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#ifndef JOVE_MEM_H
#define JOVE_MEM_H 1
#define PAGESIZE 4096ULL
#define KiB 1024ULL
#define MiB (KiB * KiB)
#define GiB (MiB * KiB)
#define TiB (GiB * KiB)
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
typedef uintptr_t physptr_t;
#include "slab.h"
/*Linear*/
void mem_paging_setup(void);
physptr_t mem_linear_tophys(uintptr_t virt);
/**Check if pointer is within valid memory.
* @param ptr pointer to check.
* @return if the pointer is invalid.*/
bool mem_check_ptr(const void *ptr);
/**Make sure the range indicated is available in memory.
* If necessary, allocate new pages using the passed flags
* @param from start of the range.
* @param to end of the range.
* @param rw flag to mark page is writeable.
* @param user flag to mark page as user accessable*/
void mem_ensure_range(uintptr_t from, uintptr_t to, bool rw, bool user);
/**Make sure the range indicated is available in memory for specified pd
* If necessary, allocate new pages using the passed flags
* @param pd pointer to page directory to edit
* @param from start of the range.
* @param to end of the range.
* @param rw flag to mark page is writeable.
* @param user flag to mark page as user accessable*/
void mem_ensure_range_for(void *pd, uintptr_t from, uintptr_t to, bool rw, bool user);
void mem_slab_setup(void);
void mem_slabcache_new(struct SlabCache *cache, char *name, size_t objsize);
void* mem_slab_alloc(struct SlabCache *cache);
void mem_slab_free(struct SlabCache *cache, void *ptr);
void* mem_alloc(size_t width);
void mem_free(void *ptr);
/*Physical*/
physptr_t mem_phys_take4k(void);
void mem_phys_reserve(physptr_t start, size_t len);
#endif
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