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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-08 23:42:01 -0800
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-02-11 14:54:10 -0800
commite42778de31d78ae262a3b901264eabefb9c3b51b (patch)
tree737f6261ab74666bba4fa92f87a133704eee39b8 /arch/x86/include/asm/page_types.h
parent1dfc07aad5479f1fb832ff6f61a5a9ce822d9e1f (diff)
x86: move defs around to allow paravirt.h to just include page_types.h
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Diffstat (limited to 'arch/x86/include/asm/page_types.h')
-rw-r--r--arch/x86/include/asm/page_types.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h
index 92dfd251a65..c41e3e8f227 100644
--- a/arch/x86/include/asm/page_types.h
+++ b/arch/x86/include/asm/page_types.h
@@ -51,18 +51,92 @@
typedef struct { pgdval_t pgd; } pgd_t;
typedef struct { pgprotval_t pgprot; } pgprot_t;
+static inline pgd_t native_make_pgd(pgdval_t val)
+{
+ return (pgd_t) { val };
+}
+
+static inline pgdval_t native_pgd_val(pgd_t pgd)
+{
+ return pgd.pgd;
+}
+
+static inline pgdval_t pgd_flags(pgd_t pgd)
+{
+ return native_pgd_val(pgd) & PTE_FLAGS_MASK;
+}
+
#if PAGETABLE_LEVELS > 3
typedef struct { pudval_t pud; } pud_t;
+
+static inline pud_t native_make_pud(pmdval_t val)
+{
+ return (pud_t) { val };
+}
+
+static inline pudval_t native_pud_val(pud_t pud)
+{
+ return pud.pud;
+}
#else
#include <asm-generic/pgtable-nopud.h>
+
+static inline pudval_t native_pud_val(pud_t pud)
+{
+ return native_pgd_val(pud.pgd);
+}
#endif
#if PAGETABLE_LEVELS > 2
typedef struct { pmdval_t pmd; } pmd_t;
+
+static inline pudval_t pud_flags(pud_t pud)
+{
+ return native_pud_val(pud) & PTE_FLAGS_MASK;
+}
+
+static inline pmd_t native_make_pmd(pmdval_t val)
+{
+ return (pmd_t) { val };
+}
+
+static inline pmdval_t native_pmd_val(pmd_t pmd)
+{
+ return pmd.pmd;
+}
#else
#include <asm-generic/pgtable-nopmd.h>
+
+static inline pmdval_t native_pmd_val(pmd_t pmd)
+{
+ return native_pgd_val(pmd.pud.pgd);
+}
#endif
+static inline pmdval_t pmd_flags(pmd_t pmd)
+{
+ return native_pmd_val(pmd) & PTE_FLAGS_MASK;
+}
+
+static inline pte_t native_make_pte(pteval_t val)
+{
+ return (pte_t) { .pte = val };
+}
+
+static inline pteval_t native_pte_val(pte_t pte)
+{
+ return pte.pte;
+}
+
+static inline pteval_t pte_flags(pte_t pte)
+{
+ return native_pte_val(pte) & PTE_FLAGS_MASK;
+}
+
+#define pgprot_val(x) ((x).pgprot)
+#define __pgprot(x) ((pgprot_t) { (x) } )
+
+
typedef struct page *pgtable_t;
extern int page_is_ram(unsigned long pagenr);