diff options
Diffstat (limited to 'include/asm-x86/page.h')
| -rw-r--r-- | include/asm-x86/page.h | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h index 014f087d7c27..00353eb5666d 100644 --- a/include/asm-x86/page.h +++ b/include/asm-x86/page.h @@ -116,9 +116,57 @@ typedef struct { pteval_t pte; } pte_t; #ifdef CONFIG_X86_PAE #define __PHYSICAL_MASK_SHIFT 36 #define __VIRTUAL_MASK_SHIFT 32 +#define PAGETABLE_LEVELS 3 + +#ifndef __ASSEMBLY__ +typedef u64 pteval_t; +typedef u64 pmdval_t; +typedef u64 pudval_t; +typedef u64 pgdval_t; +typedef u64 pgprotval_t; +typedef u64 phys_addr_t; + +typedef struct { unsigned long pte_low, pte_high; } pte_t; + +static inline unsigned long long native_pte_val(pte_t pte) +{ + return pte.pte_low | ((unsigned long long)pte.pte_high << 32); +} + +static inline pte_t native_make_pte(unsigned long long val) +{ + return (pte_t) { .pte_low = val, .pte_high = (val >> 32) } ; +} + +#endif /* __ASSEMBLY__ + */ #else /* !CONFIG_X86_PAE */ #define __PHYSICAL_MASK_SHIFT 32 #define __VIRTUAL_MASK_SHIFT 32 +#define PAGETABLE_LEVELS 2 + +#ifndef __ASSEMBLY__ +typedef unsigned long pteval_t; +typedef unsigned long pmdval_t; +typedef unsigned long pudval_t; +typedef unsigned long pgdval_t; +typedef unsigned long pgprotval_t; +typedef unsigned long phys_addr_t; + +typedef struct { pteval_t pte_low; } pte_t; +typedef pte_t boot_pte_t; + +static inline unsigned long native_pte_val(pte_t pte) +{ + return pte.pte_low; +} + +static inline pte_t native_make_pte(unsigned long val) +{ + return (pte_t) { .pte_low = val }; +} + +#endif /* __ASSEMBLY__ */ #endif /* CONFIG_X86_PAE */ #ifdef CONFIG_HUGETLB_PAGE @@ -181,7 +229,6 @@ static void inline copy_user_page(void *to, void *from, unsigned long vaddr, alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE -#ifdef CONFIG_X86_64 typedef struct { pgdval_t pgd; } pgd_t; typedef struct { pgprotval_t pgprot; } pgprot_t; @@ -252,7 +299,6 @@ static inline pmdval_t native_pmd_val(pmd_t pmd) #endif /* CONFIG_PARAVIRT */ -#endif /* CONFIG_X86_64 */ #endif /* __ASSEMBLY__ */ |
