87 lines
3 KiB
C++
87 lines
3 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2016 MerryMage
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#pragma once
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#include "frontend/arm_types.h"
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#include "frontend/ir/ir.h"
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#include "frontend/ir/opcodes.h"
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namespace Dynarmic {
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namespace Arm {
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class IREmitter {
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public:
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explicit IREmitter(LocationDescriptor descriptor) : block(descriptor), current_location(descriptor) {}
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IR::Block block;
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LocationDescriptor current_location;
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struct ResultAndCarry {
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IR::ValuePtr result;
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IR::ValuePtr carry;
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};
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struct ResultAndCarryAndOverflow {
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IR::ValuePtr result;
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IR::ValuePtr carry;
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IR::ValuePtr overflow;
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};
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void Unimplemented();
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u32 PC();
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u32 AlignPC(size_t alignment);
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IR::ValuePtr Imm1(bool value);
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IR::ValuePtr Imm8(u8 value);
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IR::ValuePtr Imm32(u32 value);
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IR::ValuePtr GetRegister(Reg source_reg);
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void SetRegister(const Reg dest_reg, IR::ValuePtr value);
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void ALUWritePC(IR::ValuePtr value);
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IR::ValuePtr GetCFlag();
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void SetNFlag(IR::ValuePtr value);
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void SetZFlag(IR::ValuePtr value);
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void SetCFlag(IR::ValuePtr value);
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void SetVFlag(IR::ValuePtr value);
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IR::ValuePtr LeastSignificantByte(IR::ValuePtr value);
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IR::ValuePtr MostSignificantBit(IR::ValuePtr value);
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IR::ValuePtr IsZero(IR::ValuePtr value);
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ResultAndCarry LogicalShiftLeft(IR::ValuePtr value_in, IR::ValuePtr shift_amount, IR::ValuePtr carry_in);
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ResultAndCarry LogicalShiftRight(IR::ValuePtr value_in, IR::ValuePtr shift_amount, IR::ValuePtr carry_in);
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ResultAndCarry ArithmeticShiftRight(IR::ValuePtr value_in, IR::ValuePtr shift_amount, IR::ValuePtr carry_in);
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ResultAndCarry RotateRight(IR::ValuePtr value_in, IR::ValuePtr shift_amount, IR::ValuePtr carry_in);
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ResultAndCarryAndOverflow AddWithCarry(IR::ValuePtr a, IR::ValuePtr b, IR::ValuePtr carry_in);
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IR::ValuePtr Add(IR::ValuePtr a, IR::ValuePtr b);
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ResultAndCarryAndOverflow SubWithCarry(IR::ValuePtr a, IR::ValuePtr b, IR::ValuePtr carry_in);
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IR::ValuePtr And(IR::ValuePtr a, IR::ValuePtr b);
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IR::ValuePtr Eor(IR::ValuePtr a, IR::ValuePtr b);
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IR::ValuePtr Or(IR::ValuePtr a, IR::ValuePtr b);
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IR::ValuePtr Not(IR::ValuePtr a);
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IR::ValuePtr ReadMemory8(IR::ValuePtr vaddr);
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IR::ValuePtr ReadMemory16(IR::ValuePtr vaddr);
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IR::ValuePtr ReadMemory32(IR::ValuePtr vaddr);
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IR::ValuePtr ReadMemory64(IR::ValuePtr vaddr);
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void WriteMemory8(IR::ValuePtr vaddr, IR::ValuePtr value);
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void WriteMemory16(IR::ValuePtr vaddr, IR::ValuePtr value);
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void WriteMemory32(IR::ValuePtr vaddr, IR::ValuePtr value);
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void WriteMemory64(IR::ValuePtr vaddr, IR::ValuePtr value);
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void SetTerm(const IR::Terminal& terminal);
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private:
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IR::ValuePtr Inst(IR::Opcode op, std::initializer_list<IR::ValuePtr> args);
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IR::ValuePtr RegRef(Reg reg);
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void AddToBlock(IR::ValuePtr value);
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};
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} // namespace Arm
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} // namespace Dynarmic
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