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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-m68knommu/] [page.h] - Rev 1765
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#ifndef _M68K_PAGE_H #define _M68K_PAGE_H #include <linux/config.h> #include <asm/shglcore.h> /* PAGE_SHIFT determines the page size */ #define PAGE_SHIFT 12 #define PAGE_SIZE (1UL << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) #ifdef __KERNEL__ #define STRICT_MM_TYPECHECKS #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[16]; } 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[0]) #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 struct { unsigned long pmd[16]; } pmd_t; typedef unsigned long pgd_t; typedef unsigned long pgprot_t; #define pte_val(x) (x) #define pmd_val(x) ((&x)->pmd[0]) #define pgd_val(x) (x) #define pgprot_val(x) (x) #define __pte(x) (x) #define __pmd(x) ((pmd_t) { (x) } ) #define __pgd(x) (x) #define __pgprot(x) (x) #endif /* to align the pointer to the (next) page boundary */ #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) /* This handles the memory map.. */ #ifdef CONFIG_COLDFIRE #ifdef CONFIG_SMALL #define PAGE_OFFSET 0x30020000 #else #define PAGE_OFFSET 0x00000000 #endif #endif #ifdef CONFIG_PILOT #ifdef CONFIG_M68328 #define PAGE_OFFSET 0x10000000 #endif #ifdef CONFIG_M68EZ328 #define PAGE_OFFSET 0x00000000 #endif #endif #ifdef CONFIG_UCSIMM #define PAGE_OFFSET 0x00000000 #endif #ifdef CONFIG_M68EZ328ADS #define PAGE_OFFSET 0x00000000 #endif #ifdef CONFIG_ALMA_ANS #define PAGE_OFFSET 0x00000000 #endif #ifdef CONFIG_M68EN302 #define PAGE_OFFSET 0x00000000 #endif #ifdef CONFIG_SHGLCORE #define PAGE_OFFSET SHGLCORE_RAM_BANK_0_ADDR #endif #define MAP_NR(addr) ((((unsigned long)(addr)) - PAGE_OFFSET) >> PAGE_SHIFT) #endif /* __KERNEL__ */ #endif /* _M68K_PAGE_H */