dynarmic/src/frontend/ir/ir_emitter.h
2016-08-06 20:03:15 +01:00

117 lines
4.8 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::Value result;
IR::Value carry;
};
struct ResultAndCarryAndOverflow {
IR::Value result;
IR::Value carry;
IR::Value overflow;
};
void Unimplemented();
u32 PC();
u32 AlignPC(size_t alignment);
IR::Value Imm1(bool value);
IR::Value Imm8(u8 value);
IR::Value Imm32(u32 value);
IR::Value GetRegister(Reg source_reg);
IR::Value GetExtendedRegister(ExtReg source_reg);
void SetRegister(const Reg dest_reg, const IR::Value& value);
void SetExtendedRegister(const ExtReg dest_reg, const IR::Value& value);
void ALUWritePC(const IR::Value& value);
void BranchWritePC(const IR::Value& value);
void BXWritePC(const IR::Value& value);
void LoadWritePC(const IR::Value& value);
void CallSupervisor(const IR::Value& value);
IR::Value GetCFlag();
void SetNFlag(const IR::Value& value);
void SetZFlag(const IR::Value& value);
void SetCFlag(const IR::Value& value);
void SetVFlag(const IR::Value& value);
IR::Value Pack2x32To1x64(const IR::Value& lo, const IR::Value& hi);
IR::Value LeastSignificantWord(const IR::Value& value);
IR::Value MostSignificantWord(const IR::Value& value);
IR::Value LeastSignificantHalf(const IR::Value& value);
IR::Value LeastSignificantByte(const IR::Value& value);
IR::Value MostSignificantBit(const IR::Value& value);
IR::Value IsZero(const IR::Value& value);
IR::Value IsZero64(const IR::Value& value);
ResultAndCarry LogicalShiftLeft(const IR::Value& value_in, const IR::Value& shift_amount, const IR::Value& carry_in);
ResultAndCarry LogicalShiftRight(const IR::Value& value_in, const IR::Value& shift_amount, const IR::Value& carry_in);
ResultAndCarry ArithmeticShiftRight(const IR::Value& value_in, const IR::Value& shift_amount, const IR::Value& carry_in);
ResultAndCarry RotateRight(const IR::Value& value_in, const IR::Value& shift_amount, const IR::Value& carry_in);
ResultAndCarry RotateRightExtended(const IR::Value& value_in, const IR::Value& carry_in);
ResultAndCarryAndOverflow AddWithCarry(const IR::Value& a, const IR::Value& b, const IR::Value& carry_in);
IR::Value Add(const IR::Value& a, const IR::Value& b);
IR::Value Add64(const IR::Value& a, const IR::Value& b);
ResultAndCarryAndOverflow SubWithCarry(const IR::Value& a, const IR::Value& b, const IR::Value& carry_in);
IR::Value Sub(const IR::Value& a, const IR::Value& b);
IR::Value Mul(const IR::Value& a, const IR::Value& b);
IR::Value Mul64(const IR::Value& a, const IR::Value& b);
IR::Value SignedMulHi(const IR::Value& a, const IR::Value& b);
IR::Value UnsignedMulHi(const IR::Value& a, const IR::Value& b);
IR::Value And(const IR::Value& a, const IR::Value& b);
IR::Value Eor(const IR::Value& a, const IR::Value& b);
IR::Value Or(const IR::Value& a, const IR::Value& b);
IR::Value Not(const IR::Value& a);
IR::Value SignExtendWordToLong(const IR::Value& a);
IR::Value SignExtendHalfToWord(const IR::Value& a);
IR::Value SignExtendByteToWord(const IR::Value& a);
IR::Value ZeroExtendWordToLong(const IR::Value& a);
IR::Value ZeroExtendHalfToWord(const IR::Value& a);
IR::Value ZeroExtendByteToWord(const IR::Value& a);
IR::Value ByteReverseWord(const IR::Value& a);
IR::Value ByteReverseHalf(const IR::Value& a);
IR::Value ByteReverseDual(const IR::Value& a);
IR::Value FPAdd32(const IR::Value& a, const IR::Value& b, bool fpscr_controlled);
IR::Value FPAdd64(const IR::Value& a, const IR::Value& b, bool fpscr_controlled);
IR::Value ReadMemory8(const IR::Value& vaddr);
IR::Value ReadMemory16(const IR::Value& vaddr);
IR::Value ReadMemory32(const IR::Value& vaddr);
IR::Value ReadMemory64(const IR::Value& vaddr);
void WriteMemory8(const IR::Value& vaddr, const IR::Value& value);
void WriteMemory16(const IR::Value& vaddr, const IR::Value& value);
void WriteMemory32(const IR::Value& vaddr, const IR::Value& value);
void WriteMemory64(const IR::Value& vaddr, const IR::Value& value);
void Breakpoint();
void SetTerm(const IR::Terminal& terminal);
private:
IR::Value Inst(IR::Opcode op, std::initializer_list<IR::Value> args);
};
} // namespace Arm
} // namespace Dynarmic