| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 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 | **************************************************************************** |
| 11 | ****************************************************************************/ |
| 12 | #ifndef _I386_PGTABLE_2LEVEL_H |
| 13 | #define _I386_PGTABLE_2LEVEL_H |
| Ben Cheng | 4b29af0 | 2012-03-07 16:14:53 -0800 | [diff] [blame] | 14 | |
| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 15 | #define pte_ERROR(e) printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, (e).pte_low) |
| 16 | #define pgd_ERROR(e) printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) |
| Ben Cheng | 4b29af0 | 2012-03-07 16:14:53 -0800 | [diff] [blame] | 17 | |
| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 18 | #define set_pte(pteptr, pteval) native_set_pte(pteptr, pteval) |
| 19 | #define set_pte_at(mm,addr,ptep,pteval) native_set_pte_at(mm, addr, ptep, pteval) |
| 20 | #define set_pmd(pmdptr, pmdval) native_set_pmd(pmdptr, pmdval) |
| 21 | #define set_pte_atomic(pteptr, pteval) set_pte(pteptr,pteval) |
| 22 | #define set_pte_present(mm,addr,ptep,pteval) set_pte_at(mm,addr,ptep,pteval) |
| 23 | #define pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0) |
| 24 | #define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) |
| 25 | #define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp) |
| 26 | #define pte_page(x) pfn_to_page(pte_pfn(x)) |
| 27 | #define pte_none(x) (!(x).pte_low) |
| 28 | #define pte_pfn(x) (pte_val(x) >> PAGE_SHIFT) |
| 29 | #define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) |
| 30 | #define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot)) |
| 31 | #define PTE_FILE_MAX_BITS 29 |
| 32 | #define pte_to_pgoff(pte) ((((pte).pte_low >> 1) & 0x1f ) + (((pte).pte_low >> 8) << 5 )) |
| 33 | #define pgoff_to_pte(off) ((pte_t) { (((off) & 0x1f) << 1) + (((off) >> 5) << 8) + _PAGE_FILE }) |
| 34 | #define __swp_type(x) (((x).val >> 1) & 0x1f) |
| 35 | #define __swp_offset(x) ((x).val >> 8) |
| 36 | #define __swp_entry(type, offset) ((swp_entry_t) { ((type) << 1) | ((offset) << 8) }) |
| 37 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) |
| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 38 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) |
| 39 | #endif |