mm.h File Reference

Definition of basic memory sizes and functions. More...

#include <stdint.h>
#include <peripherals/base.h>

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Macros
#define	PAGE_SHIFT   12
#define	TABLE_SHIFT   9
#define	SECTION_SHIFT   (PAGE_SHIFT + TABLE_SHIFT)
#define	PAGE_SIZE   (1 << PAGE_SHIFT)
#define	SECTION_SIZE   (1 << SECTION_SHIFT)
#define	LOW_MEMORY   (2 * SECTION_SIZE)
#define	HIGH_MEMORY   MMIO_BASE
#define	PAGING_MEMORY   (HIGH_MEMORY - LOW_MEMORY)
#define	PAGING_PAGES   (PAGING_MEMORY / PAGE_SIZE)

Functions
uint64_t	get_free_page ()
void	free_page (uint64_t p)

Detailed Description

Definition of basic memory sizes and functions.