From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- .../arch/x86/include/asm/pgtable-2level.h | 111 --------------------- 1 file changed, 111 deletions(-) delete mode 100644 ANDROID_3.4.5/arch/x86/include/asm/pgtable-2level.h (limited to 'ANDROID_3.4.5/arch/x86/include/asm/pgtable-2level.h') diff --git a/ANDROID_3.4.5/arch/x86/include/asm/pgtable-2level.h b/ANDROID_3.4.5/arch/x86/include/asm/pgtable-2level.h deleted file mode 100644 index 98391db8..00000000 --- a/ANDROID_3.4.5/arch/x86/include/asm/pgtable-2level.h +++ /dev/null @@ -1,111 +0,0 @@ -#ifndef _ASM_X86_PGTABLE_2LEVEL_H -#define _ASM_X86_PGTABLE_2LEVEL_H - -#define pte_ERROR(e) \ - printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, (e).pte_low) -#define pgd_ERROR(e) \ - printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) - -/* - * Certain architectures need to do special things when PTEs - * within a page table are directly modified. Thus, the following - * hook is made available. - */ -static inline void native_set_pte(pte_t *ptep , pte_t pte) -{ - *ptep = pte; -} - -static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) -{ - *pmdp = pmd; -} - -static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) -{ - native_set_pte(ptep, pte); -} - -static inline void native_pmd_clear(pmd_t *pmdp) -{ - native_set_pmd(pmdp, __pmd(0)); -} - -static inline void native_pte_clear(struct mm_struct *mm, - unsigned long addr, pte_t *xp) -{ - *xp = native_make_pte(0); -} - -#ifdef CONFIG_SMP -static inline pte_t native_ptep_get_and_clear(pte_t *xp) -{ - return __pte(xchg(&xp->pte_low, 0)); -} -#else -#define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp) -#endif - -#ifdef CONFIG_SMP -static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp) -{ - return __pmd(xchg((pmdval_t *)xp, 0)); -} -#else -#define native_pmdp_get_and_clear(xp) native_local_pmdp_get_and_clear(xp) -#endif - -/* - * Bits _PAGE_BIT_PRESENT, _PAGE_BIT_FILE and _PAGE_BIT_PROTNONE are taken, - * split up the 29 bits of offset into this range: - */ -#define PTE_FILE_MAX_BITS 29 -#define PTE_FILE_SHIFT1 (_PAGE_BIT_PRESENT + 1) -#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE -#define PTE_FILE_SHIFT2 (_PAGE_BIT_FILE + 1) -#define PTE_FILE_SHIFT3 (_PAGE_BIT_PROTNONE + 1) -#else -#define PTE_FILE_SHIFT2 (_PAGE_BIT_PROTNONE + 1) -#define PTE_FILE_SHIFT3 (_PAGE_BIT_FILE + 1) -#endif -#define PTE_FILE_BITS1 (PTE_FILE_SHIFT2 - PTE_FILE_SHIFT1 - 1) -#define PTE_FILE_BITS2 (PTE_FILE_SHIFT3 - PTE_FILE_SHIFT2 - 1) - -#define pte_to_pgoff(pte) \ - ((((pte).pte_low >> PTE_FILE_SHIFT1) \ - & ((1U << PTE_FILE_BITS1) - 1)) \ - + ((((pte).pte_low >> PTE_FILE_SHIFT2) \ - & ((1U << PTE_FILE_BITS2) - 1)) << PTE_FILE_BITS1) \ - + (((pte).pte_low >> PTE_FILE_SHIFT3) \ - << (PTE_FILE_BITS1 + PTE_FILE_BITS2))) - -#define pgoff_to_pte(off) \ - ((pte_t) { .pte_low = \ - (((off) & ((1U << PTE_FILE_BITS1) - 1)) << PTE_FILE_SHIFT1) \ - + ((((off) >> PTE_FILE_BITS1) & ((1U << PTE_FILE_BITS2) - 1)) \ - << PTE_FILE_SHIFT2) \ - + (((off) >> (PTE_FILE_BITS1 + PTE_FILE_BITS2)) \ - << PTE_FILE_SHIFT3) \ - + _PAGE_FILE }) - -/* 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).pte_low }) -#define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) - -#endif /* _ASM_X86_PGTABLE_2LEVEL_H */ -- cgit