mirror of
https://github.com/azahar-emu/dynarmic
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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2016 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#include <dynarmic/A32/config.h>
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#include "frontend/A32/translate/impl/translate_arm.h"
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namespace Dynarmic::A32 {
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// BKPT #<imm16>
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bool ArmTranslatorVisitor::arm_BKPT(Cond cond, Imm<12> /*imm12*/, Imm<4> /*imm4*/) {
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if (cond != Cond::AL && !options.define_unpredictable_behaviour) {
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return UnpredictableInstruction();
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}
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// UNPREDICTABLE: The instruction executes conditionally.
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if (!ConditionPassed(cond)) {
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return true;
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}
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ir.ExceptionRaised(Exception::Breakpoint);
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ir.SetTerm(IR::Term::CheckHalt{IR::Term::ReturnToDispatch{}});
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return false;
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}
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// SVC<c> #<imm24>
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bool ArmTranslatorVisitor::arm_SVC(Cond cond, Imm<24> imm24) {
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if (!ConditionPassed(cond)) {
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return true;
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}
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const u32 imm32 = imm24.ZeroExtend();
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ir.PushRSB(ir.current_location.AdvancePC(4));
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ir.BranchWritePC(ir.Imm32(ir.current_location.PC() + 4));
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ir.CallSupervisor(ir.Imm32(imm32));
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ir.SetTerm(IR::Term::CheckHalt{IR::Term::PopRSBHint{}});
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return false;
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}
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// UDF<c> #<imm16>
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bool ArmTranslatorVisitor::arm_UDF() {
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return UndefinedInstruction();
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}
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} // namespace Dynarmic::A32
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