dynarmic/src/frontend/A32/translate/translate_arm/exception_generating.cpp
Lioncash 4ba2318b2e A32: Replace immediate type aliases with the Imm template
Replaces type aliases of raw integral types with the more type-safe Imm
template, like how the AArch64 frontend has been using it.

This makes the two frontends more consistent with one another.
2020-04-22 21:02:46 +01:00

49 lines
1.3 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.
*/
#include "translate_arm.h"
#include "dynarmic/A32/config.h"
namespace Dynarmic::A32 {
// BKPT #<imm16>
bool ArmTranslatorVisitor::arm_BKPT(Cond cond, Imm<12> /*imm12*/, Imm<4> /*imm4*/) {
if (cond != Cond::AL && !options.define_unpredictable_behaviour) {
return UnpredictableInstruction();
}
// UNPREDICTABLE: The instruction executes conditionally.
if (!ConditionPassed(cond)) {
return true;
}
ir.ExceptionRaised(Exception::Breakpoint);
ir.SetTerm(IR::Term::CheckHalt{IR::Term::ReturnToDispatch{}});
return false;
}
// SVC<c> #<imm24>
bool ArmTranslatorVisitor::arm_SVC(Cond cond, Imm<24> imm24) {
if (!ConditionPassed(cond)) {
return true;
}
const u32 imm32 = imm24.ZeroExtend();
ir.PushRSB(ir.current_location.AdvancePC(4));
ir.BranchWritePC(ir.Imm32(ir.current_location.PC() + 4));
ir.CallSupervisor(ir.Imm32(imm32));
ir.SetTerm(IR::Term::CheckHalt{IR::Term::PopRSBHint{}});
return false;
}
// UDF<c> #<imm16>
bool ArmTranslatorVisitor::arm_UDF() {
return UndefinedInstruction();
}
} // namespace Dynarmic::A32