427 lines
13 KiB
C++
427 lines
13 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2023 MerryMage
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* SPDX-License-Identifier: 0BSD
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*/
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#include <array>
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#include <iostream>
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#include <string>
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#include <string_view>
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#include <vector>
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#include <fmt/format.h>
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#include <mcl/stdint.hpp>
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#include "./A32/testenv.h"
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#include "./A64/testenv.h"
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#include "dynarmic/common/fp/fpsr.h"
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#include "dynarmic/interface/A32/a32.h"
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#include "dynarmic/interface/A64/a64.h"
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const bool mask_fpsr_cum_bits = true;
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using namespace Dynarmic;
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void SkipWhitespace(std::string_view& sv) {
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auto nextpos{sv.find_first_not_of(' ')};
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if (nextpos != std::string::npos) {
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sv.remove_prefix(nextpos);
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}
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}
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void SkipHeader(std::string_view& sv) {
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sv.remove_prefix(sv.find_first_of(':') + 1);
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SkipWhitespace(sv);
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}
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std::string_view NextToken(std::string_view& sv) {
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auto nextpos{sv.find_first_of(' ')};
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auto tok{sv.substr(0, nextpos)};
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sv.remove_prefix(nextpos == std::string::npos ? sv.size() : nextpos);
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SkipWhitespace(sv);
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return tok;
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}
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u64 ParseHex(std::string_view hex) {
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u64 result = 0;
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while (!hex.empty()) {
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result <<= 4;
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if (hex.front() >= '0' && hex.front() <= '9') {
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result += hex.front() - '0';
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} else if (hex.front() >= 'a' && hex.front() <= 'f') {
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result += hex.front() - 'a' + 0xA;
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} else if (hex.front() >= 'A' && hex.front() <= 'F') {
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result += hex.front() - 'A' + 0xA;
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} else if (hex.front() == ':') {
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return result;
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} else {
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fmt::print("Character {} is not a valid hex character\n", hex.front());
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}
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hex.remove_prefix(1);
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}
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return result;
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}
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template<typename TestEnv>
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Dynarmic::A32::UserConfig GetA32UserConfig(TestEnv& testenv, bool noopt) {
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Dynarmic::A32::UserConfig user_config;
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user_config.optimizations &= ~OptimizationFlag::FastDispatch;
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user_config.callbacks = &testenv;
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user_config.very_verbose_debugging_output = true;
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if (noopt) {
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user_config.optimizations = no_optimizations;
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}
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return user_config;
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}
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template<size_t num_jit_reruns = 1, typename TestEnv>
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void RunTestInstance(Dynarmic::A32::Jit& jit,
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TestEnv& jit_env,
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const std::array<u32, 16>& regs,
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const std::array<u32, 64>& vecs,
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const std::vector<typename TestEnv::InstructionType>& instructions,
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const u32 cpsr,
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const u32 fpscr,
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const size_t ticks_left) {
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const u32 initial_pc = regs[15];
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const u32 num_words = initial_pc / sizeof(typename TestEnv::InstructionType);
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const u32 code_mem_size = num_words + static_cast<u32>(instructions.size());
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jit.ClearCache();
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for (size_t jit_rerun_count = 0; jit_rerun_count < num_jit_reruns; ++jit_rerun_count) {
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jit_env.code_mem.resize(code_mem_size);
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std::fill(jit_env.code_mem.begin(), jit_env.code_mem.end(), TestEnv::infinite_loop);
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std::copy(instructions.begin(), instructions.end(), jit_env.code_mem.begin() + num_words);
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jit_env.PadCodeMem();
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jit_env.modified_memory.clear();
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jit_env.interrupts.clear();
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jit.Regs() = regs;
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jit.ExtRegs() = vecs;
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jit.SetFpscr(fpscr);
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jit.SetCpsr(cpsr);
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jit_env.ticks_left = ticks_left;
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jit.Run();
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}
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fmt::print("instructions:");
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for (auto instruction : instructions) {
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if constexpr (sizeof(decltype(instruction)) == 2) {
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fmt::print(" {:04x}", instruction);
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} else {
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fmt::print(" {:08x}", instruction);
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}
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}
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fmt::print("\n");
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fmt::print("initial_regs:");
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for (u32 i : regs) {
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fmt::print(" {:08x}", i);
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}
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fmt::print("\n");
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fmt::print("initial_vecs:");
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for (u32 i : vecs) {
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fmt::print(" {:08x}", i);
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}
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fmt::print("\n");
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fmt::print("initial_cpsr: {:08x}\n", cpsr);
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fmt::print("initial_fpcr: {:08x}\n", fpscr);
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fmt::print("final_regs:");
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for (u32 i : jit.Regs()) {
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fmt::print(" {:08x}", i);
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}
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fmt::print("\n");
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fmt::print("final_vecs:");
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for (u32 i : jit.ExtRegs()) {
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fmt::print(" {:08x}", i);
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}
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fmt::print("\n");
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fmt::print("final_cpsr: {:08x}\n", jit.Cpsr());
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fmt::print("final_fpsr: {:08x}\n", mask_fpsr_cum_bits ? jit.Fpscr() & 0xffffff00 : jit.Fpscr());
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fmt::print("mod_mem: ");
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for (auto [addr, value] : jit_env.modified_memory) {
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fmt::print("{:08x}:{:02x} ", addr, value);
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}
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fmt::print("\n");
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fmt::print("interrupts:\n");
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for (const auto& i : jit_env.interrupts) {
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std::puts(i.c_str());
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}
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fmt::print("===\n");
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}
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A64::UserConfig GetA64UserConfig(A64TestEnv& jit_env, bool noopt) {
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A64::UserConfig jit_user_config{&jit_env};
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jit_user_config.optimizations &= ~OptimizationFlag::FastDispatch;
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// The below corresponds to the settings for qemu's aarch64_max_initfn
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jit_user_config.dczid_el0 = 7;
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jit_user_config.ctr_el0 = 0x80038003;
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jit_user_config.very_verbose_debugging_output = true;
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if (noopt) {
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jit_user_config.optimizations = no_optimizations;
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}
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return jit_user_config;
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}
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template<size_t num_jit_reruns = 1>
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void RunTestInstance(A64::Jit& jit,
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A64TestEnv& jit_env,
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const std::array<u64, 31>& regs,
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const std::array<std::array<u64, 2>, 32>& vecs,
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const std::vector<u32>& instructions,
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const u32 pstate,
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const u32 fpcr,
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const u64 initial_sp,
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const u64 start_address,
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const size_t ticks_left) {
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jit.ClearCache();
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for (size_t jit_rerun_count = 0; jit_rerun_count < num_jit_reruns; ++jit_rerun_count) {
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jit_env.code_mem = instructions;
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jit_env.code_mem.emplace_back(0x14000000); // B .
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jit_env.code_mem_start_address = start_address;
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jit_env.modified_memory.clear();
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jit_env.interrupts.clear();
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jit.SetRegisters(regs);
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jit.SetVectors(vecs);
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jit.SetPC(start_address);
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jit.SetSP(initial_sp);
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jit.SetFpcr(fpcr);
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jit.SetFpsr(0);
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jit.SetPstate(pstate);
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jit.ClearCache();
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jit_env.ticks_left = ticks_left;
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jit.Run();
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}
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fmt::print("instructions:");
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for (u32 instruction : instructions) {
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fmt::print(" {:08x}", instruction);
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}
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fmt::print("\n");
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fmt::print("initial_regs:");
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for (u64 i : regs) {
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fmt::print(" {:016x}", i);
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}
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fmt::print("\n");
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fmt::print("initial_vecs:");
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for (auto i : vecs) {
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fmt::print(" {:016x}:{:016x}", i[0], i[1]);
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}
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fmt::print("\n");
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fmt::print("initial_sp: {:016x}\n", initial_sp);
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fmt::print("initial_pstate: {:08x}\n", pstate);
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fmt::print("initial_fpcr: {:08x}\n", fpcr);
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fmt::print("final_regs:");
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for (u64 i : jit.GetRegisters()) {
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fmt::print(" {:016x}", i);
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}
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fmt::print("\n");
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fmt::print("final_vecs:");
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for (auto i : jit.GetVectors()) {
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fmt::print(" {:016x}:{:016x}", i[0], i[1]);
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}
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fmt::print("\n");
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fmt::print("final_sp: {:016x}\n", jit.GetSP());
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fmt::print("final_pc: {:016x}\n", jit.GetPC());
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fmt::print("final_pstate: {:08x}\n", jit.GetPstate());
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fmt::print("final_fpcr: {:08x}\n", jit.GetFpcr());
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fmt::print("final_qc : {}\n", FP::FPSR{jit.GetFpsr()}.QC());
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fmt::print("mod_mem:");
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for (auto [addr, value] : jit_env.modified_memory) {
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fmt::print(" {:08x}:{:02x}", addr, value);
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}
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fmt::print("\n");
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fmt::print("interrupts:\n");
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for (const auto& i : jit_env.interrupts) {
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std::puts(i.c_str());
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}
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fmt::print("===\n");
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}
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void RunThumb(bool noopt) {
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std::array<u32, 16> initial_regs{};
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std::array<u32, 64> initial_vecs{};
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std::vector<u16> instructions{};
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u32 initial_cpsr = 0;
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u32 initial_fpcr = 0;
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std::string line;
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while (std::getline(std::cin, line)) {
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std::string_view sv{line};
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if (sv.starts_with("instructions:")) {
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SkipHeader(sv);
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while (!sv.empty()) {
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instructions.emplace_back((u16)ParseHex(NextToken(sv)));
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}
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} else if (sv.starts_with("initial_regs:")) {
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SkipHeader(sv);
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for (size_t i = 0; i < initial_regs.size(); ++i) {
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initial_regs[i] = (u32)ParseHex(NextToken(sv));
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}
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} else if (sv.starts_with("initial_vecs:")) {
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SkipHeader(sv);
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for (size_t i = 0; i < initial_vecs.size(); ++i) {
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initial_vecs[i] = (u32)ParseHex(NextToken(sv));
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}
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} else if (sv.starts_with("initial_cpsr:")) {
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SkipHeader(sv);
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initial_cpsr = (u32)ParseHex(NextToken(sv));
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} else if (sv.starts_with("initial_fpcr:")) {
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SkipHeader(sv);
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initial_fpcr = (u32)ParseHex(NextToken(sv));
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}
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}
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ThumbTestEnv jit_env{};
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A32::Jit jit{GetA32UserConfig(jit_env, noopt)};
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RunTestInstance(jit,
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jit_env,
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initial_regs,
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initial_vecs,
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instructions,
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initial_cpsr,
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initial_fpcr,
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instructions.size());
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}
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void RunArm(bool noopt) {
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std::array<u32, 16> initial_regs{};
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std::array<u32, 64> initial_vecs{};
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std::vector<u32> instructions{};
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u32 initial_cpsr = 0;
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u32 initial_fpcr = 0;
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std::string line;
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while (std::getline(std::cin, line)) {
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std::string_view sv{line};
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if (sv.starts_with("instructions:")) {
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SkipHeader(sv);
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while (!sv.empty()) {
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instructions.emplace_back((u32)ParseHex(NextToken(sv)));
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}
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} else if (sv.starts_with("initial_regs:")) {
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SkipHeader(sv);
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for (size_t i = 0; i < initial_regs.size(); ++i) {
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initial_regs[i] = (u32)ParseHex(NextToken(sv));
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}
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} else if (sv.starts_with("initial_vecs:")) {
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SkipHeader(sv);
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for (size_t i = 0; i < initial_vecs.size(); ++i) {
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initial_vecs[i] = (u32)ParseHex(NextToken(sv));
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}
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} else if (sv.starts_with("initial_cpsr:")) {
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SkipHeader(sv);
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initial_cpsr = (u32)ParseHex(NextToken(sv));
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} else if (sv.starts_with("initial_fpcr:")) {
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SkipHeader(sv);
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initial_fpcr = (u32)ParseHex(NextToken(sv));
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}
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}
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ArmTestEnv jit_env{};
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A32::Jit jit{GetA32UserConfig(jit_env, noopt)};
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RunTestInstance(jit,
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jit_env,
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initial_regs,
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initial_vecs,
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instructions,
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initial_cpsr,
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initial_fpcr,
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instructions.size());
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}
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void RunA64(bool noopt) {
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std::array<u64, 31> initial_regs{};
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std::array<std::array<u64, 2>, 32> initial_vecs{};
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std::vector<u32> instructions{};
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u32 initial_pstate = 0;
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u32 initial_fpcr = 0;
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u64 initial_sp = 0;
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u64 start_address = 100;
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std::string line;
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while (std::getline(std::cin, line)) {
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std::string_view sv{line};
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if (sv.starts_with("instructions:")) {
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SkipHeader(sv);
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while (!sv.empty()) {
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instructions.emplace_back((u32)ParseHex(NextToken(sv)));
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}
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} else if (sv.starts_with("initial_regs:")) {
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SkipHeader(sv);
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for (size_t i = 0; i < initial_regs.size(); ++i) {
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initial_regs[i] = ParseHex(NextToken(sv));
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}
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} else if (sv.starts_with("initial_vecs:")) {
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SkipHeader(sv);
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for (size_t i = 0; i < initial_vecs.size(); ++i) {
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auto tok{NextToken(sv)};
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initial_vecs[i][0] = ParseHex(tok);
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tok.remove_prefix(tok.find_first_of(':') + 1);
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initial_vecs[i][1] = ParseHex(tok);
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}
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} else if (sv.starts_with("initial_sp:")) {
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SkipHeader(sv);
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initial_sp = ParseHex(NextToken(sv));
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} else if (sv.starts_with("initial_pstate:")) {
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SkipHeader(sv);
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initial_pstate = (u32)ParseHex(NextToken(sv));
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} else if (sv.starts_with("initial_fpcr:")) {
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SkipHeader(sv);
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initial_fpcr = (u32)ParseHex(NextToken(sv));
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}
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}
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A64TestEnv jit_env{};
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A64::Jit jit{GetA64UserConfig(jit_env, noopt)};
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RunTestInstance(jit,
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jit_env,
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initial_regs,
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initial_vecs,
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instructions,
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initial_pstate,
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initial_fpcr,
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initial_sp,
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start_address,
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instructions.size());
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}
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int main(int argc, char** argv) {
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if (argc < 2 || argc > 3) {
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fmt::print("Usage: {} <thumb|arm|a64> [noopt]\n", argv[0]);
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return 1;
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}
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const bool noopt = argc == 3 && (strcmp(argv[2], "noopt") == 0);
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if (strcmp(argv[1], "thumb") == 0) {
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RunThumb(noopt);
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} else if (strcmp(argv[1], "arm") == 0) {
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RunArm(noopt);
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} else if (strcmp(argv[1], "a64") == 0) {
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RunA64(noopt);
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} else {
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fmt::print("unrecognized instruction class\n");
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return 1;
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}
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return 0;
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}
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