28 lines
841 B
C
Executable file
28 lines
841 B
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_POWERPC_BOOK3S_64_SLICE_H
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#define _ASM_POWERPC_BOOK3S_64_SLICE_H
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#ifdef CONFIG_PPC_MM_SLICES
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#define SLICE_LOW_SHIFT 28
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#define SLICE_LOW_TOP (0x100000000ul)
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#define SLICE_NUM_LOW (SLICE_LOW_TOP >> SLICE_LOW_SHIFT)
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#define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT)
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#define SLICE_HIGH_SHIFT 40
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#define SLICE_NUM_HIGH (H_PGTABLE_RANGE >> SLICE_HIGH_SHIFT)
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#define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT)
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#else /* CONFIG_PPC_MM_SLICES */
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#define get_slice_psize(mm, addr) ((mm)->context.user_psize)
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#define slice_set_user_psize(mm, psize) \
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do { \
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(mm)->context.user_psize = (psize); \
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(mm)->context.sllp = SLB_VSID_USER | mmu_psize_defs[(psize)].sllp; \
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} while (0)
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#endif /* CONFIG_PPC_MM_SLICES */
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#endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */
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