mm: Changes

+ vmm: Rename to "paging"
+ vma: Start implementation

kernel/src/mm/vmm.h

@@ -1,33 +0,0 @@
-/*
- *  The Soaplin Kernel
- *  Copyright (C) 2025 The SILD Project
- *
- *  vmm.c - Virtual memory manager
- */
-
-#pragma once
-
-// Page flags
-#include <stdint.h>
-
-#define PTE_ADDR_MASK 0x000ffffffffff000
-#define PTE_GET_ADDR(VALUE) ((VALUE) & PTE_ADDR_MASK)
-#define PTE_GET_FLAGS(VALUE) ((VALUE) & ~PTE_ADDR_MASK)
-
-#define PTE_PRESENT  (1 << 0)
-#define PTE_WRITE    (1 << 1)
-#define PTE_USER     (1 << 2)
-#define PTE_NX       (1ULL << 63) // NX = No eXecute.
-
-typedef uint64_t *pagemap_t;
-
-void vmm_init();
-pagemap_t vmm_alloc_pm();
-void vmm_free_pm(pagemap_t pm);
-
-void vmm_load_pm(pagemap_t pm);
-void vmm_map(pagemap_t pm, uint64_t vaddr, uint64_t paddr, uint64_t flags);
-void vmm_map_user(pagemap_t pm, uint64_t vaddr, uint64_t paddr,
-                  uint64_t flags);
-void vmm_unmap(pagemap_t pm, uint64_t vaddr);
-void vmm_protect(pagemap_t pm, uint64_t vaddr, uint64_t flags);