Merge pull request #6266 from bunnei/kautoobject-refactor

Kernel Rework: Migrate kernel objects to KAutoObject

1 files changed, 97 insertions, 20 deletions

diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index a500e63bc..51aaccbc7 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -11,8 +11,10 @@
 #include <vector>
 #include "core/arm/cpu_interrupt_handler.h"
 #include "core/hardware_properties.h"
+#include "core/hle/kernel/k_auto_object.h"
+#include "core/hle/kernel/k_slab_heap.h"
 #include "core/hle/kernel/memory_types.h"
-#include "core/hle/kernel/object.h"
+#include "core/hle/kernel/svc_common.h"
 
 namespace Core {
 class CPUInterruptHandler;
@@ -27,20 +29,32 @@ struct EventType;
 
 namespace Kernel {
 
-class ClientPort;
+class KClientPort;
 class GlobalSchedulerContext;
-class HandleTable;
+class KAutoObjectWithListContainer;
+class KClientSession;
+class KEvent;
+class KHandleTable;
+class KLinkedListNode;
 class KMemoryManager;
+class KPort;
+class KProcess;
 class KResourceLimit;
 class KScheduler;
+class KSession;
 class KSharedMemory;
 class KThread;
+class KTransferMemory;
+class KWritableEvent;
 class PhysicalCore;
-class Process;
 class ServiceThread;
 class Synchronization;
 class TimeManager;
 
+namespace Init {
+struct KSlabResourceCounts;
+}
+
 template <typename T>
 class KSlabHeap;
 
@@ -51,7 +65,7 @@ constexpr EmuThreadHandle EmuThreadHandleReserved{1ULL << 63};
 /// Represents a single instance of the kernel.
 class KernelCore {
 private:
-    using NamedPortTable = std::unordered_map<std::string, std::shared_ptr<ClientPort>>;
+    using NamedPortTable = std::unordered_map<std::string, KClientPort*>;
 
 public:
     /// Constructs an instance of the kernel using the given System
@@ -83,25 +97,28 @@ public:
     void Shutdown();
 
     /// Retrieves a shared pointer to the system resource limit instance.
-    std::shared_ptr<KResourceLimit> GetSystemResourceLimit() const;
+    const KResourceLimit* GetSystemResourceLimit() const;
+
+    /// Retrieves a shared pointer to the system resource limit instance.
+    KResourceLimit* GetSystemResourceLimit();
 
     /// Retrieves a shared pointer to a Thread instance within the thread wakeup handle table.
-    std::shared_ptr<KThread> RetrieveThreadFromGlobalHandleTable(Handle handle) const;
+    KScopedAutoObject<KThread> RetrieveThreadFromGlobalHandleTable(Handle handle) const;
 
     /// Adds the given shared pointer to an internal list of active processes.
-    void AppendNewProcess(std::shared_ptr<Process> process);
+    void AppendNewProcess(KProcess* process);
 
     /// Makes the given process the new current process.
-    void MakeCurrentProcess(Process* process);
+    void MakeCurrentProcess(KProcess* process);
 
     /// Retrieves a pointer to the current process.
-    Process* CurrentProcess();
+    KProcess* CurrentProcess();
 
     /// Retrieves a const pointer to the current process.
-    const Process* CurrentProcess() const;
+    const KProcess* CurrentProcess() const;
 
     /// Retrieves the list of processes.
-    const std::vector<std::shared_ptr<Process>>& GetProcessList() const;
+    const std::vector<KProcess*>& GetProcessList() const;
 
     /// Gets the sole instance of the global scheduler
     Kernel::GlobalSchedulerContext& GlobalSchedulerContext();
@@ -143,6 +160,10 @@ public:
 
     const Core::ExclusiveMonitor& GetExclusiveMonitor() const;
 
+    KAutoObjectWithListContainer& ObjectListContainer();
+
+    const KAutoObjectWithListContainer& ObjectListContainer() const;
+
     std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& Interrupts();
 
     const std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& Interrupts() const;
@@ -152,7 +173,7 @@ public:
     void InvalidateCpuInstructionCacheRange(VAddr addr, std::size_t size);
 
     /// Adds a port to the named port table
-    void AddNamedPort(std::string name, std::shared_ptr<ClientPort> port);
+    void AddNamedPort(std::string name, KClientPort* port);
 
     /// Finds a port within the named port table with the given name.
     NamedPortTable::iterator FindNamedPort(const std::string& name);
@@ -225,9 +246,10 @@ public:
 
     /**
      * Creates an HLE service thread, which are used to execute service routines asynchronously.
-     * While these are allocated per ServerSession, these need to be owned and managed outside of
-     * ServerSession to avoid a circular dependency.
-     * @param name String name for the ServerSession creating this thread, used for debug purposes.
+     * While these are allocated per ServerSession, these need to be owned and managed outside
+     * of ServerSession to avoid a circular dependency.
+     * @param name String name for the ServerSession creating this thread, used for debug
+     * purposes.
      * @returns The a weak pointer newly created service thread.
      */
     std::weak_ptr<Kernel::ServiceThread> CreateServiceThread(const std::string& name);
@@ -243,9 +265,45 @@ public:
     bool IsPhantomModeForSingleCore() const;
     void SetIsPhantomModeForSingleCore(bool value);
 
+    Core::System& System();
+    const Core::System& System() const;
+
+    /// Gets the slab heap for the specified kernel object type.
+    template <typename T>
+    KSlabHeap<T>& SlabHeap() {
+        if constexpr (std::is_same_v<T, KClientSession>) {
+            return slab_heap_container->client_session;
+        } else if constexpr (std::is_same_v<T, KEvent>) {
+            return slab_heap_container->event;
+        } else if constexpr (std::is_same_v<T, KLinkedListNode>) {
+            return slab_heap_container->linked_list_node;
+        } else if constexpr (std::is_same_v<T, KPort>) {
+            return slab_heap_container->port;
+        } else if constexpr (std::is_same_v<T, KProcess>) {
+            return slab_heap_container->process;
+        } else if constexpr (std::is_same_v<T, KResourceLimit>) {
+            return slab_heap_container->resource_limit;
+        } else if constexpr (std::is_same_v<T, KSession>) {
+            return slab_heap_container->session;
+        } else if constexpr (std::is_same_v<T, KSharedMemory>) {
+            return slab_heap_container->shared_memory;
+        } else if constexpr (std::is_same_v<T, KThread>) {
+            return slab_heap_container->thread;
+        } else if constexpr (std::is_same_v<T, KTransferMemory>) {
+            return slab_heap_container->transfer_memory;
+        } else if constexpr (std::is_same_v<T, KWritableEvent>) {
+            return slab_heap_container->writeable_event;
+        }
+    }
+
+    /// Gets the current slab resource counts.
+    Init::KSlabResourceCounts& SlabResourceCounts();
+
+    /// Gets the current slab resource counts.
+    const Init::KSlabResourceCounts& SlabResourceCounts() const;
+
 private:
-    friend class Object;
-    friend class Process;
+    friend class KProcess;
     friend class KThread;
 
     /// Creates a new object ID, incrementing the internal object ID counter.
@@ -261,14 +319,33 @@ private:
     u64 CreateNewThreadID();
 
     /// Provides a reference to the global handle table.
-    Kernel::HandleTable& GlobalHandleTable();
+    KHandleTable& GlobalHandleTable();
 
     /// Provides a const reference to the global handle table.
-    const Kernel::HandleTable& GlobalHandleTable() const;
+    const KHandleTable& GlobalHandleTable() const;
 
     struct Impl;
     std::unique_ptr<Impl> impl;
+
     bool exception_exited{};
+
+private:
+    /// Helper to encapsulate all slab heaps in a single heap allocated container
+    struct SlabHeapContainer {
+        KSlabHeap<KClientSession> client_session;
+        KSlabHeap<KEvent> event;
+        KSlabHeap<KLinkedListNode> linked_list_node;
+        KSlabHeap<KPort> port;
+        KSlabHeap<KProcess> process;
+        KSlabHeap<KResourceLimit> resource_limit;
+        KSlabHeap<KSession> session;
+        KSlabHeap<KSharedMemory> shared_memory;
+        KSlabHeap<KThread> thread;
+        KSlabHeap<KTransferMemory> transfer_memory;
+        KSlabHeap<KWritableEvent> writeable_event;
+    };
+
+    std::unique_ptr<SlabHeapContainer> slab_heap_container;
 };
 
 } // namespace Kernel