OpenCloudOS-Kernel/include/asm-powerpc/page_32.h

35 lines
882 B
C

#ifndef _ASM_POWERPC_PAGE_32_H
#define _ASM_POWERPC_PAGE_32_H
#define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32
#define PPC_MEMSTART 0
#ifdef CONFIG_NOT_COHERENT_CACHE
#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
#endif
#ifndef __ASSEMBLY__
/*
* The basic type of a PTE - 64 bits for those CPUs with > 32 bit
* physical addressing. For now this just the IBM PPC440.
*/
#ifdef CONFIG_PTE_64BIT
typedef unsigned long long pte_basic_t;
#define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */
#else
typedef unsigned long pte_basic_t;
#define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */
#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/page.h>
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_PAGE_32_H */