#include <stdint.h>
#include <mem/pmm.h>

Include dependency graph for vmm.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	page_directory_entry_t
	An entry in a page directory. More...

struct	page_table_entry_t
	An entry in a page table. More...

Macros
#define	VMM_PAGEDIR ((page_directory_t*) 0xFFFFF000)
	the active page directory's address More...

#define	VMM_PAGETAB(i) ((page_table_t) (0xFFC00000 + (i) PAGE_SIZE))
	the address of a page table from the active page directory More...

Typedefs
typedef page_directory_entry_t	page_directory_t
	a page directory is a pointer to its first entry

typedef page_table_entry_t	page_table_t
	a page table is a pointer to its first entry

Enumerations
enum	vmm_flags_t { VMM_KERNEL = 0b0, VMM_USER = 0b1, VMM_WRITABLE = 0b100 }
	Whether we are working with kernel or user memory. More...

Functions
page_directory_t *	vmm_create_page_directory ()
	Creates an empty page directory. More...

void	vmm_destroy_page_directory (page_directory_t *dir_phys)
	Destroys a page directory. More...

page_directory_t *	vmm_load_page_directory (page_directory_t *new_directory)
	Loads a new page directory. More...

void	vmm_modify_page_directory (page_directory_t *new_directory)
	Loads a page directory for temporary modification. More...

void	vmm_modified_page_directory ()
	Ends a page directory modification. More...

uint8_t	vmm_map (void _vaddr, void paddr, vmm_flags_t flags)
	Maps the given page into memory. More...

void	vmm_unmap (void *_vaddr)
	Unmaps the given page from memory. More...

void	vmm_map_range (void vaddr, void paddr, size_t len, vmm_flags_t flags)
	Maps the given page(s) into memory. More...

void	vmm_unmap_range (void *vaddr, size_t len)
	Unmaps the given page(s) from memory. More...

void *	vmm_get_physical_address (void *_vaddr)
	Translates a virtual address into a physical address. More...

void	vmm_dump ()
	Dumps the current page directory. More...

void *	vmm_map_physical_memory (void *paddr, size_t len, vmm_flags_t flags)
	If necessary, maps the given page(s) somewhere into memory. More...

void	vmm_unmap_physical_memory (void *vaddr, size_t len)
	If necessary, unmaps the given page(s) from memory. More...

void	vmm_use (void vaddr, void paddr, size_t len, vmm_flags_t flags)
	Marks the given page(s) as used and maps them into memory. More...

void *	vmm_use_physical_memory (void *paddr, size_t len, vmm_flags_t flags)
	Marks the given page(s) as used and maps them somewhere into memory. More...

void *	vmm_use_virtual_memory (void *vaddr, size_t len, vmm_flags_t flags)
	Marks some page(s) as used and maps them into memory. More...

void *	vmm_alloc (size_t len, vmm_flags_t flags)
	Marks some page(s) as used and maps them somewhere into memory. More...

void	vmm_free (void *vaddr, size_t len)
	Frees the given page(s) and unmaps them from memory. More...

void	vmm_enable_domain_check (uint8_t enable)
	Enables or disables domain checking. More...

void	vmm_init ()
	Initializes the VMM. More...

Data Structures

Macros

Typedefs

Enumerations

Functions