28 lines
841 B
C
28 lines
841 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_POWERPC_BOOK3S_64_SLICE_H
|
|
#define _ASM_POWERPC_BOOK3S_64_SLICE_H
|
|
|
|
#ifdef CONFIG_PPC_MM_SLICES
|
|
|
|
#define SLICE_LOW_SHIFT 28
|
|
#define SLICE_LOW_TOP (0x100000000ul)
|
|
#define SLICE_NUM_LOW (SLICE_LOW_TOP >> SLICE_LOW_SHIFT)
|
|
#define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT)
|
|
|
|
#define SLICE_HIGH_SHIFT 40
|
|
#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 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)
|
|
|
|
#endif /* CONFIG_PPC_MM_SLICES */
|
|
|
|
#endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */
|