1 files changed, 31 insertions, 7 deletions

diff --git a/src/core/hle/service/gsp_gpu.cpp b/src/core/hle/service/gsp_gpu.cpp
index 22380056..1f841078 100644
--- a/src/core/hle/service/gsp_gpu.cpp
+++ b/src/core/hle/service/gsp_gpu.cpp
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 
@@ -72,7 +72,7 @@ static void WriteHWRegs(u32 base_address, u32 size_in_bytes, const u32* data) {
 
 /// Write a GSP GPU hardware register
 static void WriteHWRegs(Service::Interface* self) {
-    u32* cmd_buff = Service::GetCommandBuffer();
+    u32* cmd_buff = Kernel::GetCommandBuffer();
     u32 reg_addr = cmd_buff[1];
     u32 size = cmd_buff[2];
 
@@ -83,7 +83,7 @@ static void WriteHWRegs(Service::Interface* self) {
 
 /// Read a GSP GPU hardware register
 static void ReadHWRegs(Service::Interface* self) {
-    u32* cmd_buff = Service::GetCommandBuffer();
+    u32* cmd_buff = Kernel::GetCommandBuffer();
     u32 reg_addr = cmd_buff[1];
     u32 size = cmd_buff[2];
 
@@ -136,7 +136,7 @@ static void SetBufferSwap(u32 screen_id, const FrameBufferInfo& info) {
  *      1: Result code
  */
 static void SetBufferSwap(Service::Interface* self) {
-    u32* cmd_buff = Service::GetCommandBuffer();
+    u32* cmd_buff = Kernel::GetCommandBuffer();
     u32 screen_id = cmd_buff[1];
     FrameBufferInfo* fb_info = (FrameBufferInfo*)&cmd_buff[2];
     SetBufferSwap(screen_id, *fb_info);
@@ -145,6 +145,30 @@ static void SetBufferSwap(Service::Interface* self) {
 }
 
 /**
+ * GSP_GPU::FlushDataCache service function
+ *
+ * This Function is a no-op, We aren't emulating the CPU cache any time soon.
+ *
+ *  Inputs:
+ *      1 : Address
+ *      2 : Size
+ *      3 : Value 0, some descriptor for the KProcess Handle
+ *      4 : KProcess handle
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+static void FlushDataCache(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 address = cmd_buff[1];
+    u32 size    = cmd_buff[2];
+    u32 process = cmd_buff[4];
+
+    // TODO(purpasmart96): Verify return header on HW
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+}
+
+/**
  * GSP_GPU::RegisterInterruptRelayQueue service function
  *  Inputs:
  *      1 : "Flags" field, purpose is unknown
@@ -155,7 +179,7 @@ static void SetBufferSwap(Service::Interface* self) {
  *      4 : Handle to GSP shared memory
  */
 static void RegisterInterruptRelayQueue(Service::Interface* self) {
-    u32* cmd_buff = Service::GetCommandBuffer();
+    u32* cmd_buff = Kernel::GetCommandBuffer();
     u32 flags = cmd_buff[1];
     g_interrupt_event = cmd_buff[3];
     g_shared_memory = Kernel::CreateSharedMemory("GSPSharedMem");
@@ -323,7 +347,7 @@ static void TriggerCmdReqQueue(Service::Interface* self) {
         }
     }
 
-    u32* cmd_buff = Service::GetCommandBuffer();
+    u32* cmd_buff = Kernel::GetCommandBuffer();
     cmd_buff[1] = 0; // No error
 }
 
@@ -335,7 +359,7 @@ const Interface::FunctionInfo FunctionTable[] = {
     {0x00050200, SetBufferSwap,                 "SetBufferSwap"},
     {0x00060082, nullptr,                       "SetCommandList"},
     {0x000700C2, nullptr,                       "RequestDma"},
-    {0x00080082, nullptr,                       "FlushDataCache"},
+    {0x00080082, FlushDataCache,                "FlushDataCache"},
     {0x00090082, nullptr,                       "InvalidateDataCache"},
     {0x000A0044, nullptr,                       "RegisterInterruptEvents"},
     {0x000B0040, nullptr,                       "SetLcdForceBlack"},