From 64facb403ed31d3cb6aa594711705b7ace32e932 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sun, 1 Mar 2020 00:40:25 -0500 Subject: core: dynarmic: Add CP15 from Citra. --- src/core/CMakeLists.txt | 2 + src/core/arm/dynarmic/arm_dynarmic_cp15.cpp | 80 +++++++++++++++ src/core/arm/dynarmic/arm_dynarmic_cp15.h | 152 ++++++++++++++++++++++++++++ 3 files changed, 234 insertions(+) create mode 100644 src/core/arm/dynarmic/arm_dynarmic_cp15.cpp create mode 100644 src/core/arm/dynarmic/arm_dynarmic_cp15.h (limited to 'src/core') diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 54be7dc0c..df1e62d4f 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -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() diff --git a/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp new file mode 100644 index 000000000..3fdcdebde --- /dev/null +++ b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp @@ -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 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(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(CP15Register::CP15_DATA_SYNC_BARRIER)]; + case 5: + // This is a dummy write, we ignore the value written here. + return &CP15[static_cast(CP15Register::CP15_DATA_MEMORY_BARRIER)]; + default: + return {}; + } + } + + if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0 && opc2 == 2) { + return &CP15[static_cast(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(CP15Register::CP15_THREAD_UPRW)]; + case 3: + return &CP15[static_cast(CP15Register::CP15_THREAD_URO)]; + default: + return {}; + } + } + + return {}; +} + +CallbackOrAccessTwoWords DynarmicCP15::CompileGetTwoWords(bool two, unsigned opc, CoprocReg CRm) { + return {}; +} + +std::optional DynarmicCP15::CompileLoadWords(bool two, bool long_transfer, CoprocReg CRd, + std::optional option) { + return {}; +} + +std::optional DynarmicCP15::CompileStoreWords(bool two, bool long_transfer, CoprocReg CRd, + std::optional option) { + return {}; +} diff --git a/src/core/arm/dynarmic/arm_dynarmic_cp15.h b/src/core/arm/dynarmic/arm_dynarmic_cp15.h new file mode 100644 index 000000000..07bcde5f9 --- /dev/null +++ b/src/core/arm/dynarmic/arm_dynarmic_cp15.h @@ -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 +#include + +#include +#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 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 CompileLoadWords(bool two, bool long_transfer, CoprocReg CRd, + std::optional option) override; + std::optional CompileStoreWords(bool two, bool long_transfer, CoprocReg CRd, + std::optional option) override; + +private: + u32* CP15{}; +}; -- cgit v1.2.3