diff options
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/slice.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/slice.h | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/slice.h b/arch/powerpc/include/asm/book3s/64/slice.h index db0dedab65ee..6e2f7a74cd75 100644 --- a/arch/powerpc/include/asm/book3s/64/slice.h +++ b/arch/powerpc/include/asm/book3s/64/slice.h @@ -2,7 +2,15 @@ #ifndef _ASM_POWERPC_BOOK3S_64_SLICE_H #define _ASM_POWERPC_BOOK3S_64_SLICE_H -#ifdef CONFIG_PPC_MM_SLICES +#ifndef __ASSEMBLER__ + +#ifdef CONFIG_PPC_64S_HASH_MMU +#ifdef CONFIG_HUGETLB_PAGE +#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA +#endif +#define HAVE_ARCH_UNMAPPED_AREA +#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN +#endif #define SLICE_LOW_SHIFT 28 #define SLICE_LOW_TOP (0x100000000ul) @@ -13,15 +21,22 @@ #define SLICE_NUM_HIGH (H_PGTABLE_RANGE >> SLICE_HIGH_SHIFT) #define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT) -#else /* CONFIG_PPC_MM_SLICES */ +#define SLB_ADDR_LIMIT_DEFAULT DEFAULT_MAP_WINDOW_USER64 + +struct mm_struct; + +unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len, + unsigned long flags, unsigned int psize, + int topdown); + +unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr); + +void slice_set_range_psize(struct mm_struct *mm, unsigned long start, + unsigned long len, unsigned int psize); -#define get_slice_psize(mm, addr) ((mm)->context.user_psize) -#define slice_set_user_psize(mm, psize) \ -do { \ - (mm)->context.user_psize = (psize); \ - (mm)->context.sllp = SLB_VSID_USER | mmu_psize_defs[(psize)].sllp; \ -} while (0) +void slice_init_new_context_exec(struct mm_struct *mm); +void slice_setup_new_exec(void); -#endif /* CONFIG_PPC_MM_SLICES */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */ |