ LogManager::~LogManager()
     delete m_debuggerLog;
 }
 
-void LogManager::Log(LogTypes::LOG_LEVELS level, LogTypes::LOG_TYPE type, 
+void LogManager::Log(LogTypes::LOG_LEVELS level, LogTypes::LOG_TYPE type, const char* file, 
-    const char *file, int line, const char *format, va_list args)
+    int line, const char* function, const char *fmt, va_list args)
 {
     char temp[MAX_MSGLEN];
     char msg[MAX_MSGLEN * 2];
@@ -117,17 +121,15 @@ void LogManager::Log(LogTypes::LOG_LEVELS level, LogTypes::LOG_TYPE type,
     if (!log->IsEnabled() || level > log->GetLevel() || ! log->HasListeners())
         return;
 
-    CharArrayFromFormatV(temp, MAX_MSGLEN, format, args);
+    CharArrayFromFormatV(temp, MAX_MSGLEN, fmt, args);
 
-    static const char level_to_char[7] = "-NEWID";
+    static const char level_to_char[7] = "ONEWID";
-    sprintf(msg, "%s %s:%u %c[%s]: %s\n",
+    sprintf(msg, "%s %s:%u %c[%s] %s: %s\n", Common::Timer::GetTimeFormatted().c_str(), file, line, 
-        Common::Timer::GetTimeFormatted().c_str(),
+        level_to_char[(int)level], log->GetShortName(), function, temp);
-        file, line, level_to_char[(int)level],
+    
-        log->GetShortName(), temp);
 #ifdef ANDROID
     Host_SysMessage(msg);    
 #endif
-    printf(msg); // TODO(ShizZy): RemoveMe when I no longer need this
     log->Trigger(level, msg);
 }
 

src/common/log_manager.h

@@ -99,8 +99,8 @@ public:
 
     static u32 GetMaxLevel() { return MAX_LOGLEVEL;    }
 
-    void Log(LogTypes::LOG_LEVELS level, LogTypes::LOG_TYPE type, 
+    void Log(LogTypes::LOG_LEVELS level, LogTypes::LOG_TYPE type, const char* file, int line, 
-             const char *file, int line, const char *fmt, va_list args);
+        const char* function, const char *fmt, va_list args);
 
     void SetLogLevel(LogTypes::LOG_TYPE type, LogTypes::LOG_LEVELS level)
     {

src/core/CMakeLists.txt

@@ -34,12 +34,14 @@ set(SRCS    core.cpp
             hle/config_mem.cpp
             hle/coprocessor.cpp
             hle/svc.cpp
+            hle/kernel/event.cpp
             hle/kernel/kernel.cpp
             hle/kernel/mutex.cpp
             hle/kernel/thread.cpp
             hle/service/apt.cpp
             hle/service/gsp.cpp
             hle/service/hid.cpp
+            hle/service/ndm.cpp
             hle/service/service.cpp
             hle/service/srv.cpp
             hw/hw.cpp

src/core/arm/interpreter/armemu.cpp

@@ -4533,23 +4533,7 @@ ARMul_Emulate26 (ARMul_State * state)
             case 0xfd:
             case 0xfe:
             case 0xff:
-                if (instr == ARMul_ABORTWORD
-                    && state->AbortAddr == pc) {
-                    /* A prefetch abort.  */
-                    XScale_set_fsr_far (state,
-                                ARMul_CP15_R5_MMU_EXCPT,
-                                pc);
-                    ARMul_Abort (state,
-                             ARMul_PrefetchAbortV);
-                    break;
-                }
-                //sky_pref_t* pref = get_skyeye_pref();
-                //if(pref->user_mode_sim){
-                //    ARMul_OSHandleSWI (state, BITS (0, 23));
-                //    break;
-                //}
                 HLE::CallSVC(instr);
-                ARMul_Abort (state, ARMul_SWIV);
                 break;
             }
         }

src/core/core.cpp

@@ -9,6 +9,7 @@
 #include "core/core.h"
 #include "core/mem_map.h"
 #include "core/hw/hw.h"
+#include "core/hw/lcd.h"
 #include "core/arm/disassembler/arm_disasm.h"
 #include "core/arm/interpreter/arm_interpreter.h"
 
@@ -23,7 +24,7 @@ ARM_Interface*  g_sys_core  = NULL; ///< ARM11 system (OS) core
 /// Run the core CPU loop
 void RunLoop() {
     for (;;){
-        g_app_core->Run(100);
+        g_app_core->Run(LCD::kFrameTicks / 2);
         HW::Update();
         Kernel::Reschedule();
     }
@@ -31,9 +32,17 @@ void RunLoop() {
 
 /// Step the CPU one instruction
 void SingleStep() {
+    static int ticks = 0;
+
     g_app_core->Step();
-    HW::Update();
+    
-    Kernel::Reschedule();
+    if (ticks >= LCD::kFrameTicks / 2) {
+        HW::Update();
+        Kernel::Reschedule();
+        ticks = 0;
+    } else {
+        ticks++;
+    }
 }
 
 /// Halt the core

src/core/core.vcxproj

@@ -168,12 +168,14 @@
     <ClCompile Include="hle\config_mem.cpp" />
     <ClCompile Include="hle\coprocessor.cpp" />
     <ClCompile Include="hle\hle.cpp" />
+    <ClCompile Include="hle\kernel\event.cpp" />
     <ClCompile Include="hle\kernel\kernel.cpp" />
     <ClCompile Include="hle\kernel\mutex.cpp" />
     <ClCompile Include="hle\kernel\thread.cpp" />
     <ClCompile Include="hle\service\apt.cpp" />
     <ClCompile Include="hle\service\gsp.cpp" />
     <ClCompile Include="hle\service\hid.cpp" />
+    <ClCompile Include="hle\service\ndm.cpp" />
     <ClCompile Include="hle\service\service.cpp" />
     <ClCompile Include="hle\service\srv.cpp" />
     <ClCompile Include="hle\svc.cpp" />
@@ -217,12 +219,14 @@
     <ClInclude Include="hle\coprocessor.h" />
     <ClInclude Include="hle\function_wrappers.h" />
     <ClInclude Include="hle\hle.h" />
+    <ClInclude Include="hle\kernel\event.h" />
     <ClInclude Include="hle\kernel\kernel.h" />
     <ClInclude Include="hle\kernel\mutex.h" />
     <ClInclude Include="hle\kernel\thread.h" />
     <ClInclude Include="hle\service\apt.h" />
     <ClInclude Include="hle\service\gsp.h" />
     <ClInclude Include="hle\service\hid.h" />
+    <ClInclude Include="hle\service\ndm.h" />
     <ClInclude Include="hle\service\service.h" />
     <ClInclude Include="hle\service\srv.h" />
     <ClInclude Include="hle\svc.h" />

src/core/core.vcxproj.filters

@@ -165,6 +165,12 @@
     <ClCompile Include="arm\interpreter\armcopro.cpp">
       <Filter>arm\interpreter</Filter>
     </ClCompile>
+    <ClCompile Include="hle\kernel\event.cpp">
+      <Filter>hle\kernel</Filter>
+    </ClCompile>
+    <ClCompile Include="hle\service\ndm.cpp">
+      <Filter>hle\service</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="arm\disassembler\arm_disasm.h">
@@ -295,6 +301,12 @@
     <ClInclude Include="hle\kernel\mutex.h">
       <Filter>hle\kernel</Filter>
     </ClInclude>
+    <ClInclude Include="hle\kernel\event.h">
+      <Filter>hle\kernel</Filter>
+    </ClInclude>
+    <ClInclude Include="hle\service\ndm.h">
+      <Filter>hle\service</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Text Include="CMakeLists.txt" />

src/core/hle/config_mem.cpp

@@ -55,7 +55,7 @@ inline void Read(T &var, const u32 addr) {
         break;
 
     default:
-        ERROR_LOG(HLE, "unknown ConfigMem::Read%d @ 0x%08X", sizeof(var) * 8, addr);
+        ERROR_LOG(HLE, "unknown addr=0x%08X", addr);
     }
 }
 

src/core/hle/function_wrappers.h

@@ -627,6 +627,10 @@ template<void func(const char*)> void WrapV_C() {
     func(Memory::GetCharPointer(PARAM(0)));
 }
 
+template<void func(s64)> void WrapV_S64() {
+    func(((s64)PARAM(1) << 32) | PARAM(0));
+}
+
 template<void func(const char *, int)> void WrapV_CI() {
     func(Memory::GetCharPointer(PARAM(0)), PARAM(1));
 }
@@ -735,11 +739,17 @@ template<int func(void*, u32, u32, u32, u32, u32)> void WrapI_VUUUUU(){
 }
 
 template<int func(u32, s64)> void WrapI_US64() {
-    int retval = func(PARAM(0), PARAM64(1));
+    int retval = func(PARAM(0), (((u64)PARAM(3) << 32) | PARAM(2)));
     RETURN(retval);
 }
 
 template<int func(void*, void*, u32, u32, s64)> void WrapI_VVUUS64() {
-    int retval = func(Memory::GetPointer(PARAM(0)), Memory::GetPointer(PARAM(1)), PARAM(2), PARAM(3), PARAM(4));
+    int retval = func(Memory::GetPointer(PARAM(5)), Memory::GetPointer(PARAM(1)), PARAM(2), PARAM(3), (((u64)PARAM(4) << 32) | PARAM(0)));
+    RETURN(retval);
+}
+
+// TODO(bunne): Is this correct? Probably not
+template<int func(u32, u32, u32, u32, s64)> void WrapI_UUUUS64() {
+    int retval = func(PARAM(5), PARAM(1), PARAM(2), PARAM(3), (((u64)PARAM(4) << 32) | PARAM(0)));
     RETURN(retval);
 }

src/core/hle/hle.cpp

@@ -18,7 +18,7 @@ static std::vector<ModuleDef> g_module_db;
 const FunctionDef* GetSVCInfo(u32 opcode) {
     u32 func_num = opcode & 0xFFFFFF; // 8 bits
     if (func_num > 0xFF) {
-        ERROR_LOG(HLE,"Unknown SVC: 0x%02X", func_num); 
+        ERROR_LOG(HLE,"unknown svc=0x%02X", func_num); 
         return NULL;
     }
     return &g_module_db[0].func_table[func_num];
@@ -33,7 +33,7 @@ void CallSVC(u32 opcode) {
     if (info->func) {
         info->func();
     } else {
-        ERROR_LOG(HLE, "Unimplemented SVC function %s(..)", info->name.c_str());
+        ERROR_LOG(HLE, "unimplemented SVC function %s(..)", info->name.c_str());
     }
 }
 
@@ -43,7 +43,7 @@ void EatCycles(u32 cycles) {
 
 void ReSchedule(const char *reason) {
 #ifdef _DEBUG
-    _dbg_assert_msg_(HLE, reason != 0 && strlen(reason) < 256, "ReSchedule: Invalid or too long reason.");
+    _dbg_assert_msg_(HLE, reason != 0 && strlen(reason) < 256, "Reschedule: Invalid or too long reason.");
 #endif
     // TODO: ImplementMe
 }

src/core/hle/hle.h

@@ -10,7 +10,6 @@
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
 #define PARAM(n)        Core::g_app_core->GetReg(n)
-#define PARAM64(n)      (Core::g_app_core->GetReg(n) | ((u64)Core::g_app_core->GetReg(n + 1) << 32))
 #define RETURN(n)       Core::g_app_core->SetReg(0, n)
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////

src/core/hle/kernel/event.cpp

@@ -0,0 +1,126 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.  
+
+#include <map>
+#include <vector>
+
+#include "common/common.h"
+
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/event.h"
+
+namespace Kernel {
+
+class Event : public Object {
+public:
+    const char* GetTypeName() { return "Event"; }
+
+    static Kernel::HandleType GetStaticHandleType() {  return Kernel::HandleType::Event; }
+    Kernel::HandleType GetHandleType() const { return Kernel::HandleType::Event; }
+
+    ResetType intitial_reset_type;  ///< ResetType specified at Event initialization
+    ResetType reset_type;           ///< Current ResetType
+
+    bool locked;                    ///< Current locked state
+    bool permanent_locked;          ///< Hack - to set event permanent state (for easy passthrough)
+
+    /**
+     * Synchronize kernel object 
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
+     */
+    Result SyncRequest(bool* wait) {
+        // TODO(bunnei): ImplementMe
+        ERROR_LOG(KERNEL, "(UMIMPLEMENTED) call");
+        return 0;
+    }
+
+    /**
+     * Wait for kernel object to synchronize
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
+     */
+    Result WaitSynchronization(bool* wait) {
+        // TODO(bunnei): ImplementMe
+        *wait = locked;
+        if (reset_type != RESETTYPE_STICKY && !permanent_locked) {
+            locked = true;
+        }
+        return 0;
+    }
+};
+
+/**
+ * Changes whether an event is locked or not
+ * @param handle Handle to event to change
+ * @param locked Boolean locked value to set event
+ * @return Result of operation, 0 on success, otherwise error code
+ */
+Result SetEventLocked(const Handle handle, const bool locked) {
+    Event* evt = g_object_pool.GetFast<Event>(handle);
+    if (!evt) {
+        ERROR_LOG(KERNEL, "called with unknown handle=0x%08X", handle);
+        return -1;
+    }
+    if (!evt->permanent_locked) {
+        evt->locked = locked;
+    }
+    return 0;
+}
+
+/**
+ * Hackish function to set an events permanent lock state, used to pass through synch blocks
+ * @param handle Handle to event to change
+ * @param permanent_locked Boolean permanent locked value to set event
+ * @return Result of operation, 0 on success, otherwise error code
+ */
+Result SetPermanentLock(Handle handle, const bool permanent_locked) {
+    Event* evt = g_object_pool.GetFast<Event>(handle);
+    if (!evt) {
+        ERROR_LOG(KERNEL, "called with unknown handle=0x%08X", handle);
+        return -1;
+    }
+    evt->permanent_locked = permanent_locked;
+    return 0;
+}
+
+/**
+ * Clears an event
+ * @param handle Handle to event to clear
+ * @return Result of operation, 0 on success, otherwise error code
+ */
+Result ClearEvent(Handle handle) {
+    return SetEventLocked(handle, true);
+}
+
+/**
+ * Creates an event
+ * @param handle Reference to handle for the newly created mutex
+ * @param reset_type ResetType describing how to create event
+ * @return Newly created Event object
+ */
+Event* CreateEvent(Handle& handle, const ResetType reset_type) {
+    Event* evt = new Event;
+
+    handle = Kernel::g_object_pool.Create(evt);
+
+    evt->locked = true;
+    evt->permanent_locked = false;
+    evt->reset_type = evt->intitial_reset_type = reset_type;
+
+    return evt;
+}
+
+/**
+ * Creates an event
+ * @param reset_type ResetType describing how to create event
+ * @return Handle to newly created Event object
+ */
+Handle CreateEvent(const ResetType reset_type) {
+    Handle handle;
+    Event* evt = CreateEvent(handle, reset_type);
+    return handle;
+}
+
+} // namespace

src/core/hle/kernel/event.h

@@ -0,0 +1,44 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.  
+
+#pragma once
+
+#include "common/common_types.h"
+
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/svc.h"
+
+namespace Kernel {
+
+/**
+ * Changes whether an event is locked or not
+ * @param handle Handle to event to change
+ * @param locked Boolean locked value to set event
+ * @return Result of operation, 0 on success, otherwise error code
+ */
+Result SetEventLocked(const Handle handle, const bool locked);
+
+/**
+ * Hackish function to set an events permanent lock state, used to pass through synch blocks
+ * @param handle Handle to event to change
+ * @param permanent_locked Boolean permanent locked value to set event
+ * @return Result of operation, 0 on success, otherwise error code
+ */
+Result SetPermanentLock(Handle handle, const bool permanent_locked);
+
+/**
+ * Clears an event
+ * @param handle Handle to event to clear
+ * @return Result of operation, 0 on success, otherwise error code
+ */
+Result ClearEvent(Handle handle);
+
+/**
+ * Creates an event
+ * @param reset_type ResetType describing how to create event
+ * @return Handle to newly created Event object
+ */
+Handle CreateEvent(const ResetType reset_type);
+
+} // namespace

src/core/hle/kernel/kernel.h

@@ -11,6 +11,11 @@ typedef s32 Result;
 
 namespace Kernel {
 
+enum KernelHandle {
+    CurrentThread   = 0xFFFF8000,
+    CurrentProcess  = 0xFFFF8001,
+};
+
 enum class HandleType : u32 {
     Unknown         = 0,
     Port            = 1,
@@ -42,6 +47,21 @@ public:
     virtual const char *GetTypeName() { return "[BAD KERNEL OBJECT TYPE]"; }
     virtual const char *GetName() { return "[UNKNOWN KERNEL OBJECT]"; }
     virtual Kernel::HandleType GetHandleType() const = 0;
+
+    /**
+     * Synchronize kernel object 
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
+     */
+    virtual Result SyncRequest(bool* wait) = 0;
+
+    /**
+     * Wait for kernel object to synchronize
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
+     */
+    virtual Result WaitSynchronization(bool* wait) = 0;
+
 };
 
 class ObjectPool : NonCopyable {

src/core/hle/kernel/mutex.cpp

@@ -8,6 +8,7 @@
 #include "common/common.h"
 
 #include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/mutex.h"
 #include "core/hle/kernel/thread.h"
 
 namespace Kernel {
@@ -23,6 +24,28 @@ public:
     bool locked;                                ///< Current locked state
     Handle lock_thread;                         ///< Handle to thread that currently has mutex
     std::vector<Handle> waiting_threads;        ///< Threads that are waiting for the mutex
+
+    /**
+     * Synchronize kernel object 
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
+     */
+    Result SyncRequest(bool* wait) {
+        // TODO(bunnei): ImplementMe
+        locked = true;
+        return 0;
+    }
+
+    /**
+     * Wait for kernel object to synchronize
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
+     */
+    Result WaitSynchronization(bool* wait) {
+        // TODO(bunnei): ImplementMe
+        *wait = locked;
+        return 0;
+    }
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -70,10 +93,11 @@ bool ReleaseMutexForThread(Mutex* mutex, Handle thread) {
 bool ReleaseMutex(Mutex* mutex) {
     MutexEraseLock(mutex);
     bool woke_threads = false;
-    auto iter = mutex->waiting_threads.begin();
+    std::vector<Handle>::iterator iter;
 
     // Find the next waiting thread for the mutex...
     while (!woke_threads && !mutex->waiting_threads.empty()) {
+        iter = mutex->waiting_threads.begin();
         woke_threads |= ReleaseMutexForThread(mutex, *iter);
         mutex->waiting_threads.erase(iter);
     }
@@ -91,6 +115,9 @@ bool ReleaseMutex(Mutex* mutex) {
  */
 Result ReleaseMutex(Handle handle) {
     Mutex* mutex = Kernel::g_object_pool.GetFast<Mutex>(handle);
+
+    _assert_msg_(KERNEL, mutex, "ReleaseMutex tried to release a NULL mutex!");
+
     if (!ReleaseMutex(mutex)) {
         return -1;
     }
@@ -101,6 +128,7 @@ Result ReleaseMutex(Handle handle) {
  * Creates a mutex
  * @param handle Reference to handle for the newly created mutex
  * @param initial_locked Specifies if the mutex should be locked initially
+ * @return Pointer to new Mutex object
  */
 Mutex* CreateMutex(Handle& handle, bool initial_locked) {
     Mutex* mutex = new Mutex;

src/core/hle/kernel/mutex.h

@@ -13,13 +13,14 @@ namespace Kernel {
 /**
  * Releases a mutex
  * @param handle Handle to mutex to release
+ * @return Result of operation, 0 on success, otherwise error code
  */
 Result ReleaseMutex(Handle handle);
 
 /**
  * Creates a mutex
- * @param handle Reference to handle for the newly created mutex
  * @param initial_locked Specifies if the mutex should be locked initially
+ * @return Handle to newly created object
  */
 Handle CreateMutex(bool initial_locked);
 

src/core/hle/kernel/thread.cpp

@@ -36,6 +36,26 @@ public:
     inline bool IsWaiting() const { return (status & THREADSTATUS_WAIT) != 0; }
     inline bool IsSuspended() const { return (status & THREADSTATUS_SUSPEND) != 0; }
 
+    /**
+     * Synchronize kernel object 
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
+     */
+    Result SyncRequest(bool* wait) {
+        // TODO(bunnei): ImplementMe
+        return 0;
+    }
+
+    /**
+     * Wait for kernel object to synchronize
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
+     */
+    Result WaitSynchronization(bool* wait) {
+        // TODO(bunnei): ImplementMe
+        return 0;
+    }
+
     ThreadContext context;
 
     u32 status;
@@ -303,11 +323,29 @@ void Reschedule() {
     Thread* prev = GetCurrentThread();
     Thread* next = NextThread();
     if (next > 0) {
+        INFO_LOG(KERNEL, "context switch 0x%08X -> 0x%08X", prev->GetHandle(), next->GetHandle());
+
         SwitchContext(next);
 
         // Hack - automatically change previous thread (which would have been in "wait" state) to
         // "ready" state, so that we can immediately resume to it when new thread yields. FixMe to
         // actually wait for whatever event it is supposed to be waiting on.
+
+        ChangeReadyState(prev, true);
+    } else {
+        INFO_LOG(KERNEL, "no ready threads, staying on 0x%08X", prev->GetHandle());
+
+        // Hack - no other threads are available, so decrement current PC to the last instruction, 
+        // and then resume current thread. This should always be called on a blocking instruction 
+        // (e.g. svcWaitSynchronization), and the result should be that the instruction is repeated
+        // until it no longer blocks. 
+
+        // TODO(bunnei): A better solution: Have the CPU switch to an idle thread
+
+        ThreadContext ctx;
+        SaveContext(ctx);
+        ctx.pc -= 4;
+        LoadContext(ctx);
         ChangeReadyState(prev, true);
     }
 }

src/core/hle/service/apt.cpp

@@ -6,6 +6,7 @@
 #include "common/common.h"
 
 #include "core/hle/hle.h"
+#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/mutex.h"
 #include "core/hle/service/apt.h"
 
@@ -15,7 +16,16 @@
 namespace APT_U {
 
 void Initialize(Service::Interface* self) {
-    NOTICE_LOG(OSHLE, "APT_U::Sync - Initialize");
+    u32* cmd_buff = Service::GetCommandBuffer();
+    DEBUG_LOG(KERNEL, "called");
+    
+    cmd_buff[3] = Kernel::CreateEvent(RESETTYPE_ONESHOT); // APT menu event handle
+    cmd_buff[4] = Kernel::CreateEvent(RESETTYPE_ONESHOT); // APT pause event handle
+
+    Kernel::SetEventLocked(cmd_buff[3], true);
+    Kernel::SetEventLocked(cmd_buff[4], false); // Fire start event
+
+    cmd_buff[1] = 0; // No error
 }
 
 void GetLockHandle(Service::Interface* self) {
@@ -23,88 +33,103 @@ void GetLockHandle(Service::Interface* self) {
     u32 flags = cmd_buff[1]; // TODO(bunnei): Figure out the purpose of the flag field
     cmd_buff[1] = 0; // No error
     cmd_buff[5] = Kernel::CreateMutex(false);
-    DEBUG_LOG(KERNEL, "APT_U::GetLockHandle called : created handle 0x%08X", cmd_buff[5]);
+    DEBUG_LOG(KERNEL, "called handle=0x%08X", cmd_buff[5]);
+}
+
+void Enable(Service::Interface* self) {
+    u32* cmd_buff = Service::GetCommandBuffer();
+    u32 unk = cmd_buff[1]; // TODO(bunnei): What is this field used for?
+    cmd_buff[1] = 0; // No error
+    ERROR_LOG(KERNEL, "(UNIMPEMENTED) called unk=0x%08X", unk);
+}
+
+void InquireNotification(Service::Interface* self) {
+    u32* cmd_buff = Service::GetCommandBuffer();
+    u32 app_id = cmd_buff[2];
+    cmd_buff[1] = 0; // No error
+    cmd_buff[3] = 0; // Signal type
+    ERROR_LOG(KERNEL, "(UNIMPEMENTED) called app_id=0x%08X", app_id);
 }
 
 const Interface::FunctionInfo FunctionTable[] = {
-    {0x00010040, GetLockHandle, "GetLockHandle"},
+    {0x00010040, GetLockHandle,         "GetLockHandle"},
-    {0x00020080, Initialize,    "Initialize"},
+    {0x00020080, Initialize,            "Initialize"},
-    {0x00030040, NULL,          "Enable"},
+    {0x00030040, Enable,                "Enable"},
-    {0x00040040, NULL,          "Finalize"},
+    {0x00040040, NULL,                  "Finalize"},
-    {0x00050040, NULL,          "GetAppletManInfo"},
+    {0x00050040, NULL,                  "GetAppletManInfo"},
-    {0x00060040, NULL,          "GetAppletInfo"},
+    {0x00060040, NULL,                  "GetAppletInfo"},
-    {0x00070000, NULL,          "GetLastSignaledAppletId"},
+    {0x00070000, NULL,                  "GetLastSignaledAppletId"},
-    {0x00080000, NULL,          "CountRegisteredApplet"},
+    {0x00080000, NULL,                  "CountRegisteredApplet"},
-    {0x00090040, NULL,          "IsRegistered"},
+    {0x00090040, NULL,                  "IsRegistered"},
-    {0x000A0040, NULL,          "GetAttribute"},
+    {0x000A0040, NULL,                  "GetAttribute"},
-    {0x000B0040, NULL,          "InquireNotification"},
+    {0x000B0040, InquireNotification,   "InquireNotification"},
-    {0x000C0104, NULL,          "SendParameter"},
+    {0x000C0104, NULL,                  "SendParameter"},
-    {0x000D0080, NULL,          "ReceiveParameter"},
+    {0x000D0080, NULL,                  "ReceiveParameter"},
-    {0x000E0080, NULL,          "GlanceParameter"},
+    {0x000E0080, NULL,                  "GlanceParameter"},
-    {0x000F0100, NULL,          "CancelParameter"},
+    {0x000F0100, NULL,                  "CancelParameter"},
-    {0x001000C2, NULL,          "DebugFunc"},
+    {0x001000C2, NULL,                  "DebugFunc"},
-    {0x001100C0, NULL,          "MapProgramIdForDebug"},
+    {0x001100C0, NULL,                  "MapProgramIdForDebug"},
-    {0x00120040, NULL,          "SetHomeMenuAppletIdForDebug"},
+    {0x00120040, NULL,                  "SetHomeMenuAppletIdForDebug"},
-    {0x00130000, NULL,          "GetPreparationState"},
+    {0x00130000, NULL,                  "GetPreparationState"},
-    {0x00140040, NULL,          "SetPreparationState"},
+    {0x00140040, NULL,                  "SetPreparationState"},
-    {0x00150140, NULL,          "PrepareToStartApplication"},
+    {0x00150140, NULL,                  "PrepareToStartApplication"},
-    {0x00160040, NULL,          "PreloadLibraryApplet"},
+    {0x00160040, NULL,                  "PreloadLibraryApplet"},
-    {0x00170040, NULL,          "FinishPreloadingLibraryApplet"},
+    {0x00170040, NULL,                  "FinishPreloadingLibraryApplet"},
-    {0x00180040, NULL,          "PrepareToStartLibraryApplet"},
+    {0x00180040, NULL,                  "PrepareToStartLibraryApplet"},
-    {0x00190040, NULL,          "PrepareToStartSystemApplet"},
+    {0x00190040, NULL,                  "PrepareToStartSystemApplet"},
-    {0x001A0000, NULL,          "PrepareToStartNewestHomeMenu"},
+    {0x001A0000, NULL,                  "PrepareToStartNewestHomeMenu"},
-    {0x001B00C4, NULL,          "StartApplication"},
+    {0x001B00C4, NULL,                  "StartApplication"},
-    {0x001C0000, NULL,          "WakeupApplication"},
+    {0x001C0000, NULL,                  "WakeupApplication"},
-    {0x001D0000, NULL,          "CancelApplication"},
+    {0x001D0000, NULL,                  "CancelApplication"},
-    {0x001E0084, NULL,          "StartLibraryApplet"},
+    {0x001E0084, NULL,                  "StartLibraryApplet"},
-    {0x001F0084, NULL,          "StartSystemApplet"},
+    {0x001F0084, NULL,                  "StartSystemApplet"},
-    {0x00200044, NULL,          "StartNewestHomeMenu"},
+    {0x00200044, NULL,                  "StartNewestHomeMenu"},
-    {0x00210000, NULL,          "OrderToCloseApplication"},
+    {0x00210000, NULL,                  "OrderToCloseApplication"},
-    {0x00220040, NULL,          "PrepareToCloseApplication"},
+    {0x00220040, NULL,                  "PrepareToCloseApplication"},
-    {0x00230040, NULL,          "PrepareToJumpToApplication"},
+    {0x00230040, NULL,                  "PrepareToJumpToApplication"},
-    {0x00240044, NULL,          "JumpToApplication"},
+    {0x00240044, NULL,                  "JumpToApplication"},
-    {0x002500C0, NULL,          "PrepareToCloseLibraryApplet"},
+    {0x002500C0, NULL,                  "PrepareToCloseLibraryApplet"},
-    {0x00260000, NULL,          "PrepareToCloseSystemApplet"},
+    {0x00260000, NULL,                  "PrepareToCloseSystemApplet"},
-    {0x00270044, NULL,          "CloseApplication"},
+    {0x00270044, NULL,                  "CloseApplication"},
-    {0x00280044, NULL,          "CloseLibraryApplet"},
+    {0x00280044, NULL,                  "CloseLibraryApplet"},
-    {0x00290044, NULL,          "CloseSystemApplet"},
+    {0x00290044, NULL,                  "CloseSystemApplet"},
-    {0x002A0000, NULL,          "OrderToCloseSystemApplet"},
+    {0x002A0000, NULL,                  "OrderToCloseSystemApplet"},
-    {0x002B0000, NULL,          "PrepareToJumpToHomeMenu"},
+    {0x002B0000, NULL,                  "PrepareToJumpToHomeMenu"},
-    {0x002C0044, NULL,          "JumpToHomeMenu"},
+    {0x002C0044, NULL,                  "JumpToHomeMenu"},
-    {0x002D0000, NULL,          "PrepareToLeaveHomeMenu"},
+    {0x002D0000, NULL,                  "PrepareToLeaveHomeMenu"},
-    {0x002E0044, NULL,          "LeaveHomeMenu"},
+    {0x002E0044, NULL,                  "LeaveHomeMenu"},
-    {0x002F0040, NULL,          "PrepareToLeaveResidentApplet"},
+    {0x002F0040, NULL,                  "PrepareToLeaveResidentApplet"},
-    {0x00300044, NULL,          "LeaveResidentApplet"},
+    {0x00300044, NULL,                  "LeaveResidentApplet"},
-    {0x00310100, NULL,          "PrepareToDoApplicationJump"},
+    {0x00310100, NULL,                  "PrepareToDoApplicationJump"},
-    {0x00320084, NULL,          "DoApplicationJump"},
+    {0x00320084, NULL,                  "DoApplicationJump"},
-    {0x00330000, NULL,          "GetProgramIdOnApplicationJump"},
+    {0x00330000, NULL,                  "GetProgramIdOnApplicationJump"},
-    {0x00340084, NULL,          "SendDeliverArg"},
+    {0x00340084, NULL,                  "SendDeliverArg"},
-    {0x00350080, NULL,          "ReceiveDeliverArg"},
+    {0x00350080, NULL,                  "ReceiveDeliverArg"},
-    {0x00360040, NULL,          "LoadSysMenuArg"},
+    {0x00360040, NULL,                  "LoadSysMenuArg"},
-    {0x00370042, NULL,          "StoreSysMenuArg"},
+    {0x00370042, NULL,                  "StoreSysMenuArg"},
-    {0x00380040, NULL,          "PreloadResidentApplet"},
+    {0x00380040, NULL,                  "PreloadResidentApplet"},
-    {0x00390040, NULL,          "PrepareToStartResidentApplet"},
+    {0x00390040, NULL,                  "PrepareToStartResidentApplet"},
-    {0x003A0044, NULL,          "StartResidentApplet"},
+    {0x003A0044, NULL,                  "StartResidentApplet"},
-    {0x003B0040, NULL,          "CancelLibraryApplet"},
+    {0x003B0040, NULL,                  "CancelLibraryApplet"},
-    {0x003C0042, NULL,          "SendDspSleep"},
+    {0x003C0042, NULL,                  "SendDspSleep"},
-    {0x003D0042, NULL,          "SendDspWakeUp"},
+    {0x003D0042, NULL,                  "SendDspWakeUp"},
-    {0x003E0080, NULL,          "ReplySleepQuery"},
+    {0x003E0080, NULL,                  "ReplySleepQuery"},
-    {0x003F0040, NULL,          "ReplySleepNotificationComplete"},
+    {0x003F0040, NULL,                  "ReplySleepNotificationComplete"},
-    {0x00400042, NULL,          "SendCaptureBufferInfo"},
+    {0x00400042, NULL,                  "SendCaptureBufferInfo"},
-    {0x00410040, NULL,          "ReceiveCaptureBufferInfo"},
+    {0x00410040, NULL,                  "ReceiveCaptureBufferInfo"},
-    {0x00420080, NULL,          "SleepSystem"},
+    {0x00420080, NULL,                  "SleepSystem"},
-    {0x00430040, NULL,          "NotifyToWait"},
+    {0x00430040, NULL,                  "NotifyToWait"},
-    {0x00440000, NULL,          "GetSharedFont"},
+    {0x00440000, NULL,                  "GetSharedFont"},
-    {0x00450040, NULL,          "GetWirelessRebootInfo"},
+    {0x00450040, NULL,                  "GetWirelessRebootInfo"},
-    {0x00460104, NULL,          "Wrap"},
+    {0x00460104, NULL,                  "Wrap"},
-    {0x00470104, NULL,          "Unwrap"},
+    {0x00470104, NULL,                  "Unwrap"},
-    {0x00480100, NULL,          "GetProgramInfo"},
+    {0x00480100, NULL,                  "GetProgramInfo"},
-    {0x00490180, NULL,          "Reboot"},
+    {0x00490180, NULL,                  "Reboot"},
-    {0x004A0040, NULL,          "GetCaptureInfo"},
+    {0x004A0040, NULL,                  "GetCaptureInfo"},
-    {0x004B00C2, NULL,          "AppletUtility"},
+    {0x004B00C2, NULL,                  "AppletUtility"},
-    {0x004C0000, NULL,          "SetFatalErrDispMode"},
+    {0x004C0000, NULL,                  "SetFatalErrDispMode"},
-    {0x004D0080, NULL,          "GetAppletProgramInfo"},
+    {0x004D0080, NULL,                  "GetAppletProgramInfo"},
-    {0x004E0000, NULL,          "HardwareResetAsync"},
+    {0x004E0000, NULL,                  "HardwareResetAsync"},
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////

src/core/hle/service/gsp.cpp

@@ -8,6 +8,7 @@
 
 #include "core/mem_map.h"
 #include "core/hle/hle.h"
+#include "core/hle/kernel/event.h"
 #include "core/hle/service/gsp.h"
 
 #include "core/hw/lcd.h"
@@ -52,6 +53,7 @@ void GX_FinishCommand(u32 thread_id) {
 
 namespace GSP_GPU {
 
+Handle g_event_handle = 0;
 u32 g_thread_id = 0;
 
 enum {
@@ -92,7 +94,7 @@ void ReadHWRegs(Service::Interface* self) {
         break;
 
     default:
-        ERROR_LOG(GSP, "ReadHWRegs unknown register read at address %08X", reg_addr);
+        ERROR_LOG(GSP, "unknown register read at address %08X", reg_addr);
     }
 
 }
@@ -100,7 +102,20 @@ void ReadHWRegs(Service::Interface* self) {
 void RegisterInterruptRelayQueue(Service::Interface* self) {
     u32* cmd_buff = Service::GetCommandBuffer();
     u32 flags = cmd_buff[1];
-    u32 event_handle = cmd_buff[3]; // TODO(bunnei): Implement event handling
+    u32 event_handle = cmd_buff[3];
+
+    _assert_msg_(GSP, event_handle, "called, but event is NULL!");
+
+    g_event_handle = event_handle;
+
+    Kernel::SetEventLocked(event_handle, false);
+
+    // Hack - This function will permanently set the state of the GSP event such that GPU command 
+    // synchronization barriers always passthrough. Correct solution would be to set this after the 
+    // GPU as processed all queued up commands, but due to the emulator being single-threaded they
+    // will always be ready.
+    Kernel::SetPermanentLock(event_handle, true);
+
     cmd_buff[2] = g_thread_id;          // ThreadID
 }
 
@@ -117,7 +132,7 @@ void TriggerCmdReqQueue(Service::Interface* self) {
         break;
 
     default:
-        ERROR_LOG(GSP, "TriggerCmdReqQueue unknown command 0x%08X", cmd_buff[0]);
+        ERROR_LOG(GSP, "unknown command 0x%08X", cmd_buff[0]);
     }
     
     GX_FinishCommand(g_thread_id);

src/core/hle/service/ndm.cpp

@@ -0,0 +1,32 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "common/log.h"
+
+#include "core/hle/hle.h"
+#include "core/hle/service/ndm.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace NDM_U
+
+namespace NDM_U {
+
+const Interface::FunctionInfo FunctionTable[] = {
+    {0x00060040, NULL, "SuspendDaemons"},
+    {0x00080040, NULL, "DisableWifiUsage"},
+    {0x00090000, NULL, "EnableWifiUsage"},
+    {0x00140040, NULL, "OverrideDefaultDaemons"},
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+    Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+
+Interface::~Interface() {
+}
+
+} // namespace

src/core/hle/service/ndm.h

@@ -0,0 +1,33 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace NDM
+
+// No idea what this is
+
+namespace NDM_U {
+
+class Interface : public Service::Interface {
+public:
+
+    Interface();
+
+    ~Interface();
+
+    /**
+     * Gets the string port name used by CTROS for the service
+     * @return Port name of service
+     */
+    const char *GetPortName() const {
+        return "ndm:u";
+    }
+
+};
+
+} // namespace

src/core/hle/service/service.cpp

@@ -12,6 +12,7 @@
 #include "core/hle/service/apt.h"
 #include "core/hle/service/gsp.h"
 #include "core/hle/service/hid.h"
+#include "core/hle/service/ndm.h"
 #include "core/hle/service/srv.h"
 
 #include "core/hle/kernel/kernel.h"
@@ -72,14 +73,15 @@ void Init() {
     g_manager->AddService(new APT_U::Interface);
     g_manager->AddService(new GSP_GPU::Interface);
     g_manager->AddService(new HID_User::Interface);
+    g_manager->AddService(new NDM_U::Interface);
 
-    NOTICE_LOG(HLE, "Services initialized OK");
+    NOTICE_LOG(HLE, "initialized OK");
 }
 
 /// Shutdown ServiceManager
 void Shutdown() {
     delete g_manager;
-    NOTICE_LOG(HLE, "Services shutdown OK");
+    NOTICE_LOG(HLE, "shutdown OK");
 }
 
 

src/core/hle/service/service.h

@@ -76,22 +76,31 @@ public:
     }
 
     /**
-     * Called when svcSendSyncRequest is called, loads command buffer and executes comand
+     * Synchronize kernel object 
-     * @return Return result of svcSendSyncRequest passed back to user app
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
      */
-    Result Sync() {
+    Result SyncRequest(bool* wait) {
         u32* cmd_buff = GetCommandBuffer();
         auto itr = m_functions.find(cmd_buff[0]);
 
         if (itr == m_functions.end()) {
-            ERROR_LOG(OSHLE, "Unknown/unimplemented function: port = %s, command = 0x%08X!", 
+            ERROR_LOG(OSHLE, "unknown/unimplemented function: port=%s, command=0x%08X", 
                 GetPortName(), cmd_buff[0]);
-            return -1;
+
+            // TODO(bunnei): Hack - ignore error
+            u32* cmd_buff = Service::GetCommandBuffer();
+            cmd_buff[1] = 0;
+            return 0; 
         }
         if (itr->second.func == NULL) {
-            ERROR_LOG(OSHLE, "Unimplemented function: port = %s, name = %s!", 
+            ERROR_LOG(OSHLE, "unimplemented function: port=%s, name=%s", 
                 GetPortName(), itr->second.name.c_str());
-            return -1;
+
+            // TODO(bunnei): Hack - ignore error
+            u32* cmd_buff = Service::GetCommandBuffer();
+            cmd_buff[1] = 0;
+            return 0; 
         } 
 
         itr->second.func(this);
@@ -99,6 +108,16 @@ public:
         return 0; // TODO: Implement return from actual function
     }
 
+    /**
+     * Wait for kernel object to synchronize
+     * @param wait Boolean wait set if current thread should wait as a result of sync operation
+     * @return Result of operation, 0 on success, otherwise error code
+     */
+    Result WaitSynchronization(bool* wait) {
+        // TODO(bunnei): ImplementMe
+        return 0;
+    }
+
 protected:
 
     /**

src/core/hle/service/srv.cpp

@@ -5,21 +5,28 @@
 #include "core/hle/hle.h"
 #include "core/hle/service/srv.h"
 #include "core/hle/service/service.h"
-
+#include "core/hle/kernel/mutex.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // Namespace SRV
 
 namespace SRV {
 
+Handle g_mutex = 0;
+
 void Initialize(Service::Interface* self) {
-    NOTICE_LOG(OSHLE, "SRV::Sync - Initialize");
+    DEBUG_LOG(OSHLE, "called");
+    if (!g_mutex) {
+        g_mutex = Kernel::CreateMutex(false);
+    }
 }
 
 void GetProcSemaphore(Service::Interface* self) {
+    DEBUG_LOG(OSHLE, "called");
     // Get process semaphore?
     u32* cmd_buff = Service::GetCommandBuffer();
-    cmd_buff[3] = 0xDEADBEEF; // Return something... 0 == NULL, raises an exception
+    cmd_buff[1] = 0;        // No error
+    cmd_buff[3] = g_mutex;  // Return something... 0 == NULL, raises an exception
 }
 
 void GetServiceHandle(Service::Interface* self) {
@@ -29,18 +36,14 @@ void GetServiceHandle(Service::Interface* self) {
     std::string port_name = std::string((const char*)&cmd_buff[1], 0, Service::kMaxPortSize);
     Service::Interface* service = Service::g_manager->FetchFromPortName(port_name);
 
-    NOTICE_LOG(OSHLE, "SRV::Sync - GetHandle - port: %s, handle: 0x%08X", port_name.c_str(), 
-        service->GetHandle());
-
     if (NULL != service) {
         cmd_buff[3] = service->GetHandle();
+        DEBUG_LOG(OSHLE, "called port=%s, handle=0x%08X", port_name.c_str(), cmd_buff[3]);
     } else {
-        ERROR_LOG(OSHLE, "Service %s does not exist", port_name.c_str());
+        ERROR_LOG(OSHLE, "(UNIMPLEMENTED) called port=%s", port_name.c_str());
         res = -1;
     }
     cmd_buff[1] = res;
-
-    //return res;
 }
 
 const Interface::FunctionInfo FunctionTable[] = {

src/core/hle/service/srv.h

@@ -26,12 +26,6 @@ public:
         return "srv:";
     }
 
-    /**
-     * Called when svcSendSyncRequest is called, loads command buffer and executes comand
-     * @return Return result of svcSendSyncRequest passed back to user app
-     */
-    Result Sync();
-
 };
 
 } // namespace

src/core/hle/svc.cpp

@@ -9,6 +9,7 @@
 
 #include "core/mem_map.h"
 
+#include "core/hle/kernel/event.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/mutex.h"
 #include "core/hle/kernel/thread.h"
@@ -16,7 +17,6 @@
 #include "core/hle/function_wrappers.h"
 #include "core/hle/svc.h"
 #include "core/hle/service/service.h"
-#include "core/hle/kernel/thread.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // Namespace SVC
@@ -35,10 +35,9 @@ enum MapMemoryPermission {
 
 /// Map application or GSP heap memory
 Result ControlMemory(void* _outaddr, u32 operation, u32 addr0, u32 addr1, u32 size, u32 permissions) {
-    u32* outaddr = (u32*)_outaddr;
     u32 virtual_address = 0x00000000;
 
-    DEBUG_LOG(SVC, "ControlMemory called operation=0x%08X, addr0=0x%08X, addr1=0x%08X, size=%08X, permissions=0x%08X", 
+    DEBUG_LOG(SVC,"called operation=0x%08X, addr0=0x%08X, addr1=0x%08X, size=%08X, permissions=0x%08X", 
         operation, addr0, addr1, size, permissions);
 
     switch (operation) {
@@ -55,11 +54,9 @@ Result ControlMemory(void* _outaddr, u32 operation, u32 addr0, u32 addr1, u32 si
 
     // Unknown ControlMemory operation
     default:
-        ERROR_LOG(SVC, "ControlMemory unknown operation=0x%08X", operation);
+        ERROR_LOG(SVC, "unknown operation=0x%08X", operation);
-    }
-    if (NULL != outaddr) {
-        *outaddr = virtual_address;
     }
+
     Core::g_app_core->SetReg(1, virtual_address);
 
     return 0;
@@ -67,7 +64,7 @@ Result ControlMemory(void* _outaddr, u32 operation, u32 addr0, u32 addr1, u32 si
 
 /// Maps a memory block to specified address
 Result MapMemoryBlock(Handle memblock, u32 addr, u32 mypermissions, u32 otherpermission) {
-    DEBUG_LOG(SVC, "MapMemoryBlock called memblock=0x08X, addr=0x%08X, mypermissions=0x%08X, otherpermission=%d", 
+    DEBUG_LOG(SVC, "called memblock=0x08X, addr=0x%08X, mypermissions=0x%08X, otherpermission=%d", 
         memblock, addr, mypermissions, otherpermission);
     switch (mypermissions) {
     case MEMORY_PERMISSION_NORMAL:
@@ -76,72 +73,139 @@ Result MapMemoryBlock(Handle memblock, u32 addr, u32 mypermissions, u32 otherper
         Memory::MapBlock_Shared(memblock, addr, mypermissions);
         break;
     default:
-        ERROR_LOG(OSHLE, "MapMemoryBlock unknown permissions=0x%08X", mypermissions);
+        ERROR_LOG(OSHLE, "unknown permissions=0x%08X", mypermissions);
     }
     return 0;
 }
 
 /// Connect to an OS service given the port name, returns the handle to the port to out
-Result ConnectToPort(void* out, const char* port_name) {
+Result ConnectToPort(void* _out, const char* port_name) {
     Service::Interface* service = Service::g_manager->FetchFromPortName(port_name);
-    if (service) {
+    DEBUG_LOG(SVC, "called port_name=%s", port_name);
-        Core::g_app_core->SetReg(1, service->GetHandle());
+    _assert_msg_(KERNEL, service, "called, but service is not implemented!");
-    } else {
+    Core::g_app_core->SetReg(1, service->GetHandle());
-        PanicYesNo("ConnectToPort called port_name=%s, but it is not implemented!", port_name);
-    }
-    DEBUG_LOG(SVC, "ConnectToPort called port_name=%s", port_name);
     return 0;
 }
 
 /// Synchronize to an OS service
 Result SendSyncRequest(Handle handle) {
-    DEBUG_LOG(SVC, "SendSyncRequest called handle=0x%08X");
+    bool wait = false;
-    Service::Interface* service = Service::g_manager->FetchFromHandle(handle);
+    Kernel::Object* object = Kernel::g_object_pool.GetFast<Kernel::Object>(handle);
-    service->Sync();
+
-    return 0;
+    DEBUG_LOG(SVC, "called handle=0x%08X", handle);
+    _assert_msg_(KERNEL, object, "called, but kernel object is NULL!");
+
+    Result res = object->SyncRequest(&wait);
+    if (wait) {
+        Kernel::WaitCurrentThread(WAITTYPE_SYNCH); // TODO(bunnei): Is this correct?
+    }
+
+    return res;
 }
 
 /// Close a handle
 Result CloseHandle(Handle handle) {
     // ImplementMe
-    DEBUG_LOG(SVC, "(UNIMPLEMENTED) CloseHandle called handle=0x%08X", handle);
+    ERROR_LOG(SVC, "(UNIMPLEMENTED) called handle=0x%08X", handle);
     return 0;
 }
 
 /// Wait for a handle to synchronize, timeout after the specified nanoseconds
 Result WaitSynchronization1(Handle handle, s64 nano_seconds) {
-    DEBUG_LOG(SVC, "(UNIMPLEMENTED) WaitSynchronization1 called handle=0x%08X, nanoseconds=%d", 
+    // TODO(bunnei): Do something with nano_seconds, currently ignoring this
-        handle, nano_seconds);
+    bool wait = false;
-    Kernel::WaitCurrentThread(WAITTYPE_SYNCH); // TODO(bunnei): Is this correct?
+
-    return 0;
+    Kernel::Object* object = Kernel::g_object_pool.GetFast<Kernel::Object>(handle);
+
+    DEBUG_LOG(SVC, "called handle=0x%08X, nanoseconds=%d", handle, 
+        nano_seconds);
+    _assert_msg_(KERNEL, object, "called, but kernel object is NULL!");
+
+    Result res = object->WaitSynchronization(&wait);
+
+    if (wait) {
+        Kernel::WaitCurrentThread(WAITTYPE_SYNCH); // TODO(bunnei): Is this correct?
+        Kernel::Reschedule();
+
+        // Context switch - Function blocked, is not actually returning (will be "called" again)
+
+        // TODO(bunnei): This saves handle to R0 so that it's correctly reloaded on context switch
+        // (otherwise R0 will be set to whatever is returned, and handle will be invalid when this
+        // thread is resumed). There is probably a better way of keeping track of state so that we
+        // don't necessarily have to do this.
+        return (Result)PARAM(0);
+    }
+
+    return res;
 }
 
 /// Wait for the given handles to synchronize, timeout after the specified nanoseconds
-Result WaitSynchronizationN(void* _out, void* _handles, u32 handle_count, u32 wait_all, s64 nano_seconds) {
+Result WaitSynchronizationN(void* _out, void* _handles, u32 handle_count, u32 wait_all, 
-    s32* out = (s32*)_out;
+    s64 nano_seconds) {
-    Handle* handles = (Handle*)_handles;
+    // TODO(bunnei): Do something with nano_seconds, currently ignoring this
 
-    DEBUG_LOG(SVC, "(UNIMPLEMENTED) WaitSynchronizationN called handle_count=%d, wait_all=%s, nanoseconds=%d %s", 
+    Handle* handles = (Handle*)_handles;
+    bool unlock_all = true;
+
+    DEBUG_LOG(SVC, "called handle_count=%d, wait_all=%s, nanoseconds=%d", 
         handle_count, (wait_all ? "true" : "false"), nano_seconds);
 
+    // Iterate through each handle, synchronize kernel object
     for (u32 i = 0; i < handle_count; i++) {
-        DEBUG_LOG(SVC, "\thandle[%d]=0x%08X", i, handles[i]);
+        bool wait = false;
+        Kernel::Object* object = Kernel::g_object_pool.GetFast<Kernel::Object>(handles[i]); // 0 handle
+
+        _assert_msg_(KERNEL, object, "called handle=0x%08X, but kernel object "
+            "is NULL!", handles[i]);
+
+        DEBUG_LOG(SVC, "\thandle[%d] = 0x%08X", i, handles[i]);
+
+        Result res = object->WaitSynchronization(&wait);
+
+        if (!wait && !wait_all) {
+            Core::g_app_core->SetReg(1, i);
+            return 0;
+        } else {
+            unlock_all = false;
+        }
     }
+
+    if (wait_all && unlock_all) {
+        Core::g_app_core->SetReg(1, handle_count);
+        return 0;
+    }
+
+    // Set current thread to wait state if not all handles were unlocked
     Kernel::WaitCurrentThread(WAITTYPE_SYNCH); // TODO(bunnei): Is this correct?
-    return 0;
+    Kernel::Reschedule();
+
+    // Context switch - Function blocked, is not actually returning (will be "called" again)
+
+    // TODO(bunnei): This saves handle to R0 so that it's correctly reloaded on context switch
+    // (otherwise R0 will be set to whatever is returned, and handle will be invalid when this
+    // thread is resumed). There is probably a better way of keeping track of state so that we
+    // don't necessarily have to do this.
+    return (Result)PARAM(0);
 }
 
 /// Create an address arbiter (to allocate access to shared resources)
 Result CreateAddressArbiter(void* arbiter) {
-    // ImplementMe
+    ERROR_LOG(SVC, "(UNIMPLEMENTED) called");
-    DEBUG_LOG(SVC, "(UNIMPLEMENTED) CreateAddressArbiter called");
     Core::g_app_core->SetReg(1, 0xFABBDADD);
     return 0;
 }
 
+/// Arbitrate address
+Result ArbitrateAddress(Handle arbiter, u32 addr, u32 _type, u32 value, s64 nanoseconds) {
+    ERROR_LOG(SVC, "(UNIMPLEMENTED) called");
+    ArbitrationType type = (ArbitrationType)_type;
+    Memory::Write32(addr, type);
+    return 0;
+}
+
 /// Used to output a message on a debug hardware unit - does nothing on a retail unit
 void OutputDebugString(const char* string) {
-    NOTICE_LOG(SVC, "## OSDEBUG: %08X %s", Core::g_app_core->GetPC(), string);
+    OS_LOG(SVC, "%s", string);
 }
 
 /// Get resource limit
@@ -149,15 +213,15 @@ Result GetResourceLimit(void* resource_limit, Handle process) {
     // With regards to proceess values:
     // 0xFFFF8001 is a handle alias for the current KProcess, and 0xFFFF8000 is a handle alias for 
     // the current KThread.
-    DEBUG_LOG(SVC, "(UNIMPLEMENTED) GetResourceLimit called process=0x%08X", process);
+    ERROR_LOG(SVC, "(UNIMPLEMENTED) called process=0x%08X", process);
     Core::g_app_core->SetReg(1, 0xDEADBEEF);
     return 0;
 }
 
 /// Get resource limit current values
-Result GetResourceLimitCurrentValues(void* _values, Handle resource_limit, void* names, s32 name_count) {
+Result GetResourceLimitCurrentValues(void* _values, Handle resource_limit, void* names, 
-    //s64* values = (s64*)_values;
+    s32 name_count) {
-    DEBUG_LOG(SVC, "(UNIMPLEMENTED) GetResourceLimitCurrentValues called resource_limit=%08X, names=%s, name_count=%d",
+    ERROR_LOG(SVC, "(UNIMPLEMENTED) called resource_limit=%08X, names=%s, name_count=%d",
         resource_limit, names, name_count);
     Memory::Write32(Core::g_app_core->GetReg(0), 0); // Normmatt: Set used memory to 0 for now
     return 0;
@@ -180,8 +244,8 @@ Result CreateThread(u32 priority, u32 entry_point, u32 arg, u32 stack_top, u32 p
 
     Core::g_app_core->SetReg(1, thread);
 
-    DEBUG_LOG(SVC, "CreateThread called entrypoint=0x%08X (%s), arg=0x%08X, stacktop=0x%08X, "
+    DEBUG_LOG(SVC, "called entrypoint=0x%08X (%s), arg=0x%08X, stacktop=0x%08X, "
-        "threadpriority=0x%08X, processorid=0x%08X : created handle 0x%08X", entry_point, 
+        "threadpriority=0x%08X, processorid=0x%08X : created handle=0x%08X", entry_point, 
         name.c_str(), arg, stack_top, priority, processor_id, thread);
     
     return 0;
@@ -189,43 +253,61 @@ Result CreateThread(u32 priority, u32 entry_point, u32 arg, u32 stack_top, u32 p
 
 /// Create a mutex
 Result CreateMutex(void* _mutex, u32 initial_locked) {
-    Handle* mutex = (Handle*)_mutex;
+    Handle mutex = Kernel::CreateMutex((initial_locked != 0));
-    *mutex = Kernel::CreateMutex((initial_locked != 0));
+    Core::g_app_core->SetReg(1, mutex);
-    Core::g_app_core->SetReg(1, *mutex);
+    DEBUG_LOG(SVC, "called initial_locked=%s : created handle=0x%08X", 
-    DEBUG_LOG(SVC, "CreateMutex called initial_locked=%s : created handle 0x%08X", 
+        initial_locked ? "true" : "false", mutex);
-        initial_locked ? "true" : "false", *mutex);
     return 0;
 }
 
 /// Release a mutex
 Result ReleaseMutex(Handle handle) {
-    DEBUG_LOG(SVC, "ReleaseMutex called handle=0x%08X", handle);
+    DEBUG_LOG(SVC, "called handle=0x%08X", handle);
+    _assert_msg_(KERNEL, handle, "called, but handle is NULL!");
     Kernel::ReleaseMutex(handle);
     return 0;
 }
 
 /// Get current thread ID
 Result GetThreadId(void* thread_id, u32 thread) {
-    DEBUG_LOG(SVC, "(UNIMPLEMENTED) GetThreadId called thread=0x%08X", thread);
+    ERROR_LOG(SVC, "(UNIMPLEMENTED) called thread=0x%08X", thread);
     return 0;
 }
 
 /// Query memory
 Result QueryMemory(void *_info, void *_out, u32 addr) {
-    MemoryInfo* info = (MemoryInfo*) _info;
+    ERROR_LOG(SVC, "(UNIMPLEMENTED) called addr=0x%08X", addr);
-    PageInfo* out = (PageInfo*) _out;
-    DEBUG_LOG(SVC, "(UNIMPLEMENTED) QueryMemory called addr=0x%08X", addr);
     return 0;
 }
 
 /// Create an event
 Result CreateEvent(void* _event, u32 reset_type) {
-    Handle* event = (Handle*)_event;
+    Handle evt = Kernel::CreateEvent((ResetType)reset_type);
-    DEBUG_LOG(SVC, "(UNIMPLEMENTED) CreateEvent called reset_type=0x%08X", reset_type);
+    Core::g_app_core->SetReg(1, evt);
-    Core::g_app_core->SetReg(1, 0xBADC0DE0);
+    DEBUG_LOG(SVC, "called reset_type=0x%08X : created handle=0x%08X", 
+        reset_type, evt);
     return 0;
 }
 
+/// Duplicates a kernel handle
+Result DuplicateHandle(void* _out, Handle handle) {
+    Handle* out = (Handle*)_out;
+    ERROR_LOG(SVC, "(UNIMPLEMENTED) called handle=0x%08X", handle);
+    return 0;
+}
+
+/// Clears an event
+Result ClearEvent(Handle evt) {
+    Result res = Kernel::ClearEvent(evt);
+    DEBUG_LOG(SVC, "called event=0x%08X", evt);
+    return res;
+}
+
+/// Sleep the current thread
+void SleepThread(s64 nanoseconds) {
+    DEBUG_LOG(SVC, "called nanoseconds=%d", nanoseconds);
+}
+
 const HLE::FunctionDef SVC_Table[] = {
     {0x00,  NULL,                                       "Unknown"},
     {0x01,  WrapI_VUUUUU<ControlMemory>,                "ControlMemory"},
@@ -237,7 +319,7 @@ const HLE::FunctionDef SVC_Table[] = {
     {0x07,  NULL,                                       "SetProcessIdealProcessor"},
     {0x08,  WrapI_UUUUU<CreateThread>,                  "CreateThread"},
     {0x09,  NULL,                                       "ExitThread"},
-    {0x0A,  NULL,                                       "SleepThread"},
+    {0x0A,  WrapV_S64<SleepThread>,                     "SleepThread"},
     {0x0B,  NULL,                                       "GetThreadPriority"},
     {0x0C,  NULL,                                       "SetThreadPriority"},
     {0x0D,  NULL,                                       "GetThreadAffinityMask"},
@@ -252,7 +334,7 @@ const HLE::FunctionDef SVC_Table[] = {
     {0x16,  NULL,                                       "ReleaseSemaphore"},
     {0x17,  WrapI_VU<CreateEvent>,                      "CreateEvent"},
     {0x18,  NULL,                                       "SignalEvent"},
-    {0x19,  NULL,                                       "ClearEvent"},
+    {0x19,  WrapI_U<ClearEvent>,                        "ClearEvent"},
     {0x1A,  NULL,                                       "CreateTimer"},
     {0x1B,  NULL,                                       "SetTimer"},
     {0x1C,  NULL,                                       "CancelTimer"},
@@ -261,12 +343,12 @@ const HLE::FunctionDef SVC_Table[] = {
     {0x1F,  WrapI_UUUU<MapMemoryBlock>,                 "MapMemoryBlock"},
     {0x20,  NULL,                                       "UnmapMemoryBlock"},
     {0x21,  WrapI_V<CreateAddressArbiter>,              "CreateAddressArbiter"},
-    {0x22,  NULL,                                       "ArbitrateAddress"},
+    {0x22,  WrapI_UUUUS64<ArbitrateAddress>,            "ArbitrateAddress"},
     {0x23,  WrapI_U<CloseHandle>,                       "CloseHandle"},
     {0x24,  WrapI_US64<WaitSynchronization1>,           "WaitSynchronization1"},
     {0x25,  WrapI_VVUUS64<WaitSynchronizationN>,        "WaitSynchronizationN"},
     {0x26,  NULL,                                       "SignalAndWait"},
-    {0x27,  NULL,                                       "DuplicateHandle"},
+    {0x27,  WrapI_VU<DuplicateHandle>,                  "DuplicateHandle"},
     {0x28,  NULL,                                       "GetSystemTick"},
     {0x29,  NULL,                                       "GetHandleInfo"},
     {0x2A,  NULL,                                       "GetSystemInfo"},

src/core/hle/svc.h

@@ -38,6 +38,15 @@ enum ResetType {
     RESETTYPE_MAX_BIT = (1u << 31),
 };
 
+enum ArbitrationType {
+    ARBITRATIONTYPE_SIGNAL,
+    ARBITRATIONTYPE_WAIT_IF_LESS_THAN,
+    ARBITRATIONTYPE_DECREMENT_AND_WAIT_IF_LESS_THAN,
+    ARBITRATIONTYPE_WAIT_IF_LESS_THAN_WITH_TIMEOUT,
+    ARBITRATIONTYPE_DECREMENT_AND_WAIT_IF_LESS_THAN_WITH_TIMEOUT,
+    ARBITRATIONTYPE_MAX_BIT = (1u << 31)
+};
+
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // Namespace SVC
 

src/core/hw/lcd.cpp

@@ -17,8 +17,6 @@ namespace LCD {
 
 Registers g_regs;
 
-static const u32 kFrameTicks = 268123480 / 60;  ///< 268MHz / 60 frames per second
-
 u64 g_last_ticks = 0; ///< Last CPU ticks
 
 /**

src/core/hw/lcd.h

@@ -8,6 +8,8 @@
 
 namespace LCD {
 
+static const u32 kFrameTicks = 268123480 / 60;  ///< 268MHz / 60 frames per second
+
 struct Registers {
     u32 framebuffer_top_left_1;
     u32 framebuffer_top_left_2;

src/core/mem_map_funcs.cpp

@@ -86,7 +86,7 @@ inline void _Read(T &var, const u32 addr) {
         var = *((const T*)&g_vram[vaddr & VRAM_MASK]);
 
     } else {
-        //_assert_msg_(MEMMAP, false, "unknown Read%d @ 0x%08X", sizeof(var) * 8, vaddr);
+        ERROR_LOG(MEMMAP, "unknown Read%d @ 0x%08X", sizeof(var) * 8, vaddr);
     }
 }
 
@@ -136,8 +136,7 @@ inline void _Write(u32 addr, const T data) {
     
     // Error out...
     } else {
-        _assert_msg_(MEMMAP, false, "unknown Write%d 0x%08X @ 0x%08X", sizeof(data) * 8,
+        ERROR_LOG(MEMMAP, "unknown Write%d 0x%08X @ 0x%08X", sizeof(data) * 8, data, vaddr);
-            data, vaddr);
     }
 }