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yuzu/src/core/hle/svc.cpp

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// Copyright 2014 Citra Emulator Project
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// 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"
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#include "core/mem_map.h"
#include "core/hle/kernel/address_arbiter.h"
#include "core/hle/kernel/event.h"
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#include "core/hle/kernel/mutex.h"
#include "core/hle/kernel/semaphore.h"
#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/timer.h"
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#include "core/hle/function_wrappers.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace SVC
namespace SVC {
enum ControlMemoryOperation {
MEMORY_OPERATION_HEAP = 0x00000003,
MEMORY_OPERATION_GSP_HEAP = 0x00010003,
};
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/// Map application or GSP heap memory
static Result 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);
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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);
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break;
// Unknown ControlMemory operation
default:
LOG_ERROR(Kernel_SVC, "unknown operation=0x%08X", operation);
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}
return 0;
}
/// Maps a memory block to specified address
static Result MapMemoryBlock(Handle handle, u32 addr, u32 permissions, u32 other_permissions) {
LOG_TRACE(Kernel_SVC, "called memblock=0x%08X, addr=0x%08X, mypermissions=0x%08X, otherpermission=%d",
handle, addr, permissions, other_permissions);
Kernel::MemoryPermission permissions_type = static_cast<Kernel::MemoryPermission>(permissions);
switch (permissions_type) {
case Kernel::MemoryPermission::Read:
case Kernel::MemoryPermission::Write:
case Kernel::MemoryPermission::ReadWrite:
case Kernel::MemoryPermission::Execute:
case Kernel::MemoryPermission::ReadExecute:
case Kernel::MemoryPermission::WriteExecute:
case Kernel::MemoryPermission::ReadWriteExecute:
case Kernel::MemoryPermission::DontCare:
Kernel::MapSharedMemory(handle, addr, permissions_type,
static_cast<Kernel::MemoryPermission>(other_permissions));
break;
default:
LOG_ERROR(Kernel_SVC, "unknown permissions=0x%08X", permissions);
}
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return 0;
}
/// Connect to an OS service given the port name, returns the handle to the port to out
static Result ConnectToPort(Handle* out, const char* port_name) {
Service::Interface* service = Service::g_manager->FetchFromPortName(port_name);
LOG_TRACE(Kernel_SVC, "called port_name=%s", port_name);
_assert_msg_(KERNEL, (service != nullptr), "called, but service is not implemented!");
*out = service->GetHandle();
return 0;
}
/// Synchronize to an OS service
static Result SendSyncRequest(Handle handle) {
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Kernel::Session* session = Kernel::g_handle_table.Get<Kernel::Session>(handle);
if (session == nullptr) {
return InvalidHandle(ErrorModule::Kernel).raw;
}
LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s)", handle, session->GetName().c_str());
ResultVal<bool> wait = session->SyncRequest();
if (wait.Succeeded() && *wait) {
Kernel::WaitCurrentThread(WAITTYPE_SYNCH); // TODO(bunnei): Is this correct?
}
return wait.Code().raw;
}
/// Close a handle
static Result CloseHandle(Handle handle) {
// ImplementMe
LOG_ERROR(Kernel_SVC, "(UNIMPLEMENTED) called handle=0x%08X", handle);
return 0;
}
/// Wait for a handle to synchronize, timeout after the specified nanoseconds
static Result WaitSynchronization1(Handle handle, s64 nano_seconds) {
// TODO(bunnei): Do something with nano_seconds, currently ignoring this
bool wait_infinite = (nano_seconds == -1); // Used to wait until a thread has terminated
Kernel::Object* object = Kernel::g_handle_table.GetGeneric(handle);
if (object == nullptr)
return InvalidHandle(ErrorModule::Kernel).raw;
LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s:%s), nanoseconds=%lld", handle, object->GetTypeName().c_str(),
object->GetName().c_str(), nano_seconds);
ResultVal<bool> wait = object->WaitSynchronization();
// Check for next thread to schedule
if (wait.Succeeded() && *wait) {
HLE::Reschedule(__func__);
}
return wait.Code().raw;
}
/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count, bool wait_all,
s64 nano_seconds) {
// TODO(bunnei): Do something with nano_seconds, currently ignoring this
bool unlock_all = true;
bool wait_infinite = (nano_seconds == -1); // Used to wait until a thread has terminated
LOG_TRACE(Kernel_SVC, "called handle_count=%d, wait_all=%s, nanoseconds=%lld",
handle_count, (wait_all ? "true" : "false"), nano_seconds);
// Iterate through each handle, synchronize kernel object
for (s32 i = 0; i < handle_count; i++) {
Kernel::Object* object = Kernel::g_handle_table.GetGeneric(handles[i]);
if (object == nullptr)
return InvalidHandle(ErrorModule::Kernel).raw;
LOG_TRACE(Kernel_SVC, "\thandle[%d] = 0x%08X(%s:%s)", i, handles[i], object->GetTypeName().c_str(),
object->GetName().c_str());
// TODO(yuriks): Verify how the real function behaves when an error happens here
ResultVal<bool> wait_result = object->WaitSynchronization();
bool wait = wait_result.Succeeded() && *wait_result;
if (!wait && !wait_all) {
*out = i;
return RESULT_SUCCESS.raw;
} else {
unlock_all = false;
}
}
if (wait_all && unlock_all) {
*out = handle_count;
return RESULT_SUCCESS.raw;
}
// Check for next thread to schedule
HLE::Reschedule(__func__);
return RESULT_SUCCESS.raw;
}
/// Create an address arbiter (to allocate access to shared resources)
static Result CreateAddressArbiter(u32* arbiter) {
LOG_TRACE(Kernel_SVC, "called");
Handle handle = Kernel::CreateAddressArbiter();
*arbiter = handle;
return 0;
}
/// Arbitrate address
static Result ArbitrateAddress(Handle arbiter, u32 address, u32 type, u32 value, s64 nanoseconds) {
LOG_TRACE(Kernel_SVC, "called handle=0x%08X, address=0x%08X, type=0x%08X, value=0x%08X", arbiter,
address, type, value);
return Kernel::ArbitrateAddress(arbiter, static_cast<Kernel::ArbitrationType>(type),
address, value).raw;
}
/// 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 Result 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 0;
}
/// Get resource limit current values
static Result GetResourceLimitCurrentValues(s64* values, Handle resource_limit, void* names,
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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 0;
}
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/// Creates a new thread
static Result CreateThread(u32 priority, u32 entry_point, u32 arg, u32 stack_top, u32 processor_id) {
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std::string name;
if (Symbols::HasSymbol(entry_point)) {
TSymbol symbol = Symbols::GetSymbol(entry_point);
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name = symbol.name;
} else {
name = Common::StringFromFormat("unknown-%08x", entry_point);
}
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Handle thread = Kernel::CreateThread(name.c_str(), entry_point, priority, arg, processor_id,
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stack_top);
Core::g_app_core->SetReg(1, 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, thread);
return 0;
}
/// Called when a thread exits
static u32 ExitThread() {
Handle thread = Kernel::GetCurrentThreadHandle();
LOG_TRACE(Kernel_SVC, "called, pc=0x%08X", Core::g_app_core->GetPC()); // PC = 0x0010545C
Kernel::StopThread(thread, __func__);
HLE::Reschedule(__func__);
return 0;
}
/// Gets the priority for the specified thread
static Result GetThreadPriority(s32* priority, Handle handle) {
ResultVal<u32> priority_result = Kernel::GetThreadPriority(handle);
if (priority_result.Succeeded()) {
*priority = *priority_result;
}
return priority_result.Code().raw;
}
/// Sets the priority for the specified thread
static Result SetThreadPriority(Handle handle, s32 priority) {
return Kernel::SetThreadPriority(handle, priority).raw;
}
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/// Create a mutex
static Result CreateMutex(Handle* mutex, u32 initial_locked) {
*mutex = Kernel::CreateMutex((initial_locked != 0));
LOG_TRACE(Kernel_SVC, "called initial_locked=%s : created handle=0x%08X",
initial_locked ? "true" : "false", *mutex);
return 0;
}
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/// Release a mutex
static Result ReleaseMutex(Handle handle) {
LOG_TRACE(Kernel_SVC, "called handle=0x%08X", handle);
ResultCode res = Kernel::ReleaseMutex(handle);
return res.raw;
}
/// Get the ID for the specified thread.
static Result GetThreadId(u32* thread_id, Handle handle) {
LOG_TRACE(Kernel_SVC, "called thread=0x%08X", handle);
ResultCode result = Kernel::GetThreadId(thread_id, handle);
return result.raw;
}
/// Creates a semaphore
static Result CreateSemaphore(Handle* semaphore, s32 initial_count, s32 max_count) {
ResultCode res = Kernel::CreateSemaphore(semaphore, initial_count, max_count);
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LOG_TRACE(Kernel_SVC, "called initial_count=%d, max_count=%d, created handle=0x%08X",
initial_count, max_count, *semaphore);
return res.raw;
}
/// Releases a certain number of slots in a semaphore
static Result ReleaseSemaphore(s32* count, Handle semaphore, s32 release_count) {
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LOG_TRACE(Kernel_SVC, "called release_count=%d, handle=0x%08X", release_count, semaphore);
ResultCode res = Kernel::ReleaseSemaphore(count, semaphore, release_count);
return res.raw;
}
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/// Query memory
static Result QueryMemory(void* info, void* out, u32 addr) {
LOG_ERROR(Kernel_SVC, "(UNIMPLEMENTED) called addr=0x%08X", addr);
return 0;
}
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/// Create an event
static Result CreateEvent(Handle* evt, u32 reset_type) {
*evt = Kernel::CreateEvent((ResetType)reset_type);
LOG_TRACE(Kernel_SVC, "called reset_type=0x%08X : created handle=0x%08X",
reset_type, *evt);
return 0;
}
/// Duplicates a kernel handle
static Result DuplicateHandle(Handle* out, Handle handle) {
ResultVal<Handle> out_h = Kernel::g_handle_table.Duplicate(handle);
if (out_h.Succeeded()) {
*out = *out_h;
LOG_TRACE(Kernel_SVC, "duplicated 0x%08X to 0x%08X", handle, *out);
}
return out_h.Code().raw;
}
/// Signals an event
static Result SignalEvent(Handle evt) {
LOG_TRACE(Kernel_SVC, "called event=0x%08X", evt);
return Kernel::SignalEvent(evt).raw;
}
/// Clears an event
static Result ClearEvent(Handle evt) {
LOG_TRACE(Kernel_SVC, "called event=0x%08X", evt);
return Kernel::ClearEvent(evt).raw;
}
/// Creates a timer
static Result CreateTimer(Handle* handle, u32 reset_type) {
ResultCode res = Kernel::CreateTimer(handle, static_cast<ResetType>(reset_type));
LOG_TRACE(Kernel_SVC, "called reset_type=0x%08X : created handle=0x%08X",
reset_type, *handle);
return res.raw;
}
/// Clears a timer
static Result ClearTimer(Handle handle) {
LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);
return Kernel::ClearTimer(handle).raw;
}
/// Starts a timer
static Result SetTimer(Handle handle, s64 initial, s64 interval) {
LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);
return Kernel::SetTimer(handle, initial, interval).raw;
}
/// Cancels a timer
static Result CancelTimer(Handle handle) {
LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);
return Kernel::CancelTimer(handle).raw;
}
/// 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(WAITTYPE_SLEEP);
// Create an event to wake the thread up after the specified nanosecond delay has passed
Kernel::WakeThreadAfterDelay(Kernel::GetCurrentThreadHandle(), nanoseconds);
HLE::Reschedule(__func__);
}
/// This returns the total CPU ticks elapsed since the CPU was powered-on
static s64 GetSystemTick() {
return (s64)Core::g_app_core->GetTicks();
}
/// Creates a memory block at the specified address with the specified permissions and size
static Result CreateMemoryBlock(Handle* memblock, u32 addr, u32 size, u32 my_permission,
u32 other_permission) {
// TODO(Subv): Implement this function
Handle shared_memory = Kernel::CreateSharedMemory();
*memblock = shared_memory;
LOG_WARNING(Kernel_SVC, "(STUBBED) called addr=0x%08X", addr);
return 0;
}
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, HLE::Wrap<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, "Unknown"},
{0x74, nullptr, "Unknown"},
{0x75, nullptr, "Unknown"},
{0x76, nullptr, "TerminateProcess"},
{0x77, nullptr, "Unknown"},
{0x78, nullptr, "CreateResourceLimit"},
{0x79, nullptr, "Unknown"},
{0x7A, nullptr, "Unknown"},
{0x7B, nullptr, "Unknown"},
{0x7C, nullptr, "KernelSetState"},
{0x7D, nullptr, "QueryProcessMemory"},
};
void Register() {
HLE::RegisterModule("SVC_Table", ARRAY_SIZE(SVC_Table), SVC_Table);
}
} // namespace