mte-def.h (577B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2020 ARM Ltd. 4 */ 5#ifndef __ASM_MTE_DEF_H 6#define __ASM_MTE_DEF_H 7 8#define MTE_GRANULE_SIZE UL(16) 9#define MTE_GRANULE_MASK (~(MTE_GRANULE_SIZE - 1)) 10#define MTE_GRANULES_PER_PAGE (PAGE_SIZE / MTE_GRANULE_SIZE) 11#define MTE_TAG_SHIFT 56 12#define MTE_TAG_SIZE 4 13#define MTE_TAG_MASK GENMASK((MTE_TAG_SHIFT + (MTE_TAG_SIZE - 1)), MTE_TAG_SHIFT) 14#define MTE_PAGE_TAG_STORAGE (MTE_GRANULES_PER_PAGE * MTE_TAG_SIZE / 8) 15 16#define __MTE_PREAMBLE ARM64_ASM_PREAMBLE ".arch_extension memtag\n" 17 18#endif /* __ASM_MTE_DEF_H */