diff options
Diffstat (limited to 'arch/powerpc/include/asm/page_32.h')
-rw-r--r-- | arch/powerpc/include/asm/page_32.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/page_32.h b/arch/powerpc/include/asm/page_32.h new file mode 100644 index 000000000000..ebfae530a379 --- /dev/null +++ b/arch/powerpc/include/asm/page_32.h | |||
@@ -0,0 +1,38 @@ | |||
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 */ | ||