forked from suyu/suyu
88 lines
3.4 KiB
C++
88 lines
3.4 KiB
C++
// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/arm/dynarmic/arm_dynarmic_cp15.h"
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#include "core/arm/skyeye_common/arm_regformat.h"
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#include "core/arm/skyeye_common/armstate.h"
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using Callback = Dynarmic::Coprocessor::Callback;
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using CallbackOrAccessOneWord = Dynarmic::Coprocessor::CallbackOrAccessOneWord;
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using CallbackOrAccessTwoWords = Dynarmic::Coprocessor::CallbackOrAccessTwoWords;
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DynarmicCP15::DynarmicCP15(const std::shared_ptr<ARMul_State>& state) : interpreter_state(state) {}
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DynarmicCP15::~DynarmicCP15() = default;
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boost::optional<Callback> DynarmicCP15::CompileInternalOperation(bool two, unsigned opc1,
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CoprocReg CRd, CoprocReg CRn,
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CoprocReg CRm, unsigned opc2) {
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return boost::none;
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}
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CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
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CoprocReg CRm, unsigned opc2) {
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// TODO(merry): Privileged CP15 registers
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if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C5 && opc2 == 4) {
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// This is a dummy write, we ignore the value written here.
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return &interpreter_state->CP15[CP15_FLUSH_PREFETCH_BUFFER];
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}
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if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C10) {
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switch (opc2) {
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case 4:
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// This is a dummy write, we ignore the value written here.
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return &interpreter_state->CP15[CP15_DATA_SYNC_BARRIER];
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case 5:
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// This is a dummy write, we ignore the value written here.
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return &interpreter_state->CP15[CP15_DATA_MEMORY_BARRIER];
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default:
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return boost::blank{};
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}
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}
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if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0 && opc2 == 2) {
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return &interpreter_state->CP15[CP15_THREAD_UPRW];
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}
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return boost::blank{};
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}
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CallbackOrAccessTwoWords DynarmicCP15::CompileSendTwoWords(bool two, unsigned opc, CoprocReg CRm) {
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return boost::blank{};
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}
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CallbackOrAccessOneWord DynarmicCP15::CompileGetOneWord(bool two, unsigned opc1, CoprocReg CRn,
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CoprocReg CRm, unsigned opc2) {
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// TODO(merry): Privileged CP15 registers
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if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0) {
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switch (opc2) {
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case 2:
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return &interpreter_state->CP15[CP15_THREAD_UPRW];
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case 3:
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return &interpreter_state->CP15[CP15_THREAD_URO];
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default:
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return boost::blank{};
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}
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}
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return boost::blank{};
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}
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CallbackOrAccessTwoWords DynarmicCP15::CompileGetTwoWords(bool two, unsigned opc, CoprocReg CRm) {
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return boost::blank{};
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}
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boost::optional<Callback> DynarmicCP15::CompileLoadWords(bool two, bool long_transfer,
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CoprocReg CRd,
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boost::optional<u8> option) {
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return boost::none;
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}
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boost::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_transfer,
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CoprocReg CRd,
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boost::optional<u8> option) {
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return boost::none;
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}
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