dynarmic/tests/A64/verify_unicorn.cpp
2022-12-31 17:28:34 +00:00

80 lines
1.8 KiB
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2018 MerryMage
* SPDX-License-Identifier: 0BSD
*/
#include <array>
#include <catch2/catch_test_macros.hpp>
#include "../rand_int.h"
#include "../unicorn_emu/a64_unicorn.h"
#include "./testenv.h"
using namespace Dynarmic;
TEST_CASE("Unicorn: Sanity test", "[a64]") {
A64TestEnv env;
env.code_mem.emplace_back(0x8b020020); // ADD X0, X1, X2
env.code_mem.emplace_back(0x14000000); // B .
constexpr A64Unicorn::RegisterArray regs{
0, 1, 2, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0};
A64Unicorn unicorn{env};
unicorn.SetRegisters(regs);
unicorn.SetPC(0);
env.ticks_left = 2;
unicorn.Run();
REQUIRE(unicorn.GetRegisters()[0] == 3);
REQUIRE(unicorn.GetRegisters()[1] == 1);
REQUIRE(unicorn.GetRegisters()[2] == 2);
REQUIRE(unicorn.GetPC() == 4);
}
TEST_CASE("Unicorn: Ensure 0xFFFF'FFFF'FFFF'FFFF is readable", "[a64]") {
A64TestEnv env;
env.code_mem.emplace_back(0x385fed99); // LDRB W25, [X12, #0xfffffffffffffffe]!
env.code_mem.emplace_back(0x14000000); // B .
A64Unicorn::RegisterArray regs{};
regs[12] = 1;
A64Unicorn unicorn{env};
unicorn.SetRegisters(regs);
unicorn.SetPC(0);
env.ticks_left = 2;
unicorn.Run();
REQUIRE(unicorn.GetPC() == 4);
}
TEST_CASE("Unicorn: Ensure is able to read across page boundaries", "[a64]") {
A64TestEnv env;
env.code_mem.emplace_back(0xb85f93d9); // LDUR W25, [X30, #0xfffffffffffffff9]
env.code_mem.emplace_back(0x14000000); // B .
A64Unicorn::RegisterArray regs{};
regs[30] = 4;
A64Unicorn unicorn{env};
unicorn.SetRegisters(regs);
unicorn.SetPC(0);
env.ticks_left = 2;
unicorn.Run();
REQUIRE(unicorn.GetPC() == 4);
}