#include <asm-generic/pgtable-nopmd.h>
#include <linux/sched.h>
#include <linux/threads.h>
#include <asm/io.h>
#include <asm/pte-hash32.h>
#include <asm/pte-common.h>

Macros
#define	PGDIR_SHIFT (PAGE_SHIFT + PTE_SHIFT)

#define	PGDIR_SIZE (1UL << PGDIR_SHIFT)

#define	PGDIR_MASK (~(PGDIR_SIZE-1))

#define	PTE_TABLE_SIZE (sizeof(pte_t) << PTE_SHIFT)

#define	PGD_TABLE_SIZE (sizeof(pgd_t) << (32 - PGDIR_SHIFT))

#define	PTRS_PER_PTE (1 << PTE_SHIFT)

#define	PTRS_PER_PMD 1

#define	PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT))

#define	USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)

#define	FIRST_USER_ADDRESS 0

#define	pte_ERROR(e)

#define	pgd_ERROR(e) printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))

#define	KVIRT_TOP (0xfe000000UL) /* for now, could be FIXMAP_BASE ? */

#define	IOREMAP_TOP KVIRT_TOP

#define	VMALLOC_OFFSET (0x1000000) /* 16M */

#define	VMALLOC_START ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))

#define	VMALLOC_END ioremap_bot

#define	pte_clear(mm, addr, ptep) do { pte_update(ptep, ~_PAGE_HASHPTE, 0); } while (0)

#define	pmd_none(pmd) (!pmd_val(pmd))

#define	pmd_bad(pmd) (pmd_val(pmd) & _PMD_BAD)

#define	pmd_present(pmd) (pmd_val(pmd) & _PMD_PRESENT_MASK)

#define	pmd_clear(pmdp) do { pmd_val(*(pmdp)) = 0; } while (0)

#define	__HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG

#define	ptep_test_and_clear_young(__vma, __addr, __ptep) __ptep_test_and_clear_young((__vma)->vm_mm->context.id, __addr, __ptep)

#define	__HAVE_ARCH_PTEP_GET_AND_CLEAR

#define	__HAVE_ARCH_PTEP_SET_WRPROTECT

#define	__HAVE_ARCH_PTE_SAME

#define	pte_same(A, B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HASHPTE) == 0)

#define	pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))

#define	pmd_page(pmd) pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)

#define	pgd_offset_k(address) pgd_offset(&init_mm, address)

#define	pgd_index(address) ((address) >> PGDIR_SHIFT)

#define	pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))

#define	pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))

#define	pte_offset_kernel(dir, addr) ((pte_t ) pmd_page_vaddr((dir)) + pte_index(addr))

#define	pte_offset_map(dir, addr) ((pte_t ) kmap_atomic(pmd_page((dir))) + pte_index(addr))

#define	pte_unmap(pte) kunmap_atomic(pte)

#define	__swp_type(entry) ((entry).val & 0x1f)

#define	__swp_offset(entry) ((entry).val >> 5)

#define	__swp_entry(type, offset) ((swp_entry_t) { (type) \| ((offset) << 5) })

#define	__pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 3 })

#define	__swp_entry_to_pte(x) ((pte_t) { (x).val << 3 })

#define	PTE_FILE_MAX_BITS 29

#define	pte_to_pgoff(pte) (pte_val(pte) >> 3)

#define	pgoff_to_pte(off) ((pte_t) { ((off) << 3) \| _PAGE_FILE })

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

Functions
unsigned long	va_to_phys (unsigned long address)

pte_t *	va_to_pte (unsigned long address)

int	flush_hash_pages (unsigned context, unsigned long va, unsigned long pmdval, int count)

void	add_hash_page (unsigned context, unsigned long va, unsigned long pmdval)

void	flush_hash_entry (struct mm_struct mm, pte_t ptep, unsigned long address)

int	get_pteptr (struct mm_struct mm, unsigned long addr, pte_t ptep, pmd_t *pmdp)

Variables
unsigned long	ioremap_bot

Macro Definition Documentation

#define __HAVE_ARCH_PTE_SAME

Definition at line 276 of file pgtable-ppc32.h.

#define __HAVE_ARCH_PTEP_GET_AND_CLEAR

Definition at line 249 of file pgtable-ppc32.h.

#define __HAVE_ARCH_PTEP_SET_WRPROTECT

Definition at line 256 of file pgtable-ppc32.h.

#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG

Definition at line 233 of file pgtable-ppc32.h.

#define __pte_to_swp_entry ( pte ) ((swp_entry_t) { pte_val(pte) >> 3 })

Definition at line 323 of file pgtable-ppc32.h.

#define __swp_entry	(	type,
		offset
	)	((swp_entry_t) { (type) \| ((offset) << 5) })

Definition at line 322 of file pgtable-ppc32.h.

#define __swp_entry_to_pte ( x ) ((pte_t) { (x).val << 3 })

Definition at line 324 of file pgtable-ppc32.h.

#define __swp_offset ( entry ) ((entry).val >> 5)

Definition at line 321 of file pgtable-ppc32.h.

#define __swp_type ( entry ) ((entry).val & 0x1f)

Definition at line 320 of file pgtable-ppc32.h.

#define FIRST_USER_ADDRESS 0

Definition at line 50 of file pgtable-ppc32.h.

#define IOREMAP_TOP KVIRT_TOP

Definition at line 77 of file pgtable-ppc32.h.

#define KVIRT_TOP (0xfe000000UL) /* for now, could be FIXMAP_BASE ? */

Definition at line 66 of file pgtable-ppc32.h.

#define pgd_ERROR ( e ) printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))

Definition at line 55 of file pgtable-ppc32.h.

#define pgd_index ( address ) ((address) >> PGDIR_SHIFT)

Definition at line 302 of file pgtable-ppc32.h.

#define pgd_offset	(	mm,
		address
	)	((mm)->pgd + pgd_index(address))

Definition at line 303 of file pgtable-ppc32.h.

#define pgd_offset_k ( address ) pgd_offset(&init_mm, address)

Definition at line 299 of file pgtable-ppc32.h.

#define PGD_TABLE_SIZE (sizeof(pgd_t) << (32 - PGDIR_SHIFT))

Definition at line 42 of file pgtable-ppc32.h.

#define PGDIR_MASK (~(PGDIR_SIZE-1))

Definition at line 34 of file pgtable-ppc32.h.

#define PGDIR_SHIFT (PAGE_SHIFT + PTE_SHIFT)

Definition at line 32 of file pgtable-ppc32.h.

#define PGDIR_SIZE (1UL << PGDIR_SHIFT)

Definition at line 33 of file pgtable-ppc32.h.

#define pgoff_to_pte ( off ) ((pte_t) { ((off) << 3) | _PAGE_FILE })

Definition at line 329 of file pgtable-ppc32.h.

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

Definition at line 334 of file pgtable-ppc32.h.

#define pmd_bad ( pmd ) (pmd_val(pmd) & _PMD_BAD)

Definition at line 133 of file pgtable-ppc32.h.

#define pmd_clear ( pmdp ) do { pmd_val(*(pmdp)) = 0; } while (0)

Definition at line 135 of file pgtable-ppc32.h.

#define pmd_none ( pmd ) (!pmd_val(pmd))

Definition at line 132 of file pgtable-ppc32.h.

#define pmd_page ( pmd ) pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)

Definition at line 289 of file pgtable-ppc32.h.

#define pmd_page_vaddr ( pmd ) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))

Definition at line 287 of file pgtable-ppc32.h.

#define pmd_present ( pmd ) (pmd_val(pmd) & _PMD_PRESENT_MASK)

Definition at line 134 of file pgtable-ppc32.h.

#define pte_clear	(	mm,
		addr,
		ptep
	)	do { pte_update(ptep, ~_PAGE_HASHPTE, 0); } while (0)

Definition at line 129 of file pgtable-ppc32.h.

#define pte_ERROR ( e )

Value:

printk("%s:%d: bad pte %llx.\n", __FILE__, __LINE__, \

(unsigned long long)pte_val(e))

Definition at line 52 of file pgtable-ppc32.h.

#define PTE_FILE_MAX_BITS 29

Definition at line 327 of file pgtable-ppc32.h.

#define pte_index ( address ) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))

Definition at line 306 of file pgtable-ppc32.h.

#define pte_offset_kernel	(	dir,
		addr
	)	((pte_t ) pmd_page_vaddr((dir)) + pte_index(addr))

Definition at line 308 of file pgtable-ppc32.h.

#define pte_offset_map	(	dir,
		addr
	)	((pte_t ) kmap_atomic(pmd_page((dir))) + pte_index(addr))

Definition at line 310 of file pgtable-ppc32.h.

#define pte_same	(	A,
		B
	)	(((pte_val(A) ^ pte_val(B)) & ~_PAGE_HASHPTE) == 0)

Definition at line 277 of file pgtable-ppc32.h.

#define PTE_TABLE_SIZE (sizeof(pte_t) << PTE_SHIFT)

Definition at line 41 of file pgtable-ppc32.h.

#define pte_to_pgoff ( pte ) (pte_val(pte) >> 3)

Definition at line 328 of file pgtable-ppc32.h.

#define pte_unmap ( pte ) kunmap_atomic(pte)

Definition at line 312 of file pgtable-ppc32.h.

#define ptep_test_and_clear_young	(	__vma,
		__addr,
		__ptep
	)	__ptep_test_and_clear_young((__vma)->vm_mm->context.id, __addr, __ptep)

Definition at line 246 of file pgtable-ppc32.h.

#define PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT))

Definition at line 47 of file pgtable-ppc32.h.

#define PTRS_PER_PMD 1

Definition at line 46 of file pgtable-ppc32.h.

#define PTRS_PER_PTE (1 << PTE_SHIFT)

Definition at line 45 of file pgtable-ppc32.h.

#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)

Definition at line 49 of file pgtable-ppc32.h.

#define VMALLOC_END ioremap_bot

Definition at line 103 of file pgtable-ppc32.h.

#define VMALLOC_OFFSET (0x1000000) /* 16M */

Definition at line 97 of file pgtable-ppc32.h.

#define VMALLOC_START ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))

Definition at line 101 of file pgtable-ppc32.h.

Function Documentation

void add_hash_page	(	unsigned	context,
		unsigned long	va,
		unsigned long	pmdval
	)

void flush_hash_entry	(	struct mm_struct *	mm,
		pte_t *	ptep,
		unsigned long	address
	)

Definition at line 40 of file tlb_hash32.c.

int flush_hash_pages	(	unsigned	context,
		unsigned long	va,
		unsigned long	pmdval,
		int	count
	)

int get_pteptr	(	struct mm_struct *	mm,
		unsigned long	addr,
		pte_t **	ptep,
		pmd_t **	pmdp
	)

Definition at line 357 of file pgtable_32.c.

unsigned long va_to_phys ( unsigned long address )

pte_t* va_to_pte ( unsigned long address )

Variable Documentation

unsigned long ioremap_bot

Definition at line 45 of file pgtable.c.

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation