a32/exception_generating: BPKT: Define unpredictable behaviour
Define unpredictable behaviour to be BKPT executes conditionally
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1 changed files with 8 additions and 4 deletions
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@ -11,13 +11,17 @@
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namespace Dynarmic::A32 {
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namespace Dynarmic::A32 {
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bool ArmTranslatorVisitor::arm_BKPT(Cond cond, Imm12 /*imm12*/, Imm4 /*imm4*/) {
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bool ArmTranslatorVisitor::arm_BKPT(Cond cond, Imm12 /*imm12*/, Imm4 /*imm4*/) {
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if (cond != Cond::AL) {
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if (cond != Cond::AL && !options.define_unpredictable_behaviour) {
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return UnpredictableInstruction();
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return UnpredictableInstruction();
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}
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}
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// UNPREDICTABLE: The instruction executes conditionally.
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if (ConditionPassed(cond)) {
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ir.ExceptionRaised(Exception::Breakpoint);
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ir.ExceptionRaised(Exception::Breakpoint);
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ir.SetTerm(IR::Term::CheckHalt{IR::Term::ReturnToDispatch{}});
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ir.SetTerm(IR::Term::CheckHalt{IR::Term::ReturnToDispatch{}});
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return false;
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return false;
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}
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return true;
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}
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}
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bool ArmTranslatorVisitor::arm_SVC(Cond cond, Imm24 imm24) {
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bool ArmTranslatorVisitor::arm_SVC(Cond cond, Imm24 imm24) {
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