summaryrefslogtreecommitdiffstats
path: root/src/core/core.cpp
blob: 48d953442044c23fa81f4dc291c5f5d70e51f285 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include <array>
#include <memory>
#include <utility>

#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/arm/exclusive_monitor.h"
#include "core/core.h"
#include "core/core_cpu.h"
#include "core/core_timing.h"
#include "core/cpu_core_manager.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/vfs_concat.h"
#include "core/file_sys/vfs_real.h"
#include "core/gdbstub/gdbstub.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/service/am/applets/applets.h"
#include "core/hle/service/service.h"
#include "core/hle/service/sm/sm.h"
#include "core/loader/loader.h"
#include "core/perf_stats.h"
#include "core/settings.h"
#include "core/telemetry_session.h"
#include "core/tools/freezer.h"
#include "file_sys/cheat_engine.h"
#include "video_core/debug_utils/debug_utils.h"
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"

namespace Core {

/*static*/ System System::s_instance;

FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
                                         const std::string& path) {
    // To account for split 00+01+etc files.
    std::string dir_name;
    std::string filename;
    Common::SplitPath(path, &dir_name, &filename, nullptr);
    if (filename == "00") {
        const auto dir = vfs->OpenDirectory(dir_name, FileSys::Mode::Read);
        std::vector<FileSys::VirtualFile> concat;
        for (u8 i = 0; i < 0x10; ++i) {
            auto next = dir->GetFile(fmt::format("{:02X}", i));
            if (next != nullptr)
                concat.push_back(std::move(next));
            else {
                next = dir->GetFile(fmt::format("{:02x}", i));
                if (next != nullptr)
                    concat.push_back(std::move(next));
                else
                    break;
            }
        }

        if (concat.empty())
            return nullptr;

        return FileSys::ConcatenatedVfsFile::MakeConcatenatedFile(concat, dir->GetName());
    }

    if (FileUtil::IsDirectory(path))
        return vfs->OpenFile(path + "/" + "main", FileSys::Mode::Read);

    return vfs->OpenFile(path, FileSys::Mode::Read);
}
struct System::Impl {
    explicit Impl(System& system) : kernel{system}, cpu_core_manager{system} {}

    Cpu& CurrentCpuCore() {
        return cpu_core_manager.GetCurrentCore();
    }

    ResultStatus RunLoop(bool tight_loop) {
        status = ResultStatus::Success;

        cpu_core_manager.RunLoop(tight_loop);

        return status;
    }

    ResultStatus Init(System& system, Frontend::EmuWindow& emu_window) {
        LOG_DEBUG(HW_Memory, "initialized OK");

        core_timing.Initialize();
        cpu_core_manager.Initialize();
        kernel.Initialize();

        const auto current_time = std::chrono::duration_cast<std::chrono::seconds>(
            std::chrono::system_clock::now().time_since_epoch());
        Settings::values.custom_rtc_differential =
            Settings::values.custom_rtc.value_or(current_time) - current_time;

        // Create a default fs if one doesn't already exist.
        if (virtual_filesystem == nullptr)
            virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
        if (content_provider == nullptr)
            content_provider = std::make_unique<FileSys::ContentProviderUnion>();

        /// Create default implementations of applets if one is not provided.
        applet_manager.SetDefaultAppletsIfMissing();

        telemetry_session = std::make_unique<Core::TelemetrySession>();
        service_manager = std::make_shared<Service::SM::ServiceManager>();

        Service::Init(service_manager, system, *virtual_filesystem);
        GDBStub::Init();

        renderer = VideoCore::CreateRenderer(emu_window, system);
        if (!renderer->Init()) {
            return ResultStatus::ErrorVideoCore;
        }

        gpu_core = VideoCore::CreateGPU(system);

        is_powered_on = true;

        LOG_DEBUG(Core, "Initialized OK");

        // Reset counters and set time origin to current frame
        GetAndResetPerfStats();
        perf_stats.BeginSystemFrame();

        return ResultStatus::Success;
    }

    ResultStatus Load(System& system, Frontend::EmuWindow& emu_window,
                      const std::string& filepath) {
        app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
        if (!app_loader) {
            LOG_CRITICAL(Core, "Failed to obtain loader for {}!", filepath);
            return ResultStatus::ErrorGetLoader;
        }

        ResultStatus init_result{Init(system, emu_window)};
        if (init_result != ResultStatus::Success) {
            LOG_CRITICAL(Core, "Failed to initialize system (Error {})!",
                         static_cast<int>(init_result));
            Shutdown();
            return init_result;
        }

        telemetry_session->AddInitialInfo(*app_loader);
        auto main_process = Kernel::Process::Create(system, "main");
        const auto [load_result, load_parameters] = app_loader->Load(*main_process);
        if (load_result != Loader::ResultStatus::Success) {
            LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<int>(load_result));
            Shutdown();

            return static_cast<ResultStatus>(static_cast<u32>(ResultStatus::ErrorLoader) +
                                             static_cast<u32>(load_result));
        }
        kernel.MakeCurrentProcess(main_process.get());

        // Main process has been loaded and been made current.
        // Begin GPU and CPU execution.
        gpu_core->Start();
        cpu_core_manager.StartThreads();

        // All threads are started, begin main process execution, now that we're in the clear.
        main_process->Run(load_parameters->main_thread_priority,
                          load_parameters->main_thread_stack_size);

        status = ResultStatus::Success;
        return status;
    }

    void Shutdown() {
        // Log last frame performance stats
        const auto perf_results = GetAndResetPerfStats();
        telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_EmulationSpeed",
                                    perf_results.emulation_speed * 100.0);
        telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_Framerate",
                                    perf_results.game_fps);
        telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
                                    perf_results.frametime * 1000.0);

        is_powered_on = false;

        // Shutdown emulation session
        renderer.reset();
        GDBStub::Shutdown();
        Service::Shutdown();
        service_manager.reset();
        cheat_engine.reset();
        telemetry_session.reset();
        gpu_core.reset();

        // Close all CPU/threading state
        cpu_core_manager.Shutdown();

        // Shutdown kernel and core timing
        kernel.Shutdown();
        core_timing.Shutdown();

        // Close app loader
        app_loader.reset();

        // Clear all applets
        applet_manager.ClearAll();

        LOG_DEBUG(Core, "Shutdown OK");
    }

    Loader::ResultStatus GetGameName(std::string& out) const {
        if (app_loader == nullptr)
            return Loader::ResultStatus::ErrorNotInitialized;
        return app_loader->ReadTitle(out);
    }

    void SetStatus(ResultStatus new_status, const char* details = nullptr) {
        status = new_status;
        if (details) {
            status_details = details;
        }
    }

    PerfStatsResults GetAndResetPerfStats() {
        return perf_stats.GetAndResetStats(core_timing.GetGlobalTimeUs());
    }

    Timing::CoreTiming core_timing;
    Kernel::KernelCore kernel;
    /// RealVfsFilesystem instance
    FileSys::VirtualFilesystem virtual_filesystem;
    /// ContentProviderUnion instance
    std::unique_ptr<FileSys::ContentProviderUnion> content_provider;
    /// AppLoader used to load the current executing application
    std::unique_ptr<Loader::AppLoader> app_loader;
    std::unique_ptr<VideoCore::RendererBase> renderer;
    std::unique_ptr<Tegra::GPU> gpu_core;
    std::shared_ptr<Tegra::DebugContext> debug_context;
    CpuCoreManager cpu_core_manager;
    bool is_powered_on = false;

    std::unique_ptr<FileSys::CheatEngine> cheat_engine;
    std::unique_ptr<Tools::Freezer> memory_freezer;

    /// Frontend applets
    Service::AM::Applets::AppletManager applet_manager;

    /// Service manager
    std::shared_ptr<Service::SM::ServiceManager> service_manager;

    /// Telemetry session for this emulation session
    std::unique_ptr<Core::TelemetrySession> telemetry_session;

    ResultStatus status = ResultStatus::Success;
    std::string status_details = "";

    Core::PerfStats perf_stats;
    Core::FrameLimiter frame_limiter;
};

System::System() : impl{std::make_unique<Impl>(*this)} {}
System::~System() = default;

Cpu& System::CurrentCpuCore() {
    return impl->CurrentCpuCore();
}

const Cpu& System::CurrentCpuCore() const {
    return impl->CurrentCpuCore();
}

System::ResultStatus System::RunLoop(bool tight_loop) {
    return impl->RunLoop(tight_loop);
}

System::ResultStatus System::SingleStep() {
    return RunLoop(false);
}

void System::InvalidateCpuInstructionCaches() {
    impl->cpu_core_manager.InvalidateAllInstructionCaches();
}

System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
    return impl->Load(*this, emu_window, filepath);
}

bool System::IsPoweredOn() const {
    return impl->is_powered_on;
}

void System::PrepareReschedule() {
    CurrentCpuCore().PrepareReschedule();
}

PerfStatsResults System::GetAndResetPerfStats() {
    return impl->GetAndResetPerfStats();
}

TelemetrySession& System::TelemetrySession() {
    return *impl->telemetry_session;
}

const TelemetrySession& System::TelemetrySession() const {
    return *impl->telemetry_session;
}

ARM_Interface& System::CurrentArmInterface() {
    return CurrentCpuCore().ArmInterface();
}

const ARM_Interface& System::CurrentArmInterface() const {
    return CurrentCpuCore().ArmInterface();
}

std::size_t System::CurrentCoreIndex() const {
    return CurrentCpuCore().CoreIndex();
}

Kernel::Scheduler& System::CurrentScheduler() {
    return CurrentCpuCore().Scheduler();
}

const Kernel::Scheduler& System::CurrentScheduler() const {
    return CurrentCpuCore().Scheduler();
}

Kernel::Scheduler& System::Scheduler(std::size_t core_index) {
    return CpuCore(core_index).Scheduler();
}

const Kernel::Scheduler& System::Scheduler(std::size_t core_index) const {
    return CpuCore(core_index).Scheduler();
}

Kernel::Process* System::CurrentProcess() {
    return impl->kernel.CurrentProcess();
}

const Kernel::Process* System::CurrentProcess() const {
    return impl->kernel.CurrentProcess();
}

ARM_Interface& System::ArmInterface(std::size_t core_index) {
    return CpuCore(core_index).ArmInterface();
}

const ARM_Interface& System::ArmInterface(std::size_t core_index) const {
    return CpuCore(core_index).ArmInterface();
}

Cpu& System::CpuCore(std::size_t core_index) {
    return impl->cpu_core_manager.GetCore(core_index);
}

const Cpu& System::CpuCore(std::size_t core_index) const {
    ASSERT(core_index < NUM_CPU_CORES);
    return impl->cpu_core_manager.GetCore(core_index);
}

ExclusiveMonitor& System::Monitor() {
    return impl->cpu_core_manager.GetExclusiveMonitor();
}

const ExclusiveMonitor& System::Monitor() const {
    return impl->cpu_core_manager.GetExclusiveMonitor();
}

Tegra::GPU& System::GPU() {
    return *impl->gpu_core;
}

const Tegra::GPU& System::GPU() const {
    return *impl->gpu_core;
}

VideoCore::RendererBase& System::Renderer() {
    return *impl->renderer;
}

const VideoCore::RendererBase& System::Renderer() const {
    return *impl->renderer;
}

Kernel::KernelCore& System::Kernel() {
    return impl->kernel;
}

const Kernel::KernelCore& System::Kernel() const {
    return impl->kernel;
}

Timing::CoreTiming& System::CoreTiming() {
    return impl->core_timing;
}

const Timing::CoreTiming& System::CoreTiming() const {
    return impl->core_timing;
}

Core::PerfStats& System::GetPerfStats() {
    return impl->perf_stats;
}

const Core::PerfStats& System::GetPerfStats() const {
    return impl->perf_stats;
}

Core::FrameLimiter& System::FrameLimiter() {
    return impl->frame_limiter;
}

const Core::FrameLimiter& System::FrameLimiter() const {
    return impl->frame_limiter;
}

Loader::ResultStatus System::GetGameName(std::string& out) const {
    return impl->GetGameName(out);
}

void System::SetStatus(ResultStatus new_status, const char* details) {
    impl->SetStatus(new_status, details);
}

const std::string& System::GetStatusDetails() const {
    return impl->status_details;
}

Loader::AppLoader& System::GetAppLoader() const {
    return *impl->app_loader;
}

void System::SetGPUDebugContext(std::shared_ptr<Tegra::DebugContext> context) {
    impl->debug_context = std::move(context);
}

Tegra::DebugContext* System::GetGPUDebugContext() const {
    return impl->debug_context.get();
}

void System::RegisterCheatList(const std::vector<FileSys::CheatList>& list,
                               const std::string& build_id, VAddr code_region_start,
                               VAddr code_region_end) {
    impl->cheat_engine = std::make_unique<FileSys::CheatEngine>(*this, list, build_id,
                                                                code_region_start, code_region_end);
}

void System::SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs) {
    impl->virtual_filesystem = std::move(vfs);
}

std::shared_ptr<FileSys::VfsFilesystem> System::GetFilesystem() const {
    return impl->virtual_filesystem;
}

void System::SetAppletFrontendSet(Service::AM::Applets::AppletFrontendSet&& set) {
    impl->applet_manager.SetAppletFrontendSet(std::move(set));
}

void System::SetDefaultAppletFrontendSet() {
    impl->applet_manager.SetDefaultAppletFrontendSet();
}

Service::AM::Applets::AppletManager& System::GetAppletManager() {
    return impl->applet_manager;
}

const Service::AM::Applets::AppletManager& System::GetAppletManager() const {
    return impl->applet_manager;
}

void System::SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider) {
    impl->content_provider = std::move(provider);
}

FileSys::ContentProvider& System::GetContentProvider() {
    return *impl->content_provider;
}

const FileSys::ContentProvider& System::GetContentProvider() const {
    return *impl->content_provider;
}

void System::RegisterContentProvider(FileSys::ContentProviderUnionSlot slot,
                                     FileSys::ContentProvider* provider) {
    impl->content_provider->SetSlot(slot, provider);
}

void System::ClearContentProvider(FileSys::ContentProviderUnionSlot slot) {
    impl->content_provider->ClearSlot(slot);
}

System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
    return impl->Init(*this, emu_window);
}

void System::Shutdown() {
    impl->Shutdown();
}

Service::SM::ServiceManager& System::ServiceManager() {
    return *impl->service_manager;
}

const Service::SM::ServiceManager& System::ServiceManager() const {
    return *impl->service_manager;
}

} // namespace Core