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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/arm/dynarmic/arm_dynarmic_cp15.h"
using Callback = Dynarmic::A32::Coprocessor::Callback;
using CallbackOrAccessOneWord = Dynarmic::A32::Coprocessor::CallbackOrAccessOneWord;
using CallbackOrAccessTwoWords = Dynarmic::A32::Coprocessor::CallbackOrAccessTwoWords;
std::optional<Callback> DynarmicCP15::CompileInternalOperation(bool two, unsigned opc1,
CoprocReg CRd, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
return {};
}
CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
// TODO(merry): Privileged CP15 registers
if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C5 && opc2 == 4) {
// This is a dummy write, we ignore the value written here.
return &CP15[static_cast<std::size_t>(CP15Register::CP15_FLUSH_PREFETCH_BUFFER)];
}
if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C10) {
switch (opc2) {
case 4:
// This is a dummy write, we ignore the value written here.
return &CP15[static_cast<std::size_t>(CP15Register::CP15_DATA_SYNC_BARRIER)];
case 5:
// This is a dummy write, we ignore the value written here.
return &CP15[static_cast<std::size_t>(CP15Register::CP15_DATA_MEMORY_BARRIER)];
default:
return {};
}
}
if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0 && opc2 == 2) {
return &CP15[static_cast<std::size_t>(CP15Register::CP15_THREAD_UPRW)];
}
return {};
}
CallbackOrAccessTwoWords DynarmicCP15::CompileSendTwoWords(bool two, unsigned opc, CoprocReg CRm) {
return {};
}
CallbackOrAccessOneWord DynarmicCP15::CompileGetOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) {
// TODO(merry): Privileged CP15 registers
if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0) {
switch (opc2) {
case 2:
return &CP15[static_cast<std::size_t>(CP15Register::CP15_THREAD_UPRW)];
case 3:
return &CP15[static_cast<std::size_t>(CP15Register::CP15_THREAD_URO)];
default:
return {};
}
}
return {};
}
CallbackOrAccessTwoWords DynarmicCP15::CompileGetTwoWords(bool two, unsigned opc, CoprocReg CRm) {
return {};
}
std::optional<Callback> DynarmicCP15::CompileLoadWords(bool two, bool long_transfer, CoprocReg CRd,
std::optional<u8> option) {
return {};
}
std::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_transfer, CoprocReg CRd,
std::optional<u8> option) {
return {};
}
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