diff --git a/src/core/core.vcxproj b/src/core/core.vcxproj
index da3cc7a26..931345441 100644
--- a/src/core/core.vcxproj
+++ b/src/core/core.vcxproj
@@ -154,6 +154,7 @@
     <ClCompile Include="file_sys\meta_file_system.cpp" />
     <ClCompile Include="hle\hle.cpp" />
     <ClCompile Include="hle\service\apt.cpp" />
+    <ClCompile Include="hle\service\gsp.cpp" />
     <ClCompile Include="hle\service\service.cpp" />
     <ClCompile Include="hle\service\srv.cpp" />
     <ClCompile Include="hle\syscall.cpp" />
@@ -190,6 +191,7 @@
     <ClInclude Include="hle\function_wrappers.h" />
     <ClInclude Include="hle\hle.h" />
     <ClInclude Include="hle\service\apt.h" />
+    <ClInclude Include="hle\service\gsp.h" />
     <ClInclude Include="hle\service\service.h" />
     <ClInclude Include="hle\service\srv.h" />
     <ClInclude Include="hle\syscall.h" />
diff --git a/src/core/core.vcxproj.filters b/src/core/core.vcxproj.filters
index fa20ab686..e022785ad 100644
--- a/src/core/core.vcxproj.filters
+++ b/src/core/core.vcxproj.filters
@@ -96,6 +96,9 @@
     <ClCompile Include="hle\service\srv.cpp">
       <Filter>hle\service</Filter>
     </ClCompile>
+    <ClCompile Include="hle\service\gsp.cpp">
+      <Filter>hle\service</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="arm\disassembler\arm_disasm.h">
@@ -187,6 +190,9 @@
     <ClInclude Include="hle\service\srv.h">
       <Filter>hle\service</Filter>
     </ClInclude>
+    <ClInclude Include="hle\service\gsp.h">
+      <Filter>hle\service</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Text Include="CMakeLists.txt" />
diff --git a/src/core/hle/service/apt.h b/src/core/hle/service/apt.h
index 889b12711..9345eabc3 100644
--- a/src/core/hle/service/apt.h
+++ b/src/core/hle/service/apt.h
@@ -25,7 +25,7 @@ public:
     ~Interface();
 
     /**
-     * Gets the string port name used by CTROS for the APT service
+     * Gets the string port name used by CTROS for the service
      * @return Port name of service
      */
     std::string GetPortName() const {
diff --git a/src/core/hle/service/gsp.cpp b/src/core/hle/service/gsp.cpp
new file mode 100644
index 000000000..6dfd76de3
--- /dev/null
+++ b/src/core/hle/service/gsp.cpp
@@ -0,0 +1,56 @@
+// 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/gsp.h"
+
+namespace GSP_GPU {
+
+const HLE::FunctionDef FunctionTable[] = {
+    {0x00010082, NULL, "WriteHWRegs"},
+    {0x00020084, NULL, "WriteHWRegsWithMask"},
+    {0x00030082, NULL, "WriteHWRegRepeat"},
+    {0x00040080, NULL, "ReadHWRegs"},
+    {0x00050200, NULL, "SetBufferSwap"},
+    {0x00060082, NULL, "SetCommandList"},
+    {0x000700C2, NULL, "RequestDma"},
+    {0x00080082, NULL, "FlushDataCache"},
+    {0x00090082, NULL, "InvalidateDataCache"},
+    {0x000A0044, NULL, "RegisterInterruptEvents"},
+    {0x000B0040, NULL, "SetLcdForceBlack"},
+    {0x000C0000, NULL, "TriggerCmdReqQueue"},
+    {0x000D0140, NULL, "SetDisplayTransfer"},
+    {0x000E0180, NULL, "SetTextureCopy"},
+    {0x000F0200, NULL, "SetMemoryFill"},
+    {0x00100040, NULL, "SetAxiConfigQoSMode"},
+    {0x00110040, NULL, "SetPerfLogMode"},
+    {0x00120000, NULL, "GetPerfLog"},
+    {0x00130042, NULL, "RegisterInterruptRelayQueue"},
+    {0x00140000, NULL, "UnregisterInterruptRelayQueue"},
+    {0x00150002, NULL, "TryAcquireRight"},
+    {0x00160042, NULL, "AcquireRight"},
+    {0x00170000, NULL, "ReleaseRight"},
+    {0x00180000, NULL, "ImportDisplayCaptureInfo"},
+    {0x00190000, NULL, "SaveVramSysArea"},
+    {0x001A0000, NULL, "RestoreVramSysArea"},
+    {0x001B0000, NULL, "ResetGpuCore"},
+    {0x001C0040, NULL, "SetLedForceOff"},
+    {0x001D0040, NULL, "SetTestCommand"},
+    {0x001E0080, NULL, "SetInternalPriorities"},
+};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+    Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+
+Interface::~Interface() {
+}
+
+} // namespace
diff --git a/src/core/hle/service/gsp.h b/src/core/hle/service/gsp.h
new file mode 100644
index 000000000..0a9d452f6
--- /dev/null
+++ b/src/core/hle/service/gsp.h
@@ -0,0 +1,34 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace Service
+
+namespace GSP_GPU {
+
+class Interface : public Service::Interface {
+public:
+
+    Interface();
+
+    ~Interface();
+
+    /**
+     * Gets the string port name used by CTROS for the service
+     * @return Port name of service
+     */
+    std::string GetPortName() const {
+        return "gsp::Gpu";
+    }
+
+private:
+
+    DISALLOW_COPY_AND_ASSIGN(Interface);
+};
+
+} // namespace
diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp
index 81a34ed06..f612ff830 100644
--- a/src/core/hle/service/service.cpp
+++ b/src/core/hle/service/service.cpp
@@ -9,6 +9,7 @@
 #include "core/hle/hle.h"
 #include "core/hle/service/service.h"
 #include "core/hle/service/apt.h"
+#include "core/hle/service/gsp.h"
 #include "core/hle/service/srv.h"
 
 namespace Service {
@@ -73,8 +74,11 @@ Interface* Manager::FetchFromPortName(std::string port_name) {
 /// Initialize ServiceManager
 void Init() {
     g_manager = new Manager;
+    
     g_manager->AddService(new SRV::Interface);
     g_manager->AddService(new APT_U::Interface);
+    g_manager->AddService(new GSP_GPU::Interface);
+
     NOTICE_LOG(HLE, "Services initialized OK");
 }
 
diff --git a/src/core/hle/service/service.h b/src/core/hle/service/service.h
index 3b256aa3e..9cbf8b6fa 100644
--- a/src/core/hle/service/service.h
+++ b/src/core/hle/service/service.h
@@ -19,7 +19,8 @@ namespace Service {
 
 typedef s32 NativeUID;                          ///< Native handle for a service
 
-static const int kCommandHeaderOffset = 0x80;   ///< Offset into command buffer of header
+static const int kMaxPortSize           = 0x08; ///< Maximum size of a port name (8 characters)
+static const int kCommandHeaderOffset   = 0x80; ///< Offset into command buffer of header
 
 class Manager;
 
@@ -59,14 +60,15 @@ public:
         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().c_str(), cmd_buff[0]);
             return -1;
         }
         if (itr->second.func == NULL) {
-            ERROR_LOG(OSHLE, "Unimplemented function: port=%s, name=%s!", 
+            ERROR_LOG(OSHLE, "Unimplemented function: port = %s, name = %s!", 
                 GetPortName().c_str(), itr->second.name.c_str());
-        }
+            return -1;
+        } 
 
         itr->second.func();
 
diff --git a/src/core/hle/service/srv.cpp b/src/core/hle/service/srv.cpp
index bb6c08b78..ad7448461 100644
--- a/src/core/hle/service/srv.cpp
+++ b/src/core/hle/service/srv.cpp
@@ -17,7 +17,7 @@ void GetServiceHandle() {
     Syscall::Result res = 0;
     u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);
 
-    const char* port_name = (const char*)&cmd_buff[1];
+    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, 
diff --git a/src/core/hle/service/srv.h b/src/core/hle/service/srv.h
index b4c5a0c17..a1d26a34d 100644
--- a/src/core/hle/service/srv.h
+++ b/src/core/hle/service/srv.h
@@ -18,7 +18,7 @@ public:
     ~Interface();
 
     /**
-     * Gets the string name used by CTROS for a service
+     * Gets the string name used by CTROS for the service
      * @return Port name of service
      */
     std::string GetPortName() const {