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- #ifndef _ASM_POWERPC_PAGE_32_H
- #define _ASM_POWERPC_PAGE_32_H
- #if defined(CONFIG_PHYSICAL_ALIGN) && (CONFIG_PHYSICAL_START != 0)
- #if (CONFIG_PHYSICAL_START % CONFIG_PHYSICAL_ALIGN) != 0
- #error "CONFIG_PHYSICAL_START must be a multiple of CONFIG_PHYSICAL_ALIGN"
- #endif
- #endif
- #define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32
- #ifdef CONFIG_NOT_COHERENT_CACHE
- #define ARCH_DMA_MINALIGN L1_CACHE_BYTES
- #endif
- #ifdef CONFIG_PTE_64BIT
- #define PTE_FLAGS_OFFSET 4 /* offset of PTE flags, in bytes */
- #else
- #define PTE_FLAGS_OFFSET 0
- #endif
- #ifdef CONFIG_PPC_256K_PAGES
- #define PTE_SHIFT (PAGE_SHIFT - PTE_T_LOG2 - 2) /* 1/4 of a page */
- #else
- #define PTE_SHIFT (PAGE_SHIFT - PTE_T_LOG2) /* full page */
- #endif
- #ifndef __ASSEMBLY__
- /*
- * The basic type of a PTE - 64 bits for those CPUs with > 32 bit
- * physical addressing.
- */
- #ifdef CONFIG_PTE_64BIT
- typedef unsigned long long pte_basic_t;
- #else
- typedef unsigned long pte_basic_t;
- #endif
- struct page;
- extern void clear_pages(void *page, int order);
- static inline void clear_page(void *page) { clear_pages(page, 0); }
- extern void copy_page(void *to, void *from);
- #include <asm-generic/getorder.h>
- #define PGD_T_LOG2 (__builtin_ffs(sizeof(pgd_t)) - 1)
- #define PTE_T_LOG2 (__builtin_ffs(sizeof(pte_t)) - 1)
- #endif /* __ASSEMBLY__ */
- #endif /* _ASM_POWERPC_PAGE_32_H */
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