diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/include/asm/pgtable_64.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/x86/include/asm/pgtable_64.h | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/ANDROID_3.4.5/arch/x86/include/asm/pgtable_64.h b/ANDROID_3.4.5/arch/x86/include/asm/pgtable_64.h deleted file mode 100644 index 975f709e..00000000 --- a/ANDROID_3.4.5/arch/x86/include/asm/pgtable_64.h +++ /dev/null @@ -1,187 +0,0 @@ -#ifndef _ASM_X86_PGTABLE_64_H -#define _ASM_X86_PGTABLE_64_H - -#include <linux/const.h> -#include <asm/pgtable_64_types.h> - -#ifndef __ASSEMBLY__ - -/* - * This file contains the functions and defines necessary to modify and use - * the x86-64 page table tree. - */ -#include <asm/processor.h> -#include <linux/bitops.h> -#include <linux/threads.h> - -extern pud_t level3_kernel_pgt[512]; -extern pud_t level3_ident_pgt[512]; -extern pmd_t level2_kernel_pgt[512]; -extern pmd_t level2_fixmap_pgt[512]; -extern pmd_t level2_ident_pgt[512]; -extern pgd_t init_level4_pgt[]; - -#define swapper_pg_dir init_level4_pgt - -extern void paging_init(void); - -#define pte_ERROR(e) \ - printk("%s:%d: bad pte %p(%016lx).\n", \ - __FILE__, __LINE__, &(e), pte_val(e)) -#define pmd_ERROR(e) \ - printk("%s:%d: bad pmd %p(%016lx).\n", \ - __FILE__, __LINE__, &(e), pmd_val(e)) -#define pud_ERROR(e) \ - printk("%s:%d: bad pud %p(%016lx).\n", \ - __FILE__, __LINE__, &(e), pud_val(e)) -#define pgd_ERROR(e) \ - printk("%s:%d: bad pgd %p(%016lx).\n", \ - __FILE__, __LINE__, &(e), pgd_val(e)) - -struct mm_struct; - -void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte); - - -static inline void native_pte_clear(struct mm_struct *mm, unsigned long addr, - pte_t *ptep) -{ - *ptep = native_make_pte(0); -} - -static inline void native_set_pte(pte_t *ptep, pte_t pte) -{ - *ptep = pte; -} - -static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) -{ - native_set_pte(ptep, pte); -} - -static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) -{ - *pmdp = pmd; -} - -static inline void native_pmd_clear(pmd_t *pmd) -{ - native_set_pmd(pmd, native_make_pmd(0)); -} - -static inline pte_t native_ptep_get_and_clear(pte_t *xp) -{ -#ifdef CONFIG_SMP - return native_make_pte(xchg(&xp->pte, 0)); -#else - /* native_local_ptep_get_and_clear, - but duplicated because of cyclic dependency */ - pte_t ret = *xp; - native_pte_clear(NULL, 0, xp); - return ret; -#endif -} - -static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp) -{ -#ifdef CONFIG_SMP - return native_make_pmd(xchg(&xp->pmd, 0)); -#else - /* native_local_pmdp_get_and_clear, - but duplicated because of cyclic dependency */ - pmd_t ret = *xp; - native_pmd_clear(xp); - return ret; -#endif -} - -static inline void native_set_pud(pud_t *pudp, pud_t pud) -{ - *pudp = pud; -} - -static inline void native_pud_clear(pud_t *pud) -{ - native_set_pud(pud, native_make_pud(0)); -} - -static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd) -{ - *pgdp = pgd; -} - -static inline void native_pgd_clear(pgd_t *pgd) -{ - native_set_pgd(pgd, native_make_pgd(0)); -} - -extern void sync_global_pgds(unsigned long start, unsigned long end); - -/* - * Conversion functions: convert a page and protection to a page entry, - * and a page entry and page directory to the page they refer to. - */ - -/* - * Level 4 access. - */ -static inline int pgd_large(pgd_t pgd) { return 0; } -#define mk_kernel_pgd(address) __pgd((address) | _KERNPG_TABLE) - -/* PUD - Level3 access */ - -/* PMD - Level 2 access */ -#define pte_to_pgoff(pte) ((pte_val((pte)) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT) -#define pgoff_to_pte(off) ((pte_t) { .pte = ((off) << PAGE_SHIFT) | \ - _PAGE_FILE }) -#define PTE_FILE_MAX_BITS __PHYSICAL_MASK_SHIFT - -/* PTE - Level 1 access. */ - -/* x86-64 always has all page tables mapped. */ -#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) - -/* Encode and de-code a swap entry */ -#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE -#define SWP_TYPE_BITS (_PAGE_BIT_FILE - _PAGE_BIT_PRESENT - 1) -#define SWP_OFFSET_SHIFT (_PAGE_BIT_PROTNONE + 1) -#else -#define SWP_TYPE_BITS (_PAGE_BIT_PROTNONE - _PAGE_BIT_PRESENT - 1) -#define SWP_OFFSET_SHIFT (_PAGE_BIT_FILE + 1) -#endif - -#define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS) - -#define __swp_type(x) (((x).val >> (_PAGE_BIT_PRESENT + 1)) \ - & ((1U << SWP_TYPE_BITS) - 1)) -#define __swp_offset(x) ((x).val >> SWP_OFFSET_SHIFT) -#define __swp_entry(type, offset) ((swp_entry_t) { \ - ((type) << (_PAGE_BIT_PRESENT + 1)) \ - | ((offset) << SWP_OFFSET_SHIFT) }) -#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val((pte)) }) -#define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) - -extern int kern_addr_valid(unsigned long addr); -extern void cleanup_highmap(void); - -#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 - -/* fs/proc/kcore.c */ -#define kc_vaddr_to_offset(v) ((v) & __VIRTUAL_MASK) -#define kc_offset_to_vaddr(o) ((o) | ~__VIRTUAL_MASK) - -#define __HAVE_ARCH_PTE_SAME - -#endif /* !__ASSEMBLY__ */ - -#endif /* _ASM_X86_PGTABLE_64_H */ |