#include <linux/const.h>
#include <asm/pgtable_64_types.h>
#include <asm/processor.h>
#include <linux/bitops.h>
#include <linux/threads.h>

Macros
#define	swapper_pg_dir init_level4_pgt

#define	pte_ERROR(e)

#define	pmd_ERROR(e)

#define	pud_ERROR(e)

#define	pgd_ERROR(e)

#define	mk_kernel_pgd(address) __pgd((address) \| _KERNPG_TABLE)

#define	pte_to_pgoff(pte) ((pte_val((pte)) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT)

#define	pgoff_to_pte(off)

#define	PTE_FILE_MAX_BITS __PHYSICAL_MASK_SHIFT

#define	pte_offset_map(dir, address) pte_offset_kernel((dir), (address))

#define	pte_unmap(pte) ((void)(pte))/* NOP */

#define	update_mmu_cache(vma, address, ptep) do { } while (0)

#define	update_mmu_cache_pmd(vma, address, pmd) do { } while (0)

#define	SWP_TYPE_BITS (_PAGE_BIT_PROTNONE - _PAGE_BIT_PRESENT - 1)

#define	SWP_OFFSET_SHIFT (_PAGE_BIT_FILE + 1)

#define	MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS)

#define	__swp_type(x)

#define	__swp_offset(x) ((x).val >> SWP_OFFSET_SHIFT)

#define	__swp_entry(type, offset)

#define	__pte_to_swp_entry(pte) ((swp_entry_t) { pte_val((pte)) })

#define	__swp_entry_to_pte(x) ((pte_t) { .pte = (x).val })

#define	HAVE_ARCH_UNMAPPED_AREA

#define	HAVE_ARCH_UNMAPPED_AREA_TOPDOWN

#define	pgtable_cache_init() do { } while (0)

#define	check_pgt_cache() do { } while (0)

#define	PAGE_AGP PAGE_KERNEL_NOCACHE

#define	HAVE_PAGE_AGP 1

#define	kc_vaddr_to_offset(v) ((v) & __VIRTUAL_MASK)

#define	kc_offset_to_vaddr(o) ((o) \| ~__VIRTUAL_MASK)

#define	__HAVE_ARCH_PTE_SAME

Functions
void	paging_init (void)

void	set_pte_vaddr_pud (pud_t *pud_page, unsigned long vaddr, pte_t new_pte)

void	sync_global_pgds (unsigned long start, unsigned long end)

int	kern_addr_valid (unsigned long addr)

void	cleanup_highmap (void)

Variables
pud_t	level3_kernel_pgt [512]

pud_t	level3_ident_pgt [512]

pmd_t	level2_kernel_pgt [512]

pmd_t	level2_fixmap_pgt [512]

pmd_t	level2_ident_pgt [512]

pgd_t	init_level4_pgt []

Macro Definition Documentation

#define __HAVE_ARCH_PTE_SAME

Definition at line 184 of file pgtable_64.h.

#define __pte_to_swp_entry ( pte ) ((swp_entry_t) { pte_val((pte)) })

Definition at line 165 of file pgtable_64.h.

#define __swp_entry	(	type,
		offset
	)

Value:

((swp_entry_t) { \
                     ((type) << (_PAGE_BIT_PRESENT + 1)) \
                     | ((offset) << SWP_OFFSET_SHIFT) })

Definition at line 162 of file pgtable_64.h.

#define __swp_entry_to_pte ( x ) ((pte_t) { .pte = (x).val })

Definition at line 166 of file pgtable_64.h.

#define __swp_offset ( x ) ((x).val >> SWP_OFFSET_SHIFT)

Definition at line 161 of file pgtable_64.h.

#define __swp_type ( x )

Value:

(((x).val >> (_PAGE_BIT_PRESENT + 1)) \

& ((1U << SWP_TYPE_BITS) - 1))

Definition at line 159 of file pgtable_64.h.

#define check_pgt_cache ( void ) do { } while (0)

Definition at line 175 of file pgtable_64.h.

#define HAVE_ARCH_UNMAPPED_AREA

Definition at line 171 of file pgtable_64.h.

#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN

Definition at line 172 of file pgtable_64.h.

#define HAVE_PAGE_AGP 1

Definition at line 178 of file pgtable_64.h.

#define kc_offset_to_vaddr ( o ) ((o) | ~__VIRTUAL_MASK)

Definition at line 182 of file pgtable_64.h.

#define kc_vaddr_to_offset ( v ) ((v) & __VIRTUAL_MASK)

Definition at line 181 of file pgtable_64.h.

#define MAX_SWAPFILES_CHECK ( ) BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS)

Definition at line 157 of file pgtable_64.h.

#define mk_kernel_pgd ( address ) __pgd((address) | _KERNPG_TABLE)

Definition at line 129 of file pgtable_64.h.

#define PAGE_AGP PAGE_KERNEL_NOCACHE

Definition at line 177 of file pgtable_64.h.

#define pgd_ERROR ( e )

Value:

pr_err("%s:%d: bad pgd %p(%016lx)\n", \

__FILE__, __LINE__, &(e), pgd_val(e))

Definition at line 37 of file pgtable_64.h.

#define pgoff_to_pte ( off )

Value:

((pte_t) { .pte = ((off) << PAGE_SHIFT) | \

_PAGE_FILE })

Definition at line 135 of file pgtable_64.h.

#define pgtable_cache_init ( void ) do { } while (0)

Definition at line 174 of file pgtable_64.h.

#define pmd_ERROR ( e )

Value:

pr_err("%s:%d: bad pmd %p(%016lx)\n", \

__FILE__, __LINE__, &(e), pmd_val(e))

Definition at line 31 of file pgtable_64.h.

#define pte_ERROR ( e )

Value:

pr_err("%s:%d: bad pte %p(%016lx)\n", \

__FILE__, __LINE__, &(e), pte_val(e))

Definition at line 28 of file pgtable_64.h.

#define PTE_FILE_MAX_BITS __PHYSICAL_MASK_SHIFT

Definition at line 137 of file pgtable_64.h.

#define pte_offset_map	(	dir,
		address
	)	pte_offset_kernel((dir), (address))

Definition at line 142 of file pgtable_64.h.

#define pte_to_pgoff ( pte ) ((pte_val((pte)) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT)

Definition at line 134 of file pgtable_64.h.

#define pte_unmap ( pte ) ((void)(pte))/* NOP */

Definition at line 143 of file pgtable_64.h.

#define pud_ERROR ( e )

Value:

pr_err("%s:%d: bad pud %p(%016lx)\n", \

__FILE__, __LINE__, &(e), pud_val(e))

Definition at line 34 of file pgtable_64.h.

#define swapper_pg_dir init_level4_pgt

Definition at line 24 of file pgtable_64.h.

#define SWP_OFFSET_SHIFT (_PAGE_BIT_FILE + 1)

Definition at line 154 of file pgtable_64.h.

#define SWP_TYPE_BITS (_PAGE_BIT_PROTNONE - _PAGE_BIT_PRESENT - 1)

Definition at line 153 of file pgtable_64.h.

#define update_mmu_cache	(	vma,
		address,
		ptep
	)	do { } while (0)

Definition at line 145 of file pgtable_64.h.

#define update_mmu_cache_pmd	(	vma,
		address,
		pmd
	)	do { } while (0)

Definition at line 146 of file pgtable_64.h.

Function Documentation

void cleanup_highmap ( void )

Definition at line 302 of file init_64.c.

int kern_addr_valid ( unsigned long addr )

Definition at line 322 of file mmu.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 set_pte_vaddr_pud	(	pud_t *	pud_page,
		unsigned long	vaddr,
		pte_t	new_pte
	)

Definition at line 195 of file init_64.c.

void sync_global_pgds	(	unsigned long	start,
		unsigned long	end
	)

Definition at line 104 of file init_64.c.

Variable Documentation

pgd_t init_level4_pgt[]

pmd_t level2_fixmap_pgt[512]

pmd_t level2_ident_pgt[512]

pmd_t level2_kernel_pgt[512]

pud_t level3_ident_pgt[512]

pud_t level3_kernel_pgt[512]

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation