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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#pragma once
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#include "Emu/CPU/CPUDecoder.h"
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#include "ARMv7Thread.h"
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#include "ARMv7Interpreter.h"
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#include "ARMv7Opcodes.h"
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#include "Utilities/Log.h"
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class ARMv7Decoder : public CPUDecoder
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{
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ARMv7Thread& m_thr;
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public:
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ARMv7Decoder(ARMv7Thread& thr) : m_thr(thr)
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{
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}
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virtual u8 DecodeMemory(const u32 address)
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{
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m_thr.update_code(address & ~1);
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// LOG_NOTICE(GENERAL, "code0 = 0x%04x, code1 = 0x%04x, data = 0x%08x", m_thr.code.code0, m_thr.code.code1, m_thr.code.data);
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// LOG_NOTICE(GENERAL, "arg = 0x%08x", m_thr.m_arg);
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// Emu.Pause();
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// old decoding algorithm
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/*
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for (auto& opcode : ARMv7_opcode_table)
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{
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if ((opcode.type < A1) == ((address & 0x1) == 0) && (m_thr.m_arg & opcode.mask) == opcode.code)
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{
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m_thr.code.data = opcode.length == 2 ? m_thr.code.code0 : m_thr.m_arg;
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(*opcode.func)(&m_thr, opcode.type);
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// LOG_NOTICE(GENERAL, "%s, %d \n\n", opcode.name, opcode.length);
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return opcode.length;
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}
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}
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ARMv7_instrs::UNK(&m_thr);
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return address & 0x1 ? 4 : 2;
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*/
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execute_main_group(&m_thr);
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// LOG_NOTICE(GENERAL, "%s, %d \n\n", m_thr.m_last_instr_name, m_thr.m_last_instr_size);
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m_thr.m_last_instr_name = "Unknown";
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return m_thr.m_last_instr_size;
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}
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}; |