dynarmic/tests/A64/test_invalidation.cpp

/* This file is part of the dynarmic project.
 * Copyright (c) 2018 MerryMage
 * SPDX-License-Identifier: 0BSD
 */

#include <catch2/catch_test_macros.hpp>

#include "./testenv.h"
#include "dynarmic/interface/A64/a64.h"

using namespace Dynarmic;

TEST_CASE("ensure fast dispatch entry is cleared even when a block does not have any patching requirements", "[a64]") {
    A64TestEnv env;

    A64::UserConfig conf{&env};
    A64::Jit jit{conf};

    REQUIRE(conf.HasOptimization(OptimizationFlag::FastDispatch));

    env.code_mem_start_address = 100;
    env.code_mem.clear();
    env.code_mem.emplace_back(0xd2800d80);  // MOV X0, 108
    env.code_mem.emplace_back(0xd61f0000);  // BR X0
    env.code_mem.emplace_back(0xd2800540);  // MOV X0, 42
    env.code_mem.emplace_back(0x14000000);  // B .

    jit.SetPC(100);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 42);

    jit.SetPC(100);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 42);

    jit.InvalidateCacheRange(108, 4);

    jit.SetPC(100);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 42);

    env.code_mem[2] = 0xd28008a0;  // MOV X0, 69

    jit.SetPC(100);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 42);

    jit.InvalidateCacheRange(108, 4);

    jit.SetPC(100);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 69);

    jit.SetPC(100);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 69);
}

TEST_CASE("ensure fast dispatch entry is cleared even when a block does not have any patching requirements 2", "[a64]") {
    A64TestEnv env;

    A64::UserConfig conf{&env};
    A64::Jit jit{conf};

    REQUIRE(conf.HasOptimization(OptimizationFlag::FastDispatch));

    env.code_mem.emplace_back(0xd2800100);  // MOV X0, 8
    env.code_mem.emplace_back(0xd61f0000);  // BR X0
    env.code_mem.emplace_back(0xd2800540);  // MOV X0, 42
    env.code_mem.emplace_back(0x14000000);  // B .

    jit.SetPC(0);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 42);

    jit.SetPC(0);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 42);

    jit.InvalidateCacheRange(8, 4);

    jit.SetPC(0);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 42);

    env.code_mem[2] = 0xd28008a0;  // MOV X0, 69

    jit.SetPC(0);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 42);

    jit.InvalidateCacheRange(8, 4);

    jit.SetPC(0);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 69);

    jit.SetPC(0);
    env.ticks_left = 4;
    jit.Run();
    REQUIRE(jit.GetRegister(0) == 69);
}