1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _ASM_GENERIC_PGTABLE_H 20 #define _ASM_GENERIC_PGTABLE_H 21 #ifndef __HAVE_ARCH_PTEP_ESTABLISH 22 #ifndef __HAVE_ARCH_SET_PTE_ATOMIC 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #define ptep_establish(__vma, __address, __ptep, __entry) do { set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); flush_tlb_page(__vma, __address); } while (0) 25 #else 26 #define ptep_establish(__vma, __address, __ptep, __entry) do { set_pte_atomic(__ptep, __entry); flush_tlb_page(__vma, __address); } while (0) 27 #endif 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #endif 30 #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS 31 #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) do { set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); flush_tlb_page(__vma, __address); } while (0) 32 #endif 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG 35 #define ptep_test_and_clear_young(__vma, __address, __ptep) ({ pte_t __pte = *(__ptep); int r = 1; if (!pte_young(__pte)) r = 0; else set_pte_at((__vma)->vm_mm, (__address), (__ptep), pte_mkold(__pte)); r; }) 36 #endif 37 #ifndef __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define ptep_clear_flush_young(__vma, __address, __ptep) ({ int __young; __young = ptep_test_and_clear_young(__vma, __address, __ptep); if (__young) flush_tlb_page(__vma, __address); __young; }) 40 #endif 41 #ifndef __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY 42 #define ptep_test_and_clear_dirty(__vma, __address, __ptep) ({ pte_t __pte = *__ptep; int r = 1; if (!pte_dirty(__pte)) r = 0; else set_pte_at((__vma)->vm_mm, (__address), (__ptep), pte_mkclean(__pte)); r; }) 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 #endif 45 #ifndef __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH 46 #define ptep_clear_flush_dirty(__vma, __address, __ptep) ({ int __dirty; __dirty = ptep_test_and_clear_dirty(__vma, __address, __ptep); if (__dirty) flush_tlb_page(__vma, __address); __dirty; }) 47 #endif 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 #ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR 50 #define ptep_get_and_clear(__mm, __address, __ptep) ({ pte_t __pte = *(__ptep); pte_clear((__mm), (__address), (__ptep)); __pte; }) 51 #endif 52 #ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 #define ptep_get_and_clear_full(__mm, __address, __ptep, __full) ({ pte_t __pte; __pte = ptep_get_and_clear((__mm), (__address), (__ptep)); __pte; }) 55 #endif 56 #ifndef __HAVE_ARCH_PTE_CLEAR_FULL 57 #define pte_clear_full(__mm, __address, __ptep, __full) do { pte_clear((__mm), (__address), (__ptep)); } while (0) 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59 #endif 60 #ifndef __HAVE_ARCH_PTEP_CLEAR_FLUSH 61 #define ptep_clear_flush(__vma, __address, __ptep) ({ pte_t __pte; __pte = ptep_get_and_clear((__vma)->vm_mm, __address, __ptep); flush_tlb_page(__vma, __address); __pte; }) 62 #endif 63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64 #ifndef __HAVE_ARCH_PTEP_SET_WRPROTECT 65 struct mm_struct; 66 #endif 67 #ifndef __HAVE_ARCH_PTE_SAME 68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69 #define pte_same(A,B) (pte_val(A) == pte_val(B)) 70 #endif 71 #ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY 72 #define page_test_and_clear_dirty(page) (0) 73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74 #define pte_maybe_dirty(pte) pte_dirty(pte) 75 #else 76 #define pte_maybe_dirty(pte) (1) 77 #endif 78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79 #ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_YOUNG 80 #define page_test_and_clear_young(page) (0) 81 #endif 82 #ifndef __HAVE_ARCH_PGD_OFFSET_GATE 83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84 #define pgd_offset_gate(mm, addr) pgd_offset(mm, addr) 85 #endif 86 #ifndef __HAVE_ARCH_LAZY_MMU_PROT_UPDATE 87 #define lazy_mmu_prot_update(pte) do { } while (0) 88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89 #endif 90 #ifndef __HAVE_ARCH_MOVE_PTE 91 #define move_pte(pte, prot, old_addr, new_addr) (pte) 92 #endif 93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94 #define pgd_addr_end(addr, end) ({ unsigned long __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK; (__boundary - 1 < (end) - 1)? __boundary: (end); }) 95 #ifndef pud_addr_end 96 #define pud_addr_end(addr, end) ({ unsigned long __boundary = ((addr) + PUD_SIZE) & PUD_MASK; (__boundary - 1 < (end) - 1)? __boundary: (end); }) 97 #endif 98 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 99 #ifndef pmd_addr_end 100 #define pmd_addr_end(addr, end) ({ unsigned long __boundary = ((addr) + PMD_SIZE) & PMD_MASK; (__boundary - 1 < (end) - 1)? __boundary: (end); }) 101 #endif 102 #ifndef __ASSEMBLY__ 103 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 104 #endif 105 #endif 106
