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author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-02-11 10:20:05 -0800 |
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committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-02-11 14:54:10 -0800 |
commit | 54321d947ae9d6a051b81e3eccaf2d8658aeecc6 (patch) | |
tree | 2843c22a872d39cf815ca0d6b250bb8684dadb2b /arch/x86/include/asm/pgtable_types.h | |
parent | e2f5bda94152fa567f6b48126741014123f982b8 (diff) | |
download | linux-54321d947ae9d6a051b81e3eccaf2d8658aeecc6.tar.bz2 |
x86: move pte types into pgtable*.h
pgtable*.h is intended for definitions relating to actual pagetables
and their entries, so move all the definitions for
(pte|pmd|pud|pgd)(val)?_t to the appropriate pgtable*.h headers.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/include/asm/pgtable_types.h')
-rw-r--r-- | arch/x86/include/asm/pgtable_types.h | 107 |
1 files changed, 101 insertions, 6 deletions
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index e5d5a8d3577c..a7452f10930e 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -162,9 +162,110 @@ #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ #endif +#ifdef CONFIG_X86_32 +# include "pgtable_32_types.h" +#else +# include "pgtable_64_types.h" +#endif + #ifndef __ASSEMBLY__ +#include <linux/types.h> + +typedef struct pgprot { pgprotval_t pgprot; } pgprot_t; + +typedef struct { pgdval_t pgd; } pgd_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 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 pudval_t pud_flags(pud_t pud) +{ + return native_pud_val(pud) & PTE_FLAGS_MASK; +} + +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 pteval_t __supported_pte_mask; +extern int nx_enabled; #define pgprot_writecombine pgprot_writecombine extern pgprot_t pgprot_writecombine(pgprot_t prot); @@ -217,10 +318,4 @@ extern pte_t *lookup_address(unsigned long address, unsigned int *level); #endif /* !__ASSEMBLY__ */ -#ifdef CONFIG_X86_32 -# include "pgtable_32_types.h" -#else -# include "pgtable_64_types.h" -#endif - #endif /* _ASM_X86_PGTABLE_DEFS_H */ |