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_PGTABLE_32_H 20#define _ASM_PGTABLE_32_H 21#include <asm/addrspace.h> 22#include <asm/page.h> 23/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24#include <linux/linkage.h> 25#include <asm/cachectl.h> 26#include <asm/fixmap.h> 27#include <asm-generic/pgtable-nopmd.h> 28/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29#define PGDIR_SHIFT (2 * PAGE_SHIFT + PTE_ORDER - PTE_T_LOG2) 30#define PGDIR_SIZE (1UL << PGDIR_SHIFT) 31#define PGDIR_MASK (~(PGDIR_SIZE-1)) 32#define __PGD_ORDER (32 - 3 * PAGE_SHIFT + PGD_T_LOG2 + PTE_T_LOG2) 33/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34#define PGD_ORDER (__PGD_ORDER >= 0 ? __PGD_ORDER : 0) 35#define PUD_ORDER aieeee_attempt_to_allocate_pud 36#define PMD_ORDER 1 37#define PTE_ORDER 0 38/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39#define PTRS_PER_PGD (USER_PTRS_PER_PGD * 2) 40#define PTRS_PER_PTE ((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t)) 41#define USER_PTRS_PER_PGD (0x80000000UL/PGDIR_SIZE) 42#define FIRST_USER_ADDRESS 0 43/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44#define VMALLOC_START MAP_BASE 45#define PKMAP_BASE (0xfe000000UL) 46#define VMALLOC_END (FIXADDR_START-2*PAGE_SIZE) 47#define pte_ERROR(e) printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e)) 48/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49#define pgd_ERROR(e) printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) 50#define pmd_bad(pmd) (pmd_val(pmd) & ~PAGE_MASK) 51#define pte_page(x) pfn_to_page(pte_pfn(x)) 52#define pte_pfn(x) ((unsigned long)((x).pte >> _PFN_SHIFT)) 53/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54#define pfn_pte(pfn, prot) __pte(((unsigned long long)(pfn) << _PFN_SHIFT) | pgprot_val(prot)) 55#define __pgd_offset(address) pgd_index(address) 56#define __pud_offset(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1)) 57#define __pmd_offset(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) 58/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59#define pgd_offset_k(address) pgd_offset(&init_mm, address) 60#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) 61#define pgd_offset(mm, addr) ((mm)->pgd + pgd_index(addr)) 62#define __pte_offset(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) 63/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64#define pte_offset(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address)) 65#define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address)) 66#define pte_offset_map(dir, address) ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address)) 67#define pte_unmap(pte) ((void)(pte)) 68/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69#define __swp_type(x) (((x).val >> 8) & 0x1f) 70#define __swp_offset(x) ((x).val >> 13) 71#define __swp_entry(type,offset) ((swp_entry_t) { ((type) << 8) | ((offset) << 13) }) 72#define PTE_FILE_MAX_BITS 28 73/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74#define pte_to_pgoff(_pte) ((((_pte).pte >> 1) & 0x7) | (((_pte).pte >> 2) & 0x8) | (((_pte).pte >> 8) << 4)) 75#define pgoff_to_pte(off) ((pte_t) { (((off) & 0x7) << 1) | (((off) & 0x8) << 2) | (((off) >> 4) << 8) | _PAGE_FILE }) 76#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) 77#define __swp_entry_to_pte(x) ((pte_t) { (x).val }) 78/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79#endif 80