diff options
Diffstat (limited to 'include/asm-sh/page.h')
| -rw-r--r-- | include/asm-sh/page.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h index dcac85fa6..aa406533f 100644 --- a/include/asm-sh/page.h +++ b/include/asm-sh/page.h @@ -9,7 +9,7 @@ [ P0/U0 (virtual) ] 0x00000000 <------ User space [ P1 (fixed) cached ] 0x80000000 <------ Kernel space [ P2 (fixed) non-cachable] 0xA0000000 <------ Physical access - [ P3 (virtual) cached] 0xC0000000 <------ not used + [ P3 (virtual) cached] 0xC0000000 <------ vmalloced area [ P4 control ] 0xE0000000 */ @@ -26,8 +26,14 @@ #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) #define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) + +#if defined(__sh3__) #define clear_user_page(page, vaddr) clear_page(page) #define copy_user_page(to, from, vaddr) copy_page(to, from) +#elif defined(__SH4__) +extern void clear_user_page(void *to, unsigned long address); +extern void copy_user_page(void *to, void *from, unsigned long address); +#endif /* * These are used to make use of C type-checking.. @@ -62,7 +68,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #define __MEMORY_START CONFIG_MEMORY_START -#define PAGE_OFFSET (0x80000000) +#define PAGE_OFFSET (0x80000000UL) #define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) #define virt_to_page(kaddr) (mem_map + ((__pa(kaddr)-__MEMORY_START) >> PAGE_SHIFT)) |