1 files changed, 5 insertions, 29 deletions

diff --git a/src/core/hle/coprocessor.cpp b/src/core/hle/coprocessor.cpp
index df1362176..74305331c 100644
--- a/src/core/hle/coprocessor.cpp
+++ b/src/core/hle/coprocessor.cpp
@@ -9,39 +9,15 @@
 
 namespace HLE {
 
-enum {
-    CMD_GX_REQUEST_DMA  = 0x00000000,
-};
-
 /// Data synchronization barrier
-u32 DataSynchronizationBarrier(u32* command_buffer) {
-    u32 command = command_buffer[0];
-
-    switch (command) {
-
-    case CMD_GX_REQUEST_DMA:
-        {
-            u32* src = (u32*)Memory::GetPointer(command_buffer[1]);
-            u32* dst = (u32*)Memory::GetPointer(command_buffer[2]);
-            u32 size = command_buffer[3];
-            memcpy(dst, src, size);
-        }
-        break;
-
-    default:
-        ERROR_LOG(OSHLE, "MRC::DataSynchronizationBarrier unknown command 0x%08X", command);
-        return -1;
-    }
-
+u32 DataSynchronizationBarrier() {
     return 0;
 }
 
 /// Returns the coprocessor (in this case, syscore) command buffer pointer
 Addr GetThreadCommandBuffer() {
     // Called on insruction: mrc p15, 0, r0, c13, c0, 3
-    // Returns an address in OSHLE memory for the CPU to read/write to
-    RETURN(CMD_BUFFER_ADDR);
-    return CMD_BUFFER_ADDR;
+    return Memory::KERNEL_MEMORY_VADDR;
 }
 
 /// Call an MCR (move to coprocessor from ARM register) instruction in HLE
@@ -49,7 +25,7 @@ s32 CallMCR(u32 instruction, u32 value) {
     CoprocessorOperation operation = (CoprocessorOperation)((instruction >> 20) & 0xFF);
     ERROR_LOG(OSHLE, "unimplemented MCR instruction=0x%08X, operation=%02X, value=%08X", 
         instruction, operation, value);
-    return -1;
+    return 0;
 }
 
 /// Call an MRC (move to ARM register from coprocessor) instruction in HLE
@@ -59,7 +35,7 @@ s32 CallMRC(u32 instruction) {
     switch (operation) {
 
     case DATA_SYNCHRONIZATION_BARRIER:
-        return DataSynchronizationBarrier((u32*)Memory::GetPointer(PARAM(0)));
+        return DataSynchronizationBarrier();
 
     case CALL_GET_THREAD_COMMAND_BUFFER:
         return GetThreadCommandBuffer();
@@ -68,7 +44,7 @@ s32 CallMRC(u32 instruction) {
         ERROR_LOG(OSHLE, "unimplemented MRC instruction 0x%08X", instruction);
         break;
     }
-    return -1;
+    return 0;
 }
 
 } // namespace