feat: Add SLAB allocator, Ramdisk, Kernel Namespaces, Event Tracing, NetFilter Firewall, 8-Bit Melodies, and Shell Scripting (sh)

include/mm/slab.h

@@ -0,0 +1,49 @@
+#ifndef _MM_SLAB_H
+#define _MM_SLAB_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#define SLAB_NAME_MAX 32
+#define SLAB_MAX_CACHES 32
+
+typedef struct kmem_cache kmem_cache_t;
+
+typedef void (*kmem_ctor_fn_t)(void* obj);
+typedef void (*kmem_dtor_fn_t)(void* obj);
+
+typedef struct kmem_slab {
+    void* memory;
+    uint32_t total_objects;
+    uint32_t free_objects;
+    uint32_t* freelist;
+    uint32_t freelist_head;
+    struct kmem_slab* next;
+} kmem_slab_t;
+
+struct kmem_cache {
+    char name[SLAB_NAME_MAX];
+    size_t object_size;
+    size_t alignment;
+    size_t objects_per_slab;
+    uint32_t active_objects;
+    uint32_t total_slabs;
+    kmem_ctor_fn_t ctor;
+    kmem_dtor_fn_t dtor;
+    kmem_slab_t* slabs_partial;
+    kmem_slab_t* slabs_full;
+    kmem_slab_t* slabs_empty;
+    bool in_use;
+};
+
+void slab_init(void);
+kmem_cache_t* kmem_cache_create(const char* name, size_t size, size_t align, kmem_ctor_fn_t ctor, kmem_dtor_fn_t dtor);
+void* kmem_cache_alloc(kmem_cache_t* cache);
+void kmem_cache_free(kmem_cache_t* cache, void* obj);
+int kmem_cache_destroy(kmem_cache_t* cache);
+
+size_t slab_get_cache_count(void);
+const kmem_cache_t* slab_get_cache(size_t index);
+
+#endif // _MM_SLAB_H