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path: root/src/core/hle/kernel/svc.cpp
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#include <algorithm>
#include <cinttypes>
#include <iterator>
#include <mutex>
#include <vector>

#include "common/alignment.h"
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/fiber.h"
#include "common/logging/log.h"
#include "common/scope_exit.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/debugger/debugger.h"
#include "core/hle/kernel/k_client_port.h"
#include "core/hle/kernel/k_client_session.h"
#include "core/hle/kernel/k_code_memory.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_handle_table.h"
#include "core/hle/kernel/k_memory_block.h"
#include "core/hle/kernel/k_memory_layout.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/k_shared_memory.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/k_thread_queue.h"
#include "core/hle/kernel/k_transfer_memory.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/svc.h"
#include "core/hle/kernel/svc_results.h"
#include "core/hle/kernel/svc_types.h"
#include "core/hle/kernel/svc_wrap.h"
#include "core/hle/result.h"
#include "core/memory.h"
#include "core/reporter.h"

namespace Kernel::Svc {
namespace {

// Checks if address + size is greater than the given address
// This can return false if the size causes an overflow of a 64-bit type
// or if the given size is zero.
constexpr bool IsValidAddressRange(VAddr address, u64 size) {
    return address + size > address;
}

// Helper function that performs the common sanity checks for svcMapMemory
// and svcUnmapMemory. This is doable, as both functions perform their sanitizing
// in the same order.
Result MapUnmapMemorySanityChecks(const KPageTable& manager, VAddr dst_addr, VAddr src_addr,
                                  u64 size) {
    if (!Common::Is4KBAligned(dst_addr)) {
        LOG_ERROR(Kernel_SVC, "Destination address is not aligned to 4KB, 0x{:016X}", dst_addr);
        return ResultInvalidAddress;
    }

    if (!Common::Is4KBAligned(src_addr)) {
        LOG_ERROR(Kernel_SVC, "Source address is not aligned to 4KB, 0x{:016X}", src_addr);
        return ResultInvalidSize;
    }

    if (size == 0) {
        LOG_ERROR(Kernel_SVC, "Size is 0");
        return ResultInvalidSize;
    }

    if (!Common::Is4KBAligned(size)) {
        LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:016X}", size);
        return ResultInvalidSize;
    }

    if (!IsValidAddressRange(dst_addr, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Destination is not a valid address range, addr=0x{:016X}, size=0x{:016X}",
                  dst_addr, size);
        return ResultInvalidCurrentMemory;
    }

    if (!IsValidAddressRange(src_addr, size)) {
        LOG_ERROR(Kernel_SVC, "Source is not a valid address range, addr=0x{:016X}, size=0x{:016X}",
                  src_addr, size);
        return ResultInvalidCurrentMemory;
    }

    if (!manager.IsInsideAddressSpace(src_addr, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Source is not within the address space, addr=0x{:016X}, size=0x{:016X}",
                  src_addr, size);
        return ResultInvalidCurrentMemory;
    }

    if (manager.IsOutsideStackRegion(dst_addr, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Destination is not within the stack region, addr=0x{:016X}, size=0x{:016X}",
                  dst_addr, size);
        return ResultInvalidMemoryRegion;
    }

    if (manager.IsInsideHeapRegion(dst_addr, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Destination does not fit within the heap region, addr=0x{:016X}, "
                  "size=0x{:016X}",
                  dst_addr, size);
        return ResultInvalidMemoryRegion;
    }

    if (manager.IsInsideAliasRegion(dst_addr, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Destination does not fit within the map region, addr=0x{:016X}, "
                  "size=0x{:016X}",
                  dst_addr, size);
        return ResultInvalidMemoryRegion;
    }

    return ResultSuccess;
}

enum class ResourceLimitValueType {
    CurrentValue,
    LimitValue,
    PeakValue,
};

} // Anonymous namespace

/// Set the process heap to a given Size. It can both extend and shrink the heap.
static Result SetHeapSize(Core::System& system, VAddr* out_address, u64 size) {
    LOG_TRACE(Kernel_SVC, "called, heap_size=0x{:X}", size);

    // Validate size.
    R_UNLESS(Common::IsAligned(size, HeapSizeAlignment), ResultInvalidSize);
    R_UNLESS(size < MainMemorySizeMax, ResultInvalidSize);

    // Set the heap size.
    R_TRY(system.Kernel().CurrentProcess()->PageTable().SetHeapSize(out_address, size));

    return ResultSuccess;
}

static Result SetHeapSize32(Core::System& system, u32* heap_addr, u32 heap_size) {
    VAddr temp_heap_addr{};
    const Result result{SetHeapSize(system, &temp_heap_addr, heap_size)};
    *heap_addr = static_cast<u32>(temp_heap_addr);
    return result;
}

constexpr bool IsValidSetMemoryPermission(MemoryPermission perm) {
    switch (perm) {
    case MemoryPermission::None:
    case MemoryPermission::Read:
    case MemoryPermission::ReadWrite:
        return true;
    default:
        return false;
    }
}

static Result SetMemoryPermission(Core::System& system, VAddr address, u64 size,
                                  MemoryPermission perm) {
    LOG_DEBUG(Kernel_SVC, "called, address=0x{:016X}, size=0x{:X}, perm=0x{:08X", address, size,
              perm);

    // Validate address / size.
    R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((address < address + size), ResultInvalidCurrentMemory);

    // Validate the permission.
    R_UNLESS(IsValidSetMemoryPermission(perm), ResultInvalidNewMemoryPermission);

    // Validate that the region is in range for the current process.
    auto& page_table = system.Kernel().CurrentProcess()->PageTable();
    R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);

    // Set the memory attribute.
    return page_table.SetMemoryPermission(address, size, perm);
}

static Result SetMemoryAttribute(Core::System& system, VAddr address, u64 size, u32 mask,
                                 u32 attr) {
    LOG_DEBUG(Kernel_SVC,
              "called, address=0x{:016X}, size=0x{:X}, mask=0x{:08X}, attribute=0x{:08X}", address,
              size, mask, attr);

    // Validate address / size.
    R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((address < address + size), ResultInvalidCurrentMemory);

    // Validate the attribute and mask.
    constexpr u32 SupportedMask = static_cast<u32>(MemoryAttribute::Uncached);
    R_UNLESS((mask | attr) == mask, ResultInvalidCombination);
    R_UNLESS((mask | attr | SupportedMask) == SupportedMask, ResultInvalidCombination);

    // Validate that the region is in range for the current process.
    auto& page_table{system.Kernel().CurrentProcess()->PageTable()};
    R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);

    // Set the memory attribute.
    return page_table.SetMemoryAttribute(address, size, mask, attr);
}

static Result SetMemoryAttribute32(Core::System& system, u32 address, u32 size, u32 mask,
                                   u32 attr) {
    return SetMemoryAttribute(system, address, size, mask, attr);
}

/// Maps a memory range into a different range.
static Result MapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
    LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
              src_addr, size);

    auto& page_table{system.Kernel().CurrentProcess()->PageTable()};

    if (const Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
        result.IsError()) {
        return result;
    }

    return page_table.MapMemory(dst_addr, src_addr, size);
}

static Result MapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
    return MapMemory(system, dst_addr, src_addr, size);
}

/// Unmaps a region that was previously mapped with svcMapMemory
static Result UnmapMemory(Core::System& system, VAddr dst_addr, VAddr src_addr, u64 size) {
    LOG_TRACE(Kernel_SVC, "called, dst_addr=0x{:X}, src_addr=0x{:X}, size=0x{:X}", dst_addr,
              src_addr, size);

    auto& page_table{system.Kernel().CurrentProcess()->PageTable()};

    if (const Result result{MapUnmapMemorySanityChecks(page_table, dst_addr, src_addr, size)};
        result.IsError()) {
        return result;
    }

    return page_table.UnmapMemory(dst_addr, src_addr, size);
}

static Result UnmapMemory32(Core::System& system, u32 dst_addr, u32 src_addr, u32 size) {
    return UnmapMemory(system, dst_addr, src_addr, size);
}

/// Connect to an OS service given the port name, returns the handle to the port to out
static Result ConnectToNamedPort(Core::System& system, Handle* out, VAddr port_name_address) {
    auto& memory = system.Memory();
    if (!memory.IsValidVirtualAddress(port_name_address)) {
        LOG_ERROR(Kernel_SVC,
                  "Port Name Address is not a valid virtual address, port_name_address=0x{:016X}",
                  port_name_address);
        return ResultNotFound;
    }

    static constexpr std::size_t PortNameMaxLength = 11;
    // Read 1 char beyond the max allowed port name to detect names that are too long.
    const std::string port_name = memory.ReadCString(port_name_address, PortNameMaxLength + 1);
    if (port_name.size() > PortNameMaxLength) {
        LOG_ERROR(Kernel_SVC, "Port name is too long, expected {} but got {}", PortNameMaxLength,
                  port_name.size());
        return ResultOutOfRange;
    }

    LOG_TRACE(Kernel_SVC, "called port_name={}", port_name);

    // Get the current handle table.
    auto& kernel = system.Kernel();
    auto& handle_table = kernel.CurrentProcess()->GetHandleTable();

    // Find the client port.
    auto port = kernel.CreateNamedServicePort(port_name);
    if (!port) {
        LOG_ERROR(Kernel_SVC, "tried to connect to unknown port: {}", port_name);
        return ResultNotFound;
    }

    // Reserve a handle for the port.
    // NOTE: Nintendo really does write directly to the output handle here.
    R_TRY(handle_table.Reserve(out));
    auto handle_guard = SCOPE_GUARD({ handle_table.Unreserve(*out); });

    // Create a session.
    KClientSession* session{};
    R_TRY(port->CreateSession(std::addressof(session)));
    port->Close();

    // Register the session in the table, close the extra reference.
    handle_table.Register(*out, session);
    session->Close();

    // We succeeded.
    handle_guard.Cancel();
    return ResultSuccess;
}

static Result ConnectToNamedPort32(Core::System& system, Handle* out_handle,
                                   u32 port_name_address) {

    return ConnectToNamedPort(system, out_handle, port_name_address);
}

/// Makes a blocking IPC call to an OS service.
static Result SendSyncRequest(Core::System& system, Handle handle) {
    auto& kernel = system.Kernel();

    // Create the wait queue.
    KThreadQueue wait_queue(kernel);

    // Get the client session from its handle.
    KScopedAutoObject session =
        kernel.CurrentProcess()->GetHandleTable().GetObject<KClientSession>(handle);
    R_UNLESS(session.IsNotNull(), ResultInvalidHandle);

    LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName());

    {
        KScopedSchedulerLock lock(kernel);

        // This is a synchronous request, so we should wait for our request to complete.
        GetCurrentThread(kernel).BeginWait(std::addressof(wait_queue));
        GetCurrentThread(kernel).SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC);
        session->SendSyncRequest(&GetCurrentThread(kernel), system.Memory(), system.CoreTiming());
    }

    return GetCurrentThread(kernel).GetWaitResult();
}

static Result SendSyncRequest32(Core::System& system, Handle handle) {
    return SendSyncRequest(system, handle);
}

/// Get the ID for the specified thread.
static Result GetThreadId(Core::System& system, u64* out_thread_id, Handle thread_handle) {
    // Get the thread from its handle.
    KScopedAutoObject thread =
        system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
    R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);

    // Get the thread's id.
    *out_thread_id = thread->GetId();
    return ResultSuccess;
}

static Result GetThreadId32(Core::System& system, u32* out_thread_id_low, u32* out_thread_id_high,
                            Handle thread_handle) {
    u64 out_thread_id{};
    const Result result{GetThreadId(system, &out_thread_id, thread_handle)};

    *out_thread_id_low = static_cast<u32>(out_thread_id >> 32);
    *out_thread_id_high = static_cast<u32>(out_thread_id & std::numeric_limits<u32>::max());

    return result;
}

/// Gets the ID of the specified process or a specified thread's owning process.
static Result GetProcessId(Core::System& system, u64* out_process_id, Handle handle) {
    LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle);

    // Get the object from the handle table.
    KScopedAutoObject obj =
        system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KAutoObject>(
            static_cast<Handle>(handle));
    R_UNLESS(obj.IsNotNull(), ResultInvalidHandle);

    // Get the process from the object.
    KProcess* process = nullptr;
    if (KProcess* p = obj->DynamicCast<KProcess*>(); p != nullptr) {
        // The object is a process, so we can use it directly.
        process = p;
    } else if (KThread* t = obj->DynamicCast<KThread*>(); t != nullptr) {
        // The object is a thread, so we want to use its parent.
        process = reinterpret_cast<KThread*>(obj.GetPointerUnsafe())->GetOwnerProcess();
    } else {
        // TODO(bunnei): This should also handle debug objects before returning.
        UNIMPLEMENTED_MSG("Debug objects not implemented");
    }

    // Make sure the target process exists.
    R_UNLESS(process != nullptr, ResultInvalidHandle);

    // Get the process id.
    *out_process_id = process->GetId();

    return ResultSuccess;
}

static Result GetProcessId32(Core::System& system, u32* out_process_id_low,
                             u32* out_process_id_high, Handle handle) {
    u64 out_process_id{};
    const auto result = GetProcessId(system, &out_process_id, handle);
    *out_process_id_low = static_cast<u32>(out_process_id);
    *out_process_id_high = static_cast<u32>(out_process_id >> 32);
    return result;
}

/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
static Result WaitSynchronization(Core::System& system, s32* index, VAddr handles_address,
                                  s32 num_handles, s64 nano_seconds) {
    LOG_TRACE(Kernel_SVC, "called handles_address=0x{:X}, num_handles={}, nano_seconds={}",
              handles_address, num_handles, nano_seconds);

    // Ensure number of handles is valid.
    R_UNLESS(0 <= num_handles && num_handles <= ArgumentHandleCountMax, ResultOutOfRange);

    auto& kernel = system.Kernel();
    std::vector<KSynchronizationObject*> objs(num_handles);
    const auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
    Handle* handles = system.Memory().GetPointer<Handle>(handles_address);

    // Copy user handles.
    if (num_handles > 0) {
        // Convert the handles to objects.
        R_UNLESS(handle_table.GetMultipleObjects<KSynchronizationObject>(objs.data(), handles,
                                                                         num_handles),
                 ResultInvalidHandle);
        for (const auto& obj : objs) {
            kernel.RegisterInUseObject(obj);
        }
    }

    // Ensure handles are closed when we're done.
    SCOPE_EXIT({
        for (s32 i = 0; i < num_handles; ++i) {
            kernel.UnregisterInUseObject(objs[i]);
            objs[i]->Close();
        }
    });

    return KSynchronizationObject::Wait(kernel, index, objs.data(), static_cast<s32>(objs.size()),
                                        nano_seconds);
}

static Result WaitSynchronization32(Core::System& system, u32 timeout_low, u32 handles_address,
                                    s32 num_handles, u32 timeout_high, s32* index) {
    const s64 nano_seconds{(static_cast<s64>(timeout_high) << 32) | static_cast<s64>(timeout_low)};
    return WaitSynchronization(system, index, handles_address, num_handles, nano_seconds);
}

/// Resumes a thread waiting on WaitSynchronization
static Result CancelSynchronization(Core::System& system, Handle handle) {
    LOG_TRACE(Kernel_SVC, "called handle=0x{:X}", handle);

    // Get the thread from its handle.
    KScopedAutoObject thread =
        system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(handle);
    R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);

    // Cancel the thread's wait.
    thread->WaitCancel();
    return ResultSuccess;
}

static Result CancelSynchronization32(Core::System& system, Handle handle) {
    return CancelSynchronization(system, handle);
}

/// Attempts to locks a mutex
static Result ArbitrateLock(Core::System& system, Handle thread_handle, VAddr address, u32 tag) {
    LOG_TRACE(Kernel_SVC, "called thread_handle=0x{:08X}, address=0x{:X}, tag=0x{:08X}",
              thread_handle, address, tag);

    // Validate the input address.
    if (IsKernelAddress(address)) {
        LOG_ERROR(Kernel_SVC, "Attempting to arbitrate a lock on a kernel address (address={:08X})",
                  address);
        return ResultInvalidCurrentMemory;
    }
    if (!Common::IsAligned(address, sizeof(u32))) {
        LOG_ERROR(Kernel_SVC, "Input address must be 4 byte aligned (address: {:08X})", address);
        return ResultInvalidAddress;
    }

    return system.Kernel().CurrentProcess()->WaitForAddress(thread_handle, address, tag);
}

static Result ArbitrateLock32(Core::System& system, Handle thread_handle, u32 address, u32 tag) {
    return ArbitrateLock(system, thread_handle, address, tag);
}

/// Unlock a mutex
static Result ArbitrateUnlock(Core::System& system, VAddr address) {
    LOG_TRACE(Kernel_SVC, "called address=0x{:X}", address);

    // Validate the input address.
    if (IsKernelAddress(address)) {
        LOG_ERROR(Kernel_SVC,
                  "Attempting to arbitrate an unlock on a kernel address (address={:08X})",
                  address);
        return ResultInvalidCurrentMemory;
    }
    if (!Common::IsAligned(address, sizeof(u32))) {
        LOG_ERROR(Kernel_SVC, "Input address must be 4 byte aligned (address: {:08X})", address);
        return ResultInvalidAddress;
    }

    return system.Kernel().CurrentProcess()->SignalToAddress(address);
}

static Result ArbitrateUnlock32(Core::System& system, u32 address) {
    return ArbitrateUnlock(system, address);
}

enum class BreakType : u32 {
    Panic = 0,
    AssertionFailed = 1,
    PreNROLoad = 3,
    PostNROLoad = 4,
    PreNROUnload = 5,
    PostNROUnload = 6,
    CppException = 7,
};

struct BreakReason {
    union {
        u32 raw;
        BitField<0, 30, BreakType> break_type;
        BitField<31, 1, u32> signal_debugger;
    };
};

/// Break program execution
static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
    BreakReason break_reason{reason};
    bool has_dumped_buffer{};
    std::vector<u8> debug_buffer;

    const auto handle_debug_buffer = [&](VAddr addr, u64 sz) {
        if (sz == 0 || addr == 0 || has_dumped_buffer) {
            return;
        }

        auto& memory = system.Memory();

        // This typically is an error code so we're going to assume this is the case
        if (sz == sizeof(u32)) {
            LOG_CRITICAL(Debug_Emulated, "debug_buffer_err_code={:X}", memory.Read32(addr));
        } else {
            // We don't know what's in here so we'll hexdump it
            debug_buffer.resize(sz);
            memory.ReadBlock(addr, debug_buffer.data(), sz);
            std::string hexdump;
            for (std::size_t i = 0; i < debug_buffer.size(); i++) {
                hexdump += fmt::format("{:02X} ", debug_buffer[i]);
                if (i != 0 && i % 16 == 0) {
                    hexdump += '\n';
                }
            }
            LOG_CRITICAL(Debug_Emulated, "debug_buffer=\n{}", hexdump);
        }
        has_dumped_buffer = true;
    };
    switch (break_reason.break_type) {
    case BreakType::Panic:
        LOG_CRITICAL(Debug_Emulated, "Signalling debugger, PANIC! info1=0x{:016X}, info2=0x{:016X}",
                     info1, info2);
        handle_debug_buffer(info1, info2);
        break;
    case BreakType::AssertionFailed:
        LOG_CRITICAL(Debug_Emulated,
                     "Signalling debugger, Assertion failed! info1=0x{:016X}, info2=0x{:016X}",
                     info1, info2);
        handle_debug_buffer(info1, info2);
        break;
    case BreakType::PreNROLoad:
        LOG_WARNING(
            Debug_Emulated,
            "Signalling debugger, Attempting to load an NRO at 0x{:016X} with size 0x{:016X}",
            info1, info2);
        break;
    case BreakType::PostNROLoad:
        LOG_WARNING(Debug_Emulated,
                    "Signalling debugger, Loaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
                    info2);
        break;
    case BreakType::PreNROUnload:
        LOG_WARNING(
            Debug_Emulated,
            "Signalling debugger, Attempting to unload an NRO at 0x{:016X} with size 0x{:016X}",
            info1, info2);
        break;
    case BreakType::PostNROUnload:
        LOG_WARNING(Debug_Emulated,
                    "Signalling debugger, Unloaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
                    info2);
        break;
    case BreakType::CppException:
        LOG_CRITICAL(Debug_Emulated, "Signalling debugger. Uncaught C++ exception encountered.");
        break;
    default:
        LOG_WARNING(
            Debug_Emulated,
            "Signalling debugger, Unknown break reason {}, info1=0x{:016X}, info2=0x{:016X}",
            static_cast<u32>(break_reason.break_type.Value()), info1, info2);
        handle_debug_buffer(info1, info2);
        break;
    }

    system.GetReporter().SaveSvcBreakReport(
        static_cast<u32>(break_reason.break_type.Value()), break_reason.signal_debugger, info1,
        info2, has_dumped_buffer ? std::make_optional(debug_buffer) : std::nullopt);

    if (!break_reason.signal_debugger) {
        LOG_CRITICAL(
            Debug_Emulated,
            "Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}",
            reason, info1, info2);

        handle_debug_buffer(info1, info2);

        auto* const current_thread = GetCurrentThreadPointer(system.Kernel());
        const auto thread_processor_id = current_thread->GetActiveCore();
        system.ArmInterface(static_cast<std::size_t>(thread_processor_id)).LogBacktrace();
    }

    if (system.DebuggerEnabled()) {
        auto* thread = system.Kernel().GetCurrentEmuThread();
        system.GetDebugger().NotifyThreadStopped(thread);
        thread->RequestSuspend(Kernel::SuspendType::Debug);
    }
}

static void Break32(Core::System& system, u32 reason, u32 info1, u32 info2) {
    Break(system, reason, info1, info2);
}

/// Used to output a message on a debug hardware unit - does nothing on a retail unit
static void OutputDebugString(Core::System& system, VAddr address, u64 len) {
    if (len == 0) {
        return;
    }

    std::string str(len, '\0');
    system.Memory().ReadBlock(address, str.data(), str.size());
    LOG_DEBUG(Debug_Emulated, "{}", str);
}

static void OutputDebugString32(Core::System& system, u32 address, u32 len) {
    OutputDebugString(system, address, len);
}

/// Gets system/memory information for the current process
static Result GetInfo(Core::System& system, u64* result, u64 info_id, Handle handle,
                      u64 info_sub_id) {
    LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id,
              info_sub_id, handle);

    enum class GetInfoType : u64 {
        // 1.0.0+
        AllowedCPUCoreMask = 0,
        AllowedThreadPriorityMask = 1,
        MapRegionBaseAddr = 2,
        MapRegionSize = 3,
        HeapRegionBaseAddr = 4,
        HeapRegionSize = 5,
        TotalPhysicalMemoryAvailable = 6,
        TotalPhysicalMemoryUsed = 7,
        IsCurrentProcessBeingDebugged = 8,
        RegisterResourceLimit = 9,
        IdleTickCount = 10,
        RandomEntropy = 11,
        ThreadTickCount = 0xF0000002,
        // 2.0.0+
        ASLRRegionBaseAddr = 12,
        ASLRRegionSize = 13,
        StackRegionBaseAddr = 14,
        StackRegionSize = 15,
        // 3.0.0+
        SystemResourceSize = 16,
        SystemResourceUsage = 17,
        TitleId = 18,
        // 4.0.0+
        PrivilegedProcessId = 19,
        // 5.0.0+
        UserExceptionContextAddr = 20,
        // 6.0.0+
        TotalPhysicalMemoryAvailableWithoutSystemResource = 21,
        TotalPhysicalMemoryUsedWithoutSystemResource = 22,

        // Homebrew only
        MesosphereCurrentProcess = 65001,
    };

    const auto info_id_type = static_cast<GetInfoType>(info_id);

    switch (info_id_type) {
    case GetInfoType::AllowedCPUCoreMask:
    case GetInfoType::AllowedThreadPriorityMask:
    case GetInfoType::MapRegionBaseAddr:
    case GetInfoType::MapRegionSize:
    case GetInfoType::HeapRegionBaseAddr:
    case GetInfoType::HeapRegionSize:
    case GetInfoType::ASLRRegionBaseAddr:
    case GetInfoType::ASLRRegionSize:
    case GetInfoType::StackRegionBaseAddr:
    case GetInfoType::StackRegionSize:
    case GetInfoType::TotalPhysicalMemoryAvailable:
    case GetInfoType::TotalPhysicalMemoryUsed:
    case GetInfoType::SystemResourceSize:
    case GetInfoType::SystemResourceUsage:
    case GetInfoType::TitleId:
    case GetInfoType::UserExceptionContextAddr:
    case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
    case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource: {
        if (info_sub_id != 0) {
            LOG_ERROR(Kernel_SVC, "Info sub id is non zero! info_id={}, info_sub_id={}", info_id,
                      info_sub_id);
            return ResultInvalidEnumValue;
        }

        const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
        KScopedAutoObject process = handle_table.GetObject<KProcess>(handle);
        if (process.IsNull()) {
            LOG_ERROR(Kernel_SVC, "Process is not valid! info_id={}, info_sub_id={}, handle={:08X}",
                      info_id, info_sub_id, handle);
            return ResultInvalidHandle;
        }

        switch (info_id_type) {
        case GetInfoType::AllowedCPUCoreMask:
            *result = process->GetCoreMask();
            return ResultSuccess;

        case GetInfoType::AllowedThreadPriorityMask:
            *result = process->GetPriorityMask();
            return ResultSuccess;

        case GetInfoType::MapRegionBaseAddr:
            *result = process->PageTable().GetAliasRegionStart();
            return ResultSuccess;

        case GetInfoType::MapRegionSize:
            *result = process->PageTable().GetAliasRegionSize();
            return ResultSuccess;

        case GetInfoType::HeapRegionBaseAddr:
            *result = process->PageTable().GetHeapRegionStart();
            return ResultSuccess;

        case GetInfoType::HeapRegionSize:
            *result = process->PageTable().GetHeapRegionSize();
            return ResultSuccess;

        case GetInfoType::ASLRRegionBaseAddr:
            *result = process->PageTable().GetAliasCodeRegionStart();
            return ResultSuccess;

        case GetInfoType::ASLRRegionSize:
            *result = process->PageTable().GetAliasCodeRegionSize();
            return ResultSuccess;

        case GetInfoType::StackRegionBaseAddr:
            *result = process->PageTable().GetStackRegionStart();
            return ResultSuccess;

        case GetInfoType::StackRegionSize:
            *result = process->PageTable().GetStackRegionSize();
            return ResultSuccess;

        case GetInfoType::TotalPhysicalMemoryAvailable:
            *result = process->GetTotalPhysicalMemoryAvailable();
            return ResultSuccess;

        case GetInfoType::TotalPhysicalMemoryUsed:
            *result = process->GetTotalPhysicalMemoryUsed();
            return ResultSuccess;

        case GetInfoType::SystemResourceSize:
            *result = process->GetSystemResourceSize();
            return ResultSuccess;

        case GetInfoType::SystemResourceUsage:
            LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage");
            *result = process->GetSystemResourceUsage();
            return ResultSuccess;

        case GetInfoType::TitleId:
            *result = process->GetProgramID();
            return ResultSuccess;

        case GetInfoType::UserExceptionContextAddr:
            *result = process->GetTLSRegionAddress();
            return ResultSuccess;

        case GetInfoType::TotalPhysicalMemoryAvailableWithoutSystemResource:
            *result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource();
            return ResultSuccess;

        case GetInfoType::TotalPhysicalMemoryUsedWithoutSystemResource:
            *result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource();
            return ResultSuccess;

        default:
            break;
        }

        LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
        return ResultInvalidEnumValue;
    }

    case GetInfoType::IsCurrentProcessBeingDebugged:
        *result = 0;
        return ResultSuccess;

    case GetInfoType::RegisterResourceLimit: {
        if (handle != 0) {
            LOG_ERROR(Kernel, "Handle is non zero! handle={:08X}", handle);
            return ResultInvalidHandle;
        }

        if (info_sub_id != 0) {
            LOG_ERROR(Kernel, "Info sub id is non zero! info_id={}, info_sub_id={}", info_id,
                      info_sub_id);
            return ResultInvalidCombination;
        }

        KProcess* const current_process = system.Kernel().CurrentProcess();
        KHandleTable& handle_table = current_process->GetHandleTable();
        const auto resource_limit = current_process->GetResourceLimit();
        if (!resource_limit) {
            *result = Svc::InvalidHandle;
            // Yes, the kernel considers this a successful operation.
            return ResultSuccess;
        }

        Handle resource_handle{};
        R_TRY(handle_table.Add(&resource_handle, resource_limit));

        *result = resource_handle;
        return ResultSuccess;
    }

    case GetInfoType::RandomEntropy:
        if (handle != 0) {
            LOG_ERROR(Kernel_SVC, "Process Handle is non zero, expected 0 result but got {:016X}",
                      handle);
            return ResultInvalidHandle;
        }

        if (info_sub_id >= KProcess::RANDOM_ENTROPY_SIZE) {
            LOG_ERROR(Kernel_SVC, "Entropy size is out of range, expected {} but got {}",
                      KProcess::RANDOM_ENTROPY_SIZE, info_sub_id);
            return ResultInvalidCombination;
        }

        *result = system.Kernel().CurrentProcess()->GetRandomEntropy(info_sub_id);
        return ResultSuccess;

    case GetInfoType::PrivilegedProcessId:
        LOG_WARNING(Kernel_SVC,
                    "(STUBBED) Attempted to query privileged process id bounds, returned 0");
        *result = 0;
        return ResultSuccess;

    case GetInfoType::ThreadTickCount: {
        constexpr u64 num_cpus = 4;
        if (info_sub_id != 0xFFFFFFFFFFFFFFFF && info_sub_id >= num_cpus) {
            LOG_ERROR(Kernel_SVC, "Core count is out of range, expected {} but got {}", num_cpus,
                      info_sub_id);
            return ResultInvalidCombination;
        }

        KScopedAutoObject thread =
            system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(
                static_cast<Handle>(handle));
        if (thread.IsNull()) {
            LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}",
                      static_cast<Handle>(handle));
            return ResultInvalidHandle;
        }

        const auto& core_timing = system.CoreTiming();
        const auto& scheduler = *system.Kernel().CurrentScheduler();
        const auto* const current_thread = GetCurrentThreadPointer(system.Kernel());
        const bool same_thread = current_thread == thread.GetPointerUnsafe();

        const u64 prev_ctx_ticks = scheduler.GetLastContextSwitchTime();
        u64 out_ticks = 0;
        if (same_thread && info_sub_id == 0xFFFFFFFFFFFFFFFF) {
            const u64 thread_ticks = current_thread->GetCpuTime();

            out_ticks = thread_ticks + (core_timing.GetCPUTicks() - prev_ctx_ticks);
        } else if (same_thread && info_sub_id == system.Kernel().CurrentPhysicalCoreIndex()) {
            out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks;
        }

        *result = out_ticks;
        return ResultSuccess;
    }
    case GetInfoType::IdleTickCount: {
        // Verify the input handle is invalid.
        R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);

        // Verify the requested core is valid.
        const bool core_valid =
            (info_sub_id == 0xFFFFFFFFFFFFFFFF) ||
            (info_sub_id == static_cast<u64>(system.Kernel().CurrentPhysicalCoreIndex()));
        R_UNLESS(core_valid, ResultInvalidCombination);

        // Get the idle tick count.
        *result = system.Kernel().CurrentScheduler()->GetIdleThread()->GetCpuTime();
        return ResultSuccess;
    }
    case GetInfoType::MesosphereCurrentProcess: {
        // Verify the input handle is invalid.
        R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);

        // Verify the sub-type is valid.
        R_UNLESS(info_sub_id == 0, ResultInvalidCombination);

        // Get the handle table.
        KProcess* current_process = system.Kernel().CurrentProcess();
        KHandleTable& handle_table = current_process->GetHandleTable();

        // Get a new handle for the current process.
        Handle tmp;
        R_TRY(handle_table.Add(&tmp, current_process));

        // Set the output.
        *result = tmp;

        // We succeeded.
        return ResultSuccess;
    }
    default:
        LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
        return ResultInvalidEnumValue;
    }
}

static Result GetInfo32(Core::System& system, u32* result_low, u32* result_high, u32 sub_id_low,
                        u32 info_id, u32 handle, u32 sub_id_high) {
    const u64 sub_id{u64{sub_id_low} | (u64{sub_id_high} << 32)};
    u64 res_value{};

    const Result result{GetInfo(system, &res_value, info_id, handle, sub_id)};
    *result_high = static_cast<u32>(res_value >> 32);
    *result_low = static_cast<u32>(res_value & std::numeric_limits<u32>::max());

    return result;
}

/// Maps memory at a desired address
static Result MapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
    LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size);

    if (!Common::Is4KBAligned(addr)) {
        LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, 0x{:016X}", addr);
        return ResultInvalidAddress;
    }

    if (!Common::Is4KBAligned(size)) {
        LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size);
        return ResultInvalidSize;
    }

    if (size == 0) {
        LOG_ERROR(Kernel_SVC, "Size is zero");
        return ResultInvalidSize;
    }

    if (!(addr < addr + size)) {
        LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address");
        return ResultInvalidMemoryRegion;
    }

    KProcess* const current_process{system.Kernel().CurrentProcess()};
    auto& page_table{current_process->PageTable()};

    if (current_process->GetSystemResourceSize() == 0) {
        LOG_ERROR(Kernel_SVC, "System Resource Size is zero");
        return ResultInvalidState;
    }

    if (!page_table.IsInsideAddressSpace(addr, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Address is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
                  size);
        return ResultInvalidMemoryRegion;
    }

    if (page_table.IsOutsideAliasRegion(addr, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Address is not within the alias region, addr=0x{:016X}, size=0x{:016X}", addr,
                  size);
        return ResultInvalidMemoryRegion;
    }

    return page_table.MapPhysicalMemory(addr, size);
}

static Result MapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
    return MapPhysicalMemory(system, addr, size);
}

/// Unmaps memory previously mapped via MapPhysicalMemory
static Result UnmapPhysicalMemory(Core::System& system, VAddr addr, u64 size) {
    LOG_DEBUG(Kernel_SVC, "called, addr=0x{:016X}, size=0x{:X}", addr, size);

    if (!Common::Is4KBAligned(addr)) {
        LOG_ERROR(Kernel_SVC, "Address is not aligned to 4KB, 0x{:016X}", addr);
        return ResultInvalidAddress;
    }

    if (!Common::Is4KBAligned(size)) {
        LOG_ERROR(Kernel_SVC, "Size is not aligned to 4KB, 0x{:X}", size);
        return ResultInvalidSize;
    }

    if (size == 0) {
        LOG_ERROR(Kernel_SVC, "Size is zero");
        return ResultInvalidSize;
    }

    if (!(addr < addr + size)) {
        LOG_ERROR(Kernel_SVC, "Size causes 64-bit overflow of address");
        return ResultInvalidMemoryRegion;
    }

    KProcess* const current_process{system.Kernel().CurrentProcess()};
    auto& page_table{current_process->PageTable()};

    if (current_process->GetSystemResourceSize() == 0) {
        LOG_ERROR(Kernel_SVC, "System Resource Size is zero");
        return ResultInvalidState;
    }

    if (!page_table.IsInsideAddressSpace(addr, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Address is not within the address space, addr=0x{:016X}, size=0x{:016X}", addr,
                  size);
        return ResultInvalidMemoryRegion;
    }

    if (page_table.IsOutsideAliasRegion(addr, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Address is not within the alias region, addr=0x{:016X}, size=0x{:016X}", addr,
                  size);
        return ResultInvalidMemoryRegion;
    }

    return page_table.UnmapPhysicalMemory(addr, size);
}

static Result UnmapPhysicalMemory32(Core::System& system, u32 addr, u32 size) {
    return UnmapPhysicalMemory(system, addr, size);
}

/// Sets the thread activity
static Result SetThreadActivity(Core::System& system, Handle thread_handle,
                                ThreadActivity thread_activity) {
    LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, activity=0x{:08X}", thread_handle,
              thread_activity);

    // Validate the activity.
    constexpr auto IsValidThreadActivity = [](ThreadActivity activity) {
        return activity == ThreadActivity::Runnable || activity == ThreadActivity::Paused;
    };
    R_UNLESS(IsValidThreadActivity(thread_activity), ResultInvalidEnumValue);

    // Get the thread from its handle.
    KScopedAutoObject thread =
        system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
    R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);

    // Check that the activity is being set on a non-current thread for the current process.
    R_UNLESS(thread->GetOwnerProcess() == system.Kernel().CurrentProcess(), ResultInvalidHandle);
    R_UNLESS(thread.GetPointerUnsafe() != GetCurrentThreadPointer(system.Kernel()), ResultBusy);

    // Set the activity.
    R_TRY(thread->SetActivity(thread_activity));

    return ResultSuccess;
}

static Result SetThreadActivity32(Core::System& system, Handle thread_handle,
                                  Svc::ThreadActivity thread_activity) {
    return SetThreadActivity(system, thread_handle, thread_activity);
}

/// Gets the thread context
static Result GetThreadContext(Core::System& system, VAddr out_context, Handle thread_handle) {
    LOG_DEBUG(Kernel_SVC, "called, out_context=0x{:08X}, thread_handle=0x{:X}", out_context,
              thread_handle);

    auto& kernel = system.Kernel();

    // Get the thread from its handle.
    KScopedAutoObject thread =
        kernel.CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
    R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);

    // Require the handle be to a non-current thread in the current process.
    const auto* current_process = kernel.CurrentProcess();
    R_UNLESS(current_process == thread->GetOwnerProcess(), ResultInvalidId);

    // Verify that the thread isn't terminated.
    R_UNLESS(thread->GetState() != ThreadState::Terminated, ResultTerminationRequested);

    /// Check that the thread is not the current one.
    /// NOTE: Nintendo does not check this, and thus the following loop will deadlock.
    R_UNLESS(thread.GetPointerUnsafe() != GetCurrentThreadPointer(kernel), ResultInvalidId);

    // Try to get the thread context until the thread isn't current on any core.
    while (true) {
        KScopedSchedulerLock sl{kernel};

        // TODO(bunnei): Enforce that thread is suspended for debug here.

        // If the thread's raw state isn't runnable, check if it's current on some core.
        if (thread->GetRawState() != ThreadState::Runnable) {
            bool current = false;
            for (auto i = 0; i < static_cast<s32>(Core::Hardware::NUM_CPU_CORES); ++i) {
                if (thread.GetPointerUnsafe() == kernel.Scheduler(i).GetSchedulerCurrentThread()) {
                    current = true;
                    break;
                }
            }

            // If the thread is current, retry until it isn't.
            if (current) {
                continue;
            }
        }

        // Get the thread context.
        std::vector<u8> context;
        R_TRY(thread->GetThreadContext3(context));

        // Copy the thread context to user space.
        system.Memory().WriteBlock(out_context, context.data(), context.size());

        return ResultSuccess;
    }

    return ResultSuccess;
}

static Result GetThreadContext32(Core::System& system, u32 out_context, Handle thread_handle) {
    return GetThreadContext(system, out_context, thread_handle);
}

/// Gets the priority for the specified thread
static Result GetThreadPriority(Core::System& system, u32* out_priority, Handle handle) {
    LOG_TRACE(Kernel_SVC, "called");

    // Get the thread from its handle.
    KScopedAutoObject thread =
        system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(handle);
    R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);

    // Get the thread's priority.
    *out_priority = thread->GetPriority();
    return ResultSuccess;
}

static Result GetThreadPriority32(Core::System& system, u32* out_priority, Handle handle) {
    return GetThreadPriority(system, out_priority, handle);
}

/// Sets the priority for the specified thread
static Result SetThreadPriority(Core::System& system, Handle thread_handle, u32 priority) {
    // Get the current process.
    KProcess& process = *system.Kernel().CurrentProcess();

    // Validate the priority.
    R_UNLESS(HighestThreadPriority <= priority && priority <= LowestThreadPriority,
             ResultInvalidPriority);
    R_UNLESS(process.CheckThreadPriority(priority), ResultInvalidPriority);

    // Get the thread from its handle.
    KScopedAutoObject thread = process.GetHandleTable().GetObject<KThread>(thread_handle);
    R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);

    // Set the thread priority.
    thread->SetBasePriority(priority);
    return ResultSuccess;
}

static Result SetThreadPriority32(Core::System& system, Handle thread_handle, u32 priority) {
    return SetThreadPriority(system, thread_handle, priority);
}

/// Get which CPU core is executing the current thread
static u32 GetCurrentProcessorNumber(Core::System& system) {
    LOG_TRACE(Kernel_SVC, "called");
    return static_cast<u32>(system.CurrentPhysicalCore().CoreIndex());
}

static u32 GetCurrentProcessorNumber32(Core::System& system) {
    return GetCurrentProcessorNumber(system);
}

namespace {

constexpr bool IsValidSharedMemoryPermission(Svc::MemoryPermission perm) {
    switch (perm) {
    case Svc::MemoryPermission::Read:
    case Svc::MemoryPermission::ReadWrite:
        return true;
    default:
        return false;
    }
}

[[maybe_unused]] constexpr bool IsValidRemoteSharedMemoryPermission(Svc::MemoryPermission perm) {
    return IsValidSharedMemoryPermission(perm) || perm == Svc::MemoryPermission::DontCare;
}

constexpr bool IsValidProcessMemoryPermission(Svc::MemoryPermission perm) {
    switch (perm) {
    case Svc::MemoryPermission::None:
    case Svc::MemoryPermission::Read:
    case Svc::MemoryPermission::ReadWrite:
    case Svc::MemoryPermission::ReadExecute:
        return true;
    default:
        return false;
    }
}

constexpr bool IsValidMapCodeMemoryPermission(Svc::MemoryPermission perm) {
    return perm == Svc::MemoryPermission::ReadWrite;
}

constexpr bool IsValidMapToOwnerCodeMemoryPermission(Svc::MemoryPermission perm) {
    return perm == Svc::MemoryPermission::Read || perm == Svc::MemoryPermission::ReadExecute;
}

constexpr bool IsValidUnmapCodeMemoryPermission(Svc::MemoryPermission perm) {
    return perm == Svc::MemoryPermission::None;
}

constexpr bool IsValidUnmapFromOwnerCodeMemoryPermission(Svc::MemoryPermission perm) {
    return perm == Svc::MemoryPermission::None;
}

} // Anonymous namespace

static Result MapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address, u64 size,
                              Svc::MemoryPermission map_perm) {
    LOG_TRACE(Kernel_SVC,
              "called, shared_memory_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}",
              shmem_handle, address, size, map_perm);

    // Validate the address/size.
    R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((address < address + size), ResultInvalidCurrentMemory);

    // Validate the permission.
    R_UNLESS(IsValidSharedMemoryPermission(map_perm), ResultInvalidNewMemoryPermission);

    // Get the current process.
    auto& process = *system.Kernel().CurrentProcess();
    auto& page_table = process.PageTable();

    // Get the shared memory.
    KScopedAutoObject shmem = process.GetHandleTable().GetObject<KSharedMemory>(shmem_handle);
    R_UNLESS(shmem.IsNotNull(), ResultInvalidHandle);

    // Verify that the mapping is in range.
    R_UNLESS(page_table.CanContain(address, size, KMemoryState::Shared), ResultInvalidMemoryRegion);

    // Add the shared memory to the process.
    R_TRY(process.AddSharedMemory(shmem.GetPointerUnsafe(), address, size));

    // Ensure that we clean up the shared memory if we fail to map it.
    auto guard =
        SCOPE_GUARD({ process.RemoveSharedMemory(shmem.GetPointerUnsafe(), address, size); });

    // Map the shared memory.
    R_TRY(shmem->Map(process, address, size, map_perm));

    // We succeeded.
    guard.Cancel();
    return ResultSuccess;
}

static Result MapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address, u32 size,
                                Svc::MemoryPermission map_perm) {
    return MapSharedMemory(system, shmem_handle, address, size, map_perm);
}

static Result UnmapSharedMemory(Core::System& system, Handle shmem_handle, VAddr address,
                                u64 size) {
    // Validate the address/size.
    R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((address < address + size), ResultInvalidCurrentMemory);

    // Get the current process.
    auto& process = *system.Kernel().CurrentProcess();
    auto& page_table = process.PageTable();

    // Get the shared memory.
    KScopedAutoObject shmem = process.GetHandleTable().GetObject<KSharedMemory>(shmem_handle);
    R_UNLESS(shmem.IsNotNull(), ResultInvalidHandle);

    // Verify that the mapping is in range.
    R_UNLESS(page_table.CanContain(address, size, KMemoryState::Shared), ResultInvalidMemoryRegion);

    // Unmap the shared memory.
    R_TRY(shmem->Unmap(process, address, size));

    // Remove the shared memory from the process.
    process.RemoveSharedMemory(shmem.GetPointerUnsafe(), address, size);

    return ResultSuccess;
}

static Result UnmapSharedMemory32(Core::System& system, Handle shmem_handle, u32 address,
                                  u32 size) {
    return UnmapSharedMemory(system, shmem_handle, address, size);
}

static Result SetProcessMemoryPermission(Core::System& system, Handle process_handle, VAddr address,
                                         u64 size, Svc::MemoryPermission perm) {
    LOG_TRACE(Kernel_SVC,
              "called, process_handle=0x{:X}, addr=0x{:X}, size=0x{:X}, permissions=0x{:08X}",
              process_handle, address, size, perm);

    // Validate the address/size.
    R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((address < address + size), ResultInvalidCurrentMemory);
    R_UNLESS(address == static_cast<uintptr_t>(address), ResultInvalidCurrentMemory);
    R_UNLESS(size == static_cast<size_t>(size), ResultInvalidCurrentMemory);

    // Validate the memory permission.
    R_UNLESS(IsValidProcessMemoryPermission(perm), ResultInvalidNewMemoryPermission);

    // Get the process from its handle.
    KScopedAutoObject process =
        system.CurrentProcess()->GetHandleTable().GetObject<KProcess>(process_handle);
    R_UNLESS(process.IsNotNull(), ResultInvalidHandle);

    // Validate that the address is in range.
    auto& page_table = process->PageTable();
    R_UNLESS(page_table.Contains(address, size), ResultInvalidCurrentMemory);

    // Set the memory permission.
    return page_table.SetProcessMemoryPermission(address, size, perm);
}

static Result MapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
                               VAddr src_address, u64 size) {
    LOG_TRACE(Kernel_SVC,
              "called, dst_address=0x{:X}, process_handle=0x{:X}, src_address=0x{:X}, size=0x{:X}",
              dst_address, process_handle, src_address, size);

    // Validate the address/size.
    R_UNLESS(Common::IsAligned(dst_address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(src_address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((dst_address < dst_address + size), ResultInvalidCurrentMemory);
    R_UNLESS((src_address < src_address + size), ResultInvalidCurrentMemory);

    // Get the processes.
    KProcess* dst_process = system.CurrentProcess();
    KScopedAutoObject src_process =
        dst_process->GetHandleTable().GetObjectWithoutPseudoHandle<KProcess>(process_handle);
    R_UNLESS(src_process.IsNotNull(), ResultInvalidHandle);

    // Get the page tables.
    auto& dst_pt = dst_process->PageTable();
    auto& src_pt = src_process->PageTable();

    // Validate that the mapping is in range.
    R_UNLESS(src_pt.Contains(src_address, size), ResultInvalidCurrentMemory);
    R_UNLESS(dst_pt.CanContain(dst_address, size, KMemoryState::SharedCode),
             ResultInvalidMemoryRegion);

    // Create a new page group.
    KPageGroup pg;
    R_TRY(src_pt.MakeAndOpenPageGroup(
        std::addressof(pg), src_address, size / PageSize, KMemoryState::FlagCanMapProcess,
        KMemoryState::FlagCanMapProcess, KMemoryPermission::None, KMemoryPermission::None,
        KMemoryAttribute::All, KMemoryAttribute::None));

    // Map the group.
    R_TRY(dst_pt.MapPages(dst_address, pg, KMemoryState::SharedCode,
                          KMemoryPermission::UserReadWrite));

    return ResultSuccess;
}

static Result UnmapProcessMemory(Core::System& system, VAddr dst_address, Handle process_handle,
                                 VAddr src_address, u64 size) {
    LOG_TRACE(Kernel_SVC,
              "called, dst_address=0x{:X}, process_handle=0x{:X}, src_address=0x{:X}, size=0x{:X}",
              dst_address, process_handle, src_address, size);

    // Validate the address/size.
    R_UNLESS(Common::IsAligned(dst_address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(src_address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((dst_address < dst_address + size), ResultInvalidCurrentMemory);
    R_UNLESS((src_address < src_address + size), ResultInvalidCurrentMemory);

    // Get the processes.
    KProcess* dst_process = system.CurrentProcess();
    KScopedAutoObject src_process =
        dst_process->GetHandleTable().GetObjectWithoutPseudoHandle<KProcess>(process_handle);
    R_UNLESS(src_process.IsNotNull(), ResultInvalidHandle);

    // Get the page tables.
    auto& dst_pt = dst_process->PageTable();
    auto& src_pt = src_process->PageTable();

    // Validate that the mapping is in range.
    R_UNLESS(src_pt.Contains(src_address, size), ResultInvalidCurrentMemory);
    R_UNLESS(dst_pt.CanContain(dst_address, size, KMemoryState::SharedCode),
             ResultInvalidMemoryRegion);

    // Unmap the memory.
    R_TRY(dst_pt.UnmapProcessMemory(dst_address, size, src_pt, src_address));

    return ResultSuccess;
}

static Result CreateCodeMemory(Core::System& system, Handle* out, VAddr address, size_t size) {
    LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, size=0x{:X}", address, size);

    // Get kernel instance.
    auto& kernel = system.Kernel();

    // Validate address / size.
    R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((address < address + size), ResultInvalidCurrentMemory);

    // Create the code memory.

    KCodeMemory* code_mem = KCodeMemory::Create(kernel);
    R_UNLESS(code_mem != nullptr, ResultOutOfResource);

    // Verify that the region is in range.
    R_UNLESS(system.CurrentProcess()->PageTable().Contains(address, size),
             ResultInvalidCurrentMemory);

    // Initialize the code memory.
    R_TRY(code_mem->Initialize(system.DeviceMemory(), address, size));

    // Register the code memory.
    KCodeMemory::Register(kernel, code_mem);

    // Add the code memory to the handle table.
    R_TRY(system.CurrentProcess()->GetHandleTable().Add(out, code_mem));

    code_mem->Close();

    return ResultSuccess;
}

static Result CreateCodeMemory32(Core::System& system, Handle* out, u32 address, u32 size) {
    return CreateCodeMemory(system, out, address, size);
}

static Result ControlCodeMemory(Core::System& system, Handle code_memory_handle, u32 operation,
                                VAddr address, size_t size, Svc::MemoryPermission perm) {

    LOG_TRACE(Kernel_SVC,
              "called, code_memory_handle=0x{:X}, operation=0x{:X}, address=0x{:X}, size=0x{:X}, "
              "permission=0x{:X}",
              code_memory_handle, operation, address, size, perm);

    // Validate the address / size.
    R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((address < address + size), ResultInvalidCurrentMemory);

    // Get the code memory from its handle.
    KScopedAutoObject code_mem =
        system.CurrentProcess()->GetHandleTable().GetObject<KCodeMemory>(code_memory_handle);
    R_UNLESS(code_mem.IsNotNull(), ResultInvalidHandle);

    // NOTE: Here, Atmosphere extends the SVC to allow code memory operations on one's own process.
    // This enables homebrew usage of these SVCs for JIT.

    // Perform the operation.
    switch (static_cast<CodeMemoryOperation>(operation)) {
    case CodeMemoryOperation::Map: {
        // Check that the region is in range.
        R_UNLESS(
            system.CurrentProcess()->PageTable().CanContain(address, size, KMemoryState::CodeOut),
            ResultInvalidMemoryRegion);

        // Check the memory permission.
        R_UNLESS(IsValidMapCodeMemoryPermission(perm), ResultInvalidNewMemoryPermission);

        // Map the memory.
        R_TRY(code_mem->Map(address, size));
    } break;
    case CodeMemoryOperation::Unmap: {
        // Check that the region is in range.
        R_UNLESS(
            system.CurrentProcess()->PageTable().CanContain(address, size, KMemoryState::CodeOut),
            ResultInvalidMemoryRegion);

        // Check the memory permission.
        R_UNLESS(IsValidUnmapCodeMemoryPermission(perm), ResultInvalidNewMemoryPermission);

        // Unmap the memory.
        R_TRY(code_mem->Unmap(address, size));
    } break;
    case CodeMemoryOperation::MapToOwner: {
        // Check that the region is in range.
        R_UNLESS(code_mem->GetOwner()->PageTable().CanContain(address, size,
                                                              KMemoryState::GeneratedCode),
                 ResultInvalidMemoryRegion);

        // Check the memory permission.
        R_UNLESS(IsValidMapToOwnerCodeMemoryPermission(perm), ResultInvalidNewMemoryPermission);

        // Map the memory to its owner.
        R_TRY(code_mem->MapToOwner(address, size, perm));
    } break;
    case CodeMemoryOperation::UnmapFromOwner: {
        // Check that the region is in range.
        R_UNLESS(code_mem->GetOwner()->PageTable().CanContain(address, size,
                                                              KMemoryState::GeneratedCode),
                 ResultInvalidMemoryRegion);

        // Check the memory permission.
        R_UNLESS(IsValidUnmapFromOwnerCodeMemoryPermission(perm), ResultInvalidNewMemoryPermission);

        // Unmap the memory from its owner.
        R_TRY(code_mem->UnmapFromOwner(address, size));
    } break;
    default:
        return ResultInvalidEnumValue;
    }

    return ResultSuccess;
}

static Result ControlCodeMemory32(Core::System& system, Handle code_memory_handle, u32 operation,
                                  u64 address, u64 size, Svc::MemoryPermission perm) {
    return ControlCodeMemory(system, code_memory_handle, operation, address, size, perm);
}

static Result QueryProcessMemory(Core::System& system, VAddr memory_info_address,
                                 VAddr page_info_address, Handle process_handle, VAddr address) {
    LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address);
    const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
    KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle);
    if (process.IsNull()) {
        LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}",
                  process_handle);
        return ResultInvalidHandle;
    }

    auto& memory{system.Memory()};
    const auto memory_info{process->PageTable().QueryInfo(address).GetSvcMemoryInfo()};

    memory.Write64(memory_info_address + 0x00, memory_info.addr);
    memory.Write64(memory_info_address + 0x08, memory_info.size);
    memory.Write32(memory_info_address + 0x10, static_cast<u32>(memory_info.state) & 0xff);
    memory.Write32(memory_info_address + 0x14, static_cast<u32>(memory_info.attr));
    memory.Write32(memory_info_address + 0x18, static_cast<u32>(memory_info.perm));
    memory.Write32(memory_info_address + 0x1c, memory_info.ipc_refcount);
    memory.Write32(memory_info_address + 0x20, memory_info.device_refcount);
    memory.Write32(memory_info_address + 0x24, 0);

    // Page info appears to be currently unused by the kernel and is always set to zero.
    memory.Write32(page_info_address, 0);

    return ResultSuccess;
}

static Result QueryMemory(Core::System& system, VAddr memory_info_address, VAddr page_info_address,
                          VAddr query_address) {
    LOG_TRACE(Kernel_SVC,
              "called, memory_info_address=0x{:016X}, page_info_address=0x{:016X}, "
              "query_address=0x{:016X}",
              memory_info_address, page_info_address, query_address);

    return QueryProcessMemory(system, memory_info_address, page_info_address, CurrentProcess,
                              query_address);
}

static Result QueryMemory32(Core::System& system, u32 memory_info_address, u32 page_info_address,
                            u32 query_address) {
    return QueryMemory(system, memory_info_address, page_info_address, query_address);
}

static Result MapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
                                   u64 src_address, u64 size) {
    LOG_DEBUG(Kernel_SVC,
              "called. process_handle=0x{:08X}, dst_address=0x{:016X}, "
              "src_address=0x{:016X}, size=0x{:016X}",
              process_handle, dst_address, src_address, size);

    if (!Common::Is4KBAligned(src_address)) {
        LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).",
                  src_address);
        return ResultInvalidAddress;
    }

    if (!Common::Is4KBAligned(dst_address)) {
        LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).",
                  dst_address);
        return ResultInvalidAddress;
    }

    if (size == 0 || !Common::Is4KBAligned(size)) {
        LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X})", size);
        return ResultInvalidSize;
    }

    if (!IsValidAddressRange(dst_address, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Destination address range overflows the address space (dst_address=0x{:016X}, "
                  "size=0x{:016X}).",
                  dst_address, size);
        return ResultInvalidCurrentMemory;
    }

    if (!IsValidAddressRange(src_address, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Source address range overflows the address space (src_address=0x{:016X}, "
                  "size=0x{:016X}).",
                  src_address, size);
        return ResultInvalidCurrentMemory;
    }

    const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
    KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle);
    if (process.IsNull()) {
        LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).",
                  process_handle);
        return ResultInvalidHandle;
    }

    auto& page_table = process->PageTable();
    if (!page_table.IsInsideAddressSpace(src_address, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Source address range is not within the address space (src_address=0x{:016X}, "
                  "size=0x{:016X}).",
                  src_address, size);
        return ResultInvalidCurrentMemory;
    }

    if (!page_table.IsInsideASLRRegion(dst_address, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Destination address range is not within the ASLR region (dst_address=0x{:016X}, "
                  "size=0x{:016X}).",
                  dst_address, size);
        return ResultInvalidMemoryRegion;
    }

    return page_table.MapCodeMemory(dst_address, src_address, size);
}

static Result UnmapProcessCodeMemory(Core::System& system, Handle process_handle, u64 dst_address,
                                     u64 src_address, u64 size) {
    LOG_DEBUG(Kernel_SVC,
              "called. process_handle=0x{:08X}, dst_address=0x{:016X}, src_address=0x{:016X}, "
              "size=0x{:016X}",
              process_handle, dst_address, src_address, size);

    if (!Common::Is4KBAligned(dst_address)) {
        LOG_ERROR(Kernel_SVC, "dst_address is not page-aligned (dst_address=0x{:016X}).",
                  dst_address);
        return ResultInvalidAddress;
    }

    if (!Common::Is4KBAligned(src_address)) {
        LOG_ERROR(Kernel_SVC, "src_address is not page-aligned (src_address=0x{:016X}).",
                  src_address);
        return ResultInvalidAddress;
    }

    if (size == 0 || !Common::Is4KBAligned(size)) {
        LOG_ERROR(Kernel_SVC, "Size is zero or not page-aligned (size=0x{:016X}).", size);
        return ResultInvalidSize;
    }

    if (!IsValidAddressRange(dst_address, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Destination address range overflows the address space (dst_address=0x{:016X}, "
                  "size=0x{:016X}).",
                  dst_address, size);
        return ResultInvalidCurrentMemory;
    }

    if (!IsValidAddressRange(src_address, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Source address range overflows the address space (src_address=0x{:016X}, "
                  "size=0x{:016X}).",
                  src_address, size);
        return ResultInvalidCurrentMemory;
    }

    const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
    KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle);
    if (process.IsNull()) {
        LOG_ERROR(Kernel_SVC, "Invalid process handle specified (handle=0x{:08X}).",
                  process_handle);
        return ResultInvalidHandle;
    }

    auto& page_table = process->PageTable();
    if (!page_table.IsInsideAddressSpace(src_address, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Source address range is not within the address space (src_address=0x{:016X}, "
                  "size=0x{:016X}).",
                  src_address, size);
        return ResultInvalidCurrentMemory;
    }

    if (!page_table.IsInsideASLRRegion(dst_address, size)) {
        LOG_ERROR(Kernel_SVC,
                  "Destination address range is not within the ASLR region (dst_address=0x{:016X}, "
                  "size=0x{:016X}).",
                  dst_address, size);
        return ResultInvalidMemoryRegion;
    }

    return page_table.UnmapCodeMemory(dst_address, src_address, size,
                                      KPageTable::ICacheInvalidationStrategy::InvalidateAll);
}

/// Exits the current process
static void ExitProcess(Core::System& system) {
    auto* current_process = system.Kernel().CurrentProcess();

    LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
    ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running,
               "Process has already exited");

    system.Exit();
}

static void ExitProcess32(Core::System& system) {
    ExitProcess(system);
}

namespace {

constexpr bool IsValidVirtualCoreId(int32_t core_id) {
    return (0 <= core_id && core_id < static_cast<int32_t>(Core::Hardware::NUM_CPU_CORES));
}

} // Anonymous namespace

/// Creates a new thread
static Result CreateThread(Core::System& system, Handle* out_handle, VAddr entry_point, u64 arg,
                           VAddr stack_bottom, u32 priority, s32 core_id) {
    LOG_DEBUG(Kernel_SVC,
              "called entry_point=0x{:08X}, arg=0x{:08X}, stack_bottom=0x{:08X}, "
              "priority=0x{:08X}, core_id=0x{:08X}",
              entry_point, arg, stack_bottom, priority, core_id);

    // Adjust core id, if it's the default magic.
    auto& kernel = system.Kernel();
    auto& process = *kernel.CurrentProcess();
    if (core_id == IdealCoreUseProcessValue) {
        core_id = process.GetIdealCoreId();
    }

    // Validate arguments.
    if (!IsValidVirtualCoreId(core_id)) {
        LOG_ERROR(Kernel_SVC, "Invalid Core ID specified (id={})", core_id);
        return ResultInvalidCoreId;
    }
    if (((1ULL << core_id) & process.GetCoreMask()) == 0) {
        LOG_ERROR(Kernel_SVC, "Core ID doesn't fall within allowable cores (id={})", core_id);
        return ResultInvalidCoreId;
    }

    if (HighestThreadPriority > priority || priority > LowestThreadPriority) {
        LOG_ERROR(Kernel_SVC, "Invalid priority specified (priority={})", priority);
        return ResultInvalidPriority;
    }
    if (!process.CheckThreadPriority(priority)) {
        LOG_ERROR(Kernel_SVC, "Invalid allowable thread priority (priority={})", priority);
        return ResultInvalidPriority;
    }

    // Reserve a new thread from the process resource limit (waiting up to 100ms).
    KScopedResourceReservation thread_reservation(
        kernel.CurrentProcess(), LimitableResource::Threads, 1,
        system.CoreTiming().GetGlobalTimeNs().count() + 100000000);
    if (!thread_reservation.Succeeded()) {
        LOG_ERROR(Kernel_SVC, "Could not reserve a new thread");
        return ResultLimitReached;
    }

    // Create the thread.
    KThread* thread = KThread::Create(kernel);
    if (!thread) {
        LOG_ERROR(Kernel_SVC, "Unable to create new threads. Thread creation limit reached.");
        return ResultOutOfResource;
    }
    SCOPE_EXIT({ thread->Close(); });

    // Initialize the thread.
    {
        KScopedLightLock lk{process.GetStateLock()};
        R_TRY(KThread::InitializeUserThread(system, thread, entry_point, arg, stack_bottom,
                                            priority, core_id, &process));
    }

    // Set the thread name for debugging purposes.
    thread->SetName(fmt::format("thread[entry_point={:X}, handle={:X}]", entry_point, *out_handle));

    // Commit the thread reservation.
    thread_reservation.Commit();

    // Register the new thread.
    KThread::Register(kernel, thread);

    // Add the thread to the handle table.
    R_TRY(process.GetHandleTable().Add(out_handle, thread));

    return ResultSuccess;
}

static Result CreateThread32(Core::System& system, Handle* out_handle, u32 priority,
                             u32 entry_point, u32 arg, u32 stack_top, s32 processor_id) {
    return CreateThread(system, out_handle, entry_point, arg, stack_top, priority, processor_id);
}

/// Starts the thread for the provided handle
static Result StartThread(Core::System& system, Handle thread_handle) {
    LOG_DEBUG(Kernel_SVC, "called thread=0x{:08X}", thread_handle);

    // Get the thread from its handle.
    KScopedAutoObject thread =
        system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
    R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);

    // Try to start the thread.
    R_TRY(thread->Run());

    // If we succeeded, persist a reference to the thread.
    thread->Open();
    system.Kernel().RegisterInUseObject(thread.GetPointerUnsafe());

    return ResultSuccess;
}

static Result StartThread32(Core::System& system, Handle thread_handle) {
    return StartThread(system, thread_handle);
}

/// Called when a thread exits
static void ExitThread(Core::System& system) {
    LOG_DEBUG(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC());

    auto* const current_thread = GetCurrentThreadPointer(system.Kernel());
    system.GlobalSchedulerContext().RemoveThread(current_thread);
    current_thread->Exit();
    system.Kernel().UnregisterInUseObject(current_thread);
}

static void ExitThread32(Core::System& system) {
    ExitThread(system);
}

/// Sleep the current thread
static void SleepThread(Core::System& system, s64 nanoseconds) {
    auto& kernel = system.Kernel();
    const auto yield_type = static_cast<Svc::YieldType>(nanoseconds);

    LOG_TRACE(Kernel_SVC, "called nanoseconds={}", nanoseconds);

    // When the input tick is positive, sleep.
    if (nanoseconds > 0) {
        // Convert the timeout from nanoseconds to ticks.
        // NOTE: Nintendo does not use this conversion logic in WaitSynchronization...

        // Sleep.
        // NOTE: Nintendo does not check the result of this sleep.
        static_cast<void>(GetCurrentThread(kernel).Sleep(nanoseconds));
    } else if (yield_type == Svc::YieldType::WithoutCoreMigration) {
        KScheduler::YieldWithoutCoreMigration(kernel);
    } else if (yield_type == Svc::YieldType::WithCoreMigration) {
        KScheduler::YieldWithCoreMigration(kernel);
    } else if (yield_type == Svc::YieldType::ToAnyThread) {
        KScheduler::YieldToAnyThread(kernel);
    } else {
        // Nintendo does nothing at all if an otherwise invalid value is passed.
        ASSERT_MSG(false, "Unimplemented sleep yield type '{:016X}'!", nanoseconds);
    }
}

static void SleepThread32(Core::System& system, u32 nanoseconds_low, u32 nanoseconds_high) {
    const auto nanoseconds = static_cast<s64>(u64{nanoseconds_low} | (u64{nanoseconds_high} << 32));
    SleepThread(system, nanoseconds);
}

/// Wait process wide key atomic
static Result WaitProcessWideKeyAtomic(Core::System& system, VAddr address, VAddr cv_key, u32 tag,
                                       s64 timeout_ns) {
    LOG_TRACE(Kernel_SVC, "called address={:X}, cv_key={:X}, tag=0x{:08X}, timeout_ns={}", address,
              cv_key, tag, timeout_ns);

    // Validate input.
    if (IsKernelAddress(address)) {
        LOG_ERROR(Kernel_SVC, "Attempted to wait on kernel address (address={:08X})", address);
        return ResultInvalidCurrentMemory;
    }
    if (!Common::IsAligned(address, sizeof(s32))) {
        LOG_ERROR(Kernel_SVC, "Address must be 4 byte aligned (address={:08X})", address);
        return ResultInvalidAddress;
    }

    // Convert timeout from nanoseconds to ticks.
    s64 timeout{};
    if (timeout_ns > 0) {
        const s64 offset_tick(timeout_ns);
        if (offset_tick > 0) {
            timeout = offset_tick + 2;
            if (timeout <= 0) {
                timeout = std::numeric_limits<s64>::max();
            }
        } else {
            timeout = std::numeric_limits<s64>::max();
        }
    } else {
        timeout = timeout_ns;
    }

    // Wait on the condition variable.
    return system.Kernel().CurrentProcess()->WaitConditionVariable(
        address, Common::AlignDown(cv_key, sizeof(u32)), tag, timeout);
}

static Result WaitProcessWideKeyAtomic32(Core::System& system, u32 address, u32 cv_key, u32 tag,
                                         u32 timeout_ns_low, u32 timeout_ns_high) {
    const auto timeout_ns = static_cast<s64>(timeout_ns_low | (u64{timeout_ns_high} << 32));
    return WaitProcessWideKeyAtomic(system, address, cv_key, tag, timeout_ns);
}

/// Signal process wide key
static void SignalProcessWideKey(Core::System& system, VAddr cv_key, s32 count) {
    LOG_TRACE(Kernel_SVC, "called, cv_key=0x{:X}, count=0x{:08X}", cv_key, count);

    // Signal the condition variable.
    return system.Kernel().CurrentProcess()->SignalConditionVariable(
        Common::AlignDown(cv_key, sizeof(u32)), count);
}

static void SignalProcessWideKey32(Core::System& system, u32 cv_key, s32 count) {
    SignalProcessWideKey(system, cv_key, count);
}

namespace {

constexpr bool IsValidSignalType(Svc::SignalType type) {
    switch (type) {
    case Svc::SignalType::Signal:
    case Svc::SignalType::SignalAndIncrementIfEqual:
    case Svc::SignalType::SignalAndModifyByWaitingCountIfEqual:
        return true;
    default:
        return false;
    }
}

constexpr bool IsValidArbitrationType(Svc::ArbitrationType type) {
    switch (type) {
    case Svc::ArbitrationType::WaitIfLessThan:
    case Svc::ArbitrationType::DecrementAndWaitIfLessThan:
    case Svc::ArbitrationType::WaitIfEqual:
        return true;
    default:
        return false;
    }
}

} // namespace

// Wait for an address (via Address Arbiter)
static Result WaitForAddress(Core::System& system, VAddr address, Svc::ArbitrationType arb_type,
                             s32 value, s64 timeout_ns) {
    LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, arb_type=0x{:X}, value=0x{:X}, timeout_ns={}",
              address, arb_type, value, timeout_ns);

    // Validate input.
    if (IsKernelAddress(address)) {
        LOG_ERROR(Kernel_SVC, "Attempting to wait on kernel address (address={:08X})", address);
        return ResultInvalidCurrentMemory;
    }
    if (!Common::IsAligned(address, sizeof(s32))) {
        LOG_ERROR(Kernel_SVC, "Wait address must be 4 byte aligned (address={:08X})", address);
        return ResultInvalidAddress;
    }
    if (!IsValidArbitrationType(arb_type)) {
        LOG_ERROR(Kernel_SVC, "Invalid arbitration type specified (type={})", arb_type);
        return ResultInvalidEnumValue;
    }

    // Convert timeout from nanoseconds to ticks.
    s64 timeout{};
    if (timeout_ns > 0) {
        const s64 offset_tick(timeout_ns);
        if (offset_tick > 0) {
            timeout = offset_tick + 2;
            if (timeout <= 0) {
                timeout = std::numeric_limits<s64>::max();
            }
        } else {
            timeout = std::numeric_limits<s64>::max();
        }
    } else {
        timeout = timeout_ns;
    }

    return system.Kernel().CurrentProcess()->WaitAddressArbiter(address, arb_type, value, timeout);
}

static Result WaitForAddress32(Core::System& system, u32 address, Svc::ArbitrationType arb_type,
                               s32 value, u32 timeout_ns_low, u32 timeout_ns_high) {
    const auto timeout = static_cast<s64>(timeout_ns_low | (u64{timeout_ns_high} << 32));
    return WaitForAddress(system, address, arb_type, value, timeout);
}

// Signals to an address (via Address Arbiter)
static Result SignalToAddress(Core::System& system, VAddr address, Svc::SignalType signal_type,
                              s32 value, s32 count) {
    LOG_TRACE(Kernel_SVC, "called, address=0x{:X}, signal_type=0x{:X}, value=0x{:X}, count=0x{:X}",
              address, signal_type, value, count);

    // Validate input.
    if (IsKernelAddress(address)) {
        LOG_ERROR(Kernel_SVC, "Attempting to signal to a kernel address (address={:08X})", address);
        return ResultInvalidCurrentMemory;
    }
    if (!Common::IsAligned(address, sizeof(s32))) {
        LOG_ERROR(Kernel_SVC, "Signaled address must be 4 byte aligned (address={:08X})", address);
        return ResultInvalidAddress;
    }
    if (!IsValidSignalType(signal_type)) {
        LOG_ERROR(Kernel_SVC, "Invalid signal type specified (type={})", signal_type);
        return ResultInvalidEnumValue;
    }

    return system.Kernel().CurrentProcess()->SignalAddressArbiter(address, signal_type, value,
                                                                  count);
}

static void SynchronizePreemptionState(Core::System& system) {
    auto& kernel = system.Kernel();

    // Lock the scheduler.
    KScopedSchedulerLock sl{kernel};

    // If the current thread is pinned, unpin it.
    KProcess* cur_process = system.Kernel().CurrentProcess();
    const auto core_id = GetCurrentCoreId(kernel);

    if (cur_process->GetPinnedThread(core_id) == GetCurrentThreadPointer(kernel)) {
        // Clear the current thread's interrupt flag.
        GetCurrentThread(kernel).ClearInterruptFlag();

        // Unpin the current thread.
        cur_process->UnpinCurrentThread(core_id);
    }
}

static Result SignalToAddress32(Core::System& system, u32 address, Svc::SignalType signal_type,
                                s32 value, s32 count) {
    return SignalToAddress(system, address, signal_type, value, count);
}

static void KernelDebug([[maybe_unused]] Core::System& system,
                        [[maybe_unused]] u32 kernel_debug_type, [[maybe_unused]] u64 param1,
                        [[maybe_unused]] u64 param2, [[maybe_unused]] u64 param3) {
    // Intentionally do nothing, as this does nothing in released kernel binaries.
}

static void ChangeKernelTraceState([[maybe_unused]] Core::System& system,
                                   [[maybe_unused]] u32 trace_state) {
    // Intentionally do nothing, as this does nothing in released kernel binaries.
}

/// This returns the total CPU ticks elapsed since the CPU was powered-on
static u64 GetSystemTick(Core::System& system) {
    LOG_TRACE(Kernel_SVC, "called");

    auto& core_timing = system.CoreTiming();

    // Returns the value of cntpct_el0 (https://switchbrew.org/wiki/SVC#svcGetSystemTick)
    const u64 result{system.CoreTiming().GetClockTicks()};

    if (!system.Kernel().IsMulticore()) {
        core_timing.AddTicks(400U);
    }

    return result;
}

static void GetSystemTick32(Core::System& system, u32* time_low, u32* time_high) {
    const auto time = GetSystemTick(system);
    *time_low = static_cast<u32>(time);
    *time_high = static_cast<u32>(time >> 32);
}

/// Close a handle
static Result CloseHandle(Core::System& system, Handle handle) {
    LOG_TRACE(Kernel_SVC, "Closing handle 0x{:08X}", handle);

    // Remove the handle.
    R_UNLESS(system.Kernel().CurrentProcess()->GetHandleTable().Remove(handle),
             ResultInvalidHandle);

    return ResultSuccess;
}

static Result CloseHandle32(Core::System& system, Handle handle) {
    return CloseHandle(system, handle);
}

/// Clears the signaled state of an event or process.
static Result ResetSignal(Core::System& system, Handle handle) {
    LOG_DEBUG(Kernel_SVC, "called handle 0x{:08X}", handle);

    // Get the current handle table.
    const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();

    // Try to reset as readable event.
    {
        KScopedAutoObject readable_event = handle_table.GetObject<KReadableEvent>(handle);
        if (readable_event.IsNotNull()) {
            return readable_event->Reset();
        }
    }

    // Try to reset as process.
    {
        KScopedAutoObject process = handle_table.GetObject<KProcess>(handle);
        if (process.IsNotNull()) {
            return process->Reset();
        }
    }

    LOG_ERROR(Kernel_SVC, "invalid handle (0x{:08X})", handle);

    return ResultInvalidHandle;
}

static Result ResetSignal32(Core::System& system, Handle handle) {
    return ResetSignal(system, handle);
}

namespace {

constexpr bool IsValidTransferMemoryPermission(MemoryPermission perm) {
    switch (perm) {
    case MemoryPermission::None:
    case MemoryPermission::Read:
    case MemoryPermission::ReadWrite:
        return true;
    default:
        return false;
    }
}

} // Anonymous namespace

/// Creates a TransferMemory object
static Result CreateTransferMemory(Core::System& system, Handle* out, VAddr address, u64 size,
                                   MemoryPermission map_perm) {
    auto& kernel = system.Kernel();

    // Validate the size.
    R_UNLESS(Common::IsAligned(address, PageSize), ResultInvalidAddress);
    R_UNLESS(Common::IsAligned(size, PageSize), ResultInvalidSize);
    R_UNLESS(size > 0, ResultInvalidSize);
    R_UNLESS((address < address + size), ResultInvalidCurrentMemory);

    // Validate the permissions.
    R_UNLESS(IsValidTransferMemoryPermission(map_perm), ResultInvalidNewMemoryPermission);

    // Get the current process and handle table.
    auto& process = *kernel.CurrentProcess();
    auto& handle_table = process.GetHandleTable();

    // Reserve a new transfer memory from the process resource limit.
    KScopedResourceReservation trmem_reservation(kernel.CurrentProcess(),
                                                 LimitableResource::TransferMemory);
    R_UNLESS(trmem_reservation.Succeeded(), ResultLimitReached);

    // Create the transfer memory.
    KTransferMemory* trmem = KTransferMemory::Create(kernel);
    R_UNLESS(trmem != nullptr, ResultOutOfResource);

    // Ensure the only reference is in the handle table when we're done.
    SCOPE_EXIT({ trmem->Close(); });

    // Ensure that the region is in range.
    R_UNLESS(process.PageTable().Contains(address, size), ResultInvalidCurrentMemory);

    // Initialize the transfer memory.
    R_TRY(trmem->Initialize(address, size, map_perm));

    // Commit the reservation.
    trmem_reservation.Commit();

    // Register the transfer memory.
    KTransferMemory::Register(kernel, trmem);

    // Add the transfer memory to the handle table.
    R_TRY(handle_table.Add(out, trmem));

    return ResultSuccess;
}

static Result CreateTransferMemory32(Core::System& system, Handle* out, u32 address, u32 size,
                                     MemoryPermission map_perm) {
    return CreateTransferMemory(system, out, address, size, map_perm);
}

static Result GetThreadCoreMask(Core::System& system, Handle thread_handle, s32* out_core_id,
                                u64* out_affinity_mask) {
    LOG_TRACE(Kernel_SVC, "called, handle=0x{:08X}", thread_handle);

    // Get the thread from its handle.
    KScopedAutoObject thread =
        system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
    R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);

    // Get the core mask.
    R_TRY(thread->GetCoreMask(out_core_id, out_affinity_mask));

    return ResultSuccess;
}

static Result GetThreadCoreMask32(Core::System& system, Handle thread_handle, s32* out_core_id,
                                  u32* out_affinity_mask_low, u32* out_affinity_mask_high) {
    u64 out_affinity_mask{};
    const auto result = GetThreadCoreMask(system, thread_handle, out_core_id, &out_affinity_mask);
    *out_affinity_mask_high = static_cast<u32>(out_affinity_mask >> 32);
    *out_affinity_mask_low = static_cast<u32>(out_affinity_mask);
    return result;
}

static Result SetThreadCoreMask(Core::System& system, Handle thread_handle, s32 core_id,
                                u64 affinity_mask) {
    // Determine the core id/affinity mask.
    if (core_id == IdealCoreUseProcessValue) {
        core_id = system.Kernel().CurrentProcess()->GetIdealCoreId();
        affinity_mask = (1ULL << core_id);
    } else {
        // Validate the affinity mask.
        const u64 process_core_mask = system.Kernel().CurrentProcess()->GetCoreMask();
        R_UNLESS((affinity_mask | process_core_mask) == process_core_mask, ResultInvalidCoreId);
        R_UNLESS(affinity_mask != 0, ResultInvalidCombination);

        // Validate the core id.
        if (IsValidVirtualCoreId(core_id)) {
            R_UNLESS(((1ULL << core_id) & affinity_mask) != 0, ResultInvalidCombination);
        } else {
            R_UNLESS(core_id == IdealCoreNoUpdate || core_id == IdealCoreDontCare,
                     ResultInvalidCoreId);
        }
    }

    // Get the thread from its handle.
    KScopedAutoObject thread =
        system.Kernel().CurrentProcess()->GetHandleTable().GetObject<KThread>(thread_handle);
    R_UNLESS(thread.IsNotNull(), ResultInvalidHandle);

    // Set the core mask.
    R_TRY(thread->SetCoreMask(core_id, affinity_mask));

    return ResultSuccess;
}

static Result SetThreadCoreMask32(Core::System& system, Handle thread_handle, s32 core_id,
                                  u32 affinity_mask_low, u32 affinity_mask_high) {
    const auto affinity_mask = u64{affinity_mask_low} | (u64{affinity_mask_high} << 32);
    return SetThreadCoreMask(system, thread_handle, core_id, affinity_mask);
}

static Result SignalEvent(Core::System& system, Handle event_handle) {
    LOG_DEBUG(Kernel_SVC, "called, event_handle=0x{:08X}", event_handle);

    // Get the current handle table.
    const KHandleTable& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();

    // Get the writable event.
    KScopedAutoObject writable_event = handle_table.GetObject<KWritableEvent>(event_handle);
    R_UNLESS(writable_event.IsNotNull(), ResultInvalidHandle);

    return writable_event->Signal();
}

static Result SignalEvent32(Core::System& system, Handle event_handle) {
    return SignalEvent(system, event_handle);
}

static Result ClearEvent(Core::System& system, Handle event_handle) {
    LOG_TRACE(Kernel_SVC, "called, event_handle=0x{:08X}", event_handle);

    // Get the current handle table.
    const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();

    // Try to clear the writable event.
    {
        KScopedAutoObject writable_event = handle_table.GetObject<KWritableEvent>(event_handle);
        if (writable_event.IsNotNull()) {
            return writable_event->Clear();
        }
    }

    // Try to clear the readable event.
    {
        KScopedAutoObject readable_event = handle_table.GetObject<KReadableEvent>(event_handle);
        if (readable_event.IsNotNull()) {
            return readable_event->Clear();
        }
    }

    LOG_ERROR(Kernel_SVC, "Event handle does not exist, event_handle=0x{:08X}", event_handle);

    return ResultInvalidHandle;
}

static Result ClearEvent32(Core::System& system, Handle event_handle) {
    return ClearEvent(system, event_handle);
}

static Result CreateEvent(Core::System& system, Handle* out_write, Handle* out_read) {
    LOG_DEBUG(Kernel_SVC, "called");

    // Get the kernel reference and handle table.
    auto& kernel = system.Kernel();
    auto& handle_table = kernel.CurrentProcess()->GetHandleTable();

    // Reserve a new event from the process resource limit
    KScopedResourceReservation event_reservation(kernel.CurrentProcess(),
                                                 LimitableResource::Events);
    R_UNLESS(event_reservation.Succeeded(), ResultLimitReached);

    // Create a new event.
    KEvent* event = KEvent::Create(kernel);
    R_UNLESS(event != nullptr, ResultOutOfResource);

    // Initialize the event.
    event->Initialize("CreateEvent", kernel.CurrentProcess());

    // Commit the thread reservation.
    event_reservation.Commit();

    // Ensure that we clean up the event (and its only references are handle table) on function end.
    SCOPE_EXIT({
        event->GetWritableEvent().Close();
        event->GetReadableEvent().Close();
    });

    // Register the event.
    KEvent::Register(kernel, event);

    // Add the writable event to the handle table.
    R_TRY(handle_table.Add(out_write, std::addressof(event->GetWritableEvent())));

    // Add the writable event to the handle table.
    auto handle_guard = SCOPE_GUARD({ handle_table.Remove(*out_write); });

    // Add the readable event to the handle table.
    R_TRY(handle_table.Add(out_read, std::addressof(event->GetReadableEvent())));

    // We succeeded.
    handle_guard.Cancel();
    return ResultSuccess;
}

static Result CreateEvent32(Core::System& system, Handle* out_write, Handle* out_read) {
    return CreateEvent(system, out_write, out_read);
}

static Result GetProcessInfo(Core::System& system, u64* out, Handle process_handle, u32 type) {
    LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, type=0x{:X}", process_handle, type);

    // This function currently only allows retrieving a process' status.
    enum class InfoType {
        Status,
    };

    const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
    KScopedAutoObject process = handle_table.GetObject<KProcess>(process_handle);
    if (process.IsNull()) {
        LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}",
                  process_handle);
        return ResultInvalidHandle;
    }

    const auto info_type = static_cast<InfoType>(type);
    if (info_type != InfoType::Status) {
        LOG_ERROR(Kernel_SVC, "Expected info_type to be Status but got {} instead", type);
        return ResultInvalidEnumValue;
    }

    *out = static_cast<u64>(process->GetStatus());
    return ResultSuccess;
}

static Result CreateResourceLimit(Core::System& system, Handle* out_handle) {
    LOG_DEBUG(Kernel_SVC, "called");

    // Create a new resource limit.
    auto& kernel = system.Kernel();
    KResourceLimit* resource_limit = KResourceLimit::Create(kernel);
    R_UNLESS(resource_limit != nullptr, ResultOutOfResource);

    // Ensure we don't leak a reference to the limit.
    SCOPE_EXIT({ resource_limit->Close(); });

    // Initialize the resource limit.
    resource_limit->Initialize(&system.CoreTiming());

    // Register the limit.
    KResourceLimit::Register(kernel, resource_limit);

    // Add the limit to the handle table.
    R_TRY(kernel.CurrentProcess()->GetHandleTable().Add(out_handle, resource_limit));

    return ResultSuccess;
}

static Result GetResourceLimitLimitValue(Core::System& system, u64* out_limit_value,
                                         Handle resource_limit_handle, LimitableResource which) {
    LOG_DEBUG(Kernel_SVC, "called, resource_limit_handle={:08X}, which={}", resource_limit_handle,
              which);

    // Validate the resource.
    R_UNLESS(IsValidResourceType(which), ResultInvalidEnumValue);

    // Get the resource limit.
    auto& kernel = system.Kernel();
    KScopedAutoObject resource_limit =
        kernel.CurrentProcess()->GetHandleTable().GetObject<KResourceLimit>(resource_limit_handle);
    R_UNLESS(resource_limit.IsNotNull(), ResultInvalidHandle);

    // Get the limit value.
    *out_limit_value = resource_limit->GetLimitValue(which);

    return ResultSuccess;
}

static Result GetResourceLimitCurrentValue(Core::System& system, u64* out_current_value,
                                           Handle resource_limit_handle, LimitableResource which) {
    LOG_DEBUG(Kernel_SVC, "called, resource_limit_handle={:08X}, which={}", resource_limit_handle,
              which);

    // Validate the resource.
    R_UNLESS(IsValidResourceType(which), ResultInvalidEnumValue);

    // Get the resource limit.
    auto& kernel = system.Kernel();
    KScopedAutoObject resource_limit =
        kernel.CurrentProcess()->GetHandleTable().GetObject<KResourceLimit>(resource_limit_handle);
    R_UNLESS(resource_limit.IsNotNull(), ResultInvalidHandle);

    // Get the current value.
    *out_current_value = resource_limit->GetCurrentValue(which);

    return ResultSuccess;
}

static Result SetResourceLimitLimitValue(Core::System& system, Handle resource_limit_handle,
                                         LimitableResource which, u64 limit_value) {
    LOG_DEBUG(Kernel_SVC, "called, resource_limit_handle={:08X}, which={}, limit_value={}",
              resource_limit_handle, which, limit_value);

    // Validate the resource.
    R_UNLESS(IsValidResourceType(which), ResultInvalidEnumValue);

    // Get the resource limit.
    auto& kernel = system.Kernel();
    KScopedAutoObject resource_limit =
        kernel.CurrentProcess()->GetHandleTable().GetObject<KResourceLimit>(resource_limit_handle);
    R_UNLESS(resource_limit.IsNotNull(), ResultInvalidHandle);

    // Set the limit value.
    R_TRY(resource_limit->SetLimitValue(which, limit_value));

    return ResultSuccess;
}

static Result GetProcessList(Core::System& system, u32* out_num_processes, VAddr out_process_ids,
                             u32 out_process_ids_size) {
    LOG_DEBUG(Kernel_SVC, "called. out_process_ids=0x{:016X}, out_process_ids_size={}",
              out_process_ids, out_process_ids_size);

    // If the supplied size is negative or greater than INT32_MAX / sizeof(u64), bail.
    if ((out_process_ids_size & 0xF0000000) != 0) {
        LOG_ERROR(Kernel_SVC,
                  "Supplied size outside [0, 0x0FFFFFFF] range. out_process_ids_size={}",
                  out_process_ids_size);
        return ResultOutOfRange;
    }

    const auto& kernel = system.Kernel();
    const auto total_copy_size = out_process_ids_size * sizeof(u64);

    if (out_process_ids_size > 0 && !kernel.CurrentProcess()->PageTable().IsInsideAddressSpace(
                                        out_process_ids, total_copy_size)) {
        LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
                  out_process_ids, out_process_ids + total_copy_size);
        return ResultInvalidCurrentMemory;
    }

    auto& memory = system.Memory();
    const auto& process_list = kernel.GetProcessList();
    const auto num_processes = process_list.size();
    const auto copy_amount = std::min(std::size_t{out_process_ids_size}, num_processes);

    for (std::size_t i = 0; i < copy_amount; ++i) {
        memory.Write64(out_process_ids, process_list[i]->GetProcessID());
        out_process_ids += sizeof(u64);
    }

    *out_num_processes = static_cast<u32>(num_processes);
    return ResultSuccess;
}

static Result GetThreadList(Core::System& system, u32* out_num_threads, VAddr out_thread_ids,
                            u32 out_thread_ids_size, Handle debug_handle) {
    // TODO: Handle this case when debug events are supported.
    UNIMPLEMENTED_IF(debug_handle != InvalidHandle);

    LOG_DEBUG(Kernel_SVC, "called. out_thread_ids=0x{:016X}, out_thread_ids_size={}",
              out_thread_ids, out_thread_ids_size);

    // If the size is negative or larger than INT32_MAX / sizeof(u64)
    if ((out_thread_ids_size & 0xF0000000) != 0) {
        LOG_ERROR(Kernel_SVC, "Supplied size outside [0, 0x0FFFFFFF] range. size={}",
                  out_thread_ids_size);
        return ResultOutOfRange;
    }

    auto* const current_process = system.Kernel().CurrentProcess();
    const auto total_copy_size = out_thread_ids_size * sizeof(u64);

    if (out_thread_ids_size > 0 &&
        !current_process->PageTable().IsInsideAddressSpace(out_thread_ids, total_copy_size)) {
        LOG_ERROR(Kernel_SVC, "Address range outside address space. begin=0x{:016X}, end=0x{:016X}",
                  out_thread_ids, out_thread_ids + total_copy_size);
        return ResultInvalidCurrentMemory;
    }

    auto& memory = system.Memory();
    const auto& thread_list = current_process->GetThreadList();
    const auto num_threads = thread_list.size();
    const auto copy_amount = std::min(std::size_t{out_thread_ids_size}, num_threads);

    auto list_iter = thread_list.cbegin();
    for (std::size_t i = 0; i < copy_amount; ++i, ++list_iter) {
        memory.Write64(out_thread_ids, (*list_iter)->GetThreadID());
        out_thread_ids += sizeof(u64);
    }

    *out_num_threads = static_cast<u32>(num_threads);
    return ResultSuccess;
}

static Result FlushProcessDataCache32([[maybe_unused]] Core::System& system,
                                      [[maybe_unused]] Handle handle, [[maybe_unused]] u32 address,
                                      [[maybe_unused]] u32 size) {
    // Note(Blinkhawk): For emulation purposes of the data cache this is mostly a no-op,
    // as all emulation is done in the same cache level in host architecture, thus data cache
    // does not need flushing.
    LOG_DEBUG(Kernel_SVC, "called");
    return ResultSuccess;
}

namespace {
struct FunctionDef {
    using Func = void(Core::System&);

    u32 id;
    Func* func;
    const char* name;
};
} // namespace

static const FunctionDef SVC_Table_32[] = {
    {0x00, nullptr, "Unknown0"},
    {0x01, SvcWrap32<SetHeapSize32>, "SetHeapSize32"},
    {0x02, nullptr, "SetMemoryPermission32"},
    {0x03, SvcWrap32<SetMemoryAttribute32>, "SetMemoryAttribute32"},
    {0x04, SvcWrap32<MapMemory32>, "MapMemory32"},
    {0x05, SvcWrap32<UnmapMemory32>, "UnmapMemory32"},
    {0x06, SvcWrap32<QueryMemory32>, "QueryMemory32"},
    {0x07, SvcWrap32<ExitProcess32>, "ExitProcess32"},
    {0x08, SvcWrap32<CreateThread32>, "CreateThread32"},
    {0x09, SvcWrap32<StartThread32>, "StartThread32"},
    {0x0a, SvcWrap32<ExitThread32>, "ExitThread32"},
    {0x0b, SvcWrap32<SleepThread32>, "SleepThread32"},
    {0x0c, SvcWrap32<GetThreadPriority32>, "GetThreadPriority32"},
    {0x0d, SvcWrap32<SetThreadPriority32>, "SetThreadPriority32"},
    {0x0e, SvcWrap32<GetThreadCoreMask32>, "GetThreadCoreMask32"},
    {0x0f, SvcWrap32<SetThreadCoreMask32>, "SetThreadCoreMask32"},
    {0x10, SvcWrap32<GetCurrentProcessorNumber32>, "GetCurrentProcessorNumber32"},
    {0x11, SvcWrap32<SignalEvent32>, "SignalEvent32"},
    {0x12, SvcWrap32<ClearEvent32>, "ClearEvent32"},
    {0x13, SvcWrap32<MapSharedMemory32>, "MapSharedMemory32"},
    {0x14, SvcWrap32<UnmapSharedMemory32>, "UnmapSharedMemory32"},
    {0x15, SvcWrap32<CreateTransferMemory32>, "CreateTransferMemory32"},
    {0x16, SvcWrap32<CloseHandle32>, "CloseHandle32"},
    {0x17, SvcWrap32<ResetSignal32>, "ResetSignal32"},
    {0x18, SvcWrap32<WaitSynchronization32>, "WaitSynchronization32"},
    {0x19, SvcWrap32<CancelSynchronization32>, "CancelSynchronization32"},
    {0x1a, SvcWrap32<ArbitrateLock32>, "ArbitrateLock32"},
    {0x1b, SvcWrap32<ArbitrateUnlock32>, "ArbitrateUnlock32"},
    {0x1c, SvcWrap32<WaitProcessWideKeyAtomic32>, "WaitProcessWideKeyAtomic32"},
    {0x1d, SvcWrap32<SignalProcessWideKey32>, "SignalProcessWideKey32"},
    {0x1e, SvcWrap32<GetSystemTick32>, "GetSystemTick32"},
    {0x1f, SvcWrap32<ConnectToNamedPort32>, "ConnectToNamedPort32"},
    {0x20, nullptr, "SendSyncRequestLight32"},
    {0x21, SvcWrap32<SendSyncRequest32>, "SendSyncRequest32"},
    {0x22, nullptr, "SendSyncRequestWithUserBuffer32"},
    {0x23, nullptr, "SendAsyncRequestWithUserBuffer32"},
    {0x24, SvcWrap32<GetProcessId32>, "GetProcessId32"},
    {0x25, SvcWrap32<GetThreadId32>, "GetThreadId32"},
    {0x26, SvcWrap32<Break32>, "Break32"},
    {0x27, SvcWrap32<OutputDebugString32>, "OutputDebugString32"},
    {0x28, nullptr, "ReturnFromException32"},
    {0x29, SvcWrap32<GetInfo32>, "GetInfo32"},
    {0x2a, nullptr, "FlushEntireDataCache32"},
    {0x2b, nullptr, "FlushDataCache32"},
    {0x2c, SvcWrap32<MapPhysicalMemory32>, "MapPhysicalMemory32"},
    {0x2d, SvcWrap32<UnmapPhysicalMemory32>, "UnmapPhysicalMemory32"},
    {0x2e, nullptr, "GetDebugFutureThreadInfo32"},
    {0x2f, nullptr, "GetLastThreadInfo32"},
    {0x30, nullptr, "GetResourceLimitLimitValue32"},
    {0x31, nullptr, "GetResourceLimitCurrentValue32"},
    {0x32, SvcWrap32<SetThreadActivity32>, "SetThreadActivity32"},
    {0x33, SvcWrap32<GetThreadContext32>, "GetThreadContext32"},
    {0x34, SvcWrap32<WaitForAddress32>, "WaitForAddress32"},
    {0x35, SvcWrap32<SignalToAddress32>, "SignalToAddress32"},
    {0x36, SvcWrap32<SynchronizePreemptionState>, "SynchronizePreemptionState32"},
    {0x37, nullptr, "GetResourceLimitPeakValue32"},
    {0x38, nullptr, "Unknown38"},
    {0x39, nullptr, "CreateIoPool32"},
    {0x3a, nullptr, "CreateIoRegion32"},
    {0x3b, nullptr, "Unknown3b"},
    {0x3c, nullptr, "KernelDebug32"},
    {0x3d, nullptr, "ChangeKernelTraceState32"},
    {0x3e, nullptr, "Unknown3e"},
    {0x3f, nullptr, "Unknown3f"},
    {0x40, nullptr, "CreateSession32"},
    {0x41, nullptr, "AcceptSession32"},
    {0x42, nullptr, "ReplyAndReceiveLight32"},
    {0x43, nullptr, "ReplyAndReceive32"},
    {0x44, nullptr, "ReplyAndReceiveWithUserBuffer32"},
    {0x45, SvcWrap32<CreateEvent32>, "CreateEvent32"},
    {0x46, nullptr, "MapIoRegion32"},
    {0x47, nullptr, "UnmapIoRegion32"},
    {0x48, nullptr, "MapPhysicalMemoryUnsafe32"},
    {0x49, nullptr, "UnmapPhysicalMemoryUnsafe32"},
    {0x4a, nullptr, "SetUnsafeLimit32"},
    {0x4b, SvcWrap32<CreateCodeMemory32>, "CreateCodeMemory32"},
    {0x4c, SvcWrap32<ControlCodeMemory32>, "ControlCodeMemory32"},
    {0x4d, nullptr, "SleepSystem32"},
    {0x4e, nullptr, "ReadWriteRegister32"},
    {0x4f, nullptr, "SetProcessActivity32"},
    {0x50, nullptr, "CreateSharedMemory32"},
    {0x51, nullptr, "MapTransferMemory32"},
    {0x52, nullptr, "UnmapTransferMemory32"},
    {0x53, nullptr, "CreateInterruptEvent32"},
    {0x54, nullptr, "QueryPhysicalAddress32"},
    {0x55, nullptr, "QueryIoMapping32"},
    {0x56, nullptr, "CreateDeviceAddressSpace32"},
    {0x57, nullptr, "AttachDeviceAddressSpace32"},
    {0x58, nullptr, "DetachDeviceAddressSpace32"},
    {0x59, nullptr, "MapDeviceAddressSpaceByForce32"},
    {0x5a, nullptr, "MapDeviceAddressSpaceAligned32"},
    {0x5b, nullptr, "MapDeviceAddressSpace32"},
    {0x5c, nullptr, "UnmapDeviceAddressSpace32"},
    {0x5d, nullptr, "InvalidateProcessDataCache32"},
    {0x5e, nullptr, "StoreProcessDataCache32"},
    {0x5F, SvcWrap32<FlushProcessDataCache32>, "FlushProcessDataCache32"},
    {0x60, nullptr, "StoreProcessDataCache32"},
    {0x61, nullptr, "BreakDebugProcess32"},
    {0x62, nullptr, "TerminateDebugProcess32"},
    {0x63, nullptr, "GetDebugEvent32"},
    {0x64, nullptr, "ContinueDebugEvent32"},
    {0x65, nullptr, "GetProcessList32"},
    {0x66, nullptr, "GetThreadList"},
    {0x67, nullptr, "GetDebugThreadContext32"},
    {0x68, nullptr, "SetDebugThreadContext32"},
    {0x69, nullptr, "QueryDebugProcessMemory32"},
    {0x6A, nullptr, "ReadDebugProcessMemory32"},
    {0x6B, nullptr, "WriteDebugProcessMemory32"},
    {0x6C, nullptr, "SetHardwareBreakPoint32"},
    {0x6D, nullptr, "GetDebugThreadParam32"},
    {0x6E, nullptr, "Unknown6E"},
    {0x6f, nullptr, "GetSystemInfo32"},
    {0x70, nullptr, "CreatePort32"},
    {0x71, nullptr, "ManageNamedPort32"},
    {0x72, nullptr, "ConnectToPort32"},
    {0x73, nullptr, "SetProcessMemoryPermission32"},
    {0x74, nullptr, "MapProcessMemory32"},
    {0x75, nullptr, "UnmapProcessMemory32"},
    {0x76, nullptr, "QueryProcessMemory32"},
    {0x77, nullptr, "MapProcessCodeMemory32"},
    {0x78, nullptr, "UnmapProcessCodeMemory32"},
    {0x79, nullptr, "CreateProcess32"},
    {0x7A, nullptr, "StartProcess32"},
    {0x7B, nullptr, "TerminateProcess32"},
    {0x7C, nullptr, "GetProcessInfo32"},
    {0x7D, nullptr, "CreateResourceLimit32"},
    {0x7E, nullptr, "SetResourceLimitLimitValue32"},
    {0x7F, nullptr, "CallSecureMonitor32"},
    {0x80, nullptr, "Unknown"},
    {0x81, nullptr, "Unknown"},
    {0x82, nullptr, "Unknown"},
    {0x83, nullptr, "Unknown"},
    {0x84, nullptr, "Unknown"},
    {0x85, nullptr, "Unknown"},
    {0x86, nullptr, "Unknown"},
    {0x87, nullptr, "Unknown"},
    {0x88, nullptr, "Unknown"},
    {0x89, nullptr, "Unknown"},
    {0x8A, nullptr, "Unknown"},
    {0x8B, nullptr, "Unknown"},
    {0x8C, nullptr, "Unknown"},
    {0x8D, nullptr, "Unknown"},
    {0x8E, nullptr, "Unknown"},
    {0x8F, nullptr, "Unknown"},
    {0x90, nullptr, "Unknown"},
    {0x91, nullptr, "Unknown"},
    {0x92, nullptr, "Unknown"},
    {0x93, nullptr, "Unknown"},
    {0x94, nullptr, "Unknown"},
    {0x95, nullptr, "Unknown"},
    {0x96, nullptr, "Unknown"},
    {0x97, nullptr, "Unknown"},
    {0x98, nullptr, "Unknown"},
    {0x99, nullptr, "Unknown"},
    {0x9A, nullptr, "Unknown"},
    {0x9B, nullptr, "Unknown"},
    {0x9C, nullptr, "Unknown"},
    {0x9D, nullptr, "Unknown"},
    {0x9E, nullptr, "Unknown"},
    {0x9F, nullptr, "Unknown"},
    {0xA0, nullptr, "Unknown"},
    {0xA1, nullptr, "Unknown"},
    {0xA2, nullptr, "Unknown"},
    {0xA3, nullptr, "Unknown"},
    {0xA4, nullptr, "Unknown"},
    {0xA5, nullptr, "Unknown"},
    {0xA6, nullptr, "Unknown"},
    {0xA7, nullptr, "Unknown"},
    {0xA8, nullptr, "Unknown"},
    {0xA9, nullptr, "Unknown"},
    {0xAA, nullptr, "Unknown"},
    {0xAB, nullptr, "Unknown"},
    {0xAC, nullptr, "Unknown"},
    {0xAD, nullptr, "Unknown"},
    {0xAE, nullptr, "Unknown"},
    {0xAF, nullptr, "Unknown"},
    {0xB0, nullptr, "Unknown"},
    {0xB1, nullptr, "Unknown"},
    {0xB2, nullptr, "Unknown"},
    {0xB3, nullptr, "Unknown"},
    {0xB4, nullptr, "Unknown"},
    {0xB5, nullptr, "Unknown"},
    {0xB6, nullptr, "Unknown"},
    {0xB7, nullptr, "Unknown"},
    {0xB8, nullptr, "Unknown"},
    {0xB9, nullptr, "Unknown"},
    {0xBA, nullptr, "Unknown"},
    {0xBB, nullptr, "Unknown"},
    {0xBC, nullptr, "Unknown"},
    {0xBD, nullptr, "Unknown"},
    {0xBE, nullptr, "Unknown"},
    {0xBF, nullptr, "Unknown"},
};

static const FunctionDef SVC_Table_64[] = {
    {0x00, nullptr, "Unknown0"},
    {0x01, SvcWrap64<SetHeapSize>, "SetHeapSize"},
    {0x02, SvcWrap64<SetMemoryPermission>, "SetMemoryPermission"},
    {0x03, SvcWrap64<SetMemoryAttribute>, "SetMemoryAttribute"},
    {0x04, SvcWrap64<MapMemory>, "MapMemory"},
    {0x05, SvcWrap64<UnmapMemory>, "UnmapMemory"},
    {0x06, SvcWrap64<QueryMemory>, "QueryMemory"},
    {0x07, SvcWrap64<ExitProcess>, "ExitProcess"},
    {0x08, SvcWrap64<CreateThread>, "CreateThread"},
    {0x09, SvcWrap64<StartThread>, "StartThread"},
    {0x0A, SvcWrap64<ExitThread>, "ExitThread"},
    {0x0B, SvcWrap64<SleepThread>, "SleepThread"},
    {0x0C, SvcWrap64<GetThreadPriority>, "GetThreadPriority"},
    {0x0D, SvcWrap64<SetThreadPriority>, "SetThreadPriority"},
    {0x0E, SvcWrap64<GetThreadCoreMask>, "GetThreadCoreMask"},
    {0x0F, SvcWrap64<SetThreadCoreMask>, "SetThreadCoreMask"},
    {0x10, SvcWrap64<GetCurrentProcessorNumber>, "GetCurrentProcessorNumber"},
    {0x11, SvcWrap64<SignalEvent>, "SignalEvent"},
    {0x12, SvcWrap64<ClearEvent>, "ClearEvent"},
    {0x13, SvcWrap64<MapSharedMemory>, "MapSharedMemory"},
    {0x14, SvcWrap64<UnmapSharedMemory>, "UnmapSharedMemory"},
    {0x15, SvcWrap64<CreateTransferMemory>, "CreateTransferMemory"},
    {0x16, SvcWrap64<CloseHandle>, "CloseHandle"},
    {0x17, SvcWrap64<ResetSignal>, "ResetSignal"},
    {0x18, SvcWrap64<WaitSynchronization>, "WaitSynchronization"},
    {0x19, SvcWrap64<CancelSynchronization>, "CancelSynchronization"},
    {0x1A, SvcWrap64<ArbitrateLock>, "ArbitrateLock"},
    {0x1B, SvcWrap64<ArbitrateUnlock>, "ArbitrateUnlock"},
    {0x1C, SvcWrap64<WaitProcessWideKeyAtomic>, "WaitProcessWideKeyAtomic"},
    {0x1D, SvcWrap64<SignalProcessWideKey>, "SignalProcessWideKey"},
    {0x1E, SvcWrap64<GetSystemTick>, "GetSystemTick"},
    {0x1F, SvcWrap64<ConnectToNamedPort>, "ConnectToNamedPort"},
    {0x20, nullptr, "SendSyncRequestLight"},
    {0x21, SvcWrap64<SendSyncRequest>, "SendSyncRequest"},
    {0x22, nullptr, "SendSyncRequestWithUserBuffer"},
    {0x23, nullptr, "SendAsyncRequestWithUserBuffer"},
    {0x24, SvcWrap64<GetProcessId>, "GetProcessId"},
    {0x25, SvcWrap64<GetThreadId>, "GetThreadId"},
    {0x26, SvcWrap64<Break>, "Break"},
    {0x27, SvcWrap64<OutputDebugString>, "OutputDebugString"},
    {0x28, nullptr, "ReturnFromException"},
    {0x29, SvcWrap64<GetInfo>, "GetInfo"},
    {0x2A, nullptr, "FlushEntireDataCache"},
    {0x2B, nullptr, "FlushDataCache"},
    {0x2C, SvcWrap64<MapPhysicalMemory>, "MapPhysicalMemory"},
    {0x2D, SvcWrap64<UnmapPhysicalMemory>, "UnmapPhysicalMemory"},
    {0x2E, nullptr, "GetFutureThreadInfo"},
    {0x2F, nullptr, "GetLastThreadInfo"},
    {0x30, SvcWrap64<GetResourceLimitLimitValue>, "GetResourceLimitLimitValue"},
    {0x31, SvcWrap64<GetResourceLimitCurrentValue>, "GetResourceLimitCurrentValue"},
    {0x32, SvcWrap64<SetThreadActivity>, "SetThreadActivity"},
    {0x33, SvcWrap64<GetThreadContext>, "GetThreadContext"},
    {0x34, SvcWrap64<WaitForAddress>, "WaitForAddress"},
    {0x35, SvcWrap64<SignalToAddress>, "SignalToAddress"},
    {0x36, SvcWrap64<SynchronizePreemptionState>, "SynchronizePreemptionState"},
    {0x37, nullptr, "GetResourceLimitPeakValue"},
    {0x38, nullptr, "Unknown38"},
    {0x39, nullptr, "CreateIoPool"},
    {0x3A, nullptr, "CreateIoRegion"},
    {0x3B, nullptr, "Unknown3B"},
    {0x3C, SvcWrap64<KernelDebug>, "KernelDebug"},
    {0x3D, SvcWrap64<ChangeKernelTraceState>, "ChangeKernelTraceState"},
    {0x3E, nullptr, "Unknown3e"},
    {0x3F, nullptr, "Unknown3f"},
    {0x40, nullptr, "CreateSession"},
    {0x41, nullptr, "AcceptSession"},
    {0x42, nullptr, "ReplyAndReceiveLight"},
    {0x43, nullptr, "ReplyAndReceive"},
    {0x44, nullptr, "ReplyAndReceiveWithUserBuffer"},
    {0x45, SvcWrap64<CreateEvent>, "CreateEvent"},
    {0x46, nullptr, "MapIoRegion"},
    {0x47, nullptr, "UnmapIoRegion"},
    {0x48, nullptr, "MapPhysicalMemoryUnsafe"},
    {0x49, nullptr, "UnmapPhysicalMemoryUnsafe"},
    {0x4A, nullptr, "SetUnsafeLimit"},
    {0x4B, SvcWrap64<CreateCodeMemory>, "CreateCodeMemory"},
    {0x4C, SvcWrap64<ControlCodeMemory>, "ControlCodeMemory"},
    {0x4D, nullptr, "SleepSystem"},
    {0x4E, nullptr, "ReadWriteRegister"},
    {0x4F, nullptr, "SetProcessActivity"},
    {0x50, nullptr, "CreateSharedMemory"},
    {0x51, nullptr, "MapTransferMemory"},
    {0x52, nullptr, "UnmapTransferMemory"},
    {0x53, nullptr, "CreateInterruptEvent"},
    {0x54, nullptr, "QueryPhysicalAddress"},
    {0x55, nullptr, "QueryIoMapping"},
    {0x56, nullptr, "CreateDeviceAddressSpace"},
    {0x57, nullptr, "AttachDeviceAddressSpace"},
    {0x58, nullptr, "DetachDeviceAddressSpace"},
    {0x59, nullptr, "MapDeviceAddressSpaceByForce"},
    {0x5A, nullptr, "MapDeviceAddressSpaceAligned"},
    {0x5B, nullptr, "MapDeviceAddressSpace"},
    {0x5C, nullptr, "UnmapDeviceAddressSpace"},
    {0x5D, nullptr, "InvalidateProcessDataCache"},
    {0x5E, nullptr, "StoreProcessDataCache"},
    {0x5F, nullptr, "FlushProcessDataCache"},
    {0x60, nullptr, "DebugActiveProcess"},
    {0x61, nullptr, "BreakDebugProcess"},
    {0x62, nullptr, "TerminateDebugProcess"},
    {0x63, nullptr, "GetDebugEvent"},
    {0x64, nullptr, "ContinueDebugEvent"},
    {0x65, SvcWrap64<GetProcessList>, "GetProcessList"},
    {0x66, SvcWrap64<GetThreadList>, "GetThreadList"},
    {0x67, nullptr, "GetDebugThreadContext"},
    {0x68, nullptr, "SetDebugThreadContext"},
    {0x69, nullptr, "QueryDebugProcessMemory"},
    {0x6A, nullptr, "ReadDebugProcessMemory"},
    {0x6B, nullptr, "WriteDebugProcessMemory"},
    {0x6C, nullptr, "SetHardwareBreakPoint"},
    {0x6D, nullptr, "GetDebugThreadParam"},
    {0x6E, nullptr, "Unknown6E"},
    {0x6F, nullptr, "GetSystemInfo"},
    {0x70, nullptr, "CreatePort"},
    {0x71, nullptr, "ManageNamedPort"},
    {0x72, nullptr, "ConnectToPort"},
    {0x73, SvcWrap64<SetProcessMemoryPermission>, "SetProcessMemoryPermission"},
    {0x74, SvcWrap64<MapProcessMemory>, "MapProcessMemory"},
    {0x75, SvcWrap64<UnmapProcessMemory>, "UnmapProcessMemory"},
    {0x76, SvcWrap64<QueryProcessMemory>, "QueryProcessMemory"},
    {0x77, SvcWrap64<MapProcessCodeMemory>, "MapProcessCodeMemory"},
    {0x78, SvcWrap64<UnmapProcessCodeMemory>, "UnmapProcessCodeMemory"},
    {0x79, nullptr, "CreateProcess"},
    {0x7A, nullptr, "StartProcess"},
    {0x7B, nullptr, "TerminateProcess"},
    {0x7C, SvcWrap64<GetProcessInfo>, "GetProcessInfo"},
    {0x7D, SvcWrap64<CreateResourceLimit>, "CreateResourceLimit"},
    {0x7E, SvcWrap64<SetResourceLimitLimitValue>, "SetResourceLimitLimitValue"},
    {0x7F, nullptr, "CallSecureMonitor"},
    {0x80, nullptr, "Unknown"},
    {0x81, nullptr, "Unknown"},
    {0x82, nullptr, "Unknown"},
    {0x83, nullptr, "Unknown"},
    {0x84, nullptr, "Unknown"},
    {0x85, nullptr, "Unknown"},
    {0x86, nullptr, "Unknown"},
    {0x87, nullptr, "Unknown"},
    {0x88, nullptr, "Unknown"},
    {0x89, nullptr, "Unknown"},
    {0x8A, nullptr, "Unknown"},
    {0x8B, nullptr, "Unknown"},
    {0x8C, nullptr, "Unknown"},
    {0x8D, nullptr, "Unknown"},
    {0x8E, nullptr, "Unknown"},
    {0x8F, nullptr, "Unknown"},
    {0x90, nullptr, "Unknown"},
    {0x91, nullptr, "Unknown"},
    {0x92, nullptr, "Unknown"},
    {0x93, nullptr, "Unknown"},
    {0x94, nullptr, "Unknown"},
    {0x95, nullptr, "Unknown"},
    {0x96, nullptr, "Unknown"},
    {0x97, nullptr, "Unknown"},
    {0x98, nullptr, "Unknown"},
    {0x99, nullptr, "Unknown"},
    {0x9A, nullptr, "Unknown"},
    {0x9B, nullptr, "Unknown"},
    {0x9C, nullptr, "Unknown"},
    {0x9D, nullptr, "Unknown"},
    {0x9E, nullptr, "Unknown"},
    {0x9F, nullptr, "Unknown"},
    {0xA0, nullptr, "Unknown"},
    {0xA1, nullptr, "Unknown"},
    {0xA2, nullptr, "Unknown"},
    {0xA3, nullptr, "Unknown"},
    {0xA4, nullptr, "Unknown"},
    {0xA5, nullptr, "Unknown"},
    {0xA6, nullptr, "Unknown"},
    {0xA7, nullptr, "Unknown"},
    {0xA8, nullptr, "Unknown"},
    {0xA9, nullptr, "Unknown"},
    {0xAA, nullptr, "Unknown"},
    {0xAB, nullptr, "Unknown"},
    {0xAC, nullptr, "Unknown"},
    {0xAD, nullptr, "Unknown"},
    {0xAE, nullptr, "Unknown"},
    {0xAF, nullptr, "Unknown"},
    {0xB0, nullptr, "Unknown"},
    {0xB1, nullptr, "Unknown"},
    {0xB2, nullptr, "Unknown"},
    {0xB3, nullptr, "Unknown"},
    {0xB4, nullptr, "Unknown"},
    {0xB5, nullptr, "Unknown"},
    {0xB6, nullptr, "Unknown"},
    {0xB7, nullptr, "Unknown"},
    {0xB8, nullptr, "Unknown"},
    {0xB9, nullptr, "Unknown"},
    {0xBA, nullptr, "Unknown"},
    {0xBB, nullptr, "Unknown"},
    {0xBC, nullptr, "Unknown"},
    {0xBD, nullptr, "Unknown"},
    {0xBE, nullptr, "Unknown"},
    {0xBF, nullptr, "Unknown"},
};

static const FunctionDef* GetSVCInfo32(u32 func_num) {
    if (func_num >= std::size(SVC_Table_32)) {
        LOG_ERROR(Kernel_SVC, "Unknown svc=0x{:02X}", func_num);
        return nullptr;
    }
    return &SVC_Table_32[func_num];
}

static const FunctionDef* GetSVCInfo64(u32 func_num) {
    if (func_num >= std::size(SVC_Table_64)) {
        LOG_ERROR(Kernel_SVC, "Unknown svc=0x{:02X}", func_num);
        return nullptr;
    }
    return &SVC_Table_64[func_num];
}

void Call(Core::System& system, u32 immediate) {
    auto& kernel = system.Kernel();
    kernel.EnterSVCProfile();

    auto* thread = GetCurrentThreadPointer(kernel);
    thread->SetIsCallingSvc();

    const FunctionDef* info = system.CurrentProcess()->Is64BitProcess() ? GetSVCInfo64(immediate)
                                                                        : GetSVCInfo32(immediate);
    if (info) {
        if (info->func) {
            info->func(system);
        } else {
            LOG_CRITICAL(Kernel_SVC, "Unimplemented SVC function {}(..)", info->name);
        }
    } else {
        LOG_CRITICAL(Kernel_SVC, "Unknown SVC function 0x{:X}", immediate);
    }

    kernel.ExitSVCProfile();
}

} // namespace Kernel::Svc