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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 <map>
#include <mcl/assert.hpp>
#include <mcl/stdint.hpp>
#include "dynarmic/interface/A64/a64.h"
using Vector = Dynarmic::A64::Vector;
class A64TestEnv : public Dynarmic::A64::UserCallbacks {
public:
u64 ticks_left = 0;
bool code_mem_modified_by_guest = false;
u64 code_mem_start_address = 0;
std::vector<u32> code_mem;
std::map<u64, u8> modified_memory;
std::vector<std::string> interrupts;
bool IsInCodeMem(u64 vaddr) const {
return vaddr >= code_mem_start_address && vaddr < code_mem_start_address + code_mem.size() * 4;
}
std::optional<std::uint32_t> MemoryReadCode(u64 vaddr) override {
if (!IsInCodeMem(vaddr)) {
return 0x14000000; // B .
}
const size_t index = (vaddr - code_mem_start_address) / 4;
return code_mem[index];
}
std::uint8_t MemoryRead8(u64 vaddr) override {
if (IsInCodeMem(vaddr)) {
return reinterpret_cast<u8*>(code_mem.data())[vaddr - code_mem_start_address];
}
if (auto iter = modified_memory.find(vaddr); iter != modified_memory.end()) {
return iter->second;
}
return static_cast<u8>(vaddr);
}
std::uint16_t MemoryRead16(u64 vaddr) override {
return u16(MemoryRead8(vaddr)) | u16(MemoryRead8(vaddr + 1)) << 8;
}
std::uint32_t MemoryRead32(u64 vaddr) override {
return u32(MemoryRead16(vaddr)) | u32(MemoryRead16(vaddr + 2)) << 16;
}
std::uint64_t MemoryRead64(u64 vaddr) override {
return u64(MemoryRead32(vaddr)) | u64(MemoryRead32(vaddr + 4)) << 32;
}
Vector MemoryRead128(u64 vaddr) override {
return {MemoryRead64(vaddr), MemoryRead64(vaddr + 8)};
}
void MemoryWrite8(u64 vaddr, std::uint8_t value) override {
if (IsInCodeMem(vaddr)) {
code_mem_modified_by_guest = true;
}
modified_memory[vaddr] = value;
}
void MemoryWrite16(u64 vaddr, std::uint16_t value) override {
MemoryWrite8(vaddr, static_cast<u8>(value));
MemoryWrite8(vaddr + 1, static_cast<u8>(value >> 8));
}
void MemoryWrite32(u64 vaddr, std::uint32_t value) override {
MemoryWrite16(vaddr, static_cast<u16>(value));
MemoryWrite16(vaddr + 2, static_cast<u16>(value >> 16));
}
void MemoryWrite64(u64 vaddr, std::uint64_t value) override {
MemoryWrite32(vaddr, static_cast<u32>(value));
MemoryWrite32(vaddr + 4, static_cast<u32>(value >> 32));
}
void MemoryWrite128(u64 vaddr, Vector value) override {
MemoryWrite64(vaddr, value[0]);
MemoryWrite64(vaddr + 8, value[1]);
}
bool MemoryWriteExclusive8(u64 vaddr, std::uint8_t value, [[maybe_unused]] std::uint8_t expected) override {
MemoryWrite8(vaddr, value);
return true;
}
bool MemoryWriteExclusive16(u64 vaddr, std::uint16_t value, [[maybe_unused]] std::uint16_t expected) override {
MemoryWrite16(vaddr, value);
return true;
}
bool MemoryWriteExclusive32(u64 vaddr, std::uint32_t value, [[maybe_unused]] std::uint32_t expected) override {
MemoryWrite32(vaddr, value);
return true;
}
bool MemoryWriteExclusive64(u64 vaddr, std::uint64_t value, [[maybe_unused]] std::uint64_t expected) override {
MemoryWrite64(vaddr, value);
return true;
}
bool MemoryWriteExclusive128(u64 vaddr, Vector value, [[maybe_unused]] Vector expected) override {
MemoryWrite128(vaddr, value);
return true;
}
void InterpreterFallback(u64 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(u64 pc, Dynarmic::A64::Exception /*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;
}
std::uint64_t GetCNTPCT() override {
return 0x10000000000 - ticks_left;
}
};
class A64FastmemTestEnv final : public Dynarmic::A64::UserCallbacks {
public:
u64 ticks_left = 0;
char* backing_memory = nullptr;
explicit A64FastmemTestEnv(char* addr)
: backing_memory(addr) {}
template<typename T>
T read(u64 vaddr) {
T value;
memcpy(&value, backing_memory + vaddr, sizeof(T));
return value;
}
template<typename T>
void write(u64 vaddr, const T& value) {
memcpy(backing_memory + vaddr, &value, sizeof(T));
}
std::optional<std::uint32_t> MemoryReadCode(u64 vaddr) override {
return read<std::uint32_t>(vaddr);
}
std::uint8_t MemoryRead8(u64 vaddr) override {
return read<std::uint8_t>(vaddr);
}
std::uint16_t MemoryRead16(u64 vaddr) override {
return read<std::uint16_t>(vaddr);
}
std::uint32_t MemoryRead32(u64 vaddr) override {
return read<std::uint32_t>(vaddr);
}
std::uint64_t MemoryRead64(u64 vaddr) override {
return read<std::uint64_t>(vaddr);
}
Vector MemoryRead128(u64 vaddr) override {
return read<Vector>(vaddr);
}
void MemoryWrite8(u64 vaddr, std::uint8_t value) override {
write(vaddr, value);
}
void MemoryWrite16(u64 vaddr, std::uint16_t value) override {
write(vaddr, value);
}
void MemoryWrite32(u64 vaddr, std::uint32_t value) override {
write(vaddr, value);
}
void MemoryWrite64(u64 vaddr, std::uint64_t value) override {
write(vaddr, value);
}
void MemoryWrite128(u64 vaddr, Vector value) override {
write(vaddr, value);
}
bool MemoryWriteExclusive8(u64 vaddr, std::uint8_t value, [[maybe_unused]] std::uint8_t expected) override {
MemoryWrite8(vaddr, value);
return true;
}
bool MemoryWriteExclusive16(u64 vaddr, std::uint16_t value, [[maybe_unused]] std::uint16_t expected) override {
MemoryWrite16(vaddr, value);
return true;
}
bool MemoryWriteExclusive32(u64 vaddr, std::uint32_t value, [[maybe_unused]] std::uint32_t expected) override {
MemoryWrite32(vaddr, value);
return true;
}
bool MemoryWriteExclusive64(u64 vaddr, std::uint64_t value, [[maybe_unused]] std::uint64_t expected) override {
MemoryWrite64(vaddr, value);
return true;
}
bool MemoryWriteExclusive128(u64 vaddr, Vector value, [[maybe_unused]] Vector expected) override {
MemoryWrite128(vaddr, value);
return true;
}
void InterpreterFallback(u64 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(u64 pc, Dynarmic::A64::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;
}
std::uint64_t GetCNTPCT() override {
return 0x10000000000 - ticks_left;
}
};
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