citra/src/core/hle/coprocessor.cpp

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
2014-05-01 23:21:04 +00:00
#include "core/hle/coprocessor.h"
#include "core/hle/hle.h"
#include "core/mem_map.h"
#include "core/core.h"
namespace HLE {
/// Data synchronization barrier
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
return Memory::KERNEL_MEMORY_VADDR;
}
/// Call an MCR (move to coprocessor from ARM register) instruction in HLE
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 0;
}
/// Call an MRC (move to ARM register from coprocessor) instruction in HLE
s32 CallMRC(u32 instruction) {
CoprocessorOperation operation = (CoprocessorOperation)((instruction >> 20) & 0xFF);
switch (operation) {
case DATA_SYNCHRONIZATION_BARRIER:
return DataSynchronizationBarrier();
case CALL_GET_THREAD_COMMAND_BUFFER:
return GetThreadCommandBuffer();
default:
ERROR_LOG(OSHLE, "unimplemented MRC instruction 0x%08X", instruction);
break;
}
return 0;
}
} // namespace