pgtab-old.c File Reference

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Classes
union	ddekit_pte
	Page table entry. More...
Enumerations
enum	{   PDIR_SHIFT = L4_SUPERPAGESHIFT, PDIR_MASK = L4_SUPERPAGEMASK, PDIR_ENTRIES = (1 << (L4_MWORD_BITS - PDIR_SHIFT)), PTAB_ENTRIES = (1 << (PDIR_SHIFT - L4_PAGESHIFT)),   PTAB_SIZE = (sizeof(void*) * PTAB_ENTRIES) }
Functions
static unsigned	pt_num (l4_addr_t addr)
	Calculate offset of address in page directory - page-table number.
static unsigned	pg_num (l4_addr_t addr)
	Calculate offset of address in page table - page number.
static ddekit_pte	ddekit_get_pte (void *p)
	Get page-table entry.
static void	ddekit_set_pte (void *p, ddekit_pte pte)
	Set page-table entry.
void	ddekit_pte_set_region (void *virtual, ddekit_addr_t physical, int pages, int type)
	Set virtual->physical mapping for VM region.
void	ddekit_pte_clear_region (void *virtual, int type)
	Clear virtual->physical mapping for VM region.
Variables
static ddekit_pte *	page_dir [PDIR_ENTRIES]

---

Enumeration Type Documentation

anonymous enum

Enumerator:

PDIR_SHIFT
PDIR_MASK
PDIR_ENTRIES
PTAB_ENTRIES
PTAB_SIZE

Definition at line 26 of file pgtab-old.c.

---

Function Documentation

static ddekit_pte ddekit_get_pte

(

void *

p

)

[inline, static]

Get page-table entry.

Definition at line 73 of file pgtab-old.c.

void ddekit_pte_clear_region	(	void *	virtual,
		int	type
	)

Clear virtual->physical mapping for VM region.

Parameters:

	virtual	virtual start address for region
	type	pte type for region

XXX unused page-tables not free'd

Definition at line 176 of file pgtab-old.c.

void ddekit_pte_set_region	(	void *	virtual,
		ddekit_addr_t	physical,
		int	pages,
		int	type
	)

Set virtual->physical mapping for VM region.

Parameters:

	virtual	virtual start address for region
	physical	physical start address for region
	pages	number of pages in region
	type	pte type for region

Definition at line 128 of file pgtab-old.c.

static void ddekit_set_pte	(	void *	p,
		ddekit_pte	pte
	)			[inline, static]

Set page-table entry.

Definition at line 88 of file pgtab-old.c.

static unsigned pg_num

(

l4_addr_t

addr

)

[inline, static]

Calculate offset of address in page table - page number.

Definition at line 62 of file pgtab-old.c.

static unsigned pt_num

(

l4_addr_t

addr

)

[inline, static]

Calculate offset of address in page directory - page-table number.

Definition at line 55 of file pgtab-old.c.

---

Variable Documentation

ddekit_pte* page_dir[PDIR_ENTRIES] [static]

Definition at line 67 of file pgtab-old.c.