| #ifndef _ASMARM_PAGE_H |
| #define _ASMARM_PAGE_H |
| |
| #include <asm/proc/page.h> |
| |
| #define PAGE_SIZE (1UL << PAGE_SHIFT) |
| #define PAGE_MASK (~(PAGE_SIZE-1)) |
| |
| #ifdef __KERNEL__ |
| #ifndef __ASSEMBLY__ |
| |
| #define STRICT_MM_TYPECHECKS |
| |
| #define clear_page(page) memzero((void *)(page), PAGE_SIZE) |
| extern void copy_page(void *to, void *from); |
| |
| #define clear_user_page(page, vaddr) clear_page(page) |
| #define copy_user_page(to, from, vaddr) copy_page(to, from) |
| |
| #ifdef STRICT_MM_TYPECHECKS |
| /* |
| * These are used to make use of C type-checking.. |
| */ |
| typedef struct { unsigned long pte; } pte_t; |
| typedef struct { unsigned long pmd; } pmd_t; |
| typedef struct { unsigned long pgd; } pgd_t; |
| typedef struct { unsigned long pgprot; } pgprot_t; |
| |
| #define pte_val(x) ((x).pte) |
| #define pmd_val(x) ((x).pmd) |
| #define pgd_val(x) ((x).pgd) |
| #define pgprot_val(x) ((x).pgprot) |
| |
| #define __pte(x) ((pte_t) { (x) } ) |
| #define __pmd(x) ((pmd_t) { (x) } ) |
| #define __pgd(x) ((pgd_t) { (x) } ) |
| #define __pgprot(x) ((pgprot_t) { (x) } ) |
| |
| #else |
| /* |
| * .. while these make it easier on the compiler |
| */ |
| typedef unsigned long pte_t; |
| typedef unsigned long pmd_t; |
| typedef unsigned long pgd_t; |
| typedef unsigned long pgprot_t; |
| |
| #define pte_val(x) (x) |
| #define pmd_val(x) (x) |
| #define pgd_val(x) (x) |
| #define pgprot_val(x) (x) |
| |
| #define __pte(x) (x) |
| #define __pmd(x) (x) |
| #define __pgd(x) (x) |
| #define __pgprot(x) (x) |
| |
| #endif |
| #endif /* !__ASSEMBLY__ */ |
| |
| /* to align the pointer to the (next) page boundary */ |
| #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) |
| |
| #ifndef __ASSEMBLY__ |
| |
| #ifdef CONFIG_DEBUG_BUGVERBOSE |
| extern void __bug(const char *file, int line, void *data); |
| |
| /* give file/line information */ |
| #define BUG() __bug(__FILE__, __LINE__, NULL) |
| #define PAGE_BUG(page) __bug(__FILE__, __LINE__, page) |
| |
| #else |
| |
| /* these just cause an oops */ |
| #define BUG() (*(int *)0 = 0) |
| #define PAGE_BUG(page) (*(int *)0 = 0) |
| |
| #endif |
| |
| /* Pure 2^n version of get_order */ |
| static inline int get_order(unsigned long size) |
| { |
| int order; |
| |
| size = (size-1) >> (PAGE_SHIFT-1); |
| order = -1; |
| do { |
| size >>= 1; |
| order++; |
| } while (size); |
| return order; |
| } |
| |
| #endif /* !__ASSEMBLY__ */ |
| |
| #include <linux/config.h> |
| #include <asm/memory.h> |
| |
| #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ |
| VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif |