summaryrefslogtreecommitdiffstats
path: root/src/core/hle/svc.cpp
blob: 76e9b171af50265c0cd078ed10a1a8aae39125c9 (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
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include <map>

#include "common/string_util.h"
#include "common/symbols.h"

#include "core/core_timing.h"
#include "core/mem_map.h"
#include "core/arm/arm_interface.h"

#include "core/hle/kernel/address_arbiter.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/mutex.h"
#include "core/hle/kernel/semaphore.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/timer.h"

#include "core/hle/function_wrappers.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"

////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace SVC

using Kernel::SharedPtr;
using Kernel::ERR_INVALID_HANDLE;

namespace SVC {

const ResultCode ERR_NOT_FOUND(ErrorDescription::NotFound, ErrorModule::Kernel,
        ErrorSummary::NotFound, ErrorLevel::Permanent); // 0xD88007FA
const ResultCode ERR_PORT_NAME_TOO_LONG(ErrorDescription(30), ErrorModule::OS,
        ErrorSummary::InvalidArgument, ErrorLevel::Usage); // 0xE0E0181E

/// An invalid result code that is meant to be overwritten when a thread resumes from waiting
const ResultCode RESULT_INVALID(0xDEADC0DE);

enum ControlMemoryOperation {
    MEMORY_OPERATION_HEAP       = 0x00000003,
    MEMORY_OPERATION_GSP_HEAP   = 0x00010003,
};

/// Map application or GSP heap memory
static ResultCode ControlMemory(u32* out_addr, u32 operation, u32 addr0, u32 addr1, u32 size, u32 permissions) {
    LOG_TRACE(Kernel_SVC,"called operation=0x%08X, addr0=0x%08X, addr1=0x%08X, size=%08X, permissions=0x%08X",
        operation, addr0, addr1, size, permissions);

    switch (operation) {

    // Map normal heap memory
    case MEMORY_OPERATION_HEAP:
        *out_addr = Memory::MapBlock_Heap(size, operation, permissions);
        break;

    // Map GSP heap memory
    case MEMORY_OPERATION_GSP_HEAP:
        *out_addr = Memory::MapBlock_HeapLinear(size, operation, permissions);
        break;

    // Unknown ControlMemory operation
    default:
        LOG_ERROR(Kernel_SVC, "unknown operation=0x%08X", operation);
    }
    return RESULT_SUCCESS;
}

/// Maps a memory block to specified address
static ResultCode MapMemoryBlock(Handle handle, u32 addr, u32 permissions, u32 other_permissions) {
    using Kernel::SharedMemory;
    using Kernel::MemoryPermission;

    LOG_TRACE(Kernel_SVC, "called memblock=0x%08X, addr=0x%08X, mypermissions=0x%08X, otherpermission=%d",
        handle, addr, permissions, other_permissions);

    SharedPtr<SharedMemory> shared_memory = Kernel::g_handle_table.Get<SharedMemory>(handle);
    if (shared_memory == nullptr)
        return ERR_INVALID_HANDLE;

    MemoryPermission permissions_type = static_cast<MemoryPermission>(permissions);
    switch (permissions_type) {
    case MemoryPermission::Read:
    case MemoryPermission::Write:
    case MemoryPermission::ReadWrite:
    case MemoryPermission::Execute:
    case MemoryPermission::ReadExecute:
    case MemoryPermission::WriteExecute:
    case MemoryPermission::ReadWriteExecute:
    case MemoryPermission::DontCare:
        shared_memory->Map(addr, permissions_type,
                static_cast<MemoryPermission>(other_permissions));
        break;
    default:
        LOG_ERROR(Kernel_SVC, "unknown permissions=0x%08X", permissions);
    }
    return RESULT_SUCCESS;
}

/// Connect to an OS service given the port name, returns the handle to the port to out
static ResultCode ConnectToPort(Handle* out_handle, const char* port_name) {
    if (port_name == nullptr)
        return ERR_NOT_FOUND;
    if (std::strlen(port_name) > 11)
        return ERR_PORT_NAME_TOO_LONG;

    LOG_TRACE(Kernel_SVC, "called port_name=%s", port_name);

    auto it = Service::g_kernel_named_ports.find(port_name);
    if (it == Service::g_kernel_named_ports.end()) {
        LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: %s", port_name);
        return ERR_NOT_FOUND;
    }

    CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(it->second));
    return RESULT_SUCCESS;
}

/// Synchronize to an OS service
static ResultCode SendSyncRequest(Handle handle) {
    SharedPtr<Kernel::Session> session = Kernel::g_handle_table.Get<Kernel::Session>(handle);
    if (session == nullptr) {
        return ERR_INVALID_HANDLE;
    }

    LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s)", handle, session->GetName().c_str());

    return session->SyncRequest().Code();
}

/// Close a handle
static ResultCode CloseHandle(Handle handle) {
    LOG_TRACE(Kernel_SVC, "Closing handle 0x%08X", handle);
    return Kernel::g_handle_table.Close(handle);
}

/// Wait for a handle to synchronize, timeout after the specified nanoseconds
static ResultCode WaitSynchronization1(Handle handle, s64 nano_seconds) {
    auto object = Kernel::g_handle_table.GetWaitObject(handle);
    if (object == nullptr)
        return ERR_INVALID_HANDLE;

    LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s:%s), nanoseconds=%lld", handle,
            object->GetTypeName().c_str(), object->GetName().c_str(), nano_seconds);

    HLE::Reschedule(__func__);

    // Check for next thread to schedule
    if (object->ShouldWait()) {

        object->AddWaitingThread(Kernel::GetCurrentThread());
        Kernel::WaitCurrentThread_WaitSynchronization({ object }, false, false);

        // Create an event to wake the thread up after the specified nanosecond delay has passed
        Kernel::GetCurrentThread()->WakeAfterDelay(nano_seconds);

        // NOTE: output of this SVC will be set later depending on how the thread resumes
        return RESULT_INVALID;
    }

    object->Acquire();

    return RESULT_SUCCESS;
}

/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
static ResultCode WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count, bool wait_all, s64 nano_seconds) {
    bool wait_thread = !wait_all;
    int handle_index = 0;

    // Check if 'handles' is invalid
    if (handles == nullptr)
        return ResultCode(ErrorDescription::InvalidPointer, ErrorModule::Kernel, ErrorSummary::InvalidArgument, ErrorLevel::Permanent);

    // NOTE: on real hardware, there is no nullptr check for 'out' (tested with firmware 4.4). If
    // this happens, the running application will crash.
    ASSERT_MSG(out != nullptr, "invalid output pointer specified!");

    // Check if 'handle_count' is invalid
    if (handle_count < 0)
        return ResultCode(ErrorDescription::OutOfRange, ErrorModule::OS, ErrorSummary::InvalidArgument, ErrorLevel::Usage);

    // If 'handle_count' is non-zero, iterate through each handle and wait the current thread if
    // necessary
    if (handle_count != 0) {
        bool selected = false; // True once an object has been selected
        for (int i = 0; i < handle_count; ++i) {
            auto object = Kernel::g_handle_table.GetWaitObject(handles[i]);
            if (object == nullptr)
                return ERR_INVALID_HANDLE;

            // Check if the current thread should wait on this object...
            if (object->ShouldWait()) {

                // Check we are waiting on all objects...
                if (wait_all)
                    // Wait the thread
                    wait_thread = true;
            } else {
                // Do not wait on this object, check if this object should be selected...
                if (!wait_all && !selected) {
                    // Do not wait the thread
                    wait_thread = false;
                    handle_index = i;
                    selected = true;
                }
            }
        }
    } else {
        // If no handles were passed in, put the thread to sleep only when 'wait_all' is false
        // NOTE: This should deadlock the current thread if no timeout was specified
        if (!wait_all) {
            wait_thread = true;
        }
    }

    HLE::Reschedule(__func__);

    // If thread should wait, then set its state to waiting and then reschedule...
    if (wait_thread) {

        // Actually wait the current thread on each object if we decided to wait...
        std::vector<SharedPtr<Kernel::WaitObject>> wait_objects;
        wait_objects.reserve(handle_count);
        
        for (int i = 0; i < handle_count; ++i) {
            auto object = Kernel::g_handle_table.GetWaitObject(handles[i]);
            object->AddWaitingThread(Kernel::GetCurrentThread());
            wait_objects.push_back(object);
        }

        Kernel::WaitCurrentThread_WaitSynchronization(std::move(wait_objects), true, wait_all);

        // Create an event to wake the thread up after the specified nanosecond delay has passed
        Kernel::GetCurrentThread()->WakeAfterDelay(nano_seconds);

        // NOTE: output of this SVC will be set later depending on how the thread resumes
        return RESULT_INVALID;
    }

    // Acquire objects if we did not wait...
    for (int i = 0; i < handle_count; ++i) {
        auto object = Kernel::g_handle_table.GetWaitObject(handles[i]);

        // Acquire the object if it is not waiting...
        if (!object->ShouldWait()) {
            object->Acquire();

            // If this was the first non-waiting object and 'wait_all' is false, don't acquire
            // any other objects
            if (!wait_all)
                break;
        }
    }

    // TODO(bunnei): If 'wait_all' is true, this is probably wrong. However, real hardware does
    // not seem to set it to any meaningful value.
    *out = wait_all ? 0 : handle_index;

    return RESULT_SUCCESS;
}

/// Create an address arbiter (to allocate access to shared resources)
static ResultCode CreateAddressArbiter(Handle* out_handle) {
    using Kernel::AddressArbiter;

    SharedPtr<AddressArbiter> arbiter = AddressArbiter::Create();
    CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(arbiter)));
    LOG_TRACE(Kernel_SVC, "returned handle=0x%08X", *out_handle);
    return RESULT_SUCCESS;
}

/// Arbitrate address
static ResultCode ArbitrateAddress(Handle handle, u32 address, u32 type, u32 value, s64 nanoseconds) {
    using Kernel::AddressArbiter;

    LOG_TRACE(Kernel_SVC, "called handle=0x%08X, address=0x%08X, type=0x%08X, value=0x%08X", handle,
        address, type, value);

    SharedPtr<AddressArbiter> arbiter = Kernel::g_handle_table.Get<AddressArbiter>(handle);
    if (arbiter == nullptr)
        return ERR_INVALID_HANDLE;

    auto res = arbiter->ArbitrateAddress(static_cast<Kernel::ArbitrationType>(type),
                                         address, value, nanoseconds);

    if (res == RESULT_SUCCESS)
        HLE::Reschedule(__func__);

    return res;
}

/// Used to output a message on a debug hardware unit - does nothing on a retail unit
static void OutputDebugString(const char* string) {
    LOG_DEBUG(Debug_Emulated, "%s", string);
}

/// Get resource limit
static ResultCode GetResourceLimit(Handle* resource_limit, Handle process) {
    // With regards to proceess values:
    // 0xFFFF8001 is a handle alias for the current KProcess, and 0xFFFF8000 is a handle alias for
    // the current KThread.
    *resource_limit = 0xDEADBEEF;
    LOG_ERROR(Kernel_SVC, "(UNIMPLEMENTED) called process=0x%08X", process);
    return RESULT_SUCCESS;
}

/// Get resource limit current values
static ResultCode GetResourceLimitCurrentValues(s64* values, Handle resource_limit, void* names,
    s32 name_count) {
    LOG_ERROR(Kernel_SVC, "(UNIMPLEMENTED) called resource_limit=%08X, names=%s, name_count=%d",
        resource_limit, names, name_count);
    Memory::Write32(Core::g_app_core->GetReg(0), 0); // Normmatt: Set used memory to 0 for now
    return RESULT_SUCCESS;
}

/// Creates a new thread
static ResultCode CreateThread(Handle* out_handle, s32 priority, u32 entry_point, u32 arg, u32 stack_top, s32 processor_id) {
    using Kernel::Thread;

    std::string name;
    if (Symbols::HasSymbol(entry_point)) {
        TSymbol symbol = Symbols::GetSymbol(entry_point);
        name = symbol.name;
    } else {
        name = Common::StringFromFormat("unknown-%08x", entry_point);
    }

    // TODO(bunnei): Implement resource limits to return an error code instead of the below assert.
    // The error code should be: Description::NotAuthorized, Module::OS, Summary::WrongArgument,
    // Level::Permanent
    ASSERT_MSG(priority >= THREADPRIO_USERLAND_MAX, "Unexpected thread priority!");

    if (priority > THREADPRIO_LOWEST) {
        return ResultCode(ErrorDescription::OutOfRange, ErrorModule::OS,
                          ErrorSummary::InvalidArgument, ErrorLevel::Usage);
    }

    switch (processor_id) {
    case THREADPROCESSORID_DEFAULT:
    case THREADPROCESSORID_0:
    case THREADPROCESSORID_1:
        break;
    default:
        // TODO(bunnei): Implement support for other processor IDs
        ASSERT_MSG(false, "Unsupported thread processor ID: %d", processor_id);
        break;
    }

    CASCADE_RESULT(SharedPtr<Thread> thread, Kernel::Thread::Create(
            name, entry_point, priority, arg, processor_id, stack_top));
    CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(thread)));

    LOG_TRACE(Kernel_SVC, "called entrypoint=0x%08X (%s), arg=0x%08X, stacktop=0x%08X, "
        "threadpriority=0x%08X, processorid=0x%08X : created handle=0x%08X", entry_point,
        name.c_str(), arg, stack_top, priority, processor_id, *out_handle);

    HLE::Reschedule(__func__);

    return RESULT_SUCCESS;
}

/// Called when a thread exits
static void ExitThread() {
    LOG_TRACE(Kernel_SVC, "called, pc=0x%08X", Core::g_app_core->GetPC());

    Kernel::GetCurrentThread()->Stop();
    HLE::Reschedule(__func__);
}

/// Gets the priority for the specified thread
static ResultCode GetThreadPriority(s32* priority, Handle handle) {
    const SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
    if (thread == nullptr)
        return ERR_INVALID_HANDLE;

    *priority = thread->GetPriority();
    return RESULT_SUCCESS;
}

/// Sets the priority for the specified thread
static ResultCode SetThreadPriority(Handle handle, s32 priority) {
    SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
    if (thread == nullptr)
        return ERR_INVALID_HANDLE;

    thread->SetPriority(priority);
    return RESULT_SUCCESS;
}

/// Create a mutex
static ResultCode CreateMutex(Handle* out_handle, u32 initial_locked) {
    using Kernel::Mutex;

    SharedPtr<Mutex> mutex = Mutex::Create(initial_locked != 0);
    CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(mutex)));

    HLE::Reschedule(__func__);

    LOG_TRACE(Kernel_SVC, "called initial_locked=%s : created handle=0x%08X",
        initial_locked ? "true" : "false", *out_handle);
    
    return RESULT_SUCCESS;
}

/// Release a mutex
static ResultCode ReleaseMutex(Handle handle) {
    using Kernel::Mutex;

    LOG_TRACE(Kernel_SVC, "called handle=0x%08X", handle);

    SharedPtr<Mutex> mutex = Kernel::g_handle_table.Get<Mutex>(handle);
    if (mutex == nullptr)
        return ERR_INVALID_HANDLE;

    mutex->Release();

    HLE::Reschedule(__func__);

    return RESULT_SUCCESS;
}

/// Get the ID for the specified thread.
static ResultCode GetThreadId(u32* thread_id, Handle handle) {
    LOG_TRACE(Kernel_SVC, "called thread=0x%08X", handle);

    const SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
    if (thread == nullptr)
        return ERR_INVALID_HANDLE;

    *thread_id = thread->GetThreadId();
    return RESULT_SUCCESS;
}

/// Creates a semaphore
static ResultCode CreateSemaphore(Handle* out_handle, s32 initial_count, s32 max_count) {
    using Kernel::Semaphore;

    CASCADE_RESULT(SharedPtr<Semaphore> semaphore, Semaphore::Create(initial_count, max_count));
    CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(semaphore)));

    LOG_TRACE(Kernel_SVC, "called initial_count=%d, max_count=%d, created handle=0x%08X",
        initial_count, max_count, *out_handle);
    return RESULT_SUCCESS;
}

/// Releases a certain number of slots in a semaphore
static ResultCode ReleaseSemaphore(s32* count, Handle handle, s32 release_count) {
    using Kernel::Semaphore;

    LOG_TRACE(Kernel_SVC, "called release_count=%d, handle=0x%08X", release_count, handle);

    SharedPtr<Semaphore> semaphore = Kernel::g_handle_table.Get<Semaphore>(handle);
    if (semaphore == nullptr)
        return ERR_INVALID_HANDLE;

    CASCADE_RESULT(*count, semaphore->Release(release_count));

    HLE::Reschedule(__func__);

    return RESULT_SUCCESS;
}

/// Query memory
static ResultCode QueryMemory(void* info, void* out, u32 addr) {
    LOG_ERROR(Kernel_SVC, "(UNIMPLEMENTED) called addr=0x%08X", addr);
    return RESULT_SUCCESS;
}

/// Create an event
static ResultCode CreateEvent(Handle* out_handle, u32 reset_type) {
    using Kernel::Event;

    SharedPtr<Event> evt = Kernel::Event::Create(static_cast<ResetType>(reset_type));
    CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(evt)));

    LOG_TRACE(Kernel_SVC, "called reset_type=0x%08X : created handle=0x%08X",
            reset_type, *out_handle);
    return RESULT_SUCCESS;
}

/// Duplicates a kernel handle
static ResultCode DuplicateHandle(Handle* out, Handle handle) {
    CASCADE_RESULT(*out, Kernel::g_handle_table.Duplicate(handle));
    LOG_TRACE(Kernel_SVC, "duplicated 0x%08X to 0x%08X", handle, *out);
    return RESULT_SUCCESS;
}

/// Signals an event
static ResultCode SignalEvent(Handle handle) {
    using Kernel::Event;
    LOG_TRACE(Kernel_SVC, "called event=0x%08X", handle);

    SharedPtr<Event> evt = Kernel::g_handle_table.Get<Kernel::Event>(handle);
    if (evt == nullptr)
        return ERR_INVALID_HANDLE;

    evt->Signal();
    HLE::Reschedule(__func__);
    return RESULT_SUCCESS;
}

/// Clears an event
static ResultCode ClearEvent(Handle handle) {
    using Kernel::Event;
    LOG_TRACE(Kernel_SVC, "called event=0x%08X", handle);

    SharedPtr<Event> evt = Kernel::g_handle_table.Get<Kernel::Event>(handle);
    if (evt == nullptr)
        return ERR_INVALID_HANDLE;

    evt->Clear();
    return RESULT_SUCCESS;
}

/// Creates a timer
static ResultCode CreateTimer(Handle* out_handle, u32 reset_type) {
    using Kernel::Timer;

    SharedPtr<Timer> timer = Timer::Create(static_cast<ResetType>(reset_type));
    CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(timer)));

    LOG_TRACE(Kernel_SVC, "called reset_type=0x%08X : created handle=0x%08X",
            reset_type, *out_handle);
    return RESULT_SUCCESS;
}

/// Clears a timer
static ResultCode ClearTimer(Handle handle) {
    using Kernel::Timer;

    LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);

    SharedPtr<Timer> timer = Kernel::g_handle_table.Get<Timer>(handle);
    if (timer == nullptr)
        return ERR_INVALID_HANDLE;

    timer->Clear();
    return RESULT_SUCCESS;
}

/// Starts a timer
static ResultCode SetTimer(Handle handle, s64 initial, s64 interval) {
    using Kernel::Timer;

    LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);

    SharedPtr<Timer> timer = Kernel::g_handle_table.Get<Timer>(handle);
    if (timer == nullptr)
        return ERR_INVALID_HANDLE;

    timer->Set(initial, interval);

    HLE::Reschedule(__func__);

    return RESULT_SUCCESS;
}

/// Cancels a timer
static ResultCode CancelTimer(Handle handle) {
    using Kernel::Timer;

    LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);

    SharedPtr<Timer> timer = Kernel::g_handle_table.Get<Timer>(handle);
    if (timer == nullptr)
        return ERR_INVALID_HANDLE;

    timer->Cancel();

    HLE::Reschedule(__func__);

    return RESULT_SUCCESS;
}

/// Sleep the current thread
static void SleepThread(s64 nanoseconds) {
    LOG_TRACE(Kernel_SVC, "called nanoseconds=%lld", nanoseconds);

    // Sleep current thread and check for next thread to schedule
    Kernel::WaitCurrentThread_Sleep();

    // Create an event to wake the thread up after the specified nanosecond delay has passed
    Kernel::GetCurrentThread()->WakeAfterDelay(nanoseconds);

    HLE::Reschedule(__func__);
}

/// This returns the total CPU ticks elapsed since the CPU was powered-on
static s64 GetSystemTick() {
    return (s64)CoreTiming::GetTicks();
}

/// Creates a memory block at the specified address with the specified permissions and size
static ResultCode CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32 my_permission,
        u32 other_permission) {
    using Kernel::SharedMemory;
    // TODO(Subv): Implement this function

    SharedPtr<SharedMemory> shared_memory = SharedMemory::Create();
    CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(shared_memory)));

    LOG_WARNING(Kernel_SVC, "(STUBBED) called addr=0x%08X", addr);
    return RESULT_SUCCESS;
}

const HLE::FunctionDef SVC_Table[] = {
    {0x00, nullptr,                         "Unknown"},
    {0x01, HLE::Wrap<ControlMemory>,        "ControlMemory"},
    {0x02, HLE::Wrap<QueryMemory>,          "QueryMemory"},
    {0x03, nullptr,                         "ExitProcess"},
    {0x04, nullptr,                         "GetProcessAffinityMask"},
    {0x05, nullptr,                         "SetProcessAffinityMask"},
    {0x06, nullptr,                         "GetProcessIdealProcessor"},
    {0x07, nullptr,                         "SetProcessIdealProcessor"},
    {0x08, HLE::Wrap<CreateThread>,         "CreateThread"},
    {0x09, ExitThread,                      "ExitThread"},
    {0x0A, HLE::Wrap<SleepThread>,          "SleepThread"},
    {0x0B, HLE::Wrap<GetThreadPriority>,    "GetThreadPriority"},
    {0x0C, HLE::Wrap<SetThreadPriority>,    "SetThreadPriority"},
    {0x0D, nullptr,                         "GetThreadAffinityMask"},
    {0x0E, nullptr,                         "SetThreadAffinityMask"},
    {0x0F, nullptr,                         "GetThreadIdealProcessor"},
    {0x10, nullptr,                         "SetThreadIdealProcessor"},
    {0x11, nullptr,                         "GetCurrentProcessorNumber"},
    {0x12, nullptr,                         "Run"},
    {0x13, HLE::Wrap<CreateMutex>,          "CreateMutex"},
    {0x14, HLE::Wrap<ReleaseMutex>,         "ReleaseMutex"},
    {0x15, HLE::Wrap<CreateSemaphore>,      "CreateSemaphore"},
    {0x16, HLE::Wrap<ReleaseSemaphore>,     "ReleaseSemaphore"},
    {0x17, HLE::Wrap<CreateEvent>,          "CreateEvent"},
    {0x18, HLE::Wrap<SignalEvent>,          "SignalEvent"},
    {0x19, HLE::Wrap<ClearEvent>,           "ClearEvent"},
    {0x1A, HLE::Wrap<CreateTimer>,          "CreateTimer"},
    {0x1B, HLE::Wrap<SetTimer>,             "SetTimer"},
    {0x1C, HLE::Wrap<CancelTimer>,          "CancelTimer"},
    {0x1D, HLE::Wrap<ClearTimer>,           "ClearTimer"},
    {0x1E, HLE::Wrap<CreateMemoryBlock>,    "CreateMemoryBlock"},
    {0x1F, HLE::Wrap<MapMemoryBlock>,       "MapMemoryBlock"},
    {0x20, nullptr,                         "UnmapMemoryBlock"},
    {0x21, HLE::Wrap<CreateAddressArbiter>, "CreateAddressArbiter"},
    {0x22, HLE::Wrap<ArbitrateAddress>,     "ArbitrateAddress"},
    {0x23, HLE::Wrap<CloseHandle>,          "CloseHandle"},
    {0x24, HLE::Wrap<WaitSynchronization1>, "WaitSynchronization1"},
    {0x25, HLE::Wrap<WaitSynchronizationN>, "WaitSynchronizationN"},
    {0x26, nullptr,                         "SignalAndWait"},
    {0x27, HLE::Wrap<DuplicateHandle>,      "DuplicateHandle"},
    {0x28, HLE::Wrap<GetSystemTick>,        "GetSystemTick"},
    {0x29, nullptr,                         "GetHandleInfo"},
    {0x2A, nullptr,                         "GetSystemInfo"},
    {0x2B, nullptr,                         "GetProcessInfo"},
    {0x2C, nullptr,                         "GetThreadInfo"},
    {0x2D, HLE::Wrap<ConnectToPort>,        "ConnectToPort"},
    {0x2E, nullptr,                         "SendSyncRequest1"},
    {0x2F, nullptr,                         "SendSyncRequest2"},
    {0x30, nullptr,                         "SendSyncRequest3"},
    {0x31, nullptr,                         "SendSyncRequest4"},
    {0x32, HLE::Wrap<SendSyncRequest>,      "SendSyncRequest"},
    {0x33, nullptr,                         "OpenProcess"},
    {0x34, nullptr,                         "OpenThread"},
    {0x35, nullptr,                         "GetProcessId"},
    {0x36, nullptr,                         "GetProcessIdOfThread"},
    {0x37, HLE::Wrap<GetThreadId>,          "GetThreadId"},
    {0x38, HLE::Wrap<GetResourceLimit>,     "GetResourceLimit"},
    {0x39, nullptr,                         "GetResourceLimitLimitValues"},
    {0x3A, HLE::Wrap<GetResourceLimitCurrentValues>, "GetResourceLimitCurrentValues"},
    {0x3B, nullptr,                         "GetThreadContext"},
    {0x3C, nullptr,                         "Break"},
    {0x3D, HLE::Wrap<OutputDebugString>,    "OutputDebugString"},
    {0x3E, nullptr,                         "ControlPerformanceCounter"},
    {0x3F, nullptr,                         "Unknown"},
    {0x40, nullptr,                         "Unknown"},
    {0x41, nullptr,                         "Unknown"},
    {0x42, nullptr,                         "Unknown"},
    {0x43, nullptr,                         "Unknown"},
    {0x44, nullptr,                         "Unknown"},
    {0x45, nullptr,                         "Unknown"},
    {0x46, nullptr,                         "Unknown"},
    {0x47, nullptr,                         "CreatePort"},
    {0x48, nullptr,                         "CreateSessionToPort"},
    {0x49, nullptr,                         "CreateSession"},
    {0x4A, nullptr,                         "AcceptSession"},
    {0x4B, nullptr,                         "ReplyAndReceive1"},
    {0x4C, nullptr,                         "ReplyAndReceive2"},
    {0x4D, nullptr,                         "ReplyAndReceive3"},
    {0x4E, nullptr,                         "ReplyAndReceive4"},
    {0x4F, nullptr,                         "ReplyAndReceive"},
    {0x50, nullptr,                         "BindInterrupt"},
    {0x51, nullptr,                         "UnbindInterrupt"},
    {0x52, nullptr,                         "InvalidateProcessDataCache"},
    {0x53, nullptr,                         "StoreProcessDataCache"},
    {0x54, nullptr,                         "FlushProcessDataCache"},
    {0x55, nullptr,                         "StartInterProcessDma"},
    {0x56, nullptr,                         "StopDma"},
    {0x57, nullptr,                         "GetDmaState"},
    {0x58, nullptr,                         "RestartDma"},
    {0x59, nullptr,                         "Unknown"},
    {0x5A, nullptr,                         "Unknown"},
    {0x5B, nullptr,                         "Unknown"},
    {0x5C, nullptr,                         "Unknown"},
    {0x5D, nullptr,                         "Unknown"},
    {0x5E, nullptr,                         "Unknown"},
    {0x5F, nullptr,                         "Unknown"},
    {0x60, nullptr,                         "DebugActiveProcess"},
    {0x61, nullptr,                         "BreakDebugProcess"},
    {0x62, nullptr,                         "TerminateDebugProcess"},
    {0x63, nullptr,                         "GetProcessDebugEvent"},
    {0x64, nullptr,                         "ContinueDebugEvent"},
    {0x65, nullptr,                         "GetProcessList"},
    {0x66, nullptr,                         "GetThreadList"},
    {0x67, nullptr,                         "GetDebugThreadContext"},
    {0x68, nullptr,                         "SetDebugThreadContext"},
    {0x69, nullptr,                         "QueryDebugProcessMemory"},
    {0x6A, nullptr,                         "ReadProcessMemory"},
    {0x6B, nullptr,                         "WriteProcessMemory"},
    {0x6C, nullptr,                         "SetHardwareBreakPoint"},
    {0x6D, nullptr,                         "GetDebugThreadParam"},
    {0x6E, nullptr,                         "Unknown"},
    {0x6F, nullptr,                         "Unknown"},
    {0x70, nullptr,                         "ControlProcessMemory"},
    {0x71, nullptr,                         "MapProcessMemory"},
    {0x72, nullptr,                         "UnmapProcessMemory"},
    {0x73, nullptr,                         "CreateCodeSet"},
    {0x74, nullptr,                         "RandomStub"},
    {0x75, nullptr,                         "CreateProcess"},
    {0x76, nullptr,                         "TerminateProcess"},
    {0x77, nullptr,                         "SetProcessResourceLimits"},
    {0x78, nullptr,                         "CreateResourceLimit"},
    {0x79, nullptr,                         "SetResourceLimitValues"},
    {0x7A, nullptr,                         "AddCodeSegment"},
    {0x7B, nullptr,                         "Backdoor"},
    {0x7C, nullptr,                         "KernelSetState"},
    {0x7D, nullptr,                         "QueryProcessMemory"},
};

void Register() {
    HLE::RegisterModule("SVC_Table", ARRAY_SIZE(SVC_Table), SVC_Table);
}

} // namespace