feat! breaking changes on kernel sources.

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

1 files changed, 0 insertions, 260 deletions

diff --git a/dev/kernel/src/HeapMgr.cc b/dev/kernel/src/HeapMgr.cc
deleted file mode 100644
index 848a0377..00000000
--- a/dev/kernel/src/HeapMgr.cc
+++ /dev/null
@@ -1,260 +0,0 @@
-/* ========================================
-
-  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
-
-======================================== */
-
-#include <ArchKit/ArchKit.h>
-#include <KernelKit/DebugOutput.h>
-#include <KernelKit/HeapMgr.h>
-#include <KernelKit/KPC.h>
-#include <NeKit/Crc32.h>
-#include <NeKit/PageMgr.h>
-#include <NeKit/Utils.h>
-
-/* ========================================
-
- Revision History:
-  10/8/24: FIX: Fix useless long name, alongside a new WR (WriteRead) field.
-  20/10/24: FIX: Fix mm_new_ and mm_delete_ APIs inside HeapMgr.h header. (amlal)
-    27/01/25: REFACTOR: Reworked code as the memory manager.
-  25/03/25: REFACTOR: Refactor HeapMgr code and log freed address location.
-
- ======================================== */
-
-//! @file HeapMgr.cc
-//! @brief Heap system that serves as the main memory manager.
-
-#define kHeapMgrMagic (0xD4D75)
-#define kHeapMgrAlignSz (4U)
-
-namespace Kernel {
-/// @brief Implementation details.
-namespace Detail {
-  struct PACKED MM_INFORMATION_BLOCK;
-
-  /// @brief Kernel heap information block.
-  /// Located before the address bytes.
-  /// | HIB |  CLASS/STRUCT/DATA TYPES... |
-  struct PACKED MM_INFORMATION_BLOCK final {
-    ///! @brief 32-bit value which contains the magic number of the heap.
-    UInt32 fMagic : 24;
-
-    ///! @brief Is the heap present?
-    UInt8 fPresent : 1;
-
-    /// @brief Is this value writable?
-    UInt8 fWriteRead : 1;
-
-    /// @brief Is this value owned by the user?
-    UInt8 fUser : 1;
-
-    /// @brief Is this a page pointer?
-    UInt8 fPage : 1;
-
-    /// @brief 32-bit CRC checksum.
-    UInt32 fCRC32;
-
-    /// @brief 64-bit Allocation flags.
-    UInt16 fFlags;
-
-    /// @brief 64-bit pointer size.
-    SizeT fSize;
-
-    /// @brief 64-bit target offset pointer.
-    UIntPtr fOffset;
-
-    /// @brief Padding.
-    UInt32 fPad;
-
-    /// @brief Padding bytes for header.
-    UInt8 fPadding[kHeapMgrAlignSz];
-  };
-
-  /// @brief Check for heap address validity.
-  /// @param heap_ptr The address_ptr to check.
-  /// @return Bool if the pointer is valid or not.
-  _Output auto mm_check_ptr_address(VoidPtr heap_ptr) -> Bool {
-    if (!heap_ptr) return false;
-
-    IntPtr base_ptr = ((IntPtr) heap_ptr) - sizeof(Detail::MM_INFORMATION_BLOCK);
-
-    /// Add that check in case we're having an integer underflow. ///
-
-    if (base_ptr < 0) {
-      return false;
-    }
-
-    return true;
-  }
-
-  typedef MM_INFORMATION_BLOCK* MM_INFORMATION_BLOCK_PTR;
-}  // namespace Detail
-
-STATIC PageMgr kPageMgr;
-
-/// @brief Allocate chunk of memory.
-/// @param sz Size of pointer
-/// @param wr Read Write bit.
-/// @param user User enable bit.
-/// @return The newly allocated pointer.
-_Output VoidPtr mm_alloc_ptr(SizeT sz, Bool wr, Bool user, SizeT pad_amount) {
-  auto sz_fix = sz;
-
-  if (sz_fix == 0) return nullptr;
-
-  sz_fix += sizeof(Detail::MM_INFORMATION_BLOCK);
-
-  auto wrapper = kPageMgr.Request(wr, user, No, sz_fix, pad_amount);
-
-  Detail::MM_INFORMATION_BLOCK_PTR heap_info_ptr =
-      reinterpret_cast<Detail::MM_INFORMATION_BLOCK_PTR>(wrapper.VirtualAddress() +
-                                                         sizeof(Detail::MM_INFORMATION_BLOCK));
-
-  heap_info_ptr->fSize  = sz_fix;
-  heap_info_ptr->fMagic = kHeapMgrMagic;
-  heap_info_ptr->fCRC32 = 0U;  // dont fill it for now.
-  heap_info_ptr->fOffset =
-      reinterpret_cast<UIntPtr>(heap_info_ptr) + sizeof(Detail::MM_INFORMATION_BLOCK);
-  heap_info_ptr->fPage      = No;
-  heap_info_ptr->fWriteRead = wr;
-  heap_info_ptr->fUser      = user;
-  heap_info_ptr->fPresent   = Yes;
-  heap_info_ptr->fPad       = pad_amount;
-
-  rt_set_memory(heap_info_ptr->fPadding, 0, kHeapMgrAlignSz);
-
-  auto result = reinterpret_cast<VoidPtr>(heap_info_ptr->fOffset);
-
-  (Void)(kout << "HeapMgr: Registered heap address: "
-              << hex_number(reinterpret_cast<UIntPtr>(heap_info_ptr)) << kendl);
-
-  return result;
-}
-
-/// @brief Makes a page heap.
-/// @param heap_ptr the pointer to make a page heap.
-/// @return kErrorSuccess if successful, otherwise an error code.
-_Output Int32 mm_make_page(VoidPtr heap_ptr) {
-  if (Detail::mm_check_ptr_address(heap_ptr) == No) return kErrorHeapNotPresent;
-
-  Detail::MM_INFORMATION_BLOCK_PTR heap_info_ptr =
-      reinterpret_cast<Detail::MM_INFORMATION_BLOCK_PTR>((UIntPtr) heap_ptr -
-                                                         sizeof(Detail::MM_INFORMATION_BLOCK));
-
-  if (!heap_info_ptr) return kErrorHeapNotPresent;
-
-  heap_info_ptr->fPage = true;
-
-  (Void)(kout << "HeapMgr: Registered page from heap address: "
-              << hex_number(reinterpret_cast<UIntPtr>(heap_info_ptr)) << kendl);
-
-  return kErrorSuccess;
-}
-
-/// @brief Overwrites and set the flags of a heap header.
-/// @param heap_ptr the pointer to update.
-/// @param flags the flags to set.
-_Output Int32 mm_set_ptr_flags(VoidPtr heap_ptr, UInt64 flags) {
-  if (Detail::mm_check_ptr_address(heap_ptr) == No) return kErrorHeapNotPresent;
-
-  Detail::MM_INFORMATION_BLOCK_PTR heap_info_ptr =
-      reinterpret_cast<Detail::MM_INFORMATION_BLOCK_PTR>((UIntPtr) heap_ptr -
-                                                         sizeof(Detail::MM_INFORMATION_BLOCK));
-
-  if (!heap_info_ptr) return kErrorHeapNotPresent;
-
-  heap_info_ptr->fFlags = flags;
-
-  return kErrorSuccess;
-}
-
-/// @brief Gets the flags of a heap header.
-/// @param heap_ptr the pointer to get.
-_Output UInt64 mm_get_ptr_flags(VoidPtr heap_ptr) {
-  Detail::MM_INFORMATION_BLOCK_PTR heap_info_ptr =
-      reinterpret_cast<Detail::MM_INFORMATION_BLOCK_PTR>((UIntPtr) heap_ptr -
-                                                         sizeof(Detail::MM_INFORMATION_BLOCK));
-
-  if (!heap_info_ptr) return kErrorHeapNotPresent;
-
-  return heap_info_ptr->fFlags;
-}
-
-/// @brief Declare pointer as free.
-/// @param heap_ptr the pointer.
-/// @return
-_Output Int32 mm_free_ptr(VoidPtr heap_ptr) {
-  if (Detail::mm_check_ptr_address(heap_ptr) == No) return kErrorHeapNotPresent;
-
-  Detail::MM_INFORMATION_BLOCK_PTR heap_info_ptr =
-      reinterpret_cast<Detail::MM_INFORMATION_BLOCK_PTR>((UIntPtr) (heap_ptr) -
-                                                         sizeof(Detail::MM_INFORMATION_BLOCK));
-
-  if (heap_info_ptr && heap_info_ptr->fMagic == kHeapMgrMagic) {
-    if (!heap_info_ptr->fPresent) {
-      return kErrorHeapNotPresent;
-    }
-
-    heap_info_ptr->fSize      = 0UL;
-    heap_info_ptr->fPresent   = No;
-    heap_info_ptr->fOffset    = 0;
-    heap_info_ptr->fCRC32     = 0;
-    heap_info_ptr->fWriteRead = No;
-    heap_info_ptr->fUser      = No;
-    heap_info_ptr->fMagic     = 0;
-    heap_info_ptr->fPad       = 0;
-
-    (Void)(kout << "HeapMgr: Freed heap address: "
-                << hex_number(reinterpret_cast<UIntPtr>(heap_info_ptr)) << kendl);
-
-    PTEWrapper page_wrapper(
-        No, No, No,
-        reinterpret_cast<UIntPtr>(heap_info_ptr) - sizeof(Detail::MM_INFORMATION_BLOCK));
-
-    Ref<PTEWrapper> pte_address{page_wrapper};
-
-    kPageMgr.Free(pte_address);
-
-    return kErrorSuccess;
-  }
-
-  return kErrorInternal;
-}
-
-/// @brief Check if pointer is a valid Kernel pointer.
-/// @param heap_ptr the pointer
-/// @return if it exists.
-_Output Boolean mm_is_valid_ptr(VoidPtr heap_ptr) {
-  if (heap_ptr && HAL::mm_is_bitmap(heap_ptr)) {
-    Detail::MM_INFORMATION_BLOCK_PTR heap_info_ptr =
-        reinterpret_cast<Detail::MM_INFORMATION_BLOCK_PTR>((UIntPtr) (heap_ptr) -
-                                                           sizeof(Detail::MM_INFORMATION_BLOCK));
-
-    return (heap_info_ptr && heap_info_ptr->fPresent && heap_info_ptr->fMagic == kHeapMgrMagic);
-  }
-
-  return No;
-}
-
-/// @brief Protect the heap with a CRC value.
-/// @param heap_ptr HIB pointer.
-/// @return if it valid: point has crc now., otherwise fail.
-_Output Boolean mm_protect_ptr(VoidPtr heap_ptr) {
-  if (heap_ptr) {
-    Detail::MM_INFORMATION_BLOCK_PTR heap_info_ptr =
-        reinterpret_cast<Detail::MM_INFORMATION_BLOCK_PTR>((UIntPtr) heap_ptr -
-                                                           sizeof(Detail::MM_INFORMATION_BLOCK));
-
-    /// if valid, present and is heap header, then compute crc32
-    if (heap_info_ptr && heap_info_ptr->fPresent && kHeapMgrMagic == heap_info_ptr->fMagic) {
-      heap_info_ptr->fCRC32 =
-          ke_calculate_crc32((Char*) heap_info_ptr->fOffset, heap_info_ptr->fSize);
-
-      return Yes;
-    }
-  }
-
-  return No;
-}
-}  // namespace Kernel