mem.h

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/*------------------------------------------------------------------------------
 *  Kintsugi OS C Libraries source code
 *  File: libc/mem.h
 *  Title: Функции работы с памятью (заголовочный файл mem.c)
 *  Description: null
 * ----------------------------------------------------------------------------*/
 
#ifndef KKLIBC_MEM_H
#define KKLIBC_MEM_H
 
#include "ctypes.h"
 
#define HEAP_START 0x200000
#define HEAP_SIZE 0x2000000
#define BLOCK_SIZE 16
#define MAGIC_NUMBER 0xDEADBEEF
 
extern u32 heap_current_end;
 
typedef struct mem_block {
    u32 size;
    struct mem_block* next;
    u8 is_free;
} __attribute__((packed)) mem_block_t;
 
typedef struct meminfo {
    u32 heap_start;
    u32 heap_size;
    u32 heap_current_end;
    u32 block_size;
    mem_block_t* free_blocks;
    u32 total_used;
    u32 total_free;
    u32 block_count;
    u32 alloc_count;
    u32 free_count;
    u32 max_used;
    u32 leak_count;
} meminfo_t;
 
meminfo_t get_meminfo();
 
void get_freememaddr();
 
int expand_heap(u32 size);
 
void heap_init();
 
void* kmalloc_aligned(u32 size, u32 alignment);
 
void kfree_aligned(void* ptr);
 
void* kmalloc(u32 size);
 
void* krealloc(void* ptr, u32 size);
 
void kfree(void* ptr);
 
void kmemdump();
 
#endif