dynarmic/tests/test_reader.cpp

208 lines
6.7 KiB
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2023 MerryMage
* SPDX-License-Identifier: 0BSD
*/
#include <array>
#include <iostream>
#include <string>
#include <string_view>
#include <vector>
#include <fmt/format.h>
#include <mcl/stdint.hpp>
#include "./A64/testenv.h"
#include "dynarmic/common/fp/fpsr.h"
#include "dynarmic/interface/A64/a64.h"
using namespace Dynarmic;
A64::UserConfig GetA64UserConfig(A64TestEnv& jit_env) {
A64::UserConfig jit_user_config{&jit_env};
jit_user_config.optimizations &= ~OptimizationFlag::FastDispatch;
// The below corresponds to the settings for qemu's aarch64_max_initfn
jit_user_config.dczid_el0 = 7;
jit_user_config.ctr_el0 = 0x80038003;
jit_user_config.very_verbose_debugging_output = true;
return jit_user_config;
}
template<size_t num_jit_reruns = 1>
void RunTestInstance(A64::Jit& jit,
A64TestEnv& jit_env,
const std::array<u64, 31>& regs,
const std::array<std::array<u64, 2>, 32>& vecs,
const std::vector<u32>& instructions,
const u32 pstate,
const u32 fpcr,
const u64 initial_sp,
const u64 start_address,
const size_t ticks_left) {
jit.ClearCache();
for (size_t jit_rerun_count = 0; jit_rerun_count < num_jit_reruns; ++jit_rerun_count) {
jit_env.code_mem = instructions;
jit_env.code_mem.emplace_back(0x14000000); // B .
jit_env.code_mem_start_address = start_address;
jit_env.modified_memory.clear();
jit_env.interrupts.clear();
jit.SetRegisters(regs);
jit.SetVectors(vecs);
jit.SetPC(start_address);
jit.SetSP(initial_sp);
jit.SetFpcr(fpcr);
jit.SetFpsr(0);
jit.SetPstate(pstate);
jit.ClearCache();
jit_env.ticks_left = ticks_left;
jit.Run();
}
fmt::print("instructions:");
for (u32 instruction : instructions) {
fmt::print(" {:08x}", instruction);
}
fmt::print("\n");
fmt::print("initial_regs:");
for (u64 i : regs) {
fmt::print(" {:016x}", i);
}
fmt::print("\n");
fmt::print("initial_vecs:");
for (auto i : vecs) {
fmt::print(" {:016x}:{:016x}", i[0], i[1]);
}
fmt::print("\n");
fmt::print("initial_sp: {:016x}\n", initial_sp);
fmt::print("initial_pstate: {:08x}\n", pstate);
fmt::print("initial_fpcr: {:08x}\n", fpcr);
fmt::print("final_regs:");
for (u64 i : jit.GetRegisters()) {
fmt::print(" {:016x}", i);
}
fmt::print("\n");
fmt::print("final_vecs:");
for (auto i : jit.GetVectors()) {
fmt::print(" {:016x}:{:016x}", i[0], i[1]);
}
fmt::print("\n");
fmt::print("final_sp: {:016x}\n", jit.GetSP());
fmt::print("final_pc: {:016x}\n", jit.GetPC());
fmt::print("final_pstate: {:08x}\n", jit.GetPstate());
fmt::print("final_fpcr: {:08x}\n", jit.GetFpcr());
fmt::print("final_qc : {}\n", FP::FPSR{jit.GetFpsr()}.QC());
fmt::print("mod_mem:");
for (auto [addr, value] : jit_env.modified_memory) {
fmt::print(" {:08x}:{:02x}", addr, value);
}
fmt::print("\n");
fmt::print("interrupts:\n");
for (const auto& i : jit_env.interrupts) {
std::puts(i.c_str());
}
fmt::print("===\n");
}
int main() {
std::array<u64, 31> initial_regs{};
std::array<std::array<u64, 2>, 32> initial_vecs{};
std::vector<u32> instructions{};
u32 initial_pstate = 0;
u32 initial_fpcr = 0;
u64 initial_sp = 0;
u64 start_address = 100;
std::string line;
while (std::getline(std::cin, line)) {
std::string_view sv{line};
const auto skip_ws = [&] {
auto nextpos{sv.find_first_not_of(' ')};
if (nextpos != std::string::npos) {
sv.remove_prefix(nextpos);
}
};
const auto skip_header = [&] {
sv.remove_prefix(sv.find_first_of(':') + 1);
skip_ws();
};
const auto next_token = [&] {
auto nextpos{sv.find_first_of(' ')};
auto tok{sv.substr(0, nextpos)};
sv.remove_prefix(nextpos == std::string::npos ? sv.size() : nextpos);
skip_ws();
return tok;
};
const auto parse_hex = [&](std::string_view hex) {
u64 result = 0;
while (!hex.empty()) {
result <<= 4;
if (hex.front() >= '0' && hex.front() <= '9') {
result += hex.front() - '0';
} else if (hex.front() >= 'a' && hex.front() <= 'f') {
result += hex.front() - 'a' + 0xA;
} else if (hex.front() >= 'A' && hex.front() <= 'F') {
result += hex.front() - 'A' + 0xA;
} else if (hex.front() == ':') {
return result;
} else {
fmt::print("Character {} is not a valid hex character\n", hex.front());
}
hex.remove_prefix(1);
}
return result;
};
if (sv.starts_with("instructions:")) {
skip_header();
while (!sv.empty()) {
instructions.emplace_back((u32)parse_hex(next_token()));
}
} else if (sv.starts_with("initial_regs:")) {
skip_header();
for (size_t i = 0; i < initial_regs.size(); ++i) {
initial_regs[i] = parse_hex(next_token());
}
} else if (sv.starts_with("initial_vecs:")) {
skip_header();
for (size_t i = 0; i < initial_vecs.size(); ++i) {
auto tok{next_token()};
initial_vecs[i][0] = parse_hex(tok);
tok.remove_prefix(tok.find_first_of(':') + 1);
initial_vecs[i][1] = parse_hex(tok);
}
} else if (sv.starts_with("initial_sp:")) {
skip_header();
initial_sp = parse_hex(next_token());
} else if (sv.starts_with("initial_pstate:")) {
skip_header();
initial_pstate = (u32)parse_hex(next_token());
} else if (sv.starts_with("initial_fpcr:")) {
skip_header();
initial_fpcr = (u32)parse_hex(next_token());
}
}
A64TestEnv jit_env{};
A64::Jit jit{GetA64UserConfig(jit_env)};
RunTestInstance(jit,
jit_env,
initial_regs,
initial_vecs,
instructions,
initial_pstate,
initial_fpcr,
initial_sp,
start_address,
instructions.size());
return 0;
}