feat: Assign ThreadID to APIC's ProcessID when initialzing APs.

refactor: Cleanup copyright headers and source code.

feat: Add PrinterNetworkDevice, and DBGNetworkDevice.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

17 files changed, 89 insertions, 84 deletions

diff --git a/dev/kernel/DmaKit/DmaPool.h b/dev/kernel/DmaKit/DmaPool.h
index 5acff623..d15346b8 100644
--- a/dev/kernel/DmaKit/DmaPool.h
+++ b/dev/kernel/DmaKit/DmaPool.h
@@ -1,24 +1,11 @@
-/*
- * Copyright (c) 2025 Amlal El Mahrouss. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
+/* -------------------------------------------
+
+  Copyright (C) 2025, Amlal El Mahrouss , all rights reserved.
+
+  File: FileMgr.h
+  Purpose: Kernel file manager.
+
+------------------------------------------- */
 
 #pragma once
 
diff --git a/dev/kernel/FirmwareKit/EFI/EFI.h b/dev/kernel/FirmwareKit/EFI/EFI.h
index 3512191a..ed22f1e9 100644
--- a/dev/kernel/FirmwareKit/EFI/EFI.h
+++ b/dev/kernel/FirmwareKit/EFI/EFI.h
@@ -42,7 +42,7 @@ struct EfiDevicePathProtocol;
 struct EfiBootServices;
 struct EfiMemoryDescriptor;
 struct EfiSystemTable;
-struct EfiGUID;
+struct EFI_GUID;
 struct EfiFileDevicePathProtocol;
 struct EfiHandle;
 struct EfiGraphicsOutputProtocol;
@@ -85,9 +85,9 @@ typedef UInt64(EFI_API* EfiCopyMem)(VoidPtr DstBuf, VoidPtr SrcBuf, SizeT Length
 
 typedef UInt64(EFI_API* EfiSetMem)(VoidPtr DstBuf, Char Byte, SizeT Length);
 
-typedef UInt64(EFI_API* EfiHandleProtocol)(EfiHandlePtr Handle, EfiGUID* Guid, VoidPtr* Device);
+typedef UInt64(EFI_API* EfiHandleProtocol)(EfiHandlePtr Handle, EFI_GUID* Guid, VoidPtr* Device);
 
-typedef UInt64(EFI_API* EfiLocateDevicePath)(EfiGUID* Protocol, EfiDevicePathProtocol** DevicePath,
+typedef UInt64(EFI_API* EfiLocateDevicePath)(EFI_GUID* Protocol, EfiDevicePathProtocol** DevicePath,
                                              EfiHandlePtr Device);
 
 typedef UInt64(EFI_API* EfiStartImage)(EfiHandlePtr Handle, VoidPtr ArgsSize, VoidPtr ArgsPtr);
@@ -495,12 +495,12 @@ typedef UInt64(EFI_API* EfiGetMemoryMap)(UInt32* MapSize, EfiMemoryDescriptor* D
 /**
  * @brief GUID type, something you can also find in CFKit.
  */
-typedef struct EfiGUID EFI_FINAL {
+typedef struct EFI_GUID EFI_FINAL {
   UInt32 Data1;
   UInt16 Data2;
   UInt16 Data3;
   UInt8  Data4[8];
-} EfiGUID;
+} EFI_GUID;
 
 /***
  * Protocol stuff...
@@ -519,10 +519,10 @@ typedef struct EfiGUID EFI_FINAL {
 #define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010
 #define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020
 
-typedef UInt64(EFI_API* EfiLocateProtocol)(EfiGUID* Protocol, VoidPtr Registration,
+typedef UInt64(EFI_API* EfiLocateProtocol)(EFI_GUID* Protocol, VoidPtr Registration,
                                            VoidPtr* Interface);
 
-typedef UInt64(EFI_API* EfiOpenProtocol)(EfiHandlePtr Handle, EfiGUID* Guid, VoidPtr* Interface,
+typedef UInt64(EFI_API* EfiOpenProtocol)(EfiHandlePtr Handle, EFI_GUID* Guid, VoidPtr* Interface,
                                          EfiHandlePtr AgentHandle, EfiHandlePtr ControllerHandle,
                                          UInt32 Attributes);
 
@@ -633,10 +633,10 @@ struct EfiSimpleFilesystemProtocol {
 typedef struct EfiRuntimeServices {
   EfiTableHeader SystemTable;
   VoidPtr GetTime, SetTime, GetWakeupTime, SetWakeupTime, SetVirtualAddressMap, ConvertPointer;
-  UInt64(EFI_API* GetVariable)(const WideChar* Name, EfiGUID VendorGUID, UInt32* Attributes,
+  UInt64(EFI_API* GetVariable)(const WideChar* Name, EFI_GUID VendorGUID, UInt32* Attributes,
                                UInt32* DataSize, VoidPtr Data);
   VoidPtr GetNextVariable;
-  UInt64(EFI_API* SetVariable)(const WideChar* Name, EfiGUID VendorGUID, UInt32* Attributes,
+  UInt64(EFI_API* SetVariable)(const WideChar* Name, EFI_GUID VendorGUID, UInt32* Attributes,
                                UInt32* DataSize, VoidPtr Data);
   VoidPtr GetNextHighMonotonicCount;
   VoidPtr ResetSystem;
@@ -663,7 +663,7 @@ typedef struct EfiSystemTable {
   UInt64                       NumberOfTableEntries;
   /// The configuration table (contains the RSD PTR entry.)
   struct {
-    EfiGUID VendorGUID;
+    EFI_GUID VendorGUID;
     VoidPtr VendorTable;
   } * ConfigurationTable;
 } EfiSystemTable;
@@ -792,9 +792,9 @@ typedef struct EfiFileProtocol {
 
   EfiStatusType(EFI_API* SetPosition)(EfiFileProtocol* Self, UInt64* Position);
 
-  EfiStatusType(EFI_API* GetInfo)(struct EfiFileProtocol*, struct EfiGUID*, UInt32*, void*);
+  EfiStatusType(EFI_API* GetInfo)(struct EfiFileProtocol*, struct EFI_GUID*, UInt32*, void*);
 
-  EfiStatusType(EFI_API* SetInfo)(struct EfiFileProtocol*, struct EfiGUID*, UInt32*, void*);
+  EfiStatusType(EFI_API* SetInfo)(struct EfiFileProtocol*, struct EFI_GUID*, UInt32*, void*);
 
   EfiStatusType(EFI_API* Flush)(EfiFileProtocol*);
 
diff --git a/dev/kernel/FirmwareKit/GPT.h b/dev/kernel/FirmwareKit/GPT.h
index 370f2517..df0ed286 100644
--- a/dev/kernel/FirmwareKit/GPT.h
+++ b/dev/kernel/FirmwareKit/GPT.h
@@ -29,7 +29,7 @@ struct PACKED GPT_PARTITION_TABLE final {
   UInt64  LBAAltHeader;
   UInt64  FirstGPTEntry;
   UInt64  LastGPTEntry;
-  EfiGUID Guid;
+  EFI_GUID Guid;
   UInt64  StartingLBA;
   UInt32  NumPartitionEntries;
   UInt32  SizeOfEntries;
@@ -38,8 +38,8 @@ struct PACKED GPT_PARTITION_TABLE final {
 };
 
 struct PACKED GPT_PARTITION_ENTRY {
-  EfiGUID PartitionTypeGUID;
-  EfiGUID UniquePartitionGUID;
+  EFI_GUID PartitionTypeGUID;
+  EFI_GUID UniquePartitionGUID;
   UInt64  StartLBA;
   UInt64  EndLBA;
   UInt64  Attributes;
diff --git a/dev/kernel/FirmwareKit/VEPM.h b/dev/kernel/FirmwareKit/VEPM.h
index ca6c83bf..30f6c04d 100644
--- a/dev/kernel/FirmwareKit/VEPM.h
+++ b/dev/kernel/FirmwareKit/VEPM.h
@@ -12,7 +12,7 @@
 
 /// @brief The Virtual Explicit Partition Map scheme extension.
 
-#ifdef __NE_VEPM__
+#if defined(__NE_VEPM__)
 #ifdef kEPMMagic
 #undef kEPMMagic
 #endif  // kEPMMagic
@@ -26,7 +26,7 @@ inline EPM_GUID kVEPMGuidEPM = {
 
 /// @brief VEPM GUID.
 /// @note This is the GUID used to identify a VEPM partition (EFI version)
-inline EfiGUID kVEPMGuidEFI = {
+inline EFI_GUID kVEPMGuidEFI = {
     0x9a1b3f2e, 0x4c3f, 0x4d52, {0xa7, 0x83, 0x9c, 0x21, 0x7b, 0x5e, 0x4d, 0xac}};
 
 #define kVEPMGuidStr "9a1b3f2e-4c3f-4d52-a783-9c217b5e4dac"
diff --git a/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc b/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc
index cb1ec59b..3e10d577 100644
--- a/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc
+++ b/dev/kernel/HALKit/AMD64/HalApplicationProcessor.cc
@@ -117,7 +117,6 @@ EXTERN_C BOOL mp_register_task(HAL::StackFramePtr stack_frame, ThreadID thrdid)
   if (!stack_frame) return NO;
 
   kHWThread[thrdid].mFramePtr = stack_frame;
-  kHWThread[thrdid].mThreadID = thrdid;
 
   HardwareThreadScheduler::The()[thrdid].Leak()->Busy(NO);
 
@@ -165,17 +164,18 @@ Void mp_init_cores(VoidPtr vendor_ptr) noexcept {
     kSMPInterrupt = 0;
     kSMPCount     = 0;
 
-    UInt32 lo = 0, hi = 0;
+    UInt32 lo = 0U, hi = 0U;
+
+    hal_get_msr(APIC_BASE_MSR, &lo, &hi);
 
-    hal_get_msr(0x1B, &lo, &hi);
     UInt64 apic_base = ((UInt64) hi << 32) | lo;
 
-    apic_base |= 0x800;  // enable bit
+    apic_base |= APIC_BASE_MSR_ENABLE;  // Enable APIC.
 
     lo = apic_base & 0xFFFFFFFF;
     hi = apic_base >> 32;
 
-    hal_set_msr(0x1B, lo, hi);
+    hal_set_msr(APIC_BASE_MSR, lo, hi);
 
     kApicBaseAddress = apic_base & 0xFFFFF000;
 
@@ -184,7 +184,7 @@ Void mp_init_cores(VoidPtr vendor_ptr) noexcept {
     controller.Write(LAPIC_REG_ENABLE, 0);
     controller.Write(LAPIC_REG_SPURIOUS, 0x1FF);  // Enable bit, spurious interrupt vector register.
     controller.Write(LAPIC_REG_TIMER_DIV, 0b0011);
-    controller.Write(LAPIC_REG_TIMER_LVT, 32 | (1 << 17));
+    controller.Write(LAPIC_REG_TIMER_LVT, 0x20 | (1 << 17));
     controller.Write(LAPIC_REG_TIMER_INITCNT, 1000000);
 
     volatile UInt8* entry_ptr = reinterpret_cast<volatile UInt8*>(kMADTBlock->List);
@@ -202,6 +202,8 @@ Void mp_init_cores(VoidPtr vendor_ptr) noexcept {
 
         if (entry_struct->Flags & 0x1) {
           kAPICLocales[kSMPCount] = entry_struct->ProcessorID;
+          kHWThread[kSMPCount].mThreadID = kAPICLocales[kSMPCount];
+          
           ++kSMPCount;
 
           kout << "Kind: LAPIC: ON\r";
@@ -212,7 +214,7 @@ Void mp_init_cores(VoidPtr vendor_ptr) noexcept {
           kout << "Kind: LAPIC: OFF\r";
         }
       } else {
-        kout << "Kind: UNKNOWN: ?\r";
+        kout << "Kind: UNKNOWN\r";
       }
 
       entry_ptr += length;
diff --git a/dev/kernel/HALKit/AMD64/HalDebugPort.cc b/dev/kernel/HALKit/AMD64/HalDebugProtocol.cc
index 4e0e2b7f..8a1249ea 100644
--- a/dev/kernel/HALKit/AMD64/HalDebugPort.cc
+++ b/dev/kernel/HALKit/AMD64/HalDebugProtocol.cc
@@ -13,8 +13,4 @@
 
 // after that we have start of additional data.
 
-namespace Kernel {
-Void rt_debug_listen(KernelDebugHeader* the_hdr) noexcept {
-  NE_UNUSED(the_hdr);
-}
-}  // namespace Kernel
+namespace Kernel {}  // namespace Kernel
diff --git a/dev/kernel/HALKit/AMD64/HalKernelMain.cc b/dev/kernel/HALKit/AMD64/HalKernelMain.cc
index 97043227..e7337e62 100644
--- a/dev/kernel/HALKit/AMD64/HalKernelMain.cc
+++ b/dev/kernel/HALKit/AMD64/HalKernelMain.cc
@@ -23,11 +23,13 @@ EXTERN_C Kernel::VoidPtr kInterruptVectorTable[];
 /// @brief Kernel init function.
 /// @param handover_hdr Handover boot header.
 EXTERN_C Int32 hal_init_platform(Kernel::HEL::BootInfoHeader* handover_hdr) {
+  using namespace Kernel;
+
   if (handover_hdr->f_Magic != kHandoverMagic && handover_hdr->f_Version != kHandoverVersion) {
     return kEfiFail;
   }
 
-  Kernel::HAL::rt_sti();
+  HAL::rt_sti();
 
   kHandoverHeader = handover_hdr;
 
@@ -46,9 +48,9 @@ EXTERN_C Int32 hal_init_platform(Kernel::HEL::BootInfoHeader* handover_hdr) {
   /*     INITIALIZE BIT MAP.              */
   /************************************** */
 
-  kKernelBitMpSize  = kHandoverHeader->f_BitMapSize;
-  kKernelBitMpStart = reinterpret_cast<Kernel::VoidPtr>(
-      reinterpret_cast<Kernel::UIntPtr>(kHandoverHeader->f_BitMapStart));
+  kKernelBitMpSize = kHandoverHeader->f_BitMapSize;
+  kKernelBitMpStart =
+      reinterpret_cast<VoidPtr>(reinterpret_cast<UIntPtr>(kHandoverHeader->f_BitMapStart));
 
   /************************************** */
   /*     INITIALIZE GDT AND SEGMENTS. */
@@ -62,7 +64,7 @@ EXTERN_C Int32 hal_init_platform(Kernel::HEL::BootInfoHeader* handover_hdr) {
   kKernelTSS.fIopb = sizeof(HAL::Detail::NE_TSS);
 
   /* The GDT, mostly descriptors for user and kernel segments. */
-  STATIC Kernel::HAL::Detail::NE_GDT_ENTRY ALIGN(0x08) kGDTArray[kGDTEntriesCount] = {
+  STATIC HAL::Detail::NE_GDT_ENTRY ALIGN(0x08) kGDTArray[kGDTEntriesCount] = {
       {.fLimitLow   = 0,
        .fBaseLow    = 0,
        .fBaseMid    = 0,
@@ -112,13 +114,13 @@ EXTERN_C Int32 hal_init_platform(Kernel::HEL::BootInfoHeader* handover_hdr) {
   kGDTArray[4].fBaseHigh   = 0;
 
   // Load memory descriptors.
-  Kernel::HAL::Register64 gdt_reg;
+  HAL::Register64 gdt_reg;
 
-  gdt_reg.Base  = reinterpret_cast<Kernel::UIntPtr>(kGDTArray);
-  gdt_reg.Limit = (sizeof(Kernel::HAL::Detail::NE_GDT_ENTRY) * kGDTEntriesCount) - 1;
+  gdt_reg.Base  = reinterpret_cast<UIntPtr>(kGDTArray);
+  gdt_reg.Limit = (sizeof(HAL::Detail::NE_GDT_ENTRY) * kGDTEntriesCount) - 1;
 
   //! GDT will load hal_read_init after it successfully loads the segments.
-  Kernel::HAL::GDTLoader gdt_loader;
+  HAL::GDTLoader gdt_loader;
   gdt_loader.Load(gdt_reg);
 
   return kEfiFail;
diff --git a/dev/kernel/KernelKit/DeviceMgr.h b/dev/kernel/KernelKit/DeviceMgr.h
index 8d749ec9..7c7b9da3 100644
--- a/dev/kernel/KernelKit/DeviceMgr.h
+++ b/dev/kernel/KernelKit/DeviceMgr.h
@@ -8,8 +8,8 @@
 
  Revision History:
 
-   31/01/24: Add kDeviceCnt (amlel)
-    15/11/24: Add NE_DEVICE macro, to inherit from device object.
+  31/01/24: Add kDeviceCnt (amlel)
+  15/11/24: Add NE_DEVICE macro, to inherit from device object.
 
  ------------------------------------------- */
 
@@ -26,12 +26,15 @@
 
 #define NE_DEVICE : public ::Kernel::IDeviceObject
 
-// Last Rev: Wed, Apr  3, 2024  9:09:41 AM
+// Last Rev: Wed, May  27, 2025  6:22 PM
 
 namespace Kernel {
 template <typename T>
 class IDeviceObject;
 
+template <typename T>
+class IOBuf;
+
 /***********************************************************************************/
 /// @brief Device contract interface, represents an HW device.
 /***********************************************************************************/
@@ -103,7 +106,8 @@ class IOBuf final {
 
 ///! @brief Device enum types.
 enum {
-  kDeviceTypeIDE,
+  kDeviceTypeInvalid = 0,
+  kDeviceTypeIDE     = 100,
   kDeviceTypeEthernet,
   kDeviceTypeWiFi,
   kDeviceTypeFW,
@@ -114,7 +118,10 @@ enum {
   kDeviceTypeMBCI,
   kDeviceTypeATA,
   kDeviceTypeUSB,
-  kDeviceTypeMediaCtrl,  // MM controller
+  kDeviceTypeAPM,  // Adv. Pwr. Mgmt.
+  kDeviceTypePCI,
+  kDeviceTypeVGA,
+  kDeviceTypeGPU,
   kDeviceTypeCount,
 };
 }  // namespace Kernel
diff --git a/dev/kernel/KernelKit/FileMgr.h b/dev/kernel/KernelKit/FileMgr.h
index dcce787f..13eeabdf 100644
--- a/dev/kernel/KernelKit/FileMgr.h
+++ b/dev/kernel/KernelKit/FileMgr.h
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-  Copyright (C) 2024-2025, Amlal El Mahrouss Labs, all rights reserved.
+  Copyright (C) 2024-2025, Amlal El Mahrouss , all rights reserved.
 
   File: FileMgr.h
   Purpose: Kernel file manager.
@@ -52,6 +52,7 @@
   @note Refer to first enum.
 */
 #define kFileOpsCount (4U)
+
 #define kFileMimeGeneric "ne-application-kind/all"
 
 /** @brief invalid position. (n-pos) */
@@ -344,7 +345,7 @@ using FileStreamUTF16 = FileStream<WideChar>;
 
 typedef UInt64 CursorType;
 
-inline static const auto kRestrictStrLen = 8U;
+inline STATIC const auto kRestrictStrLen = 8U;
 
 /// @brief restrict information about the file descriptor.
 struct FILEMGR_RESTRICT final {
@@ -386,7 +387,7 @@ inline FileStream<Encoding, Class>::FileStream(const Encoding* path, const Encod
     }
   }
 
-  kout << "FileMgr: New file at: " << path << ".\r";
+  kout << "FileMgr: Open file at: " << path << ".\r";
 }
 
 /// @brief destructor of the file stream.
diff --git a/dev/kernel/KernelKit/IDylibObject.h b/dev/kernel/KernelKit/IDylibObject.h
index da6c3a7a..b673766c 100644
--- a/dev/kernel/KernelKit/IDylibObject.h
+++ b/dev/kernel/KernelKit/IDylibObject.h
@@ -15,26 +15,29 @@
 #define NE_DYLIB_OBJECT : public IDylibObject
 
 namespace Kernel {
+class IDylibObject;
+
 /// @brief Dylib class object. A handle to a shared library.
 class IDylibObject {
  public:
   explicit IDylibObject() = default;
   virtual ~IDylibObject() = default;
 
-  struct DLL_TRAITS final {
+  struct DylibTraits final {
     VoidPtr ImageObject{nullptr};
     VoidPtr ImageEntrypointOffset{nullptr};
 
-    Bool IsValid() { return ImageObject && ImageEntrypointOffset; }
+    VoidPtr Image() const { return ImageObject; }
+    Bool    IsValid() const { return ImageObject && ImageEntrypointOffset; }
   };
 
   NE_COPY_DEFAULT(IDylibObject)
 
-  virtual DLL_TRAITS** GetAddressOf() = 0;
-  virtual DLL_TRAITS*  Get()          = 0;
+  virtual DylibTraits** GetAddressOf() = 0;
+  virtual DylibTraits*  Get()          = 0;
 
-  virtual Void Mount(DLL_TRAITS* to_mount) = 0;
-  virtual Void Unmount()                   = 0;
+  virtual Void Mount(DylibTraits* to_mount) = 0;
+  virtual Void Unmount()                    = 0;
 };
 
 /// @brief Pure implementation, missing method/function handler.
diff --git a/dev/kernel/KernelKit/IPEFDylibObject.h b/dev/kernel/KernelKit/IPEFDylibObject.h
index f4461a69..66b4895d 100644
--- a/dev/kernel/KernelKit/IPEFDylibObject.h
+++ b/dev/kernel/KernelKit/IPEFDylibObject.h
@@ -30,15 +30,15 @@ class IPEFDylibObject final NE_DYLIB_OBJECT {
   NE_COPY_DEFAULT(IPEFDylibObject)
 
  private:
-  DLL_TRAITS* fMounted{nullptr};
+  DylibTraits* fMounted{nullptr};
 
  public:
-  DLL_TRAITS** GetAddressOf() { return &fMounted; }
+  DylibTraits** GetAddressOf() { return &fMounted; }
 
-  DLL_TRAITS* Get() { return fMounted; }
+  DylibTraits* Get() { return fMounted; }
 
  public:
-  void Mount(DLL_TRAITS* to_mount) {
+  void Mount(DylibTraits* to_mount) {
     if (!to_mount || !to_mount->ImageObject) return;
 
     fMounted = to_mount;
diff --git a/dev/kernel/KernelKit/KPC.h b/dev/kernel/KernelKit/KPC.h
index 811d7f5d..a3b13de6 100644
--- a/dev/kernel/KernelKit/KPC.h
+++ b/dev/kernel/KernelKit/KPC.h
@@ -63,9 +63,8 @@ inline constexpr KPCError kErrorCDTrayBroken       = 62;
 inline constexpr KPCError kErrorUnrecoverableDisk  = 63;
 inline constexpr KPCError kErrorFileLocked         = 64;
 inline constexpr KPCError kErrorDiskIsTooTiny      = 65;
-/// Kernel errors.
-inline constexpr KPCError kErrorDmaExhausted      = 101;
-inline constexpr KPCError kErrorOutOfBitMapMemory = 102;
+inline constexpr KPCError kErrorDmaExhausted       = 66;
+inline constexpr KPCError kErrorOutOfBitMapMemory  = 67;
 /// Generic errors.
 inline constexpr KPCError kErrorUnimplemented = -1;
 
diff --git a/dev/kernel/NetworkKit/NetworkDevice.h b/dev/kernel/NetworkKit/NetworkDevice.h
index e67916ee..c37d8504 100644
--- a/dev/kernel/NetworkKit/NetworkDevice.h
+++ b/dev/kernel/NetworkKit/NetworkDevice.h
@@ -19,7 +19,7 @@ class NetworkDevice;
 /**
  * \brief Network device interface, establishes a connection to the NIC.
  */
-class NetworkDevice final : public IDeviceObject<NetworkDeviceCommand> {
+class NetworkDevice final NE_DEVICE<NetworkDeviceCommand> {
  public:
   NetworkDevice(void (*out)(IDeviceObject<NetworkDeviceCommand>*, NetworkDeviceCommand),
                 void (*in)(IDeviceObject<NetworkDeviceCommand>*, NetworkDeviceCommand),
@@ -68,6 +68,12 @@ using GSMNetworkDevice = NetworkDevice;
 /// @brief Bluetooth device.
 using BTNetworkDevice = NetworkDevice;
 
+/// @brief Printer device.
+using PrinterNetworkDevice = NetworkDevice;
+
+/// @brief Debug device.
+using DBGNetworkDevice = NetworkDevice;
+
 /// @brief LTE device.
 using LTENetworkDevice = NetworkDevice;
 }  // namespace Kernel
diff --git a/dev/kernel/SwapKit/DiskSwap.h b/dev/kernel/SwapKit/DiskSwap.h
index 40b3adb0..1a0536c9 100644
--- a/dev/kernel/SwapKit/DiskSwap.h
+++ b/dev/kernel/SwapKit/DiskSwap.h
@@ -1,7 +1,7 @@
 
 /* -------------------------------------------
 
-  Copyright (C) 2024-2025 Amlal El Mahrouss Labs, all rights reserved.
+  Copyright (C) 2024-2025 Amlal El Mahrouss , all rights reserved.
 
 ------------------------------------------- */
 
diff --git a/dev/kernel/src/DeviceMgr.cc b/dev/kernel/src/DeviceMgr.cc
index c137552e..b12470a9 100644
--- a/dev/kernel/src/DeviceMgr.cc
+++ b/dev/kernel/src/DeviceMgr.cc
@@ -5,3 +5,5 @@
 ------------------------------------------- */
 
 #include <KernelKit/DeviceMgr.h>
+
+namespace Kernel {}  // namespace Kernel
diff --git a/dev/kernel/src/IPEFDylibObject.cc b/dev/kernel/src/IPEFDylibObject.cc
index 6af0718e..d1d4eeca 100644
--- a/dev/kernel/src/IPEFDylibObject.cc
+++ b/dev/kernel/src/IPEFDylibObject.cc
@@ -49,7 +49,7 @@ EXTERN_C IDylibRef rtl_init_dylib_pef(USER_PROCESS& process) {
     return nullptr;
   }
 
-  dll_obj->Mount(new IPEFDylibObject::DLL_TRAITS());
+  dll_obj->Mount(new IPEFDylibObject::DylibTraits());
 
   if (!dll_obj->Get()) {
     tls_delete_class(dll_obj);
diff --git a/dev/kernel/src/Swap/DiskSwap.cc b/dev/kernel/src/Swap/DiskSwap.cc
index 118be0f6..8578450c 100644
--- a/dev/kernel/src/Swap/DiskSwap.cc
+++ b/dev/kernel/src/Swap/DiskSwap.cc
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-  Copyright (C) 2024-2025 Amlal El Mahrouss Labs, all rights reserved.
+  Copyright (C) 2024-2025 Amlal El Mahrouss , all rights reserved.
 
 ------------------------------------------- */