xref: /OK3568_Linux_fs/kernel/arch/arm64/include/asm/mte-def.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2020 ARM Ltd.
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun #ifndef __ASM_MTE_DEF_H
6*4882a593Smuzhiyun #define __ASM_MTE_DEF_H
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #define MTE_GRANULE_SIZE	UL(16)
9*4882a593Smuzhiyun #define MTE_GRANULE_MASK	(~(MTE_GRANULE_SIZE - 1))
10*4882a593Smuzhiyun #define MTE_TAG_SHIFT		56
11*4882a593Smuzhiyun #define MTE_TAG_SIZE		4
12*4882a593Smuzhiyun #define MTE_TAG_MASK		GENMASK((MTE_TAG_SHIFT + (MTE_TAG_SIZE - 1)), MTE_TAG_SHIFT)
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define __MTE_PREAMBLE		ARM64_ASM_PREAMBLE ".arch_extension memtag\n"
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #endif /* __ASM_MTE_DEF_H  */
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