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Diffstat (limited to 'include/asm-x86/page.h')
-rw-r--r--include/asm-x86/page.h50
1 files changed, 48 insertions, 2 deletions
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 014f087d7c2..00353eb5666 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__ */