19 lines
577 B
C
19 lines
577 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020 ARM Ltd.
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*/
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#ifndef __ASM_MTE_DEF_H
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#define __ASM_MTE_DEF_H
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#define MTE_GRANULE_SIZE UL(16)
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#define MTE_GRANULE_MASK (~(MTE_GRANULE_SIZE - 1))
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#define MTE_GRANULES_PER_PAGE (PAGE_SIZE / MTE_GRANULE_SIZE)
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#define MTE_TAG_SHIFT 56
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#define MTE_TAG_SIZE 4
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#define MTE_TAG_MASK GENMASK((MTE_TAG_SHIFT + (MTE_TAG_SIZE - 1)), MTE_TAG_SHIFT)
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#define MTE_PAGE_TAG_STORAGE (MTE_GRANULES_PER_PAGE * MTE_TAG_SIZE / 8)
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#define __MTE_PREAMBLE ARM64_ASM_PREAMBLE ".arch_extension memtag\n"
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#endif /* __ASM_MTE_DEF_H */
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