kernel/process: move current process to kernel instance

Two functional change:
QueryProcessMemory uses the process passed from handle instead current_process
Thread::Stop() uses TLS from owner_process instead of current_process

src/core/core.cpp

@@ -126,7 +126,9 @@ System::ResultStatus System::Load(EmuWindow& emu_window, const std::string& file
         return init_result;
     }
 
-    const Loader::ResultStatus load_result{app_loader->Load(Kernel::g_current_process)};
+    Kernel::SharedPtr<Kernel::Process> process;
+    const Loader::ResultStatus load_result{app_loader->Load(process)};
+    kernel->SetCurrentProcess(process);
     if (Loader::ResultStatus::Success != load_result) {
         LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<u32>(load_result));
         System::Shutdown();
@@ -140,7 +142,7 @@ System::ResultStatus System::Load(EmuWindow& emu_window, const std::string& file
             return ResultStatus::ErrorLoader;
         }
     }
-    Memory::SetCurrentPageTable(&Kernel::g_current_process->vm_manager.page_table);
+    Memory::SetCurrentPageTable(&kernel->GetCurrentProcess()->vm_manager.page_table);
     status = ResultStatus::Success;
     m_emu_window = &emu_window;
     m_filepath = filepath;

src/core/core.h

@@ -251,8 +251,11 @@ private:
 
     std::unique_ptr<Service::FS::ArchiveManager> archive_manager;
 
+public: // HACK: this is temporary exposed for tests,
+        // due to WIP kernel refactor causing desync state in memory
     std::unique_ptr<Kernel::KernelSystem> kernel;
 
+private:
     static System s_instance;
 
     ResultStatus status = ResultStatus::Success;

src/core/file_sys/archive_savedata.cpp

@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <utility>
+#include "core/core.h"
 #include "core/file_sys/archive_savedata.h"
 #include "core/hle/kernel/process.h"
 
@@ -16,16 +17,19 @@ ArchiveFactory_SaveData::ArchiveFactory_SaveData(
     : sd_savedata_source(std::move(sd_savedata)) {}
 
 ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const Path& path) {
-    return sd_savedata_source->Open(Kernel::g_current_process->codeset->program_id);
+    return sd_savedata_source->Open(
+        Core::System::GetInstance().Kernel().GetCurrentProcess()->codeset->program_id);
 }
 
 ResultCode ArchiveFactory_SaveData::Format(const Path& path,
                                            const FileSys::ArchiveFormatInfo& format_info) {
-    return sd_savedata_source->Format(Kernel::g_current_process->codeset->program_id, format_info);
+    return sd_savedata_source->Format(
+        Core::System::GetInstance().Kernel().GetCurrentProcess()->codeset->program_id, format_info);
 }
 
 ResultVal<ArchiveFormatInfo> ArchiveFactory_SaveData::GetFormatInfo(const Path& path) const {
-    return sd_savedata_source->GetFormatInfo(Kernel::g_current_process->codeset->program_id);
+    return sd_savedata_source->GetFormatInfo(
+        Core::System::GetInstance().Kernel().GetCurrentProcess()->codeset->program_id);
 }
 
 } // namespace FileSys

src/core/file_sys/archive_selfncch.cpp

@@ -7,6 +7,7 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "common/swap.h"
+#include "core/core.h"
 #include "core/file_sys/archive_selfncch.h"
 #include "core/file_sys/errors.h"
 #include "core/file_sys/ivfc_archive.h"
@@ -279,7 +280,7 @@ void ArchiveFactory_SelfNCCH::Register(Loader::AppLoader& app_loader) {
 
 ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SelfNCCH::Open(const Path& path) {
     auto archive = std::make_unique<SelfNCCHArchive>(
-        ncch_data[Kernel::g_current_process->codeset->program_id]);
+        ncch_data[Core::System::GetInstance().Kernel().GetCurrentProcess()->codeset->program_id]);
     return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
 }
 

src/core/hle/kernel/handle_table.cpp

@@ -5,6 +5,7 @@
 #include <utility>
 #include "common/assert.h"
 #include "common/logging/log.h"
+#include "core/core.h" // TODO: for current_process. Remove this later
 #include "core/hle/kernel/errors.h"
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/process.h"
@@ -76,7 +77,9 @@ SharedPtr<Object> HandleTable::GetGeneric(Handle handle) const {
     if (handle == CurrentThread) {
         return GetCurrentThread();
     } else if (handle == CurrentProcess) {
-        return g_current_process;
+        // TODO: should this return HandleTable's parent process, or kernel's current process?
+        // Should change this either way
+        return Core::System::GetInstance().Kernel().GetCurrentProcess();
     }
 
     if (!IsValid(handle)) {

src/core/hle/kernel/kernel.cpp

@@ -30,7 +30,6 @@ KernelSystem::~KernelSystem() {
     g_handle_table.Clear(); // Free all kernel objects
 
     Kernel::ThreadingShutdown();
-    g_current_process = nullptr;
 
     Kernel::TimersShutdown();
     Kernel::MemoryShutdown();
@@ -48,4 +47,12 @@ u32 KernelSystem::GenerateObjectID() {
     return next_object_id++;
 }
 
+SharedPtr<Process> KernelSystem::GetCurrentProcess() const {
+    return current_process;
+}
+
+void KernelSystem::SetCurrentProcess(SharedPtr<Process> process) {
+    current_process = std::move(process);
+}
+
 } // namespace Kernel

src/core/hle/kernel/kernel.h

@@ -184,6 +184,9 @@ public:
     /// Retrieves a process from the current list of processes.
     SharedPtr<Process> GetProcessById(u32 process_id) const;
 
+    SharedPtr<Process> GetCurrentProcess() const;
+    void SetCurrentProcess(SharedPtr<Process> process);
+
 private:
     std::unique_ptr<ResourceLimitList> resource_limits;
     std::atomic<u32> next_object_id{0};
@@ -194,6 +197,8 @@ private:
 
     // Lists all processes that exist in the current session.
     std::vector<SharedPtr<Process>> process_list;
+
+    SharedPtr<Process> current_process;
 };
 
 } // namespace Kernel

src/core/hle/kernel/process.cpp

@@ -313,6 +313,4 @@ SharedPtr<Process> KernelSystem::GetProcessById(u32 process_id) const {
 
     return *itr;
 }
-
-SharedPtr<Process> g_current_process;
 } // namespace Kernel

src/core/hle/kernel/process.h

@@ -197,6 +197,4 @@ private:
     friend class KernelSystem;
     KernelSystem& kernel;
 };
-
-extern SharedPtr<Process> g_current_process;
 } // namespace Kernel

src/core/hle/kernel/shared_memory.cpp

@@ -52,8 +52,8 @@ SharedPtr<SharedMemory> KernelSystem::CreateSharedMemory(SharedPtr<Process> owne
         }
 
         // Refresh the address mappings for the current process.
-        if (Kernel::g_current_process != nullptr) {
-            Kernel::g_current_process->vm_manager.RefreshMemoryBlockMappings(linheap_memory.get());
+        if (current_process != nullptr) {
+            current_process->vm_manager.RefreshMemoryBlockMappings(linheap_memory.get());
         }
     } else {
         auto& vm_manager = shared_memory->owner_process->vm_manager;

src/core/hle/kernel/svc.cpp

@@ -83,7 +83,7 @@ static ResultCode ControlMemory(u32* out_addr, u32 operation, u32 addr0, u32 add
     }
     VMAPermission vma_permissions = (VMAPermission)permissions;
 
-    auto& process = *g_current_process;
+    auto& process = *Core::System::GetInstance().Kernel().GetCurrentProcess();
 
     switch (operation & MEMOP_OPERATION_MASK) {
     case MEMOP_FREE: {
@@ -145,16 +145,17 @@ static ResultCode ControlMemory(u32* out_addr, u32 operation, u32 addr0, u32 add
 }
 
 static void ExitProcess() {
-    LOG_INFO(Kernel_SVC, "Process {} exiting", g_current_process->process_id);
+    SharedPtr<Process> current_process = Core::System::GetInstance().Kernel().GetCurrentProcess();
+    LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->process_id);
 
-    ASSERT_MSG(g_current_process->status == ProcessStatus::Running, "Process has already exited");
+    ASSERT_MSG(current_process->status == ProcessStatus::Running, "Process has already exited");
 
-    g_current_process->status = ProcessStatus::Exited;
+    current_process->status = ProcessStatus::Exited;
 
     // Stop all the process threads that are currently waiting for objects.
     auto& thread_list = GetThreadList();
     for (auto& thread : thread_list) {
-        if (thread->owner_process != g_current_process)
+        if (thread->owner_process != current_process)
             continue;
 
         if (thread == GetCurrentThread())
@@ -195,7 +196,8 @@ static ResultCode MapMemoryBlock(Handle handle, u32 addr, u32 permissions, u32 o
     case MemoryPermission::WriteExecute:
     case MemoryPermission::ReadWriteExecute:
     case MemoryPermission::DontCare:
-        return shared_memory->Map(g_current_process.get(), addr, permissions_type,
+        return shared_memory->Map(Core::System::GetInstance().Kernel().GetCurrentProcess().get(),
+                                  addr, permissions_type,
                                   static_cast<MemoryPermission>(other_permissions));
     default:
         LOG_ERROR(Kernel_SVC, "unknown permissions=0x{:08X}", permissions);
@@ -213,7 +215,8 @@ static ResultCode UnmapMemoryBlock(Handle handle, u32 addr) {
     if (shared_memory == nullptr)
         return ERR_INVALID_HANDLE;
 
-    return shared_memory->Unmap(g_current_process.get(), addr);
+    return shared_memory->Unmap(Core::System::GetInstance().Kernel().GetCurrentProcess().get(),
+                                addr);
 }
 
 /// Connect to an OS service given the port name, returns the handle to the port to out
@@ -733,14 +736,16 @@ static ResultCode CreateThread(Handle* out_handle, u32 priority, u32 entry_point
         return ERR_OUT_OF_RANGE;
     }
 
-    SharedPtr<ResourceLimit>& resource_limit = g_current_process->resource_limit;
+    SharedPtr<Process> current_process = Core::System::GetInstance().Kernel().GetCurrentProcess();
+
+    SharedPtr<ResourceLimit>& resource_limit = current_process->resource_limit;
     if (resource_limit->GetMaxResourceValue(ResourceTypes::PRIORITY) > priority) {
         return ERR_NOT_AUTHORIZED;
     }
 
     if (processor_id == ThreadProcessorIdDefault) {
         // Set the target CPU to the one specified in the process' exheader.
-        processor_id = g_current_process->ideal_processor;
+        processor_id = current_process->ideal_processor;
         ASSERT(processor_id != ThreadProcessorIdDefault);
     }
 
@@ -761,9 +766,9 @@ static ResultCode CreateThread(Handle* out_handle, u32 priority, u32 entry_point
         break;
     }
 
-    CASCADE_RESULT(SharedPtr<Thread> thread, Core::System::GetInstance().Kernel().CreateThread(
-                                                 name, entry_point, priority, arg, processor_id,
-                                                 stack_top, g_current_process));
+    CASCADE_RESULT(SharedPtr<Thread> thread,
+                   Core::System::GetInstance().Kernel().CreateThread(
+                       name, entry_point, priority, arg, processor_id, stack_top, current_process));
 
     thread->context->SetFpscr(FPSCR_DEFAULT_NAN | FPSCR_FLUSH_TO_ZERO |
                               FPSCR_ROUND_TOZERO); // 0x03C00000
@@ -810,7 +815,8 @@ static ResultCode SetThreadPriority(Handle handle, u32 priority) {
 
     // Note: The kernel uses the current process's resource limit instead of
     // the one from the thread owner's resource limit.
-    SharedPtr<ResourceLimit>& resource_limit = g_current_process->resource_limit;
+    SharedPtr<ResourceLimit>& resource_limit =
+        Core::System::GetInstance().Kernel().GetCurrentProcess()->resource_limit;
     if (resource_limit->GetMaxResourceValue(ResourceTypes::PRIORITY) > priority) {
         return ERR_NOT_AUTHORIZED;
     }
@@ -1097,16 +1103,18 @@ static ResultCode CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32
         return ERR_INVALID_ADDRESS;
     }
 
+    SharedPtr<Process> current_process = Core::System::GetInstance().Kernel().GetCurrentProcess();
+
     // When trying to create a memory block with address = 0,
     // if the process has the Shared Device Memory flag in the exheader,
     // then we have to allocate from the same region as the caller process instead of the BASE
     // region.
     MemoryRegion region = MemoryRegion::BASE;
-    if (addr == 0 && g_current_process->flags.shared_device_mem)
-        region = g_current_process->flags.memory_region;
+    if (addr == 0 && current_process->flags.shared_device_mem)
+        region = current_process->flags.memory_region;
 
     shared_memory = Core::System::GetInstance().Kernel().CreateSharedMemory(
-        g_current_process, size, static_cast<MemoryPermission>(my_permission),
+        current_process, size, static_cast<MemoryPermission>(my_permission),
         static_cast<MemoryPermission>(other_permission), addr, region);
     CASCADE_RESULT(*out_handle, g_handle_table.Create(std::move(shared_memory)));
 
@@ -1407,8 +1415,9 @@ void CallSVC(u32 immediate) {
     // Lock the global kernel mutex when we enter the kernel HLE.
     std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
 
-    ASSERT_MSG(g_current_process->status == ProcessStatus::Running,
-               "Running threads from exiting processes is unimplemented");
+    DEBUG_ASSERT_MSG(Core::System::GetInstance().Kernel().GetCurrentProcess()->status ==
+                         ProcessStatus::Running,
+                     "Running threads from exiting processes is unimplemented");
 
     const FunctionDef* info = GetSVCInfo(immediate);
     if (info) {

src/core/hle/kernel/thread.cpp

@@ -96,7 +96,7 @@ void Thread::Stop() {
     u32 tls_page = (tls_address - Memory::TLS_AREA_VADDR) / Memory::PAGE_SIZE;
     u32 tls_slot =
         ((tls_address - Memory::TLS_AREA_VADDR) % Memory::PAGE_SIZE) / Memory::TLS_ENTRY_SIZE;
-    Kernel::g_current_process->tls_slots[tls_page].reset(tls_slot);
+    owner_process->tls_slots[tls_page].reset(tls_slot);
 }
 
 /**
@@ -127,7 +127,7 @@ static void SwitchContext(Thread* new_thread) {
         // Cancel any outstanding wakeup events for this thread
         CoreTiming::UnscheduleEvent(ThreadWakeupEventType, new_thread->callback_handle);
 
-        auto previous_process = Kernel::g_current_process;
+        auto previous_process = Core::System::GetInstance().Kernel().GetCurrentProcess();
 
         current_thread = new_thread;
 
@@ -135,8 +135,8 @@ static void SwitchContext(Thread* new_thread) {
         new_thread->status = ThreadStatus::Running;
 
         if (previous_process != current_thread->owner_process) {
-            Kernel::g_current_process = current_thread->owner_process;
-            SetCurrentPageTable(&Kernel::g_current_process->vm_manager.page_table);
+            Core::System::GetInstance().Kernel().SetCurrentProcess(current_thread->owner_process);
+            SetCurrentPageTable(&current_thread->owner_process->vm_manager.page_table);
         }
 
         Core::CPU().LoadContext(new_thread->context);

src/core/hle/service/apt/applet_manager.cpp

@@ -258,7 +258,7 @@ ResultVal<AppletManager::InitializeResult> AppletManager::Initialize(AppletId ap
     slot_data->applet_id = static_cast<AppletId>(app_id);
     // Note: In the real console the title id of a given applet slot is set by the APT module when
     // calling StartApplication.
-    slot_data->title_id = Kernel::g_current_process->codeset->program_id;
+    slot_data->title_id = system.Kernel().GetCurrentProcess()->codeset->program_id;
     slot_data->attributes.raw = attributes.raw;
 
     if (slot_data->applet_id == AppletId::Application ||

src/core/hle/service/cecd/cecd.cpp

@@ -97,7 +97,7 @@ void Module::Interface::Open(Kernel::HLERequestContext& ctx) {
 
         if (path_type == CecDataPathType::MboxProgramId) {
             std::vector<u8> program_id(8);
-            u64_le le_program_id = Kernel::g_current_process->codeset->program_id;
+            u64_le le_program_id = cecd->system.Kernel().GetCurrentProcess()->codeset->program_id;
             std::memcpy(program_id.data(), &le_program_id, sizeof(u64));
             session_data->file->Write(0, sizeof(u64), true, program_id.data());
             session_data->file->Close();
@@ -1351,7 +1351,7 @@ Module::SessionData::~SessionData() {
 Module::Interface::Interface(std::shared_ptr<Module> cecd, const char* name, u32 max_session)
     : ServiceFramework(name, max_session), cecd(std::move(cecd)) {}
 
-Module::Module(Core::System& system) {
+Module::Module(Core::System& system) : system(system) {
     using namespace Kernel;
     cecinfo_event = system.Kernel().CreateEvent(Kernel::ResetType::OneShot, "CECD::cecinfo_event");
     change_state_event =

src/core/hle/service/cecd/cecd.h

@@ -610,6 +610,8 @@ private:
 
     Kernel::SharedPtr<Kernel::Event> cecinfo_event;
     Kernel::SharedPtr<Kernel::Event> change_state_event;
+
+    Core::System& system;
 };
 
 /// Initialize CECD service(s)

src/core/hle/service/service.cpp

@@ -188,11 +188,13 @@ void ServiceFrameworkBase::HandleSyncRequest(SharedPtr<ServerSession> server_ses
         return ReportUnimplementedFunction(cmd_buf, info);
     }
 
+    Kernel::SharedPtr<Kernel::Process> current_process =
+        Core::System::GetInstance().Kernel().GetCurrentProcess();
+
     // TODO(yuriks): The kernel should be the one handling this as part of translation after
     // everything else is migrated
     Kernel::HLERequestContext context(std::move(server_session));
-    context.PopulateFromIncomingCommandBuffer(cmd_buf, *Kernel::g_current_process,
-                                              Kernel::g_handle_table);
+    context.PopulateFromIncomingCommandBuffer(cmd_buf, *current_process, Kernel::g_handle_table);
 
     LOG_TRACE(Service, "{}", MakeFunctionString(info->name, GetServiceName().c_str(), cmd_buf));
     handler_invoker(this, info->handler_callback, context);
@@ -204,8 +206,7 @@ void ServiceFrameworkBase::HandleSyncRequest(SharedPtr<ServerSession> server_ses
     // the thread to sleep then the writing of the command buffer will be deferred to the wakeup
     // callback.
     if (thread->status == Kernel::ThreadStatus::Running) {
-        context.WriteToOutgoingCommandBuffer(cmd_buf, *Kernel::g_current_process,
-                                             Kernel::g_handle_table);
+        context.WriteToOutgoingCommandBuffer(cmd_buf, *current_process, Kernel::g_handle_table);
     }
 }
 

src/core/memory.cpp

@@ -111,7 +111,7 @@ static u8* GetPointerFromVMA(const Kernel::Process& process, VAddr vaddr) {
  * using a VMA from the current process.
  */
 static u8* GetPointerFromVMA(VAddr vaddr) {
-    return GetPointerFromVMA(*Kernel::g_current_process, vaddr);
+    return GetPointerFromVMA(*Core::System::GetInstance().Kernel().GetCurrentProcess(), vaddr);
 }
 
 /**
@@ -128,7 +128,8 @@ static MMIORegionPointer GetMMIOHandler(const PageTable& page_table, VAddr vaddr
 }
 
 static MMIORegionPointer GetMMIOHandler(VAddr vaddr) {
-    const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
+    const PageTable& page_table =
+        Core::System::GetInstance().Kernel().GetCurrentProcess()->vm_manager.page_table;
     return GetMMIOHandler(page_table, vaddr);
 }
 
@@ -229,7 +230,7 @@ bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
 }
 
 bool IsValidVirtualAddress(const VAddr vaddr) {
-    return IsValidVirtualAddress(*Kernel::g_current_process, vaddr);
+    return IsValidVirtualAddress(*Core::System::GetInstance().Kernel().GetCurrentProcess(), vaddr);
 }
 
 bool IsValidPhysicalAddress(const PAddr paddr) {
@@ -524,7 +525,8 @@ void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_
 }
 
 void ReadBlock(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
-    ReadBlock(*Kernel::g_current_process, src_addr, dest_buffer, size);
+    ReadBlock(*Core::System::GetInstance().Kernel().GetCurrentProcess(), src_addr, dest_buffer,
+              size);
 }
 
 void Write8(const VAddr addr, const u8 data) {
@@ -592,7 +594,8 @@ void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const voi
 }
 
 void WriteBlock(const VAddr dest_addr, const void* src_buffer, const std::size_t size) {
-    WriteBlock(*Kernel::g_current_process, dest_addr, src_buffer, size);
+    WriteBlock(*Core::System::GetInstance().Kernel().GetCurrentProcess(), dest_addr, src_buffer,
+               size);
 }
 
 void ZeroBlock(const Kernel::Process& process, const VAddr dest_addr, const std::size_t size) {
@@ -644,7 +647,7 @@ void ZeroBlock(const Kernel::Process& process, const VAddr dest_addr, const std:
 }
 
 void ZeroBlock(const VAddr dest_addr, const std::size_t size) {
-    ZeroBlock(*Kernel::g_current_process, dest_addr, size);
+    ZeroBlock(*Core::System::GetInstance().Kernel().GetCurrentProcess(), dest_addr, size);
 }
 
 void CopyBlock(const Kernel::Process& process, VAddr dest_addr, VAddr src_addr,
@@ -699,7 +702,7 @@ void CopyBlock(const Kernel::Process& process, VAddr dest_addr, VAddr src_addr,
 }
 
 void CopyBlock(VAddr dest_addr, VAddr src_addr, const std::size_t size) {
-    CopyBlock(*Kernel::g_current_process, dest_addr, src_addr, size);
+    CopyBlock(*Core::System::GetInstance().Kernel().GetCurrentProcess(), dest_addr, src_addr, size);
 }
 
 template <>
@@ -778,7 +781,8 @@ std::optional<VAddr> PhysicalToVirtualAddress(const PAddr addr) {
     } else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) {
         return addr - VRAM_PADDR + VRAM_VADDR;
     } else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) {
-        return addr - FCRAM_PADDR + Kernel::g_current_process->GetLinearHeapAreaAddress();
+        return addr - FCRAM_PADDR +
+               Core::System::GetInstance().Kernel().GetCurrentProcess()->GetLinearHeapAreaAddress();
     } else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) {
         return addr - DSP_RAM_PADDR + DSP_RAM_VADDR;
     } else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) {

src/tests/core/arm/arm_test_common.cpp

@@ -17,10 +17,14 @@ TestEnvironment::TestEnvironment(bool mutable_memory_)
     : mutable_memory(mutable_memory_), test_memory(std::make_shared<TestMemory>(this)) {
 
     CoreTiming::Init();
-    kernel = std::make_unique<Kernel::KernelSystem>(0);
+    // HACK: some memory functions are currently referring kernel from the global instance,
+    //       so we need to create the kernel object there.
+    //       Change this when all global states are eliminated.
+    Core::System::GetInstance().kernel = std::make_unique<Kernel::KernelSystem>(0);
+    kernel = Core::System::GetInstance().kernel.get();
 
-    Kernel::g_current_process = kernel->CreateProcess(kernel->CreateCodeSet("", 0));
-    page_table = &Kernel::g_current_process->vm_manager.page_table;
+    kernel->SetCurrentProcess(kernel->CreateProcess(kernel->CreateCodeSet("", 0)));
+    page_table = &kernel->GetCurrentProcess()->vm_manager.page_table;
 
     page_table->pointers.fill(nullptr);
     page_table->attributes.fill(Memory::PageType::Unmapped);

src/tests/core/arm/arm_test_common.h

@@ -80,7 +80,7 @@ private:
     std::shared_ptr<TestMemory> test_memory;
     std::vector<WriteRecord> write_records;
 
-    std::unique_ptr<Kernel::KernelSystem> kernel;
+    Kernel::KernelSystem* kernel;
 };
 
 } // namespace ArmTests