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| author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
| commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
| tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/powerpc/include/asm/page_32.h | |
| parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
| parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
| download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip | |
dirty fix to merging
Diffstat (limited to 'arch/powerpc/include/asm/page_32.h')
| -rw-r--r-- | arch/powerpc/include/asm/page_32.h | 51 |
1 files changed, 51 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 00000000..68d73b2a --- /dev/null +++ b/arch/powerpc/include/asm/page_32.h @@ -0,0 +1,51 @@ +#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 */ |