71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/* This file is part of the dynarmic project.
|
|
* Copyright (c) 2016 MerryMage
|
|
* This software may be used and distributed according to the terms of the GNU
|
|
* General Public License version 2 or any later version.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "frontend/arm_types.h"
|
|
#include "frontend/ir/ir.h"
|
|
#include "frontend/ir/opcodes.h"
|
|
|
|
namespace Dynarmic {
|
|
namespace Arm {
|
|
|
|
class IREmitter {
|
|
public:
|
|
explicit IREmitter(LocationDescriptor descriptor) : block(descriptor), current_location(descriptor) {}
|
|
|
|
IR::Block block;
|
|
LocationDescriptor current_location;
|
|
|
|
struct ResultAndCarry {
|
|
IR::ValuePtr result;
|
|
IR::ValuePtr carry;
|
|
};
|
|
|
|
struct ResultAndCarryAndOverflow {
|
|
IR::ValuePtr result;
|
|
IR::ValuePtr carry;
|
|
IR::ValuePtr overflow;
|
|
};
|
|
|
|
void Unimplemented();
|
|
|
|
IR::ValuePtr Imm1(bool value);
|
|
IR::ValuePtr Imm8(u8 value);
|
|
IR::ValuePtr Imm32(u32 value);
|
|
|
|
IR::ValuePtr GetRegister(Reg source_reg);
|
|
void SetRegister(const Reg dest_reg, IR::ValuePtr value);
|
|
|
|
void ALUWritePC(IR::ValuePtr value);
|
|
|
|
IR::ValuePtr GetCFlag();
|
|
void SetNFlag(IR::ValuePtr value);
|
|
void SetZFlag(IR::ValuePtr value);
|
|
void SetCFlag(IR::ValuePtr value);
|
|
void SetVFlag(IR::ValuePtr value);
|
|
|
|
IR::ValuePtr LeastSignificantByte(IR::ValuePtr value);
|
|
IR::ValuePtr MostSignificantBit(IR::ValuePtr value);
|
|
IR::ValuePtr IsZero(IR::ValuePtr value);
|
|
|
|
ResultAndCarry LogicalShiftLeft(IR::ValuePtr value_in, IR::ValuePtr shift_amount, IR::ValuePtr carry_in);
|
|
ResultAndCarry LogicalShiftRight(IR::ValuePtr value_in, IR::ValuePtr shift_amount, IR::ValuePtr carry_in);
|
|
ResultAndCarry ArithmeticShiftRight(IR::ValuePtr value_in, IR::ValuePtr shift_amount, IR::ValuePtr carry_in);
|
|
ResultAndCarryAndOverflow AddWithCarry(IR::ValuePtr a, IR::ValuePtr b, IR::ValuePtr carry_in);
|
|
IR::ValuePtr And(IR::ValuePtr a, IR::ValuePtr b);
|
|
IR::ValuePtr Eor(IR::ValuePtr a, IR::ValuePtr b);
|
|
|
|
void SetTerm(const IR::Terminal& terminal);
|
|
|
|
private:
|
|
IR::ValuePtr Inst(IR::Opcode op, std::initializer_list<IR::ValuePtr> args);
|
|
IR::ValuePtr RegRef(Reg reg);
|
|
void AddToBlock(IR::ValuePtr value);
|
|
};
|
|
|
|
} // namespace Arm
|
|
} // namespace Dynarmic
|