Initial import

boot/include/arch/aarch64/arch/mm/paging.h

@@ -0,0 +1,38 @@
+/*********************************************************************************/
+/* Module Name:  paging.h                                                        */
+/* Project:      AurixOS                                                         */
+/*                                                                               */
+/* Copyright (c) 2024-2025 Jozef Nagy                                            */
+/*                                                                               */
+/* This source is subject to the MIT License.                                    */
+/* See License.txt in the root of this repository.                               */
+/* All other rights reserved.                                                    */
+/*                                                                               */
+/* 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.                                                                     */
+/*********************************************************************************/
+
+#ifndef _MM_PAGING_H
+#define _MM_PAGING_H
+
+#include <firmware/memmap.h>
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define PAGE_SIZE 0x1000
+
+int paging_init(struct memory_map_info *memmap);
+
+void paging_identity_map(uint64_t addr);
+void paging_map(uint64_t phys, uint64_t virt);
+void paging_unmap(uint64_t virt);
+
+void *paging_allocate(size_t np);
+
+#endif /* _MM_PAGING_H */