diff options
Diffstat (limited to 'arch/powerpc/include/asm/nohash')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/slice.h | 18 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/nohash/64/slice.h | 12 |
2 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/slice.h b/arch/powerpc/include/asm/nohash/32/slice.h new file mode 100644 index 000000000000..777d62e40ac0 --- /dev/null +++ b/arch/powerpc/include/asm/nohash/32/slice.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_NOHASH_32_SLICE_H +#define _ASM_POWERPC_NOHASH_32_SLICE_H + +#ifdef CONFIG_PPC_MM_SLICES + +#define SLICE_LOW_SHIFT 26 /* 64 slices */ +#define SLICE_LOW_TOP (0x100000000ull) +#define SLICE_NUM_LOW (SLICE_LOW_TOP >> SLICE_LOW_SHIFT) +#define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT) + +#define SLICE_HIGH_SHIFT 0 +#define SLICE_NUM_HIGH 0ul +#define GET_HIGH_SLICE_INDEX(addr) (addr & 0) + +#endif /* CONFIG_PPC_MM_SLICES */ + +#endif /* _ASM_POWERPC_NOHASH_32_SLICE_H */ diff --git a/arch/powerpc/include/asm/nohash/64/slice.h b/arch/powerpc/include/asm/nohash/64/slice.h new file mode 100644 index 000000000000..ad0d6e3cc1c5 --- /dev/null +++ b/arch/powerpc/include/asm/nohash/64/slice.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_NOHASH_64_SLICE_H +#define _ASM_POWERPC_NOHASH_64_SLICE_H + +#ifdef CONFIG_PPC_64K_PAGES +#define get_slice_psize(mm, addr) MMU_PAGE_64K +#else /* CONFIG_PPC_64K_PAGES */ +#define get_slice_psize(mm, addr) MMU_PAGE_4K +#endif /* !CONFIG_PPC_64K_PAGES */ +#define slice_set_user_psize(mm, psize) do { BUG(); } while (0) + +#endif /* _ASM_POWERPC_NOHASH_64_SLICE_H */ |