#ifndef __MEMORY_H
#define __MEMORY_H

#include "multiboot.h"
#include "schedule.h"

struct mem_info {
	unsigned int used;
	unsigned int total;
};
extern char *mem_alloc_pages(int count);
extern void init_mem(multiboot_info_t *mbd);
extern void init_paging();
extern unsigned int mem_usr_sbrk(int amount);
extern int mem_map_krnl_page(unsigned int virt);
extern int mem_map_user_page(unsigned int virt);
extern unsigned int *mem_new_pagedirectory(struct task_t *task);
extern void *malloc(unsigned int size);
extern void free(void *ptr);
extern void *realloc(void *ptr, unsigned int size);
extern unsigned char *mem_map_framebuffer(unsigned int phys, unsigned int fb_length);
extern char *mem_alloc(void);
extern void mem_free(char *blk, char *caller);
extern unsigned char *mem_map_page(unsigned int phys, unsigned int virt, int flags);
extern unsigned char *mem_map_page_in(unsigned int phys, unsigned int virt, unsigned int cr3, int flags);
extern void mem_clear_user_pages();
extern int mem_cpy_pages(struct task_t *old_task, struct task_t *new_task);
extern void mem_free_page_dir(unsigned int *user_page_directory);
extern unsigned int mem_pci_sbrk(unsigned int amount);
extern unsigned int mem_get_info(struct mem_info *info);
#endif