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core: dynarmic: Add CP15 from Citra.

nce_cpp
bunnei 6 years ago
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07f23df4cb
commit
9137455d86
3 changed files with 234 additions and 0 deletions
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  1. 2
      src/core/CMakeLists.txt
  2. 80
      src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
  3. 152
      src/core/arm/dynarmic/arm_dynarmic_cp15.h

2
src/core/CMakeLists.txt
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@ -597,6 +597,8 @@ if (ARCHITECTURE_x86_64)
target_sources(core PRIVATE
arm/dynarmic/arm_dynarmic.cpp
arm/dynarmic/arm_dynarmic.h
arm/dynarmic/arm_dynarmic_cp15.cpp
arm/dynarmic/arm_dynarmic_cp15.h
)
target_link_libraries(core PRIVATE dynarmic)
endif()

80
src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
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@ -0,0 +1,80 @@
// 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 {};
}

152
src/core/arm/dynarmic/arm_dynarmic_cp15.h
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@ -0,0 +1,152 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <optional>
#include <dynarmic/A32/coprocessor.h>
#include "common/common_types.h"
enum class CP15Register {
// c0 - Information registers
CP15_MAIN_ID,
CP15_CACHE_TYPE,
CP15_TCM_STATUS,
CP15_TLB_TYPE,
CP15_CPU_ID,
CP15_PROCESSOR_FEATURE_0,
CP15_PROCESSOR_FEATURE_1,
CP15_DEBUG_FEATURE_0,
CP15_AUXILIARY_FEATURE_0,
CP15_MEMORY_MODEL_FEATURE_0,
CP15_MEMORY_MODEL_FEATURE_1,
CP15_MEMORY_MODEL_FEATURE_2,
CP15_MEMORY_MODEL_FEATURE_3,
CP15_ISA_FEATURE_0,
CP15_ISA_FEATURE_1,
CP15_ISA_FEATURE_2,
CP15_ISA_FEATURE_3,
CP15_ISA_FEATURE_4,
// c1 - Control registers
CP15_CONTROL,
CP15_AUXILIARY_CONTROL,
CP15_COPROCESSOR_ACCESS_CONTROL,
// c2 - Translation table registers
CP15_TRANSLATION_BASE_TABLE_0,
CP15_TRANSLATION_BASE_TABLE_1,
CP15_TRANSLATION_BASE_CONTROL,
CP15_DOMAIN_ACCESS_CONTROL,
CP15_RESERVED,
// c5 - Fault status registers
CP15_FAULT_STATUS,
CP15_INSTR_FAULT_STATUS,
CP15_COMBINED_DATA_FSR = CP15_FAULT_STATUS,
CP15_INST_FSR,
// c6 - Fault Address registers
CP15_FAULT_ADDRESS,
CP15_COMBINED_DATA_FAR = CP15_FAULT_ADDRESS,
CP15_WFAR,
CP15_IFAR,
// c7 - Cache operation registers
CP15_WAIT_FOR_INTERRUPT,
CP15_PHYS_ADDRESS,
CP15_INVALIDATE_INSTR_CACHE,
CP15_INVALIDATE_INSTR_CACHE_USING_MVA,
CP15_INVALIDATE_INSTR_CACHE_USING_INDEX,
CP15_FLUSH_PREFETCH_BUFFER,
CP15_FLUSH_BRANCH_TARGET_CACHE,
CP15_FLUSH_BRANCH_TARGET_CACHE_ENTRY,
CP15_INVALIDATE_DATA_CACHE,
CP15_INVALIDATE_DATA_CACHE_LINE_USING_MVA,
CP15_INVALIDATE_DATA_CACHE_LINE_USING_INDEX,
CP15_INVALIDATE_DATA_AND_INSTR_CACHE,
CP15_CLEAN_DATA_CACHE,
CP15_CLEAN_DATA_CACHE_LINE_USING_MVA,
CP15_CLEAN_DATA_CACHE_LINE_USING_INDEX,
CP15_DATA_SYNC_BARRIER,
CP15_DATA_MEMORY_BARRIER,
CP15_CLEAN_AND_INVALIDATE_DATA_CACHE,
CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_MVA,
CP15_CLEAN_AND_INVALIDATE_DATA_CACHE_LINE_USING_INDEX,
// c8 - TLB operations
CP15_INVALIDATE_ITLB,
CP15_INVALIDATE_ITLB_SINGLE_ENTRY,
CP15_INVALIDATE_ITLB_ENTRY_ON_ASID_MATCH,
CP15_INVALIDATE_ITLB_ENTRY_ON_MVA,
CP15_INVALIDATE_DTLB,
CP15_INVALIDATE_DTLB_SINGLE_ENTRY,
CP15_INVALIDATE_DTLB_ENTRY_ON_ASID_MATCH,
CP15_INVALIDATE_DTLB_ENTRY_ON_MVA,
CP15_INVALIDATE_UTLB,
CP15_INVALIDATE_UTLB_SINGLE_ENTRY,
CP15_INVALIDATE_UTLB_ENTRY_ON_ASID_MATCH,
CP15_INVALIDATE_UTLB_ENTRY_ON_MVA,
// c9 - Data cache lockdown register
CP15_DATA_CACHE_LOCKDOWN,
// c10 - TLB/Memory map registers
CP15_TLB_LOCKDOWN,
CP15_PRIMARY_REGION_REMAP,
CP15_NORMAL_REGION_REMAP,
// c13 - Thread related registers
CP15_PID,
CP15_CONTEXT_ID,
CP15_THREAD_UPRW, // Thread ID register - User/Privileged Read/Write
CP15_THREAD_URO, // Thread ID register - User Read Only (Privileged R/W)
CP15_THREAD_PRW, // Thread ID register - Privileged R/W only.
// c15 - Performance and TLB lockdown registers
CP15_PERFORMANCE_MONITOR_CONTROL,
CP15_CYCLE_COUNTER,
CP15_COUNT_0,
CP15_COUNT_1,
CP15_READ_MAIN_TLB_LOCKDOWN_ENTRY,
CP15_WRITE_MAIN_TLB_LOCKDOWN_ENTRY,
CP15_MAIN_TLB_LOCKDOWN_VIRT_ADDRESS,
CP15_MAIN_TLB_LOCKDOWN_PHYS_ADDRESS,
CP15_MAIN_TLB_LOCKDOWN_ATTRIBUTE,
CP15_TLB_DEBUG_CONTROL,
// Skyeye defined
CP15_TLB_FAULT_ADDR,
CP15_TLB_FAULT_STATUS,
// Not an actual register.
// All registers should be defined above this.
CP15_REGISTER_COUNT,
};
class DynarmicCP15 final : public Dynarmic::A32::Coprocessor {
public:
using CoprocReg = Dynarmic::A32::CoprocReg;
explicit DynarmicCP15(u32* cp15) : CP15(cp15){};
std::optional<Callback> CompileInternalOperation(bool two, unsigned opc1, CoprocReg CRd,
CoprocReg CRn, CoprocReg CRm,
unsigned opc2) override;
CallbackOrAccessOneWord CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
CoprocReg CRm, unsigned opc2) override;
CallbackOrAccessTwoWords CompileSendTwoWords(bool two, unsigned opc, CoprocReg CRm) override;
CallbackOrAccessOneWord CompileGetOneWord(bool two, unsigned opc1, CoprocReg CRn, CoprocReg CRm,
unsigned opc2) override;
CallbackOrAccessTwoWords CompileGetTwoWords(bool two, unsigned opc, CoprocReg CRm) override;
std::optional<Callback> CompileLoadWords(bool two, bool long_transfer, CoprocReg CRd,
std::optional<u8> option) override;
std::optional<Callback> CompileStoreWords(bool two, bool long_transfer, CoprocReg CRd,
std::optional<u8> option) override;
private:
u32* CP15{};
};
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