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https://github.com/pineappleEA/pineapple-src.git
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118 lines
3.8 KiB
C++
Executable File
118 lines
3.8 KiB
C++
Executable File
/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#pragma once
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#include <array>
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#include <cstring>
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#include <map>
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#include <string>
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#include <vector>
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#include <dynarmic/A32/a32.h>
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#include "common/assert.h"
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#include "common/common_types.h"
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template <typename InstructionType_, u32 infinite_loop_u32>
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class A32TestEnv final : public Dynarmic::A32::UserCallbacks {
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public:
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using InstructionType = InstructionType_;
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using RegisterArray = std::array<u32, 16>;
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using ExtRegsArray = std::array<u32, 64>;
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable:4309) // C4309: 'static_cast': truncation of constant value
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#endif
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static constexpr InstructionType infinite_loop = static_cast<InstructionType>(infinite_loop_u32);
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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u64 ticks_left = 0;
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bool code_mem_modified_by_guest = false;
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std::vector<InstructionType> code_mem;
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std::map<u32, u8> modified_memory;
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std::vector<std::string> interrupts;
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void PadCodeMem() {
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do {
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code_mem.push_back(infinite_loop);
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} while (code_mem.size() % 2 != 0);
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}
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bool IsInCodeMem(u32 vaddr) const {
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return vaddr < sizeof(InstructionType) * code_mem.size();
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}
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std::uint32_t MemoryReadCode(u32 vaddr) override {
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if (IsInCodeMem(vaddr)) {
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u32 value;
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std::memcpy(&value, &code_mem[vaddr / sizeof(InstructionType)], sizeof(u32));
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return value;
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}
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return infinite_loop_u32; // B .
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}
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std::uint8_t MemoryRead8(u32 vaddr) override {
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if (IsInCodeMem(vaddr)) {
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return reinterpret_cast<u8*>(code_mem.data())[vaddr];
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}
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if (auto iter = modified_memory.find(vaddr); iter != modified_memory.end()) {
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return iter->second;
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}
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return static_cast<u8>(vaddr);
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}
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std::uint16_t MemoryRead16(u32 vaddr) override {
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return u16(MemoryRead8(vaddr)) | u16(MemoryRead8(vaddr + 1)) << 8;
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}
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std::uint32_t MemoryRead32(u32 vaddr) override {
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return u32(MemoryRead16(vaddr)) | u32(MemoryRead16(vaddr + 2)) << 16;
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}
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std::uint64_t MemoryRead64(u32 vaddr) override {
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return u64(MemoryRead32(vaddr)) | u64(MemoryRead32(vaddr + 4)) << 32;
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}
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void MemoryWrite8(u32 vaddr, std::uint8_t value) override {
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if (vaddr < code_mem.size() * sizeof(u32)) {
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code_mem_modified_by_guest = true;
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}
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modified_memory[vaddr] = value;
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}
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void MemoryWrite16(u32 vaddr, std::uint16_t value) override {
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MemoryWrite8(vaddr, static_cast<u8>(value));
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MemoryWrite8(vaddr + 1, static_cast<u8>(value >> 8));
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}
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void MemoryWrite32(u32 vaddr, std::uint32_t value) override {
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MemoryWrite16(vaddr, static_cast<u16>(value));
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MemoryWrite16(vaddr + 2, static_cast<u16>(value >> 16));
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}
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void MemoryWrite64(u32 vaddr, std::uint64_t value) override {
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MemoryWrite32(vaddr, static_cast<u32>(value));
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MemoryWrite32(vaddr + 4, static_cast<u32>(value >> 32));
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}
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void InterpreterFallback(u32 pc, size_t num_instructions) override { ASSERT_MSG(false, "InterpreterFallback({:08x}, {}) code = {:08x}", pc, num_instructions, MemoryReadCode(pc)); }
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void CallSVC(std::uint32_t swi) override { ASSERT_MSG(false, "CallSVC({})", swi); }
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void ExceptionRaised(u32 pc, Dynarmic::A32::Exception /*exception*/) override { ASSERT_MSG(false, "ExceptionRaised({:08x}) code = {:08x}", pc, MemoryReadCode(pc)); }
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void AddTicks(std::uint64_t ticks) override {
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if (ticks > ticks_left) {
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ticks_left = 0;
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return;
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}
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ticks_left -= ticks;
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}
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std::uint64_t GetTicksRemaining() override {
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return ticks_left;
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}
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};
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using ArmTestEnv = A32TestEnv<u32, 0xEAFFFFFE>;
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using ThumbTestEnv = A32TestEnv<u16, 0xE7FEE7FE>;
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