diff options
| author | Amlal <amlalelmahrouss@icloud.com> | 2024-12-21 21:59:13 +0100 |
|---|---|---|
| committer | Amlal <amlalelmahrouss@icloud.com> | 2024-12-21 21:59:45 +0100 |
| commit | 610f91d87152cbe48d3054fcf437d8239da6ef35 (patch) | |
| tree | a386f7047ab73d088169ab2371ddc6ffe8020f1c /dev/Kernel/KernelKit/Heap.h | |
| parent | 509fcca5986651c8ba712fb395f8498f2dea4109 (diff) | |
IMP: :boom: Breaking changes some checks are needed to be done.
Signed-off-by: Amlal <amlalelmahrouss@icloud.com>
Diffstat (limited to 'dev/Kernel/KernelKit/Heap.h')
| -rw-r--r-- | dev/Kernel/KernelKit/Heap.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/dev/Kernel/KernelKit/Heap.h b/dev/Kernel/KernelKit/Heap.h new file mode 100644 index 00000000..4a3afff4 --- /dev/null +++ b/dev/Kernel/KernelKit/Heap.h @@ -0,0 +1,86 @@ +/* ------------------------------------------- + + Copyright (C) 2024, TQ B.V, all rights reserved. + +------------------------------------------- */ + +#ifndef INC_KERNEL_HEAP_H +#define INC_KERNEL_HEAP_H + +// last-rev 30/01/24 +// file: Heap.h +// description: heap allocation support. + +#include <NewKit/Stop.h> +#include <KernelKit/LPC.h> +#include <HintKit/CompilerHint.h> + +namespace Kernel +{ + /// @brief Declare pointer as free. + /// @param heap_ptr the pointer. + /// @return a status code regarding the deallocation. + Int32 mm_delete_heap(VoidPtr heap_ptr); + + /// @brief Declare a new size for heap_ptr. + /// @param heap_ptr the pointer. + /// @return unsupported always returns nullptr. + VoidPtr mm_realloc_heap(VoidPtr heap_ptr, SizeT new_sz); + + /// @brief Check if pointer is a valid Kernel pointer. + /// @param heap_ptr the pointer + /// @return if it exists it returns true. + Boolean mm_is_valid_heap(VoidPtr heap_ptr); + + /// @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, or nullptr. + VoidPtr mm_new_heap(const SizeT sz, const Bool wr, const Bool user); + + /// @brief Protect the heap with a CRC value. + /// @param heap_ptr pointer. + /// @return if it valid: point has crc now., otherwise fail. + Boolean mm_protect_heap(VoidPtr heap_ptr); + + /// @brief Makes a Kernel page. + /// @param heap_ptr the page pointer. + /// @return status code + Int32 mm_make_page(VoidPtr heap_ptr); + + /// @brief Overwrites and set the flags of a heap header. + /// @param heap_ptr the pointer to update. + /// @param flags the flags to set. + Int32 mm_make_flags(VoidPtr heap_ptr, UInt64 flags); + + /// @brief Gets the flags of a heap header. + /// @param heap_ptr the pointer to get. + UInt64 mm_get_flags(VoidPtr heap_ptr); + + /// @brief Allocate C++ class. + /// @param cls The class to allocate. + /// @param args The args to pass. + template <typename T, typename... Args> + inline Void mm_new_class(_Input _Output T** cls, _Input Args&&... args) + { + if (*cls) + { + err_global_get() = Kernel::kErrorInvalidData; + return; + } + + *cls = new T(move(args)...); + } + + /// @brief Delete and nullify C++ class. + /// @param cls The class to delete. + template <typename T> + inline Void mm_delete_class(_Input _Output T** cls) + { + delete *cls; + *cls = nullptr; + } +} // namespace Kernel + +#endif // !INC_KERNEL_HEAP_H |
