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#ifdef CONFIG_PTE_64BIT 17#define PTE_FLAGS_OFFSET 4 /* offset of PTE flags, in bytes */ 18#else 19#define PTE_FLAGS_OFFSET 0 20#endif 21 22#ifndef __ASSEMBLY__ 23/* 24 * The basic type of a PTE - 64 bits for those CPUs with > 32 bit 25 * physical addressing. 26 */ 27#ifdef CONFIG_PTE_64BIT 28typedef unsigned long long pte_basic_t; 29#define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */ 30#else 31typedef unsigned long pte_basic_t; 32#define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ 33#endif 34 35struct page; 36extern void clear_pages(void *page, int order); 37static inline void clear_page(void *page) { clear_pages(page, 0); } 38extern void copy_page(void *to, void *from); 39 40#include <asm-generic/page.h> 41 42#endif /* __ASSEMBLY__ */ 43 44#endif /* _ASM_POWERPC_PAGE_32_H */ 45