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- /* This file is part of the dynarmic project.
- * Copyright (c) 2018 MerryMage
- * SPDX-License-Identifier: 0BSD
- */
- #pragma once
- #include <array>
- #include <cstring>
- #include <map>
- #include <string>
- #include <vector>
- #include <mcl/assert.hpp>
- #include <mcl/stdint.hpp>
- #include "dynarmic/interface/A32/a32.h"
- template<typename InstructionType_, u32 infinite_loop_u32>
- class A32TestEnv : public Dynarmic::A32::UserCallbacks {
- public:
- using InstructionType = InstructionType_;
- using RegisterArray = std::array<u32, 16>;
- using ExtRegsArray = std::array<u32, 64>;
- #ifdef _MSC_VER
- # pragma warning(push)
- # pragma warning(disable : 4309) // C4309: 'static_cast': truncation of constant value
- #endif
- static constexpr InstructionType infinite_loop = static_cast<InstructionType>(infinite_loop_u32);
- #ifdef _MSC_VER
- # pragma warning(pop)
- #endif
- u64 ticks_left = 0;
- bool code_mem_modified_by_guest = false;
- std::vector<InstructionType> code_mem;
- std::map<u32, u8> modified_memory;
- std::vector<std::string> interrupts;
- void PadCodeMem() {
- do {
- code_mem.push_back(infinite_loop);
- } while (code_mem.size() % 2 != 0);
- }
- bool IsInCodeMem(u32 vaddr) const {
- return vaddr < sizeof(InstructionType) * code_mem.size();
- }
- std::optional<std::uint32_t> MemoryReadCode(u32 vaddr) override {
- if (IsInCodeMem(vaddr)) {
- u32 value;
- std::memcpy(&value, &code_mem[vaddr / sizeof(InstructionType)], sizeof(u32));
- return value;
- }
- return infinite_loop_u32; // B .
- }
- std::uint8_t MemoryRead8(u32 vaddr) override {
- if (IsInCodeMem(vaddr)) {
- return reinterpret_cast<u8*>(code_mem.data())[vaddr];
- }
- if (auto iter = modified_memory.find(vaddr); iter != modified_memory.end()) {
- return iter->second;
- }
- return static_cast<u8>(vaddr);
- }
- std::uint16_t MemoryRead16(u32 vaddr) override {
- return u16(MemoryRead8(vaddr)) | u16(MemoryRead8(vaddr + 1)) << 8;
- }
- std::uint32_t MemoryRead32(u32 vaddr) override {
- return u32(MemoryRead16(vaddr)) | u32(MemoryRead16(vaddr + 2)) << 16;
- }
- std::uint64_t MemoryRead64(u32 vaddr) override {
- return u64(MemoryRead32(vaddr)) | u64(MemoryRead32(vaddr + 4)) << 32;
- }
- void MemoryWrite8(u32 vaddr, std::uint8_t value) override {
- if (vaddr < code_mem.size() * sizeof(u32)) {
- code_mem_modified_by_guest = true;
- }
- modified_memory[vaddr] = value;
- }
- void MemoryWrite16(u32 vaddr, std::uint16_t value) override {
- MemoryWrite8(vaddr, static_cast<u8>(value));
- MemoryWrite8(vaddr + 1, static_cast<u8>(value >> 8));
- }
- void MemoryWrite32(u32 vaddr, std::uint32_t value) override {
- MemoryWrite16(vaddr, static_cast<u16>(value));
- MemoryWrite16(vaddr + 2, static_cast<u16>(value >> 16));
- }
- void MemoryWrite64(u32 vaddr, std::uint64_t value) override {
- MemoryWrite32(vaddr, static_cast<u32>(value));
- MemoryWrite32(vaddr + 4, static_cast<u32>(value >> 32));
- }
- void InterpreterFallback(u32 pc, size_t num_instructions) override { ASSERT_MSG(false, "InterpreterFallback({:08x}, {}) code = {:08x}", pc, num_instructions, *MemoryReadCode(pc)); }
- void CallSVC(std::uint32_t swi) override { ASSERT_MSG(false, "CallSVC({})", swi); }
- void ExceptionRaised(u32 pc, Dynarmic::A32::Exception /*exception*/) override { ASSERT_MSG(false, "ExceptionRaised({:08x}) code = {:08x}", pc, *MemoryReadCode(pc)); }
- void AddTicks(std::uint64_t ticks) override {
- if (ticks > ticks_left) {
- ticks_left = 0;
- return;
- }
- ticks_left -= ticks;
- }
- std::uint64_t GetTicksRemaining() override {
- return ticks_left;
- }
- };
- using ArmTestEnv = A32TestEnv<u32, 0xEAFFFFFE>;
- using ThumbTestEnv = A32TestEnv<u16, 0xE7FEE7FE>;
- class A32FastmemTestEnv final : public Dynarmic::A32::UserCallbacks {
- public:
- u64 ticks_left = 0;
- char* backing_memory = nullptr;
- explicit A32FastmemTestEnv(char* addr)
- : backing_memory(addr) {}
- template<typename T>
- T read(std::uint32_t vaddr) {
- T value;
- memcpy(&value, backing_memory + vaddr, sizeof(T));
- return value;
- }
- template<typename T>
- void write(std::uint32_t vaddr, const T& value) {
- memcpy(backing_memory + vaddr, &value, sizeof(T));
- }
- std::optional<std::uint32_t> MemoryReadCode(std::uint32_t vaddr) override {
- return read<std::uint32_t>(vaddr);
- }
- std::uint8_t MemoryRead8(std::uint32_t vaddr) override {
- return read<std::uint8_t>(vaddr);
- }
- std::uint16_t MemoryRead16(std::uint32_t vaddr) override {
- return read<std::uint16_t>(vaddr);
- }
- std::uint32_t MemoryRead32(std::uint32_t vaddr) override {
- return read<std::uint32_t>(vaddr);
- }
- std::uint64_t MemoryRead64(std::uint32_t vaddr) override {
- return read<std::uint64_t>(vaddr);
- }
- void MemoryWrite8(std::uint32_t vaddr, std::uint8_t value) override {
- write(vaddr, value);
- }
- void MemoryWrite16(std::uint32_t vaddr, std::uint16_t value) override {
- write(vaddr, value);
- }
- void MemoryWrite32(std::uint32_t vaddr, std::uint32_t value) override {
- write(vaddr, value);
- }
- void MemoryWrite64(std::uint32_t vaddr, std::uint64_t value) override {
- write(vaddr, value);
- }
- bool MemoryWriteExclusive8(std::uint32_t vaddr, std::uint8_t value, [[maybe_unused]] std::uint8_t expected) override {
- MemoryWrite8(vaddr, value);
- return true;
- }
- bool MemoryWriteExclusive16(std::uint32_t vaddr, std::uint16_t value, [[maybe_unused]] std::uint16_t expected) override {
- MemoryWrite16(vaddr, value);
- return true;
- }
- bool MemoryWriteExclusive32(std::uint32_t vaddr, std::uint32_t value, [[maybe_unused]] std::uint32_t expected) override {
- MemoryWrite32(vaddr, value);
- return true;
- }
- bool MemoryWriteExclusive64(std::uint32_t vaddr, std::uint64_t value, [[maybe_unused]] std::uint64_t expected) override {
- MemoryWrite64(vaddr, value);
- return true;
- }
- void InterpreterFallback(std::uint32_t pc, size_t num_instructions) override { ASSERT_MSG(false, "InterpreterFallback({:016x}, {})", pc, num_instructions); }
- void CallSVC(std::uint32_t swi) override { ASSERT_MSG(false, "CallSVC({})", swi); }
- void ExceptionRaised(std::uint32_t pc, Dynarmic::A32::Exception) override { ASSERT_MSG(false, "ExceptionRaised({:016x})", pc); }
- void AddTicks(std::uint64_t ticks) override {
- if (ticks > ticks_left) {
- ticks_left = 0;
- return;
- }
- ticks_left -= ticks;
- }
- std::uint64_t GetTicksRemaining() override {
- return ticks_left;
- }
- };
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