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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
This commit is contained in:
Weiyi Wang 2018-10-17 15:23:56 -04:00
parent d9342622b0
commit 8fb3d8ff38
19 changed files with 96 additions and 55 deletions

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@ -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;

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@ -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;

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@ -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

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@ -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));
}

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@ -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)) {

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@ -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

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@ -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

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

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

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@ -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;

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@ -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)));
@ -1407,7 +1415,8 @@ 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,
DEBUG_ASSERT_MSG(Core::System::GetInstance().Kernel().GetCurrentProcess()->status ==
ProcessStatus::Running,
"Running threads from exiting processes is unimplemented");
const FunctionDef* info = GetSVCInfo(immediate);

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@ -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);

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@ -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 ||

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@ -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 =

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@ -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)

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@ -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);
}
}

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@ -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) {

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@ -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);

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@ -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