core: hle: kernel: Integrate system KSystemResource.

src/core/hle/kernel/init/init_slab_setup.cpp

@@ -10,7 +10,9 @@
 #include "core/hardware_properties.h"
 #include "core/hle/kernel/init/init_slab_setup.h"
 #include "core/hle/kernel/k_code_memory.h"
+#include "core/hle/kernel/k_debug.h"
 #include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_event_info.h"
 #include "core/hle/kernel/k_memory_layout.h"
 #include "core/hle/kernel/k_memory_manager.h"
 #include "core/hle/kernel/k_page_buffer.h"
@@ -22,6 +24,7 @@
 #include "core/hle/kernel/k_shared_memory.h"
 #include "core/hle/kernel/k_shared_memory_info.h"
 #include "core/hle/kernel/k_system_control.h"
+#include "core/hle/kernel/k_system_resource.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/k_thread_local_page.h"
 #include "core/hle/kernel/k_transfer_memory.h"
@@ -44,7 +47,10 @@ namespace Kernel::Init {
     HANDLER(KThreadLocalPage,                                                                      \
             (SLAB_COUNT(KProcess) + (SLAB_COUNT(KProcess) + SLAB_COUNT(KThread)) / 8),             \
             ##__VA_ARGS__)                                                                         \
-    HANDLER(KResourceLimit, (SLAB_COUNT(KResourceLimit)), ##__VA_ARGS__)
+    HANDLER(KResourceLimit, (SLAB_COUNT(KResourceLimit)), ##__VA_ARGS__)                           \
+    HANDLER(KEventInfo, (SLAB_COUNT(KThread) + SLAB_COUNT(KDebug)), ##__VA_ARGS__)                 \
+    HANDLER(KDebug, (SLAB_COUNT(KDebug)), ##__VA_ARGS__)                                           \
+    HANDLER(KSecureSystemResource, (SLAB_COUNT(KProcess)), ##__VA_ARGS__)
 
 namespace {
 
@@ -73,8 +79,20 @@ constexpr size_t SlabCountKResourceLimit = 5;
 constexpr size_t SlabCountKDebug = Core::Hardware::NUM_CPU_CORES;
 constexpr size_t SlabCountKIoPool = 1;
 constexpr size_t SlabCountKIoRegion = 6;
+constexpr size_t SlabcountKSessionRequestMappings = 40;
 
-constexpr size_t SlabCountExtraKThread = 160;
+constexpr size_t SlabCountExtraKThread = (1024 + 256 + 256) - SlabCountKThread;
+
+namespace test {
+
+static_assert(KernelPageBufferHeapSize ==
+              2 * PageSize + (SlabCountKProcess + SlabCountKThread +
+                              (SlabCountKProcess + SlabCountKThread) / 8) *
+                                 PageSize);
+static_assert(KernelPageBufferAdditionalSize ==
+              (SlabCountExtraKThread + (SlabCountExtraKThread / 8)) * PageSize);
+
+} // namespace test
 
 /// Helper function to translate from the slab virtual address to the reserved location in physical
 /// memory.
@@ -109,7 +127,7 @@ VAddr InitializeSlabHeap(Core::System& system, KMemoryLayout& memory_layout, VAd
 }
 
 size_t CalculateSlabHeapGapSize() {
-    constexpr size_t KernelSlabHeapGapSize = 2_MiB - 296_KiB;
+    constexpr size_t KernelSlabHeapGapSize = 2_MiB - 320_KiB;
     static_assert(KernelSlabHeapGapSize <= KernelSlabHeapGapsSizeMax);
     return KernelSlabHeapGapSize;
 }
@@ -134,6 +152,7 @@ KSlabResourceCounts KSlabResourceCounts::CreateDefault() {
         .num_KDebug = SlabCountKDebug,
         .num_KIoPool = SlabCountKIoPool,
         .num_KIoRegion = SlabCountKIoRegion,
+        .num_KSessionRequestMappings = SlabcountKSessionRequestMappings,
     };
 }
 
@@ -164,29 +183,6 @@ size_t CalculateTotalSlabHeapSize(const KernelCore& kernel) {
     return size;
 }
 
-void InitializeKPageBufferSlabHeap(Core::System& system) {
-    auto& kernel = system.Kernel();
-
-    const auto& counts = kernel.SlabResourceCounts();
-    const size_t num_pages =
-        counts.num_KProcess + counts.num_KThread + (counts.num_KProcess + counts.num_KThread) / 8;
-    const size_t slab_size = num_pages * PageSize;
-
-    // Reserve memory from the system resource limit.
-    ASSERT(kernel.GetSystemResourceLimit()->Reserve(LimitableResource::PhysicalMemory, slab_size));
-
-    // Allocate memory for the slab.
-    constexpr auto AllocateOption = KMemoryManager::EncodeOption(
-        KMemoryManager::Pool::System, KMemoryManager::Direction::FromFront);
-    const PAddr slab_address =
-        kernel.MemoryManager().AllocateAndOpenContinuous(num_pages, 1, AllocateOption);
-    ASSERT(slab_address != 0);
-
-    // Initialize the slabheap.
-    KPageBuffer::InitializeSlabHeap(kernel, system.DeviceMemory().GetPointer<void>(slab_address),
-                                    slab_size);
-}
-
 void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
     auto& kernel = system.Kernel();
 
@@ -258,3 +254,29 @@ void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout) {
 }
 
 } // namespace Kernel::Init
+
+namespace Kernel {
+
+void KPageBufferSlabHeap::Initialize(Core::System& system) {
+    auto& kernel = system.Kernel();
+    const auto& counts = kernel.SlabResourceCounts();
+    const size_t num_pages =
+        counts.num_KProcess + counts.num_KThread + (counts.num_KProcess + counts.num_KThread) / 8;
+    const size_t slab_size = num_pages * PageSize;
+
+    // Reserve memory from the system resource limit.
+    ASSERT(kernel.GetSystemResourceLimit()->Reserve(LimitableResource::PhysicalMemory, slab_size));
+
+    // Allocate memory for the slab.
+    constexpr auto AllocateOption = KMemoryManager::EncodeOption(
+        KMemoryManager::Pool::System, KMemoryManager::Direction::FromFront);
+    const PAddr slab_address =
+        kernel.MemoryManager().AllocateAndOpenContinuous(num_pages, 1, AllocateOption);
+    ASSERT(slab_address != 0);
+
+    // Initialize the slabheap.
+    KPageBuffer::InitializeSlabHeap(kernel, system.DeviceMemory().GetPointer<void>(slab_address),
+                                    slab_size);
+}
+
+} // namespace Kernel

src/core/hle/kernel/init/init_slab_setup.h

@@ -33,11 +33,11 @@ struct KSlabResourceCounts {
     size_t num_KDebug;
     size_t num_KIoPool;
     size_t num_KIoRegion;
+    size_t num_KSessionRequestMappings;
 };
 
 void InitializeSlabResourceCounts(KernelCore& kernel);
 size_t CalculateTotalSlabHeapSize(const KernelCore& kernel);
-void InitializeKPageBufferSlabHeap(Core::System& system);
 void InitializeSlabHeaps(Core::System& system, KMemoryLayout& memory_layout);
 
 } // namespace Kernel::Init

src/core/hle/kernel/k_page_table.cpp

@@ -15,6 +15,7 @@
 #include "core/hle/kernel/k_resource_limit.h"
 #include "core/hle/kernel/k_scoped_resource_reservation.h"
 #include "core/hle/kernel/k_system_control.h"
+#include "core/hle/kernel/k_system_resource.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/svc_results.h"
 #include "core/memory.h"
@@ -49,9 +50,10 @@ KPageTable::KPageTable(Core::System& system_)
 KPageTable::~KPageTable() = default;
 
 Result KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
-                                        VAddr code_addr, size_t code_size,
+                                        bool enable_das_merge, bool from_back,
-                                        KMemoryBlockSlabManager* mem_block_slab_manager,
+                                        KMemoryManager::Pool pool, VAddr code_addr,
-                                        KMemoryManager::Pool pool) {
+                                        size_t code_size, KSystemResource* system_resource,
+                                        KResourceLimit* resource_limit) {
 
     const auto GetSpaceStart = [this](KAddressSpaceInfo::Type type) {
         return KAddressSpaceInfo::GetAddressSpaceStart(m_address_space_width, type);
@@ -116,7 +118,9 @@ Result KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type
     m_address_space_start = start;
     m_address_space_end = end;
     m_is_kernel = false;
-    m_memory_block_slab_manager = mem_block_slab_manager;
+    m_memory_block_slab_manager = system_resource->GetMemoryBlockSlabManagerPointer();
+    m_block_info_manager = system_resource->GetBlockInfoManagerPointer();
+    m_resource_limit = resource_limit;
 
     // Determine the region we can place our undetermineds in
     VAddr alloc_start{};

src/core/hle/kernel/k_page_table.h

@@ -23,7 +23,10 @@ class System;
 
 namespace Kernel {
 
+class KBlockInfoManager;
 class KMemoryBlockManager;
+class KResourceLimit;
+class KSystemResource;
 
 class KPageTable final {
 public:
@@ -36,9 +39,9 @@ public:
     ~KPageTable();
 
     Result InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr,
-                                VAddr code_addr, size_t code_size,
+                                bool enable_das_merge, bool from_back, KMemoryManager::Pool pool,
-                                KMemoryBlockSlabManager* mem_block_slab_manager,
+                                VAddr code_addr, size_t code_size, KSystemResource* system_resource,
-                                KMemoryManager::Pool pool);
+                                KResourceLimit* resource_limit);
 
     void Finalize();
 
@@ -74,9 +77,9 @@ public:
                                           KMemoryState state, KMemoryPermission perm,
                                           PAddr map_addr = 0);
 
-    Result LockForMapDeviceAddressSpace(VAddr address, size_t size, KMemoryPermission perm,
+    Result LockForMapDeviceAddressSpace(bool* out_is_io, VAddr address, size_t size,
-                                        bool is_aligned);
+                                        KMemoryPermission perm, bool is_aligned, bool check_heap);
-    Result LockForUnmapDeviceAddressSpace(VAddr address, size_t size);
+    Result LockForUnmapDeviceAddressSpace(VAddr address, size_t size, bool check_heap);
 
     Result UnlockForDeviceAddressSpace(VAddr addr, size_t size);
 
@@ -99,11 +102,13 @@ public:
 
 private:
     enum class OperationType : u32 {
-        Map,
+        Map = 0,
-        MapGroup,
+        MapFirst = 1,
-        Unmap,
+        MapGroup = 2,
-        ChangePermissions,
+        Unmap = 3,
-        ChangePermissionsAndRefresh,
+        ChangePermissions = 4,
+        ChangePermissionsAndRefresh = 5,
+        Separate = 6,
     };
 
     static constexpr KMemoryAttribute DefaultMemoryIgnoreAttr =
@@ -199,6 +204,10 @@ private:
         return *out != 0;
     }
 
+    // HACK: These will be removed once we automatically manage page reference counts.
+    void HACK_OpenPages(PAddr phys_addr, size_t num_pages);
+    void HACK_ClosePages(VAddr virt_addr, size_t num_pages);
+
     mutable KLightLock m_general_lock;
     mutable KLightLock m_map_physical_memory_lock;
 
@@ -347,20 +356,27 @@ private:
     VAddr m_alias_code_region_start{};
     VAddr m_alias_code_region_end{};
 
-    size_t m_mapped_physical_memory_size{};
     size_t m_max_heap_size{};
-    size_t m_max_physical_memory_size{};
+    size_t m_mapped_physical_memory_size{};
+    size_t m_mapped_unsafe_physical_memory{};
+    size_t m_mapped_insecure_memory{};
+    size_t m_mapped_ipc_server_memory{};
     size_t m_address_space_width{};
 
     KMemoryBlockManager m_memory_block_manager;
+    u32 m_allocate_option{};
 
     bool m_is_kernel{};
     bool m_enable_aslr{};
     bool m_enable_device_address_space_merge{};
 
     KMemoryBlockSlabManager* m_memory_block_slab_manager{};
+    KBlockInfoManager* m_block_info_manager{};
+    KResourceLimit* m_resource_limit{};
 
     u32 m_heap_fill_value{};
+    u32 m_ipc_fill_value{};
+    u32 m_stack_fill_value{};
     const KMemoryRegion* m_cached_physical_heap_region{};
 
     KMemoryManager::Pool m_memory_pool{KMemoryManager::Pool::Application};

src/core/hle/kernel/k_process.cpp

@@ -358,8 +358,8 @@ Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std:
     }
     // Initialize proces address space
     if (const Result result{page_table.InitializeForProcess(
-            metadata.GetAddressSpaceType(), false, 0x8000000, code_size,
+            metadata.GetAddressSpaceType(), false, false, false, KMemoryManager::Pool::Application,
-            &kernel.GetApplicationMemoryBlockManager(), KMemoryManager::Pool::Application)};
+            0x8000000, code_size, &kernel.GetSystemSystemResource(), resource_limit)};
         result.IsError()) {
         R_RETURN(result);
     }

src/core/hle/kernel/kernel.cpp

@@ -28,10 +28,12 @@
 #include "core/hle/kernel/k_handle_table.h"
 #include "core/hle/kernel/k_memory_layout.h"
 #include "core/hle/kernel/k_memory_manager.h"
+#include "core/hle/kernel/k_page_buffer.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_resource_limit.h"
 #include "core/hle/kernel/k_scheduler.h"
 #include "core/hle/kernel/k_shared_memory.h"
+#include "core/hle/kernel/k_system_resource.h"
 #include "core/hle/kernel/k_thread.h"
 #include "core/hle/kernel/k_worker_task_manager.h"
 #include "core/hle/kernel/kernel.h"
@@ -47,6 +49,11 @@ MICROPROFILE_DEFINE(Kernel_SVC, "Kernel", "SVC", MP_RGB(70, 200, 70));
 namespace Kernel {
 
 struct KernelCore::Impl {
+    static constexpr size_t ApplicationMemoryBlockSlabHeapSize = 20000;
+    static constexpr size_t SystemMemoryBlockSlabHeapSize = 10000;
+    static constexpr size_t BlockInfoSlabHeapSize = 4000;
+    static constexpr size_t ReservedDynamicPageCount = 64;
+
     explicit Impl(Core::System& system_, KernelCore& kernel_)
         : time_manager{system_}, service_threads_manager{1, "ServiceThreadsManager"},
           service_thread_barrier{2}, system{system_} {}
@@ -72,7 +79,6 @@ struct KernelCore::Impl {
         // Initialize kernel memory and resources.
         InitializeSystemResourceLimit(kernel, system.CoreTiming());
         InitializeMemoryLayout();
-        Init::InitializeKPageBufferSlabHeap(system);
         InitializeShutdownThreads();
         InitializePhysicalCores();
         InitializePreemption(kernel);
@@ -82,7 +88,8 @@ struct KernelCore::Impl {
             const auto& pt_heap_region = memory_layout->GetPageTableHeapRegion();
             ASSERT(pt_heap_region.GetEndAddress() != 0);
 
-            InitializeResourceManagers(pt_heap_region.GetAddress(), pt_heap_region.GetSize());
+            InitializeResourceManagers(kernel, pt_heap_region.GetAddress(),
+                                       pt_heap_region.GetSize());
         }
 
         RegisterHostThread();
@@ -263,16 +270,82 @@ struct KernelCore::Impl {
         system.CoreTiming().ScheduleLoopingEvent(time_interval, time_interval, preemption_event);
     }
 
-    void InitializeResourceManagers(VAddr address, size_t size) {
+    void InitializeResourceManagers(KernelCore& kernel, VAddr address, size_t size) {
-        dynamic_page_manager = std::make_unique<KDynamicPageManager>();
+        // Ensure that the buffer is suitable for our use.
-        memory_block_heap = std::make_unique<KMemoryBlockSlabHeap>();
+        ASSERT(Common::IsAligned(address, PageSize));
-        app_memory_block_manager = std::make_unique<KMemoryBlockSlabManager>();
+        ASSERT(Common::IsAligned(size, PageSize));
 
-        dynamic_page_manager->Initialize(address, size);
+        // Ensure that we have space for our reference counts.
-        static constexpr size_t ApplicationMemoryBlockSlabHeapSize = 20000;
+        const size_t rc_size =
-        memory_block_heap->Initialize(dynamic_page_manager.get(),
+            Common::AlignUp(KPageTableSlabHeap::CalculateReferenceCountSize(size), PageSize);
+        ASSERT(rc_size < size);
+        size -= rc_size;
+
+        // Initialize the resource managers' shared page manager.
+        resource_manager_page_manager = std::make_unique<KDynamicPageManager>();
+        resource_manager_page_manager->Initialize(
+            address, size, std::max<size_t>(PageSize, KPageBufferSlabHeap::BufferSize));
+
+        // Initialize the KPageBuffer slab heap.
+        page_buffer_slab_heap.Initialize(system);
+
+        // Initialize the fixed-size slabheaps.
+        app_memory_block_heap = std::make_unique<KMemoryBlockSlabHeap>();
+        sys_memory_block_heap = std::make_unique<KMemoryBlockSlabHeap>();
+        block_info_heap = std::make_unique<KBlockInfoSlabHeap>();
+        app_memory_block_heap->Initialize(resource_manager_page_manager.get(),
                                           ApplicationMemoryBlockSlabHeapSize);
-        app_memory_block_manager->Initialize(nullptr, memory_block_heap.get());
+        sys_memory_block_heap->Initialize(resource_manager_page_manager.get(),
+                                          SystemMemoryBlockSlabHeapSize);
+        block_info_heap->Initialize(resource_manager_page_manager.get(), BlockInfoSlabHeapSize);
+
+        // Reserve all but a fixed number of remaining pages for the page table heap.
+        const size_t num_pt_pages = resource_manager_page_manager->GetCount() -
+                                    resource_manager_page_manager->GetUsed() -
+                                    ReservedDynamicPageCount;
+        page_table_heap = std::make_unique<KPageTableSlabHeap>();
+
+        // TODO(bunnei): Pass in address once we support kernel virtual memory allocations.
+        page_table_heap->Initialize(
+            resource_manager_page_manager.get(), num_pt_pages,
+            /*GetPointer<KPageTableManager::RefCount>(address + size)*/ nullptr);
+
+        // Setup the slab managers.
+        KDynamicPageManager* const app_dynamic_page_manager = nullptr;
+        KDynamicPageManager* const sys_dynamic_page_manager =
+            /*KTargetSystem::IsDynamicResourceLimitsEnabled()*/ true
+                ? resource_manager_page_manager.get()
+                : nullptr;
+        app_memory_block_manager = std::make_unique<KMemoryBlockSlabManager>();
+        sys_memory_block_manager = std::make_unique<KMemoryBlockSlabManager>();
+        app_block_info_manager = std::make_unique<KBlockInfoManager>();
+        sys_block_info_manager = std::make_unique<KBlockInfoManager>();
+        app_page_table_manager = std::make_unique<KPageTableManager>();
+        sys_page_table_manager = std::make_unique<KPageTableManager>();
+
+        app_memory_block_manager->Initialize(app_dynamic_page_manager, app_memory_block_heap.get());
+        sys_memory_block_manager->Initialize(sys_dynamic_page_manager, sys_memory_block_heap.get());
+
+        app_block_info_manager->Initialize(app_dynamic_page_manager, block_info_heap.get());
+        sys_block_info_manager->Initialize(sys_dynamic_page_manager, block_info_heap.get());
+
+        app_page_table_manager->Initialize(app_dynamic_page_manager, page_table_heap.get());
+        sys_page_table_manager->Initialize(sys_dynamic_page_manager, page_table_heap.get());
+
+        // Check that we have the correct number of dynamic pages available.
+        ASSERT(resource_manager_page_manager->GetCount() -
+                   resource_manager_page_manager->GetUsed() ==
+               ReservedDynamicPageCount);
+
+        // Create the system page table managers.
+        app_system_resource = std::make_unique<KSystemResource>(kernel);
+        sys_system_resource = std::make_unique<KSystemResource>(kernel);
+
+        // Set the managers for the system resources.
+        app_system_resource->SetManagers(*app_memory_block_manager, *app_block_info_manager,
+                                         *app_page_table_manager);
+        sys_system_resource->SetManagers(*sys_memory_block_manager, *sys_block_info_manager,
+                                         *sys_page_table_manager);
     }
 
     void InitializeShutdownThreads() {
@@ -767,6 +840,8 @@ struct KernelCore::Impl {
     Init::KSlabResourceCounts slab_resource_counts{};
     KResourceLimit* system_resource_limit{};
 
+    KPageBufferSlabHeap page_buffer_slab_heap;
+
     std::shared_ptr<Core::Timing::EventType> preemption_event;
 
     // This is the kernel's handle table or supervisor handle table which
@@ -792,10 +867,20 @@ struct KernelCore::Impl {
     // Kernel memory management
     std::unique_ptr<KMemoryManager> memory_manager;
 
-    // Dynamic slab managers
+    // Resource managers
-    std::unique_ptr<KDynamicPageManager> dynamic_page_manager;
+    std::unique_ptr<KDynamicPageManager> resource_manager_page_manager;
-    std::unique_ptr<KMemoryBlockSlabHeap> memory_block_heap;
+    std::unique_ptr<KPageTableSlabHeap> page_table_heap;
+    std::unique_ptr<KMemoryBlockSlabHeap> app_memory_block_heap;
+    std::unique_ptr<KMemoryBlockSlabHeap> sys_memory_block_heap;
+    std::unique_ptr<KBlockInfoSlabHeap> block_info_heap;
+    std::unique_ptr<KPageTableManager> app_page_table_manager;
+    std::unique_ptr<KPageTableManager> sys_page_table_manager;
     std::unique_ptr<KMemoryBlockSlabManager> app_memory_block_manager;
+    std::unique_ptr<KMemoryBlockSlabManager> sys_memory_block_manager;
+    std::unique_ptr<KBlockInfoManager> app_block_info_manager;
+    std::unique_ptr<KBlockInfoManager> sys_block_info_manager;
+    std::unique_ptr<KSystemResource> app_system_resource;
+    std::unique_ptr<KSystemResource> sys_system_resource;
 
     // Shared memory for services
     Kernel::KSharedMemory* hid_shared_mem{};
@@ -1073,12 +1158,12 @@ const KMemoryManager& KernelCore::MemoryManager() const {
     return *impl->memory_manager;
 }
 
-KMemoryBlockSlabManager& KernelCore::GetApplicationMemoryBlockManager() {
+KSystemResource& KernelCore::GetSystemSystemResource() {
-    return *impl->app_memory_block_manager;
+    return *impl->sys_system_resource;
 }
 
-const KMemoryBlockSlabManager& KernelCore::GetApplicationMemoryBlockManager() const {
+const KSystemResource& KernelCore::GetSystemSystemResource() const {
-    return *impl->app_memory_block_manager;
+    return *impl->sys_system_resource;
 }
 
 Kernel::KSharedMemory& KernelCore::GetHidSharedMem() {

src/core/hle/kernel/kernel.h

@@ -34,13 +34,16 @@ class KClientPort;
 class GlobalSchedulerContext;
 class KAutoObjectWithListContainer;
 class KClientSession;
+class KDebug;
+class KDynamicPageManager;
 class KEvent;
+class KEventInfo;
 class KHandleTable;
 class KLinkedListNode;
-class KMemoryBlockSlabManager;
 class KMemoryLayout;
 class KMemoryManager;
 class KPageBuffer;
+class KPageBufferSlabHeap;
 class KPort;
 class KProcess;
 class KResourceLimit;
@@ -50,6 +53,7 @@ class KSession;
 class KSessionRequest;
 class KSharedMemory;
 class KSharedMemoryInfo;
+class KSecureSystemResource;
 class KThread;
 class KThreadLocalPage;
 class KTransferMemory;
@@ -243,11 +247,11 @@ public:
     /// Gets the virtual memory manager for the kernel.
     const KMemoryManager& MemoryManager() const;
 
-    /// Gets the application memory block manager for the kernel.
+    /// Gets the system resource manager.
-    KMemoryBlockSlabManager& GetApplicationMemoryBlockManager();
+    KSystemResource& GetSystemSystemResource();
 
-    /// Gets the application memory block manager for the kernel.
+    /// Gets the system resource manager.
-    const KMemoryBlockSlabManager& GetApplicationMemoryBlockManager() const;
+    const KSystemResource& GetSystemSystemResource() const;
 
     /// Gets the shared memory object for HID services.
     Kernel::KSharedMemory& GetHidSharedMem();
@@ -363,6 +367,12 @@ public:
             return slab_heap_container->thread_local_page;
         } else if constexpr (std::is_same_v<T, KSessionRequest>) {
             return slab_heap_container->session_request;
+        } else if constexpr (std::is_same_v<T, KSecureSystemResource>) {
+            return slab_heap_container->secure_system_resource;
+        } else if constexpr (std::is_same_v<T, KEventInfo>) {
+            return slab_heap_container->event_info;
+        } else if constexpr (std::is_same_v<T, KDebug>) {
+            return slab_heap_container->debug;
         }
     }
 
@@ -426,6 +436,9 @@ private:
         KSlabHeap<KPageBuffer> page_buffer;
         KSlabHeap<KThreadLocalPage> thread_local_page;
         KSlabHeap<KSessionRequest> session_request;
+        KSlabHeap<KSecureSystemResource> secure_system_resource;
+        KSlabHeap<KEventInfo> event_info;
+        KSlabHeap<KDebug> debug;
     };
 
     std::unique_ptr<SlabHeapContainer> slab_heap_container;