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 _I386_PGTABLE_H 20#define _I386_PGTABLE_H 21#ifndef __ASSEMBLY__ 22#include <asm/processor.h> 23/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24#include <asm/fixmap.h> 25#include <linux/threads.h> 26#include <asm/paravirt.h> 27#include <linux/bitops.h> 28/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29#include <linux/slab.h> 30#include <linux/list.h> 31#include <linux/spinlock.h> 32struct mm_struct; 33/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34struct vm_area_struct; 35#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) 36#include <asm/pgtable-2level-defs.h> 37#define PGDIR_SIZE (1UL << PGDIR_SHIFT) 38/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39#define PGDIR_MASK (~(PGDIR_SIZE-1)) 40#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) 41#define FIRST_USER_ADDRESS 0 42#define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT) 43/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44#define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS) 45#define TWOLEVEL_PGDIR_SHIFT 22 46#define BOOT_USER_PGD_PTRS (__PAGE_OFFSET >> TWOLEVEL_PGDIR_SHIFT) 47#define BOOT_KERNEL_PGD_PTRS (1024-BOOT_USER_PGD_PTRS) 48/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49#define VMALLOC_OFFSET (8*1024*1024) 50#define VMALLOC_START (((unsigned long) high_memory + 2*VMALLOC_OFFSET-1) & ~(VMALLOC_OFFSET-1)) 51#define VMALLOC_END (FIXADDR_START-2*PAGE_SIZE) 52#define _PAGE_BIT_PRESENT 0 53/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54#define _PAGE_BIT_RW 1 55#define _PAGE_BIT_USER 2 56#define _PAGE_BIT_PWT 3 57#define _PAGE_BIT_PCD 4 58/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59#define _PAGE_BIT_ACCESSED 5 60#define _PAGE_BIT_DIRTY 6 61#define _PAGE_BIT_PSE 7 62#define _PAGE_BIT_GLOBAL 8 63/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64#define _PAGE_BIT_UNUSED1 9 65#define _PAGE_BIT_UNUSED2 10 66#define _PAGE_BIT_UNUSED3 11 67#define _PAGE_BIT_NX 63 68/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69#define _PAGE_PRESENT 0x001 70#define _PAGE_RW 0x002 71#define _PAGE_USER 0x004 72#define _PAGE_PWT 0x008 73/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74#define _PAGE_PCD 0x010 75#define _PAGE_ACCESSED 0x020 76#define _PAGE_DIRTY 0x040 77#define _PAGE_PSE 0x080 78/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79#define _PAGE_GLOBAL 0x100 80#define _PAGE_UNUSED1 0x200 81#define _PAGE_UNUSED2 0x400 82#define _PAGE_UNUSED3 0x800 83/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84#define _PAGE_FILE 0x040 85#define _PAGE_PROTNONE 0x080 86#define _PAGE_NX 0 87#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED | _PAGE_DIRTY) 88/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY) 90#define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) 91#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) 92#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED) 93/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94#define PAGE_SHARED_EXEC __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED) 95#define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | _PAGE_NX) 96#define PAGE_COPY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) 97#define PAGE_COPY PAGE_COPY_NOEXEC 98/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 99#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | _PAGE_NX) 100#define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) 101#define _PAGE_KERNEL (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_NX) 102#define _PAGE_KERNEL_EXEC (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED) 103/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 104#define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) 105#define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) 106#define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD) 107#define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) 108/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 109#define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) 110#define PAGE_KERNEL __pgprot(__PAGE_KERNEL) 111#define PAGE_KERNEL_RO __pgprot(__PAGE_KERNEL_RO) 112#define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC) 113/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 114#define PAGE_KERNEL_RX __pgprot(__PAGE_KERNEL_RX) 115#define PAGE_KERNEL_NOCACHE __pgprot(__PAGE_KERNEL_NOCACHE) 116#define PAGE_KERNEL_LARGE __pgprot(__PAGE_KERNEL_LARGE) 117#define PAGE_KERNEL_LARGE_EXEC __pgprot(__PAGE_KERNEL_LARGE_EXEC) 118/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 119#define __P000 PAGE_NONE 120#define __P001 PAGE_READONLY 121#define __P010 PAGE_COPY 122#define __P011 PAGE_COPY 123/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 124#define __P100 PAGE_READONLY_EXEC 125#define __P101 PAGE_READONLY_EXEC 126#define __P110 PAGE_COPY_EXEC 127#define __P111 PAGE_COPY_EXEC 128/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 129#define __S000 PAGE_NONE 130#define __S001 PAGE_READONLY 131#define __S010 PAGE_SHARED 132#define __S011 PAGE_SHARED 133/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 134#define __S100 PAGE_READONLY_EXEC 135#define __S101 PAGE_READONLY_EXEC 136#define __S110 PAGE_SHARED_EXEC 137#define __S111 PAGE_SHARED_EXEC 138/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 139#undef TEST_ACCESS_OK 140#define pte_present(x) ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE)) 141#define pmd_none(x) (!(unsigned long)pmd_val(x)) 142#define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT) 143/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 144#define pmd_bad(x) ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) 145#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) 146#include <asm/pgtable-2level.h> 147#define pte_update(mm, addr, ptep) do { } while (0) 148/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 149#define pte_update_defer(mm, addr, ptep) do { } while (0) 150#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS 151#define ptep_set_access_flags(vma, address, ptep, entry, dirty) ({ int __changed = !pte_same(*(ptep), entry); if (__changed && dirty) { (ptep)->pte_low = (entry).pte_low; pte_update_defer((vma)->vm_mm, (address), (ptep)); flush_tlb_page(vma, address); } __changed; }) 152#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG 153/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 154#define ptep_test_and_clear_young(vma, addr, ptep) ({ int __ret = 0; if (pte_young(*(ptep))) __ret = test_and_clear_bit(_PAGE_BIT_ACCESSED, &(ptep)->pte_low); if (__ret) pte_update((vma)->vm_mm, addr, ptep); __ret; }) 155#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH 156#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; }) 157#define __HAVE_ARCH_PTEP_GET_AND_CLEAR 158/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 159#define __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL 160#define __HAVE_ARCH_PTEP_SET_WRPROTECT 161#define pgprot_noncached(prot) ((boot_cpu_data.x86 > 3) ? (__pgprot(pgprot_val(prot) | _PAGE_PCD | _PAGE_PWT)) : (prot)) 162#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) 163/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 164#define pmd_large(pmd) ((pmd_val(pmd) & (_PAGE_PSE|_PAGE_PRESENT)) == (_PAGE_PSE|_PAGE_PRESENT)) 165#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) 166#define pgd_index_k(addr) pgd_index(addr) 167#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address)) 168/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 169#define pgd_offset_k(address) pgd_offset(&init_mm, address) 170#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) 171#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) 172#define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address)) 173/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 174#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) 175#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) 176#define pte_offset_map(dir, address) ((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address)) 177#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address) 178/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 179#define pte_unmap(pte) do { } while (0) 180#define pte_unmap_nested(pte) do { } while (0) 181#define kpte_clear_flush(ptep, vaddr) do { pte_clear(&init_mm, vaddr, ptep); __flush_tlb_one(vaddr); } while (0) 182#define update_mmu_cache(vma,address,pte) do { } while (0) 183/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 184#endif 185#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) remap_pfn_range(vma, vaddr, pfn, size, prot) 186#include <asm-generic/pgtable.h> 187#endif 188/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 189