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