pgtable.h File Reference

#include <asm/pgtable-2level.h>
#include <asm/page.h>
#include <asm/mmu.h>
#include <asm/addrspace.h>
#include <asm/fixmap.h>
#include <asm/pgtable_64.h>
#include <asm-generic/pgtable.h>

Go to the source code of this file.

Macros
#define	ZERO_PAGE(vaddr)   (virt_to_page(empty_zero_page))
#define	NEFF   32
#define	NEFF_SIGN   (1LL << (NEFF - 1))
#define	NEFF_MASK   (-1LL << NEFF)
#define	NPHYS   32
#define	NPHYS_SIGN   (1LL << (NPHYS - 1))
#define	NPHYS_MASK   (-1LL << NPHYS)
#define	PGDIR_SIZE   (1UL << PGDIR_SHIFT)
#define	PGDIR_MASK   (~(PGDIR_SIZE-1))
#define	PTRS_PER_PTE   (PAGE_SIZE / (1 << PTE_MAGNITUDE))
#define	FIRST_USER_ADDRESS   0
#define	PHYS_ADDR_MASK29   0x1fffffff
#define	PHYS_ADDR_MASK32   0xffffffff
#define	PTE_PHYS_MASK   (phys_addr_mask() & PAGE_MASK)
#define	PTE_FLAGS_MASK   (~(PTE_PHYS_MASK) << PAGE_SHIFT)
#define	VMALLOC_START   (0xf0000000)
#define	VMALLOC_END   (FIXADDR_START-2*PAGE_SIZE)
#define	__P000   PAGE_NONE
#define	__P001   PAGE_READONLY
#define	__P010   PAGE_COPY
#define	__P011   PAGE_COPY
#define	__P100   PAGE_EXECREAD
#define	__P101   PAGE_EXECREAD
#define	__P110   PAGE_COPY
#define	__P111   PAGE_COPY
#define	__S000   PAGE_NONE
#define	__S001   PAGE_READONLY
#define	__S010   PAGE_WRITEONLY
#define	__S011   PAGE_SHARED
#define	__S100   PAGE_EXECREAD
#define	__S101   PAGE_EXECREAD
#define	__S110   PAGE_RWX
#define	__S111   PAGE_RWX
#define	kern_addr_valid(addr)   (1)
#define	io_remap_pfn_range(vma, vaddr, pfn, size, prot)   remap_pfn_range(vma, vaddr, pfn, size, prot)
#define	pte_pfn(x)   ((unsigned long)(((x).pte_low >> PAGE_SHIFT)))
#define	HAVE_ARCH_UNMAPPED_AREA
#define	HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
#define	__HAVE_ARCH_PTE_SPECIAL

Typedefs
typedef pte_t *	pte_addr_t

Functions
void	pgtable_cache_init (void)
void	__update_cache (struct vm_area_struct *vma, unsigned long address, pte_t pte)
void	__update_tlb (struct vm_area_struct *vma, unsigned long address, pte_t pte)
void	paging_init (void)
void	page_table_range_init (unsigned long start, unsigned long end, pgd_t *pgd)

Variables
unsigned long	empty_zero_page [PAGE_SIZE/sizeof(unsigned long)]
pgd_t	swapper_pg_dir [PTRS_PER_PGD]

Macro Definition Documentation

#define __HAVE_ARCH_PTE_SPECIAL

Definition at line 162 of file pgtable.h.

#define __P000   PAGE_NONE

Definition at line 105 of file pgtable.h.

#define __P001   PAGE_READONLY

Definition at line 106 of file pgtable.h.

#define __P010   PAGE_COPY

Definition at line 107 of file pgtable.h.

#define __P011   PAGE_COPY

Definition at line 108 of file pgtable.h.

#define __P100   PAGE_EXECREAD

Definition at line 109 of file pgtable.h.

#define __P101   PAGE_EXECREAD

Definition at line 110 of file pgtable.h.

#define __P110   PAGE_COPY

Definition at line 111 of file pgtable.h.

#define __P111   PAGE_COPY

Definition at line 112 of file pgtable.h.

#define __S000   PAGE_NONE

Definition at line 114 of file pgtable.h.

#define __S001   PAGE_READONLY

Definition at line 115 of file pgtable.h.

#define __S010   PAGE_WRITEONLY

Definition at line 116 of file pgtable.h.

#define __S011   PAGE_SHARED

Definition at line 117 of file pgtable.h.

#define __S100   PAGE_EXECREAD

Definition at line 118 of file pgtable.h.

#define __S101   PAGE_EXECREAD

Definition at line 119 of file pgtable.h.

#define __S110   PAGE_RWX

Definition at line 120 of file pgtable.h.

#define __S111   PAGE_RWX

Definition at line 121 of file pgtable.h.

#define FIRST_USER_ADDRESS   0

Definition at line 65 of file pgtable.h.

#define HAVE_ARCH_UNMAPPED_AREA

Definition at line 159 of file pgtable.h.

#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN

Definition at line 160 of file pgtable.h.

#define io_remap_pfn_range	(		vma,
			vaddr,
			pfn,
			size,
			prot
	)		remap_pfn_range(vma, vaddr, pfn, size, prot)

Definition at line 127 of file pgtable.h.

#define kern_addr_valid

(

addr

)

(1)

Definition at line 125 of file pgtable.h.

#define NEFF   32

Definition at line 40 of file pgtable.h.

#define NEFF_MASK   (-1LL << NEFF)

Definition at line 42 of file pgtable.h.

#define NEFF_SIGN   (1LL << (NEFF - 1))

Definition at line 41 of file pgtable.h.

#define NPHYS   32

Definition at line 53 of file pgtable.h.

#define NPHYS_MASK   (-1LL << NPHYS)

Definition at line 57 of file pgtable.h.

#define NPHYS_SIGN   (1LL << (NPHYS - 1))

Definition at line 56 of file pgtable.h.

#define PGDIR_MASK   (~(PGDIR_SIZE-1))

Definition at line 60 of file pgtable.h.

#define PGDIR_SIZE   (1UL << PGDIR_SHIFT)

Definition at line 59 of file pgtable.h.

#define PHYS_ADDR_MASK29   0x1fffffff

Definition at line 67 of file pgtable.h.

#define PHYS_ADDR_MASK32   0xffffffff

Definition at line 68 of file pgtable.h.

#define PTE_FLAGS_MASK   (~(PTE_PHYS_MASK) << PAGE_SHIFT)

Definition at line 80 of file pgtable.h.

#define pte_pfn

(

x

)

((unsigned long)(((x).pte_low >> PAGE_SHIFT)))

Definition at line 130 of file pgtable.h.

#define PTE_PHYS_MASK   (phys_addr_mask() & PAGE_MASK)

Definition at line 79 of file pgtable.h.

#define PTRS_PER_PTE   (PAGE_SIZE / (1 << PTE_MAGNITUDE))

Definition at line 63 of file pgtable.h.

#define VMALLOC_END   (FIXADDR_START-2*PAGE_SIZE)

Definition at line 87 of file pgtable.h.

#define VMALLOC_START   (0xf0000000)

Definition at line 85 of file pgtable.h.

#define ZERO_PAGE

(

vaddr

)

(virt_to_page(empty_zero_page))

Definition at line 32 of file pgtable.h.

Typedef Documentation

typedef pte_t* pte_addr_t

Definition at line 123 of file pgtable.h.

Function Documentation

void __update_cache	(	struct vm_area_struct *	vma,
		unsigned long	address,
		pte_t	pte
	)

Definition at line 121 of file cache.c.

void __update_tlb	(	struct vm_area_struct *	vma,
		unsigned long	address,
		pte_t	pte
	)

Definition at line 189 of file tlb-r3k.c.

void page_table_range_init	(	unsigned long	start,
		unsigned long	end,
		pgd_t *	pgd
	)

Definition at line 93 of file nommu.c.

void paging_init

(

void

)

paging_init - setup page tables

paging_init() sets up the page tables for each node of the system and frees the bootmem allocator memory for general use.

Definition at line 238 of file init.c.

void pgtable_cache_init

(

void

)

Definition at line 145 of file pgalloc.c.

Variable Documentation

unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)]

Definition at line 42 of file mmu.c.

pgd_t swapper_pg_dir[PTRS_PER_PGD]

Definition at line 36 of file init.c.