rpcsx/rpcs3/Emu/ARMv7/ARMv7Decoder.h

#pragma once

#include "Emu/CPU/CPUDecoder.h"
#include "ARMv7Thread.h"
#include "ARMv7Interpreter.h"
#include "ARMv7Opcodes.h"
#include "Utilities/Log.h"

class ARMv7Decoder : public CPUDecoder
{
	ARMv7Thread& m_thr;

public:
	ARMv7Decoder(ARMv7Thread& thr) : m_thr(thr)
	{
	}

	virtual u8 DecodeMemory(const u32 address)
	{
		m_thr.update_code(address & ~1);

		// LOG_NOTICE(GENERAL, "code0 = 0x%04x, code1 = 0x%04x, data = 0x%08x", m_thr.code.code0, m_thr.code.code1, m_thr.code.data);
		// LOG_NOTICE(GENERAL, "arg = 0x%08x", m_thr.m_arg);
		// Emu.Pause();

		// old decoding algorithm
		/*
		for (auto& opcode : ARMv7_opcode_table)
		{
			if ((opcode.type < A1) == ((address & 0x1) == 0) && (m_thr.m_arg & opcode.mask) == opcode.code)
			{
				m_thr.code.data = opcode.length == 2 ? m_thr.code.code0 : m_thr.m_arg;
				(*opcode.func)(&m_thr, opcode.type);
				// LOG_NOTICE(GENERAL, "%s, %d \n\n", opcode.name, opcode.length);
				return opcode.length;
			}
		}

		ARMv7_instrs::UNK(&m_thr);
		return address & 0x1 ? 4 : 2;
		*/

		execute_main_group(&m_thr);
		// LOG_NOTICE(GENERAL, "%s, %d \n\n", m_thr.m_last_instr_name, m_thr.m_last_instr_size);
		m_thr.m_last_instr_name = "Unknown";
		return m_thr.m_last_instr_size;
	}
};