dynarmic/src/frontend/ir/ir_emitter.h
2016-08-13 00:10:23 +01:00

154 lines
7.1 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 {
/**
* Convenience class to construct a basic block of the intermediate representation.
* `block` is the resulting block.
* The user of this class updates `current_location` as appropriate.
*/
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);
void PushRSB(const LocationDescriptor& return_location);
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);
void OrQFlag(const IR::Value& value);
IR::Value Pack2x32To1x64(const IR::Value& lo, const IR::Value& hi);
IR::Value LeastSignificantWord(const IR::Value& value);
ResultAndCarry 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);
IR::Value LogicalShiftRight64(const IR::Value& value_in, const IR::Value& shift_amount);
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 Sub64(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 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 PackedSaturatedAddU8(const IR::Value& a, const IR::Value& b);
IR::Value PackedSaturatedAddS8(const IR::Value& a, const IR::Value& b);
IR::Value PackedSaturatedSubU8(const IR::Value& a, const IR::Value& b);
IR::Value PackedSaturatedSubS8(const IR::Value& a, const IR::Value& b);
IR::Value PackedSaturatedAddU16(const IR::Value& a, const IR::Value& b);
IR::Value PackedSaturatedAddS16(const IR::Value& a, const IR::Value& b);
IR::Value PackedSaturatedSubU16(const IR::Value& a, const IR::Value& b);
IR::Value PackedSaturatedSubS16(const IR::Value& a, const IR::Value& b);
IR::Value TransferToFP32(const IR::Value& a);
IR::Value TransferToFP64(const IR::Value& a);
IR::Value TransferFromFP32(const IR::Value& a);
IR::Value TransferFromFP64(const IR::Value& a);
IR::Value FPAbs32(const IR::Value& a);
IR::Value FPAbs64(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 FPDiv32(const IR::Value& a, const IR::Value& b, bool fpscr_controlled);
IR::Value FPDiv64(const IR::Value& a, const IR::Value& b, bool fpscr_controlled);
IR::Value FPMul32(const IR::Value& a, const IR::Value& b, bool fpscr_controlled);
IR::Value FPMul64(const IR::Value& a, const IR::Value& b, bool fpscr_controlled);
IR::Value FPNeg32(const IR::Value& a);
IR::Value FPNeg64(const IR::Value& a);
IR::Value FPSqrt32(const IR::Value& a);
IR::Value FPSqrt64(const IR::Value& a);
IR::Value FPSub32(const IR::Value& a, const IR::Value& b, bool fpscr_controlled);
IR::Value FPSub64(const IR::Value& a, const IR::Value& b, bool fpscr_controlled);
void ClearExlcusive();
void SetExclusive(const IR::Value& vaddr, size_t byte_size);
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);
IR::Value ExclusiveWriteMemory8(const IR::Value& vaddr, const IR::Value& value);
IR::Value ExclusiveWriteMemory16(const IR::Value& vaddr, const IR::Value& value);
IR::Value ExclusiveWriteMemory32(const IR::Value& vaddr, const IR::Value& value);
IR::Value ExclusiveWriteMemory64(const IR::Value& vaddr, const IR::Value& value_lo, const IR::Value& value_hi);
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