diff options
Diffstat (limited to 'include/asm-parisc/page.h')
| -rw-r--r-- | include/asm-parisc/page.h | 61 |
1 files changed, 42 insertions, 19 deletions
diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h index 4a6752b0afe..45e02aa5bf4 100644 --- a/include/asm-parisc/page.h +++ b/include/asm-parisc/page.h @@ -26,7 +26,7 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, struct page *pg) { copy_user_page_asm(vto, vfrom); - flush_kernel_dcache_page(vto); + flush_kernel_dcache_page_asm(vto); /* XXX: ppc flushes icache too, should we? */ } @@ -40,14 +40,19 @@ clear_user_page(void *page, unsigned long vaddr, struct page *pg) /* * These are used to make use of C type-checking.. */ -#ifdef __LP64__ -typedef struct { unsigned long pte; } pte_t; -#else -typedef struct { - unsigned long pte; - unsigned long flags; -} pte_t; +#define STRICT_MM_TYPECHECKS +#ifdef STRICT_MM_TYPECHECKS +typedef struct { unsigned long pte; +#if !defined(CONFIG_64BIT) + unsigned long future_flags; + /* XXX: it's possible to remove future_flags and change BITS_PER_PTE_ENTRY + to 2, but then strangely the identical 32bit kernel boots on a + c3000(pa20), but not any longer on a 715(pa11). + Still investigating... HelgeD. + */ #endif +} pte_t; /* either 32 or 64bit */ + /* NOTE: even on 64 bits, these entries are __u32 because we allocate * the pmd and pgd in ZONE_DMA (i.e. under 4GB) */ typedef struct { __u32 pmd; } pmd_t; @@ -55,25 +60,44 @@ typedef struct { __u32 pgd; } pgd_t; typedef struct { unsigned long pgprot; } pgprot_t; #define pte_val(x) ((x).pte) -#ifdef __LP64__ -#define pte_flags(x) (*(__u32 *)&((x).pte)) -#else -#define pte_flags(x) ((x).flags) -#endif - /* These do not work lvalues, so make sure we don't use them as such. */ #define pmd_val(x) ((x).pmd + 0) #define pgd_val(x) ((x).pgd + 0) #define pgprot_val(x) ((x).pgprot) -#define __pmd_val_set(x,n) (x).pmd = (n) -#define __pgd_val_set(x,n) (x).pgd = (n) - #define __pte(x) ((pte_t) { (x) } ) #define __pmd(x) ((pmd_t) { (x) } ) #define __pgd(x) ((pgd_t) { (x) } ) #define __pgprot(x) ((pgprot_t) { (x) } ) +#define __pmd_val_set(x,n) (x).pmd = (n) +#define __pgd_val_set(x,n) (x).pgd = (n) + +#else +/* + * .. while these make it easier on the compiler + */ +typedef unsigned long pte_t; +typedef __u32 pmd_t; +typedef __u32 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) + +#define __pmd_val_set(x,n) (x) = (n) +#define __pgd_val_set(x,n) (x) = (n) + +#endif /* STRICT_MM_TYPECHECKS */ + + typedef struct __physmem_range { unsigned long start_pfn; unsigned long pages; /* PAGE_SIZE pages */ @@ -130,8 +154,6 @@ extern int npmem_ranges; #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) #ifndef CONFIG_DISCONTIGMEM -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) #define pfn_valid(pfn) ((pfn) < max_mapnr) #endif /* CONFIG_DISCONTIGMEM */ @@ -152,6 +174,7 @@ extern int npmem_ranges; #endif /* __KERNEL__ */ +#include <asm-generic/memory_model.h> #include <asm-generic/page.h> #endif /* _PARISC_PAGE_H */ |