Kernel and System.Core: kernel related fixes and :boom: on User API.

- UserHeap.cxx: Document code and fix issue in ke_free_heap_internal.
- Scheduler: Rename ProcessManager to ProcessScheduler.

- The System API has been reworked to improve it's design, such as no
  more C++ to improve it's portability.

- Moved containers into it's own API.

Signed-off-by: Amlal El Mahrouss <amlal@el-mahrouss-logic.com>

25 files changed, 146 insertions, 372 deletions

diff --git a/Private/Builtins/AHCI/Interface.hxx b/Private/Builtins/AHCI/Interface.hxx
index 72be3d6a..0fef6992 100644
--- a/Private/Builtins/AHCI/Interface.hxx
+++ b/Private/Builtins/AHCI/Interface.hxx
@@ -24,5 +24,5 @@ namespace HCore::Builtins {
 /// @brief Returns an AHCI handle.
 /// @param pointerAhciObject the handle to pass. 
 /// @return 
-inline Boolean HcGetHandleAHCI(_InOut ObjectPtr* pointerAhciObject);
+inline Boolean HcGetHandleAHCI(_InOut ObjectRef* pointerAhciObject);
 } // namespace HCore::Builtins
\ No newline at end of file
diff --git a/Private/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cpp b/Private/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cpp
index 8039ce8a..c55b9857 100644
--- a/Private/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cpp
+++ b/Private/HALKit/AMD64/HalCoreInterruptHandlerAMD64.cpp
@@ -9,16 +9,16 @@
 #include <NewKit/String.hpp>
 
 EXTERN_C void idt_handle_gpf(HCore::UIntPtr rsp) {
-  MUST_PASS(HCore::ProcessManager::Shared().Leak().GetCurrent());
+  MUST_PASS(HCore::ProcessScheduler::Shared().Leak().GetCurrent());
 
   HCore::kcout << "NewKernel.exe: Stack Pointer: "
                << HCore::StringBuilder::FromInt("rsp{%}", rsp);
 
   HCore::kcout
       << "NewKernel.exe: General Protection Fault, caused by "
-      << HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().GetName();
+      << HCore::ProcessScheduler::Shared().Leak().GetCurrent().Leak().GetName();
 
-  HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+  HCore::ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
 }
 
 EXTERN_C void idt_handle_scheduler(HCore::UIntPtr rsp) {
@@ -26,7 +26,7 @@ EXTERN_C void idt_handle_scheduler(HCore::UIntPtr rsp) {
 
   HCore::kcout
       << "NewKernel.exe: Will be scheduled back later "
-      << HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().GetName()
+      << HCore::ProcessScheduler::Shared().Leak().GetCurrent().Leak().GetName()
       << HCore::end_line();
 
   /// schedule another process.
@@ -38,35 +38,35 @@ EXTERN_C void idt_handle_scheduler(HCore::UIntPtr rsp) {
 EXTERN_C void idt_handle_pf(HCore::UIntPtr rsp) {
   HCore::kcout << HCore::StringBuilder::FromInt("rsp{%}", rsp);
 
-  MUST_PASS(HCore::ProcessManager::Shared().Leak().GetCurrent());
+  MUST_PASS(HCore::ProcessScheduler::Shared().Leak().GetCurrent());
 
   HCore::kcout
       << "NewKernel.exe: Segmentation Fault, caused by "
-      << HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().GetName();
+      << HCore::ProcessScheduler::Shared().Leak().GetCurrent().Leak().GetName();
 
-  HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+  HCore::ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
 }
 
 EXTERN_C void idt_handle_math(HCore::UIntPtr rsp) {
   HCore::kcout << HCore::StringBuilder::FromInt("rsp{%}", rsp);
 
-  MUST_PASS(HCore::ProcessManager::Shared().Leak().GetCurrent());
+  MUST_PASS(HCore::ProcessScheduler::Shared().Leak().GetCurrent());
 
   HCore::kcout
       << "NewKernel.exe: Math error, caused by "
-      << HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().GetName();
+      << HCore::ProcessScheduler::Shared().Leak().GetCurrent().Leak().GetName();
 
-  HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+  HCore::ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
 }
 
 EXTERN_C void idt_handle_generic(HCore::UIntPtr rsp) {
   HCore::kcout << HCore::StringBuilder::FromInt("sp{%}", rsp);
 
-  MUST_PASS(HCore::ProcessManager::Shared().Leak().GetCurrent());
+  MUST_PASS(HCore::ProcessScheduler::Shared().Leak().GetCurrent());
 
   HCore::kcout
       << "NewKernel.exe: Execution error, caused by "
-      << HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().GetName();
+      << HCore::ProcessScheduler::Shared().Leak().GetCurrent().Leak().GetName();
 
-  HCore::ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+  HCore::ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
 }
diff --git a/Private/KernelKit/ProcessScheduler.hpp b/Private/KernelKit/ProcessScheduler.hpp
index bc974a9b..4f499033 100644
--- a/Private/KernelKit/ProcessScheduler.hpp
+++ b/Private/KernelKit/ProcessScheduler.hpp
@@ -26,7 +26,7 @@
 namespace HCore {
 class ProcessHeader;
 class ProcessTeam;
-class ProcessManager;
+class ProcessScheduler;
 
 //! @brief ProcessHeader identifier.
 typedef Int64 ProcessID;
@@ -36,7 +36,7 @@ inline constexpr SizeT kProcessLen = 256U;
 
 //! @brief Forward declaration.
 class ProcessHeader;
-class ProcessManager;
+class ProcessScheduler;
 class ProcessHelper;
 
 //! @brief ProcessHeader status enum.
@@ -181,7 +181,7 @@ class ProcessHeader final {
   const AffinityKind &GetAffinity();
 
  private:
-  friend ProcessManager;
+  friend ProcessScheduler;
   friend ProcessHelper;
 };
 
@@ -206,14 +206,14 @@ using ProcessPtr = ProcessHeader *;
 
 /// @brief ProcessHeader manager class.
 /// The main class which you call to schedule an app.
-class ProcessManager final {
+class ProcessScheduler final {
  private:
-  explicit ProcessManager() = default;
+  explicit ProcessScheduler() = default;
 
  public:
-  ~ProcessManager() = default;
+  ~ProcessScheduler() = default;
 
-  HCORE_COPY_DEFAULT(ProcessManager)
+  HCORE_COPY_DEFAULT(ProcessScheduler)
 
   operator bool() { return mTeam.AsArray().Count() > 0; }
   bool operator!() { return mTeam.AsArray().Count() == 0; }
@@ -226,7 +226,7 @@ class ProcessManager final {
   Ref<ProcessHeader> &GetCurrent();
   SizeT Run() noexcept;
 
-  static Ref<ProcessManager> Shared();
+  static Ref<ProcessScheduler> Shared();
 
  private:
   ProcessTeam mTeam;
diff --git a/Private/KernelKit/ThreadLocalStorage.inl b/Private/KernelKit/ThreadLocalStorage.inl
index 4a8a816a..fe2d02d0 100644
--- a/Private/KernelKit/ThreadLocalStorage.inl
+++ b/Private/KernelKit/ThreadLocalStorage.inl
@@ -14,9 +14,9 @@ template <typename T>
 inline T* tls_new_ptr(void) {
   using namespace HCore;
 
-  MUST_PASS(ProcessManager::Shared().Leak().GetCurrent());
+  MUST_PASS(ProcessScheduler::Shared().Leak().GetCurrent());
 
-  auto ref_process = ProcessManager::Shared().Leak().GetCurrent();
+  auto ref_process = ProcessScheduler::Shared().Leak().GetCurrent();
 
   T* pointer = (T*)ref_process.Leak().New(sizeof(T));
   return pointer;
@@ -29,11 +29,11 @@ inline bool tls_delete_ptr(T* ptr) {
 
   using namespace HCore;
 
-  MUST_PASS(ProcessManager::Shared().Leak().GetCurrent());
+  MUST_PASS(ProcessScheduler::Shared().Leak().GetCurrent());
 
   ptr->~T();
 
-  auto ref_process = ProcessManager::Shared().Leak().GetCurrent();
+  auto ref_process = ProcessScheduler::Shared().Leak().GetCurrent();
   return ref_process.Leak().Delete(ptr, sizeof(T));
 }
 
diff --git a/Private/NewBoot/Source/makefile b/Private/NewBoot/Source/makefile
index 0bded801..35c473ec 100644
--- a/Private/NewBoot/Source/makefile
+++ b/Private/NewBoot/Source/makefile
@@ -1,5 +1,5 @@
 ##################################################
-# (C) Mahrouss Logic, 2024, all rights reserved.
+# (C) Mahrouss Logic,  all rights reserved.
 # This is the bootloader makefile.
 ##################################################
 
diff --git a/Private/ObjectKit/ObjectKit.hxx b/Private/ObjectKit/ObjectKit.hxx
index 744f8a61..0a388156 100644
--- a/Private/ObjectKit/ObjectKit.hxx
+++ b/Private/ObjectKit/ObjectKit.hxx
@@ -31,6 +31,6 @@ typedef struct Object final {
   HCore::Void(*Release)(struct Object* Self);
   HCore::IntPtr(*Invoke)(struct Object* Self, HCore::Int32 Sel, ...);
   HCore::Void(*Query)(struct Object* Self, HCore::VoidPtr* Dst, HCore::SizeT SzDst, HCore::XRN::GUIDSequence GuidOf);
-} Object, *ObjectPtr;
+} *ObjectRef;
 
-#define object_cast reinterpret_cast<ObjectPtr>
+#define object_cast reinterpret_cast<ObjectRef>
diff --git a/Private/Source/IndexableProperty.cxx b/Private/Source/IndexableProperty.cxx
index 4341038c..3d5152bf 100644
--- a/Private/Source/IndexableProperty.cxx
+++ b/Private/Source/IndexableProperty.cxx
@@ -11,6 +11,7 @@
 #include <NewKit/MutableArray.hpp>
 #include <NewKit/Utils.hpp>
 
+/// @brief File Indexer.
 /// BUGS: 0
 
 #define kMaxLenIndexer 256
diff --git a/Private/Source/PEFCodeManager.cxx b/Private/Source/PEFCodeManager.cxx
index ec8756d1..fc12d7a4 100644
--- a/Private/Source/PEFCodeManager.cxx
+++ b/Private/Source/PEFCodeManager.cxx
@@ -144,7 +144,7 @@ bool execute_from_image(PEFLoader &exec) noexcept {
   ProcessHeader proc(errOrStart.Leak().Leak());
   Ref<ProcessHeader> refProc = proc;
 
-  return ProcessManager::Shared().Leak().Add(refProc);
+  return ProcessScheduler::Shared().Leak().Add(refProc);
 }
 }  // namespace Utils
 
diff --git a/Private/Source/PEFSharedObjectRT.cxx b/Private/Source/PEFSharedObjectRT.cxx
index 06c5813c..dc75e8b6 100644
--- a/Private/Source/PEFSharedObjectRT.cxx
+++ b/Private/Source/PEFSharedObjectRT.cxx
@@ -39,7 +39,7 @@ EXTERN_C SharedObjectPtr rt_library_init(void) {
   SharedObjectPtr library = tls_new_class<SharedObject>();
 
   if (!library) {
-    ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+    ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
 
     return nullptr;
   }
@@ -47,16 +47,16 @@ EXTERN_C SharedObjectPtr rt_library_init(void) {
   library->Mount(tls_new_class<SharedObject::SharedObjectTrait>());
 
   if (!library->Get()) {
-    ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+    ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
 
     return nullptr;
   }
 
   library->Get()->fImageObject =
-      ProcessManager::Shared().Leak().GetCurrent().Leak().Image;
+      ProcessScheduler::Shared().Leak().GetCurrent().Leak().Image;
 
   if (!library->Get()->fImageObject) {
-    ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+    ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
 
     return nullptr;
   }
@@ -79,7 +79,7 @@ EXTERN_C Void rt_library_free(SharedObjectPtr lib, bool *successful) {
   // sanity check (will also trigger a bug check)
   if (lib == nullptr) {
     *successful = false;
-    ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+    ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
   }
 
   delete lib->Get();
diff --git a/Private/Source/ProcessScheduler.cxx b/Private/Source/ProcessScheduler.cxx
index a2c47225..ebcf82c0 100644
--- a/Private/Source/ProcessScheduler.cxx
+++ b/Private/Source/ProcessScheduler.cxx
@@ -5,7 +5,7 @@
 ------------------------------------------- */
 
 /***********************************************************************************/
-/// @file ProcessManager.cxx
+/// @file ProcessScheduler.cxx
 /// @brief ProcessHeader Scheduler API.
 /***********************************************************************************/
 
@@ -32,7 +32,7 @@ const Int32 &rt_get_exit_code() noexcept { return kExitCode; }
 /***********************************************************************************/
 
 void ProcessHeader::Crash() {
-  kcout << "ProcessManager: Crashed, ExitCode: -1.\r\n";
+  kcout << "ProcessScheduler: Crashed, ExitCode: -1.\r\n";
   MUST_PASS(!ke_bug_check());
 
   this->Exit(-1);
@@ -115,11 +115,11 @@ const AffinityKind &ProcessHeader::GetAffinity() { return this->Affinity; }
 */
 void ProcessHeader::Exit(Int32 exit_code) {
   if (this->ProcessId !=
-      ProcessManager::Shared().Leak().GetCurrent().Leak().ProcessId)
+      ProcessScheduler::Shared().Leak().GetCurrent().Leak().ProcessId)
     ke_stop(RUNTIME_CHECK_PROCESS);
 
   if (this->Ring == (Int32)ProcessSelector::kRingKernel &&
-      ProcessManager::Shared().Leak().GetCurrent().Leak().Ring > 0)
+      ProcessScheduler::Shared().Leak().GetCurrent().Leak().Ring > 0)
     ke_stop(RUNTIME_CHECK_PROCESS);
 
   kExitCode = exit_code;
@@ -141,15 +141,15 @@ void ProcessHeader::Exit(Int32 exit_code) {
   this->Image = nullptr;
   this->StackFrame = nullptr;
 
-  ProcessManager::Shared().Leak().Remove(this->ProcessId);
+  ProcessScheduler::Shared().Leak().Remove(this->ProcessId);
 }
 
-SizeT ProcessManager::Add(Ref<ProcessHeader> &process) {
+SizeT ProcessScheduler::Add(Ref<ProcessHeader> &process) {
   if (!process) return -1;
 
   if (process.Leak().Ring != (Int32)ProcessSelector::kRingKernel) return -1;
 
-  kcout << "ProcessManager::Add(Ref<ProcessHeader>& process)\r\n";
+  kcout << "ProcessScheduler::Add(Ref<ProcessHeader>& process)\r\n";
 
   process.Leak().HeapPtr = rt_new_heap(kUserHeapUser | kUserHeapRw);
   process.Leak().ProcessId = mTeam.AsArray().Count();
@@ -180,15 +180,15 @@ SizeT ProcessManager::Add(Ref<ProcessHeader> &process) {
   return mTeam.AsArray().Count() - 1;
 }
 
-bool ProcessManager::Remove(SizeT process) {
+bool ProcessScheduler::Remove(SizeT process) {
   if (process > mTeam.AsArray().Count()) return false;
 
-  kcout << "ProcessManager::Remove(SizeT process)\r\n";
+  kcout << "ProcessScheduler::Remove(SizeT process)\r\n";
 
   return mTeam.AsArray().Remove(process);
 }
 
-SizeT ProcessManager::Run() noexcept {
+SizeT ProcessScheduler::Run() noexcept {
   SizeT processIndex = 0;  //! we store this guy to tell the scheduler how many
                            //! things we have scheduled.
 
@@ -219,16 +219,16 @@ SizeT ProcessManager::Run() noexcept {
   return processIndex;
 }
 
-Ref<ProcessManager> ProcessManager::Shared() {
-  static ProcessManager ref;
+Ref<ProcessScheduler> ProcessScheduler::Shared() {
+  static ProcessScheduler ref;
   return {ref};
 }
 
-Ref<ProcessHeader> &ProcessManager::GetCurrent() { return mTeam.AsRef(); }
+Ref<ProcessHeader> &ProcessScheduler::GetCurrent() { return mTeam.AsRef(); }
 
 PID &ProcessHelper::GetCurrentPID() {
   kcout << "ProcessHelper::GetCurrentPID: Leaking ProcessId...\r\n";
-  return ProcessManager::Shared().Leak().GetCurrent().Leak().ProcessId;
+  return ProcessScheduler::Shared().Leak().GetCurrent().Leak().ProcessId;
 }
 
 bool ProcessHelper::CanBeScheduled(Ref<ProcessHeader> &process) {
@@ -255,12 +255,12 @@ bool ProcessHelper::CanBeScheduled(Ref<ProcessHeader> &process) {
  */
 bool ProcessHelper::StartScheduling() {
   if (ProcessHelper::CanBeScheduled(
-          ProcessManager::Shared().Leak().GetCurrent())) {
-    --ProcessManager::Shared().Leak().GetCurrent().Leak().PTime;
+          ProcessScheduler::Shared().Leak().GetCurrent())) {
+    --ProcessScheduler::Shared().Leak().GetCurrent().Leak().PTime;
     return false;
   }
 
-  auto processRef = ProcessManager::Shared().Leak();
+  auto processRef = ProcessScheduler::Shared().Leak();
 
   if (!processRef)
     return false;  // we have nothing to schedule. simply return.
diff --git a/Private/Source/ThreadLocalStorage.cxx b/Private/Source/ThreadLocalStorage.cxx
index 45a52e46..c75c1c5a 100644
--- a/Private/Source/ThreadLocalStorage.cxx
+++ b/Private/Source/ThreadLocalStorage.cxx
@@ -47,7 +47,7 @@ EXTERN_C Void tls_check_syscall_impl(HCore::HAL::StackFramePtr stackPtr) noexcep
 
   if (!tls_check_tib(tib)) {
     kcout << "NewKernel.exe: Verification failed, Crashing...\n";
-    ProcessManager::Shared().Leak().GetCurrent().Leak().Crash();
+    ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
   }
 
   kcout << "NewKernel.exe: Verification succeeded! Keeping on...\n";
diff --git a/Private/Source/Timer.cxx b/Private/Source/Timer.cxx
index ecca679a..af9aea25 100644
--- a/Private/Source/Timer.cxx
+++ b/Private/Source/Timer.cxx
@@ -10,8 +10,11 @@
 
 using namespace HCore;
 
+/// @brief Unimplemented as it is an interface.
 Int32 HardwareTimerInterface::Wait() noexcept { return H_UNIMPLEMENTED; }
 
+/// @brief HardwareTimer class, meant to be generic.
+
 HardwareTimer::HardwareTimer(Int64 seconds) : fWaitFor(seconds) {}
 HardwareTimer::~HardwareTimer() { fWaitFor = 0; }
 
diff --git a/Private/Source/UserHeap.cxx b/Private/Source/UserHeap.cxx
index 45b29d51..4b172d11 100644
--- a/Private/Source/UserHeap.cxx
+++ b/Private/Source/UserHeap.cxx
@@ -6,6 +6,7 @@
 
 #include <NewKit/PageManager.hpp>
 #include <KernelKit/UserHeap.hpp>
+#include <KernelKit/ProcessScheduler.hpp>
 
 #define kHeapHeaderPaddingSz 16
 
@@ -60,6 +61,9 @@ STATIC Void ke_free_heap_internal(VoidPtr vaddr);
 STATIC VoidPtr ke_make_heap(VoidPtr vaddr, Int flags);
 STATIC Boolean ke_check_and_free_heap(const SizeT& index, VoidPtr ptr);
 
+/// @brief Find an unused heap header to allocate on.
+/// @param flags the flags to use.
+/// @return 
 STATIC VoidPtr ke_find_unused_heap(Int flags) {
   for (SizeT index = 0; index < kUserHeapMaxSz; ++index) {
     if (HeapManager::The()[index] &&
@@ -80,6 +84,10 @@ STATIC VoidPtr ke_find_unused_heap(Int flags) {
   return nullptr;
 }
 
+/// @brief Makes a new heap for the process to use.
+/// @param virtualAddress the virtual address of the process.
+/// @param flags the flags.
+/// @return 
 STATIC VoidPtr ke_make_heap(VoidPtr virtualAddress, Int flags) {
   if (virtualAddress) {
     UserHeapHeader* poolHdr = reinterpret_cast<UserHeapHeader*>(virtualAddress);
@@ -102,14 +110,21 @@ STATIC VoidPtr ke_make_heap(VoidPtr virtualAddress, Int flags) {
   return nullptr;
 }
 
+/// @brief Internally makrs the heap as free.
+/// This is done by setting the fFree bit to true
+/// @param virtualAddress 
+/// @return 
 STATIC Void ke_free_heap_internal(VoidPtr virtualAddress) {
   UserHeapHeader* poolHdr = reinterpret_cast<UserHeapHeader*>(
       reinterpret_cast<UIntPtr>(virtualAddress) - sizeof(UserHeapHeader));
 
   if (poolHdr->fMagic == kUserHeapMag) {
-    MUST_PASS(poolHdr->fFree);
+    if (!poolHdr->fFree) {
+      ProcessScheduler::Shared().Leak().GetCurrent().Leak().Crash();
+      return;
+    }
 
-    poolHdr->fFree = false;
+    poolHdr->fFree = true;
     poolHdr->fFlags = 0;
 
     kcout << "[ke_free_heap_internal] Successfully marked header as free!\r\n";
diff --git a/Private/makefile b/Private/makefile
index b7e99049..bf068f14 100644
--- a/Private/makefile
+++ b/Private/makefile
@@ -1,5 +1,5 @@
 ##################################################
-# (C) Mahrouss Logic, 2024, all rights reserved.
+# (C) Mahrouss Logic,  all rights reserved.
 # This is the microkernel makefile.
 ##################################################
 
@@ -25,10 +25,9 @@ error:
 
 MOVEALL=./MoveAll.sh
 
-.PHONY: h-core-amd64-pc
-h-core-amd64-pc: clean
-	$(CC) $(CCFLAGS) $(DEBUG) Source/*.cxx HALKit/AMD64/Storage/*.cxx HALKit/AMD64/PCI/*.cxx Source/Network/*.cxx\
-		Source/Storage/*.cxx HALKit/AMD64/*.cxx HALKit/AMD64/*.cpp HALKit/AMD64/*.s
+.PHONY: h-core-amd64-epm
+h-core-amd64-epm: clean
+	$(CC) $(CCFLAGS) $(DEBUG) $(wildcard Source/*.cxx HALKit/AMD64/Storage/*.cxx) $(wildcard HALKit/AMD64/PCI/*.cxx) $(wildcard Source/Network/*.cxx) $(wildcard Source/Storage/*.cxx) $(wildcard HALKit/AMD64/*.cxx) $(wildcard HALKit/AMD64/*.cpp) $(wildcard HALKit/AMD64/*.s)
 	$(ASM) $(ASMFLAGS) HALKit/AMD64/HalInterruptAPI.asm
 	$(ASM) $(ASMFLAGS) HALKit/AMD64/HalSMPCoreManager.asm
 	$(ASM) $(ASMFLAGS) HALKit/AMD64/HalNewBoot.asm
@@ -37,13 +36,13 @@ h-core-amd64-pc: clean
 
 OBJCOPY=x86_64-w64-mingw32-objcopy 
 
-.PHONY: link-amd64-pc
-link-amd64-pc:
+.PHONY: link-amd64-epm
+link-amd64-epm:
 	$(LD) $(LDFLAGS) $(LDOBJ) -o $(KERNEL)
 	cp $(KERNEL) Root/Boot
 
 .PHONY: all
-all: h-core-amd64-pc link-amd64-pc
+all: h-core-amd64-epm link-amd64-epm
 	@echo "Fully built."
 
 
diff --git a/Public/Developer/System.Core/Headers/Containers/ODF.hxx b/Public/Developer/System.Containers/Headers/ODF.hxx
index 266726bf..266726bf 100644
--- a/Public/Developer/System.Core/Headers/Containers/ODF.hxx
+++ b/Public/Developer/System.Containers/Headers/ODF.hxx
diff --git a/Public/Developer/System.Core/Headers/Containers/XIFF.hxx b/Public/Developer/System.Containers/Headers/XIFF.hxx
index 4c97e2a3..4c97e2a3 100644
--- a/Public/Developer/System.Core/Headers/Containers/XIFF.hxx
+++ b/Public/Developer/System.Containers/Headers/XIFF.hxx
diff --git a/Public/Developer/System.Core/AMD64/HCoreAssemblyRoutines.s b/Public/Developer/System.Core/AMD64/HCoreAssemblyRoutines.s
index a61d6d1f..3876175b 100644
--- a/Public/Developer/System.Core/AMD64/HCoreAssemblyRoutines.s
+++ b/Public/Developer/System.Core/AMD64/HCoreAssemblyRoutines.s
@@ -4,12 +4,12 @@
 
 .section .text
 
-.globl HcGetInstanceObject
+.globl HcGetAppObject
 .globl __assert_chk_fail
 
 /* @brief Process object getter */
 /* @throws: ApptError: appartement error. */
-HcGetInstanceObject:
+HcGetAppObject:
     mov $0x10, %rcx /* sysGetProcessObject */
     int $0x21
 
diff --git a/Public/Developer/System.Core/Headers/Defines.hxx b/Public/Developer/System.Core/Headers/Defines.hxx
index 867dac76..9d6d84ee 100644
--- a/Public/Developer/System.Core/Headers/Defines.hxx
+++ b/Public/Developer/System.Core/Headers/Defines.hxx
@@ -136,77 +136,6 @@ enum HcProcessCall {
 
 #include <System.Core/Headers/Hint.hxx>
 
-class SystemException {
- public:
-  explicit SystemException() = default;
-  virtual ~SystemException() = default;
-
- public:
-  CA_COPY_DEFAULT(SystemException);
-
- public:
-  virtual const char *Name() = 0;
-  virtual const char *Reason() = 0;
-
-};
-
-/// @brief Object exception
-/// Throws when the object isn't found.
-class ObjectNotFoundException : public SystemException {
- public:
-  explicit ObjectNotFoundException() = default;
-  virtual ~ObjectNotFoundException() = default;
-
- public:
-  CA_COPY_DEFAULT(ObjectNotFoundException);
-
- public:
-  const char *Name() override { return "ObjectNotFoundException"; } 
-  const char *Reason() override { return mReason; }
-
- private:
-  const char *mReason{
-      "System.Core: ObjectNotFoundException: Catastrophic failure!"};
-};
-
-/// @brief pointer exception
-/// Throws when the object isn't found.
-class PointerException : public SystemException {
- public:
-  explicit PointerException() = default;
-  virtual ~PointerException() = default;
-
- public:
-  CA_COPY_DEFAULT(PointerException);
-
- public:
-  const char *Name() override { return "PointerException"; } 
-  const char *Reason() override { return mReason; }
-
- private:
-  const char *mReason{
-      "System.Core: PointerException: Catastrophic failure!"};
-};
-
-/// @brief pointer exception
-/// Throws when the object isn't found.
-class NullPointerException : public SystemException {
- public:
-  explicit NullPointerException() = default;
-  virtual ~NullPointerException() = default;
-
- public:
-  CA_COPY_DEFAULT(NullPointerException);
-
- public:
-  const char *Name() override { return "NullPointerException"; } 
-  const char *Reason() override { return mReason; }
-
- private:
-  const char *mReason{
-      "System.Core: NullPointerException: Catastrophic failure!"};
-};
-
 #define kObjectGlobalNamespaceSystem "HCORE_ROOT\\"
 #define kObjectGlobalNamespaceUser "HCORE_USER_ROOT\\"
 
@@ -241,10 +170,15 @@ typedef struct Object final {
   VoidType(*Release)(struct Object* Self);
   IntPtrType(*Invoke)(struct Object* Self, DWordType Sel, ...);
   VoidType(*Query)(struct Object* Self, PtrVoidType* Dst, SizeType SzDst, struct GUID* GuidOf);
-} Object, *ObjectPtr;
+} *ObjectRef;
+
+#define object_cast reinterpret_cast<ObjectRef>
+
+CA_EXTERN_C ObjectRef HcGetAppObject(VoidType);
 
-#define object_cast reinterpret_cast<ObjectPtr>
+CA_INLINE ObjectRef kApplicationObject;
 
-CA_EXTERN_C ObjectPtr HcGetInstanceObject(void);
+typedef CharacterTypeUTF8 Str255Type[255];
 
-CA_INLINE ObjectPtr kApplicationObject;
+template <SizeType N>
+using StrType = CharacterTypeUTF8[N];
diff --git a/Public/Developer/System.Core/Headers/File.hxx b/Public/Developer/System.Core/Headers/File.hxx
deleted file mode 100644
index 3d3abf13..00000000
--- a/Public/Developer/System.Core/Headers/File.hxx
+++ /dev/null
@@ -1,120 +0,0 @@
-/* -------------------------------------------
-
-    Copyright Mahrouss Logic
-
-------------------------------------------- */
-
-#ifndef __FILE_API__
-#define __FILE_API__
-
-#include <System.Core/Headers/Defines.hxx>
-
-#define kFileOpenInterface 10
-#define kFileAliasInterface 11
-
-namespace System {
-class FileInterface;
-class DirectoryInterface;
-
-typedef IntPtrType FSRef;
-
-enum {
-  kErrorNoSuchPath = -44,
-  kErrorNotAFile = -45,
-  kErrorNotADirectory = -46,
-  kErrorDirectory = -47,
-  kErrorBrokenSymlink = -48,
-};
-
-/// @brief System file interface
-
-class FileInterface final {
- public:
-  explicit FileInterface(const char *path) {
-    CA_MUST_PASS(path);
-
-    mHandle = kApplicationObject->Invoke(
-        kApplicationObject, kProcessCallOpenHandle, kFileOpenInterface, path);
-  }
-
-  ~FileInterface() {
-    CA_MUST_PASS(kApplicationObject);
-
-    kApplicationObject->Invoke(kApplicationObject, kProcessCallCloseHandle,
-                               kFileOpenInterface, mHandle);
-  }
-
- public:
-  CA_COPY_DEFAULT(FileInterface);
-
- public:
-  PtrVoidType ReadFork(const CharacterTypeUTF8* name, UIntPtrType off, SizeType sz) {
-    return (PtrVoidType)kApplicationObject->Invoke(kApplicationObject, mHandle,
-                                                   2, name, off, sz);
-  }
-
-  PtrVoidType ReadFork(const CharacterTypeUTF8* name, SizeType sz) {
-    return (PtrVoidType)kApplicationObject->Invoke(kApplicationObject, mHandle,
-                                                   name, 3, sz);
-  }
-
-  void WriteFork(const CharacterTypeUTF8* name, PtrVoidType buf, UIntPtrType off, SizeType sz) {
-    kApplicationObject->Invoke(kApplicationObject, mHandle, 4, name, buf, off, sz);
-  }
-
-  void WriteFork(const CharacterTypeUTF8* name, PtrVoidType buf, SizeType sz) {
-    kApplicationObject->Invoke(kApplicationObject, mHandle, 5, name, buf, sz);
-  }
-
-  void SeekFork(const CharacterTypeUTF8* name) {
-    kApplicationObject->Invoke(kApplicationObject, mHandle, 6, name);
-  }
-
-  void RewindFork() { kApplicationObject->Invoke(kApplicationObject, mHandle, 7); }
-
- public:
-  const CharacterTypeUTF8 *MIME() {
-    return (const char *)kApplicationObject->Invoke(kApplicationObject, mHandle,
-                                                    8);
-  }
-
-  void MIME(const CharacterTypeUTF8 *mime) {
-    CA_MUST_PASS(mime);
-
-    kApplicationObject->Invoke(kApplicationObject, mHandle, 9, mime);
-  }
-
- private:
-  FSRef mHandle;
-};
-
-typedef FileInterface *FilePtr;
-
-/// @brief file exception
-/// Throws when the file isn't found or invalid.
-class FileException : public SystemException {
- public:
-  explicit FileException() = default;
-  virtual ~FileException() = default;
-
- public:
-  CA_COPY_DEFAULT(FileException);
-
- public:
-  const char *Name() override { return "FileException"; }
-  const char *Reason() override { return mReason; }
-
- private:
-  const char *mReason{"System.Core: FileException: Catastrophic failure!"};
-};
-
-inline IntPtrType FSMakeAlias(const char *from, const char *outputWhere) {
-  CA_MUST_PASS(from);
-  CA_MUST_PASS(outputWhere);
-
-  return kApplicationObject->Invoke(kApplicationObject, kProcessCallOpenHandle,
-                                    kFileAliasInterface, from);
-}
-}  // namespace System
-
-#endif  // ifndef __FILE_API__
diff --git a/Public/Developer/System.Core/Headers/Heap.hxx b/Public/Developer/System.Core/Headers/Heap.hxx
index 8fea34d4..98ee5bd2 100644
--- a/Public/Developer/System.Core/Headers/Heap.hxx
+++ b/Public/Developer/System.Core/Headers/Heap.hxx
@@ -8,57 +8,25 @@
 
 #include <System.Core/Headers/Defines.hxx>
 
-namespace System {
-class HeapException;
-class HeapInterface;
+#define kAllocationTypes 2
 
-typedef PtrVoidType HeapRef;
-
-enum {
-  kHeapExpandable = 2,
-  kHeapNoExecute = 4,
-  kHeapShared = 6,
-  kHeapReadOnly = 8,
-  kHeapNoFlags = 0
-};
-
-class HeapInterface final {
- private:
-  explicit HeapInterface();
-
- public:
-  ~HeapInterface();
-
- public:
-  CA_COPY_DEFAULT(HeapInterface);
-
- public:
-  static HeapInterface *Shared() noexcept;
-
- public:
-  void Delete(HeapRef me) noexcept;
-  SizeType Size(HeapRef me) noexcept;
-  HeapRef New(const SizeType &sz, 
-  const DWordType flags = kHeapNoFlags);
-};
-
-
-/// @brief heap exception
-/// Throws when the heap pointer isn't found or invalid.
-class HeapException : public SystemException {
- public:
-  explicit HeapException() = default;
-  virtual ~HeapException() = default;
-
- public:
-  CA_COPY_DEFAULT(HeapException);
-
- public:
-  const char *Name() override { return "HeapException"; }
-  const char *Reason() override { return mReason; }
-
- private:
-  const char *mReason{"System.Core: HeapException: Catastrophic failure!"};
+enum HcAllocationKind {
+  kStandardAllocation = 0xC,
+  kArrayAllocation = 0xD,
 };
 
-}  // namespace System
+/// @brief Allocates a new heap from process pool.
+/// @param refObj 
+/// @param sz 
+/// @param flags 
+/// @return 
+CA_EXTERN_C PtrVoidType HcAllocateProcessHeap(ObjectRef refObj, QWordType sz,
+                                              DWordType flags);
+
+/// @brief Check if pointer exists.
+/// @param refObj 
+/// @param ptr 
+/// @return 
+CA_EXTERN_C BooleanType HcProcessHeapExists(ObjectRef refObj, PtrVoidType ptr);
+CA_EXTERN_C QWordType HcProcessHeapSize(ObjectRef refObj, PtrVoidType ptr);
+CA_EXTERN_C VoidType HcFreeProcessHeap(ObjectRef refObj, PtrVoidType ptr);
diff --git a/Public/Developer/System.Core/Headers/Window/Window.hxx b/Public/Developer/System.Core/Headers/Window/Window.hxx
index 5eb1b3ce..4c79d50b 100644
--- a/Public/Developer/System.Core/Headers/Window/Window.hxx
+++ b/Public/Developer/System.Core/Headers/Window/Window.hxx
@@ -77,11 +77,23 @@ CA_EXTERN_C ControlRef CreateControl(const DWordType id);
 /// @return 
 CA_EXTERN_C VoidType ReleaseControl(const ControlRef id);
 
-CA_EXTERN_C BooleanType MoveControl(const ControlRef id, GraphicsPoint where);
+/// @brief Moves a control inside a GraphicsPort.
+/// @param id the control ref.
+/// @param where where to move at.
+/// @return 
+CA_EXTERN_C Int32Type SetControlPosition(const ControlRef id, GraphicsPoint where);
 
-CA_EXTERN_C BooleanType EnableControl(const ControlRef id, BooleanType visible);
+/// @brief Enable control.
+/// @param id 
+/// @param enabled 
+/// @return 
+CA_EXTERN_C Int32Type SetControlEnabled(const ControlRef id, BooleanType enabled);
 
-CA_EXTERN_C BooleanType VisibleControl(const ControlRef id, BooleanType visible);
+/// @brief Make control visible.
+/// @param id 
+/// @param visible 
+/// @return 
+CA_EXTERN_C Int32Type MakeControlVisible(const ControlRef id, BooleanType visible);
 
 /// @brief Creates a new window.
 /// @param name the window name
@@ -104,3 +116,16 @@ CA_EXTERN_C VoidType ReleaseWindow(GraphicsPort* port);
 /// @param port the menu port.
 /// @return void
 CA_EXTERN_C VoidType ReleaseMenu(GraphicsPort* port);
+
+/// @brief Moves a window on the desktop. (menu arent movable, will return kErrIncompatible is menu is provided.)
+/// @param id the gfx port.
+/// @param where to move.
+/// @return error code.
+CA_EXTERN_C Int32Type MoveWindow(const GraphicsPort* id, GraphicsPoint where);
+
+enum {
+  kWinErrIncompatible = 0x74,
+  kWinErrOutOfMemory,
+  kWinErrInvalidArg,
+  kWinErrNotImplemented,
+};
diff --git a/Public/Developer/System.Core/Makefile b/Public/Developer/System.Core/Makefile
index 28ce0bea..c4a97c30 100644
--- a/Public/Developer/System.Core/Makefile
+++ b/Public/Developer/System.Core/Makefile
@@ -1,5 +1,5 @@
 ##################################################
-# (C) Mahrouss Logic, 2024, all rights reserved.
+# (C) Mahrouss Logic,  all rights reserved.
 # This is the System.Graphics Makefile.
 ##################################################
 
diff --git a/Public/Developer/System.Core/Sources/LibEntrypoint.cxx b/Public/Developer/System.Core/Sources/CRT0.cxx
index b874ef55..a0235e68 100644
--- a/Public/Developer/System.Core/Sources/LibEntrypoint.cxx
+++ b/Public/Developer/System.Core/Sources/CRT0.cxx
@@ -6,8 +6,8 @@
 
 /// @brief Inits the DLL.
 /// @return if it was succesful or not.
-DWordType __DllMain(VoidType) {
-  kApplicationObject = HcGetInstanceObject();
+CA_EXTERN_C DWordType __DllMain(VoidType) {
+  kApplicationObject = HcGetAppObject();
   CA_MUST_PASS(kApplicationObject);
 
   return 0;
diff --git a/Public/Developer/System.Core/Sources/Heap.cxx b/Public/Developer/System.Core/Sources/Heap.cxx
index 370693cc..fcd80a7f 100644
--- a/Public/Developer/System.Core/Sources/Heap.cxx
+++ b/Public/Developer/System.Core/Sources/Heap.cxx
@@ -11,7 +11,7 @@
 /// @param sz size of object.
 /// @param flags flags.
 /// @return
-CA_EXTERN_C PtrVoidType HcAllocateProcessHeap(ObjectPtr refObj, QWordType sz,
+CA_EXTERN_C PtrVoidType HcAllocateProcessHeap(ObjectRef refObj, QWordType sz,
                                               DWordType flags) {
   CA_MUST_PASS(sz);
   CA_MUST_PASS(flags);
@@ -22,7 +22,7 @@ CA_EXTERN_C PtrVoidType HcAllocateProcessHeap(ObjectPtr refObj, QWordType sz,
 /// @brief Free pointer from the user's heap.
 /// @param refObj Process object.
 /// @param ptr the pointer to free.
-CA_EXTERN_C VoidType HcFreeProcessHeap(ObjectPtr refObj, PtrVoidType ptr) {
+CA_EXTERN_C VoidType HcFreeProcessHeap(ObjectRef refObj, PtrVoidType ptr) {
   CA_MUST_PASS(ptr);
   CA_UNREFERENCED_PARAMETER(refObj->Invoke(refObj, kProcessCallFreePtr, ptr));
 }
@@ -31,7 +31,7 @@ CA_EXTERN_C VoidType HcFreeProcessHeap(ObjectPtr refObj, PtrVoidType ptr) {
 /// @param refObj Process object.
 /// @param ptr the pointer to find.
 /// @return the size.
-CA_EXTERN_C QWordType HcProcessHeapSize(ObjectPtr refObj, PtrVoidType ptr) {
+CA_EXTERN_C QWordType HcProcessHeapSize(ObjectRef refObj, PtrVoidType ptr) {
   CA_MUST_PASS(ptr);
   return refObj->Invoke(refObj, kProcessCallSizePtr, ptr);
 }
@@ -40,44 +40,7 @@ CA_EXTERN_C QWordType HcProcessHeapSize(ObjectPtr refObj, PtrVoidType ptr) {
 /// @param refObj Process object.
 /// @param ptr the pointer to check.
 /// @return if it exists
-CA_EXTERN_C BooleanType HcProcessHeapExists(ObjectPtr refObj, PtrVoidType ptr) {
+CA_EXTERN_C BooleanType HcProcessHeapExists(ObjectRef refObj, PtrVoidType ptr) {
   CA_MUST_PASS(ptr);
   return refObj->Invoke(refObj, kProcessCallCheckPtr, ptr);
 }
-
-using namespace System;
-
-/// @brief Shared instance of the heap.
-/// @return
-HeapInterface* HeapInterface::Shared() noexcept {
-  static HeapInterface* heap = nullptr;
-
-  if (!heap) {
-    heap = new HeapInterface();
-  }
-
-  return heap;
-}
-
-HeapInterface::HeapInterface() {
-  CA_MUST_PASS(HcProcessHeapExists(kApplicationObject, (PtrVoidType)this));
-}
-
-HeapInterface::~HeapInterface() { delete this; }
-
-void HeapInterface::Delete(HeapRef me) noexcept {
-  CA_MUST_PASS(me);
-  HcFreeProcessHeap(kApplicationObject, me);
-}
-
-SizeType HeapInterface::Size(HeapRef me) noexcept {
-  CA_MUST_PASS(me);
-  return HcProcessHeapSize(kApplicationObject, me);
-}
-
-HeapRef HeapInterface::New(const SizeType& sz, const DWordType flags) {
-  SizeType _sz = sz;
-  if (!_sz) ++_sz;
-
-  return HcAllocateProcessHeap(kApplicationObject, _sz, flags);
-}
diff --git a/Public/Developer/System.Core/Sources/New+Delete.cxx b/Public/Developer/System.Core/Sources/New+Delete.cxx
index 98674a73..6e40aa06 100644
--- a/Public/Developer/System.Core/Sources/New+Delete.cxx
+++ b/Public/Developer/System.Core/Sources/New+Delete.cxx
@@ -5,20 +5,6 @@
 ------------------------------------------- */
 
 #include <System.Core/Headers/Heap.hxx>
-#include <System.Core/Headers/Heap.hxx>
-
-#define kAllocationTypes 2
-
-enum HcAllocationKind {
-  kStandardAllocation = 0xC,
-  kArrayAllocation = 0xD,
-};
-
-CA_EXTERN_C PtrVoidType HcAllocateProcessHeap(ObjectPtr refObj, QWordType sz,
-                                              DWordType flags);
-CA_EXTERN_C BooleanType HcProcessHeapExists(ObjectPtr refObj, PtrVoidType ptr);
-CA_EXTERN_C QWordType HcProcessHeapSize(ObjectPtr refObj, PtrVoidType ptr);
-CA_EXTERN_C VoidType HcFreeProcessHeap(ObjectPtr refObj, PtrVoidType ptr);
 
 typedef SizeType size_t;