diff options
Diffstat (limited to '')
| -rw-r--r-- | src/core/hle/mrc.cpp | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/src/core/hle/mrc.cpp b/src/core/hle/mrc.cpp index 04d6cb5a5..5223be7c9 100644 --- a/src/core/hle/mrc.cpp +++ b/src/core/hle/mrc.cpp @@ -1,10 +1,43 @@ -#include "mrc.h" -#include "hle.h" +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#include "core/hle/mrc.h" +#include "core/hle/hle.h" +#include "core/mem_map.h" +#include "core/core.h" 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; + } + + return 0; +} + /// Returns the coprocessor (in this case, syscore) command buffer pointer -Addr CallGetThreadCommandBuffer() { +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); @@ -16,14 +49,13 @@ u32 CallMRC(ARM11_MRC_OPERATION operation) { switch (operation) { case DATA_SYNCHRONIZATION_BARRIER: - ERROR_LOG(OSHLE, "Unimplemented MRC operation DATA_SYNCHRONIZATION_BARRIER"); - break; + return DataSynchronizationBarrier((u32*)Memory::GetPointer(PARAM(0))); case CALL_GET_THREAD_COMMAND_BUFFER: - return CallGetThreadCommandBuffer(); + return GetThreadCommandBuffer(); default: - ERROR_LOG(OSHLE, "Unimplemented MRC operation 0x%02X", operation); + ERROR_LOG(OSHLE, "unimplemented MRC operation 0x%02X", operation); break; } return -1; |