1 #ifndef _ASM_POWERPC_PAGE_32_H 2 #define _ASM_POWERPC_PAGE_32_H 3 4 #if defined(CONFIG_PHYSICAL_ALIGN) && (CONFIG_PHYSICAL_START != 0) 5 #if (CONFIG_PHYSICAL_START % CONFIG_PHYSICAL_ALIGN) != 0 6 #error "CONFIG_PHYSICAL_START must be a multiple of CONFIG_PHYSICAL_ALIGN" 7 #endif 8 #endif 9 10 #define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32 11 12 #ifdef CONFIG_NOT_COHERENT_CACHE 13 #define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES 14 #endif 15 16 #ifndef __ASSEMBLY__ 17 /* 18 * The basic type of a PTE - 64 bits for those CPUs with > 32 bit 19 * physical addressing. For now this just the IBM PPC440. 20 */ 21 #ifdef CONFIG_PTE_64BIT 22 typedef unsigned long long pte_basic_t; 23 #define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */ 24 #else 25 typedef unsigned long pte_basic_t; 26 #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ 27 #endif 28 29 struct page; 30 extern void clear_pages(void *page, int order); 31 static inline void clear_page(void *page) { clear_pages(page, 0); } 32 extern void copy_page(void *to, void *from); 33 34 #include <asm-generic/page.h> 35 36 #endif /* __ASSEMBLY__ */ 37 38 #endif /* _ASM_POWERPC_PAGE_32_H */ 39