pmm.h File Reference

#include <stdint.h>

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Enumerations
enum	pmm_flags_t { PMM_UNUSED, PMM_RESERVED, PMM_KERNEL, PMM_USER }
	information on who uses a page frame (needs to fit in TYPE_BITS)

Functions
void	pmm_init ()
	Initializes the PMM. More...
uint32_t	pmm_get_page (void *ptr, uint32_t offset)
	Returns to which page a given memory address belongs. More...
void *	pmm_get_address (uint32_t page, uint32_t offset)
	Returns a memory address belonging to a given page. More...
void	pmm_use (void *ptr, size_t len, pmm_flags_t flags, char *tag)
	Marks page frames for a given memory range as used or unused. More...
void *	pmm_alloc (size_t len, pmm_flags_t flags)
	Allocates page frames. More...
void	pmm_free (void *ptr, size_t len)
	Frees page frames. More...
pmm_flags_t	pmm_check (void *ptr)
	Returns whether a page frame is used or unused. More...
void	pmm_dump (void *ptr, size_t len)
	Dumps information on page frames for a given memory range. More...
uint32_t	pmm_get_highest_kernel_page ()
	Returns the highest page used by the kernel. More...