71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2019 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#pragma once
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#include "common/common_types.h"
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#include "common/bit_util.h"
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#include "frontend/ir/cond.h"
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namespace Dynarmic::A32 {
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class ITState final {
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public:
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ITState() = default;
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explicit ITState(u8 data) : value(data) {}
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ITState& operator=(u8 data) {
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value = data;
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return *this;
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}
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IR::Cond Cond() const {
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return static_cast<IR::Cond>(Common::Bits<4, 7>(value));
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}
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void Cond(IR::Cond cond) {
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value = Common::ModifyBits<4, 7>(value, static_cast<u8>(cond));
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}
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u8 Mask() const {
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return Common::Bits<0, 3>(value);
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}
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void Mask(u8 mask) {
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value = Common::ModifyBits<0, 3>(value, mask);
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}
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bool IsInITBlock() const {
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return Mask() != 0b0000;
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}
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bool IsLastInITBlock() const {
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return Mask() == 0b1000;
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}
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ITState Advance() const {
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ITState result{*this};
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result.Mask(result.Mask() << 1);
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if (result.Mask() == 0) {
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return ITState{0};
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}
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return result;
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}
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u8 Value() const {
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return value;
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}
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private:
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u8 value;
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};
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inline bool operator==(ITState lhs, ITState rhs) {
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return lhs.Value() == rhs.Value();
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}
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inline bool operator!=(ITState lhs, ITState rhs) {
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return !operator==(lhs, rhs);
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}
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} // namespace Dynarmic::A32
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