Kernel(Secret): Major commit.

- Extensive cleanup of the code, and kernel improvements.
- The System API has been reworked to be better designed.

What is needed now:
- AHCI disk driver.
- HCFS/NewFS driver.
- EPM layout implementation.
- Separate bootloader and kernel.

13 files changed, 105 insertions, 94 deletions

diff --git a/Public/Kits/System.Core/Defs.hxx b/Public/Kits/System.Core/Defs.hxx
index bcb3585c..9a17d571 100644
--- a/Public/Kits/System.Core/Defs.hxx
+++ b/Public/Kits/System.Core/Defs.hxx
@@ -108,4 +108,21 @@ enum HcProcessCall {
     kProcessCallsCount = 7,
 };
 
-#include <System.Core/HintBase.hxx>
+#include <System.Core/Hint.hxx>
+
+class Exception {
+ public:
+  explicit Exception() = default;
+  virtual ~Exception() = default;
+
+ public:
+  HCORE_COPY_DEFAULT(Exception);
+
+ public:
+  const char *Name();
+  const char *Reason();
+
+ private:
+  const char *mReason{
+      "System.Core: System Exception: Catastrophic failure!"};
+};
diff --git a/Public/Kits/System.Core/File.hxx b/Public/Kits/System.Core/File.hxx
index 2f799330..97377800 100644
--- a/Public/Kits/System.Core/File.hxx
+++ b/Public/Kits/System.Core/File.hxx
@@ -25,10 +25,10 @@ class File final {
 
  public:
   voidPtr Read(SizeT off, SizeT sz);
-  void Write(voidPtr buf, SizeT off, SizeT sz);
+  void Write(VoidPtr buf, SizeT off, SizeT sz);
   void Seek(SizeT off);
   voidPtr Read(SizeT sz);
-  void Write(voidPtr buf, SizeT sz);
+  void Write(VoidPtr buf, SizeT sz);
   void Rewind();
 
  public:
diff --git a/Public/Kits/System.Core/HCoreBase.hxx b/Public/Kits/System.Core/HCoreBase.hxx
deleted file mode 100644
index 774f9883..00000000
--- a/Public/Kits/System.Core/HCoreBase.hxx
+++ /dev/null
@@ -1,7 +0,0 @@
-/** ===========================================
- (C) Mahrouss Logic
-    ===========================================*/
-
-#pragma once
-
-#include <System.Core/Defs.hxx>
diff --git a/Public/Kits/System.Core/HCoreHeap.hxx b/Public/Kits/System.Core/HCoreHeap.hxx
deleted file mode 100644
index 41143495..00000000
--- a/Public/Kits/System.Core/HCoreHeap.hxx
+++ /dev/null
@@ -1,20 +0,0 @@
-/** ===========================================
- (C) Mahrouss Logic
-    ===========================================*/
-
-#pragma once
-
-#include <System.Core/HCoreBase.hxx>
-
-CA_EXTERN_C ObjectPtr HcGetProcessObject(void);
-CA_EXTERN_C PVOID HcAllocateProcessHeap(ObjectPtr refObj, QWORD sz, DWORD flags);
-CA_EXTERN_C VOID HcFreeProcessHeap(ObjectPtr refObj, PVOID ptr);
-CA_EXTERN_C QWORD HcProcessHeapSize(ObjectPtr refObj, PVOID ptr);
-CA_EXTERN_C QWORD HcProcessHeapExists(ObjectPtr refObj, PVOID ptr);
-
-enum HcAllocationKind {
-    kStandardAllocation = 0xC,
-    kArrayAllocation = 0xD,
-};
-
-#define kAllocationTypes 2
diff --git a/Public/Kits/System.Core/Heap+Impl.cxx b/Public/Kits/System.Core/Heap+Impl.cxx
deleted file mode 100644
index e3dcb11c..00000000
--- a/Public/Kits/System.Core/Heap+Impl.cxx
+++ /dev/null
@@ -1,37 +0,0 @@
-/* -------------------------------------------
-
-    Copyright Mahrouss Logic
-
-------------------------------------------- */
-
-#include <System.Core/Heap.hxx>
-#include <System.Core/System.Core.hxx>
-
-using namespace System;
-
-Heap* Heap::Shared() noexcept {
-    static Heap* heap = nullptr;
-
-    if (!heap) {
-        heap = new Heap();
-    }
-
-    return heap;
-}
-
-void Heap::Delete(HeapPtr me) noexcept { 
-    CA_MUST_PASS(me);
-    HcFreeProcessHeap(kInstanceObject, me); 
-}
-
-SizeT Heap::Size(HeapPtr me) noexcept { 
-    CA_MUST_PASS(me);
-    return HcProcessHeapSize(kInstanceObject, me); 
-}
-
-HeapPtr Heap::New(const SizeT &sz, const Int32 flags) {
-    SizeT _sz = sz;
-    if (!_sz) ++_sz;
-
-    return HcAllocateProcessHeap(kInstanceObject, _sz, flags); 
-}
\ No newline at end of file
diff --git a/Public/Kits/System.Core/Heap.hxx b/Public/Kits/System.Core/Heap.hxx
index dfcb4587..31e44c7e 100644
--- a/Public/Kits/System.Core/Heap.hxx
+++ b/Public/Kits/System.Core/Heap.hxx
@@ -6,8 +6,22 @@
 
 #pragma once
 
-#include <System.Core/Defs.hxx>
 #include <CompilerKit/CompilerKit.hxx>
+#include <System.Core/Defs.hxx>
+
+#define kAllocationTypes 2
+
+CA_EXTERN_C PVOID HcAllocateProcessHeap(ObjectPtr refObj, QWORD sz,
+                                        DWORD flags);
+CA_EXTERN_C BOOL HcProcessHeapExists(ObjectPtr refObj, PVOID ptr);
+CA_EXTERN_C QWORD HcProcessHeapSize(ObjectPtr refObj, PVOID ptr);
+CA_EXTERN_C VOID HcFreeProcessHeap(ObjectPtr refObj, PVOID ptr);
+CA_EXTERN_C ObjectPtr HcGetProcessObject(void);
+
+enum HcAllocationKind {
+  kStandardAllocation = 0xC,
+  kArrayAllocation = 0xD,
+};
 
 namespace System {
 using namespace HCore;
@@ -29,7 +43,7 @@ class Heap final {
   explicit Heap() = default;
 
  public:
-  ~Heap() = default;
+  ~Heap();
 
  public:
   HCORE_COPY_DEFAULT(Heap);
@@ -56,9 +70,10 @@ class MemoryException final {
   const char *Reason();
 
  private:
-  const char *mReason{"System.Core: Process Heap Exception: Catastrophic failure!"};
+  const char *mReason{
+      "System.Core: Process Heap Exception: Catastrophic failure!"};
 
  private:
   friend Heap;
 };
-} // namespace System
\ No newline at end of file
+}  // namespace System
\ No newline at end of file
diff --git a/Public/Kits/System.Core/HCoreHeap+Impl.cxx b/Public/Kits/System.Core/HeapCoreImpl.cxx
index 0e1b1732..2980a3de 100644
--- a/Public/Kits/System.Core/HCoreHeap+Impl.cxx
+++ b/Public/Kits/System.Core/HeapCoreImpl.cxx
@@ -2,43 +2,46 @@
  (C) Mahrouss Logic
     ===========================================*/
 
-#include <System.Core/HCoreHeap.hxx>
+#include <System.Core/Heap.hxx>
 
 /// @brief Allocate from the user's heap.
-/// @param refObj 
-/// @param sz 
-/// @param flags 
+/// @param refObj Process object.
+/// @param sz size of object.
+/// @param flags flags.
 /// @return 
 CA_EXTERN_C PVOID HcAllocateProcessHeap(ObjectPtr refObj, QWORD sz, DWORD flags)
 {
+    CA_MUST_PASS(sz);
+    CA_MUST_PASS(flags);
+    
     return (PVOID)refObj->Invoke(refObj, kProcessCallAllocPtr, sz, flags);
 }
 
 /// @brief Free pointer from the user's heap.
-/// @param refObj 
-/// @param ptr 
-/// @return 
+/// @param refObj Process object.
+/// @param ptr the pointer to free.
 CA_EXTERN_C VOID HcFreeProcessHeap(ObjectPtr refObj, PVOID ptr)
 {
+    CA_MUST_PASS(ptr);
     CA_UNREFERENCED_PARAMETER(refObj->Invoke(refObj, kProcessCallFreePtr, ptr));
 }
 
 /// @brief Get pointer size.
-/// @param refObj 
-/// @param ptr 
-/// @return 
+/// @param refObj Process object.
+/// @param ptr the pointer to find.
+/// @return the size.
 CA_EXTERN_C QWORD HcProcessHeapSize(ObjectPtr refObj, PVOID ptr)
 {
+    CA_MUST_PASS(ptr);
     return refObj->Invoke(refObj, kProcessCallSizePtr, ptr);
 }
 
 /// @brief Check if the pointer exists.
 /// @param refObj Process object.
-/// @param ptr 
-/// @return 
-CA_EXTERN_C QWORD HcProcessHeapExists(ObjectPtr refObj, PVOID ptr)
+/// @param ptr the pointer to check.
+/// @return if it exists
+CA_EXTERN_C BOOL HcProcessHeapExists(ObjectPtr refObj, PVOID ptr)
 {
+    CA_MUST_PASS(ptr);
     return refObj->Invoke(refObj, kProcessCallCheckPtr, ptr);
 }
-
-// EOF.
diff --git a/Public/Kits/System.Core/HeapImpl.cxx b/Public/Kits/System.Core/HeapImpl.cxx
new file mode 100644
index 00000000..f41c868f
--- /dev/null
+++ b/Public/Kits/System.Core/HeapImpl.cxx
@@ -0,0 +1,41 @@
+/* -------------------------------------------
+
+    Copyright Mahrouss Logic
+
+------------------------------------------- */
+
+#include <System.Core/Heap.hxx>
+#include <System.Core/System.Core.hxx>
+
+using namespace System;
+
+/// @brief Shared instance of the heap.
+/// @return 
+Heap* Heap::Shared() noexcept {
+  static Heap* heap = nullptr;
+
+  if (!heap) {
+    heap = new Heap();
+  }
+
+  return heap;
+}
+
+Heap::~Heap() { delete this; }
+
+void Heap::Delete(HeapPtr me) noexcept {
+  CA_MUST_PASS(me);
+  HcFreeProcessHeap(kInstanceObject, me);
+}
+
+SizeT Heap::Size(HeapPtr me) noexcept {
+  CA_MUST_PASS(me);
+  return HcProcessHeapSize(kInstanceObject, me);
+}
+
+HeapPtr Heap::New(const SizeT& sz, const Int32 flags) {
+  SizeT _sz = sz;
+  if (!_sz) ++_sz;
+
+  return HcAllocateProcessHeap(kInstanceObject, _sz, flags);
+}
\ No newline at end of file
diff --git a/Public/Kits/System.Core/HintBase.hxx b/Public/Kits/System.Core/Hint.hxx
index 86faf455..86faf455 100644
--- a/Public/Kits/System.Core/HintBase.hxx
+++ b/Public/Kits/System.Core/Hint.hxx
diff --git a/Public/Kits/System.Core/RuntimeInit.cxx b/Public/Kits/System.Core/InitRuntime.cxx
index b6022bef..01eb2c1f 100644
--- a/Public/Kits/System.Core/RuntimeInit.cxx
+++ b/Public/Kits/System.Core/InitRuntime.cxx
@@ -2,7 +2,7 @@
  (C) Mahrouss Logic
     ===========================================*/
 
-#include <System.Core/HCoreHeap.hxx>
+#include <System.Core/Heap.hxx>
 
 /// @brief Inits the C runtime
 /// @return if it was succesful or not.
diff --git a/Public/Kits/System.Core/New+Delete.cxx b/Public/Kits/System.Core/New+Delete.cxx
index cac883f4..507cb7a3 100644
--- a/Public/Kits/System.Core/New+Delete.cxx
+++ b/Public/Kits/System.Core/New+Delete.cxx
@@ -4,7 +4,7 @@
 
 ------------------------------------------- */
 
-#include <System.Core/HCoreHeap.hxx>
+#include <System.Core/Heap.hxx>
 
 void* operator new[](size_t sz) 
 {
diff --git a/Public/Kits/System.Core/System.Core.hxx b/Public/Kits/System.Core/System.Core.hxx
index b368b997..07b7199c 100644
--- a/Public/Kits/System.Core/System.Core.hxx
+++ b/Public/Kits/System.Core/System.Core.hxx
@@ -4,12 +4,11 @@
 
 #pragma once
 
-/// Core API
-#include <System.Core/HCoreBase.hxx>
-
 /// Process Heap API
-#include <System.Core/HCoreHeap.hxx>
+#include <System.Core/Heap.hxx>
 
 /// File API & Device API.
+#include <System.Core/File.hxx>
 
-/// Process & Threading API
\ No newline at end of file
+/// Process & Threading API
+#include <System.Core/Threading.hxx>
\ No newline at end of file
diff --git a/Public/Kits/System.Graphics/Core.hxx b/Public/Kits/System.Graphics/Core.hxx
index 43751891..a453e095 100644
--- a/Public/Kits/System.Graphics/Core.hxx
+++ b/Public/Kits/System.Graphics/Core.hxx
@@ -171,7 +171,7 @@ class GException final {
   const char* Reason() { return mReason; }
 
  private:
-  const char* mReason{"System.Graphics: User Interface error. Check HError."};
+  const char* mReason{"System.Graphics: Graphics exception. Check HError."};
 };
 
 template <typename GFrameType, typename GFrameBase>