1/* Defines for bits in AT_HWCAP. AArch64 Linux version.
2 Copyright (C) 2016-2026 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#if !defined (_SYS_AUXV_H)
20# error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
21#endif
22
23/* The following must match the kernel's <asm/hwcap.h> and update the
24 list together with sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c. */
25#define HWCAP_FP (1 << 0)
26#define HWCAP_ASIMD (1 << 1)
27#define HWCAP_EVTSTRM (1 << 2)
28#define HWCAP_AES (1 << 3)
29#define HWCAP_PMULL (1 << 4)
30#define HWCAP_SHA1 (1 << 5)
31#define HWCAP_SHA2 (1 << 6)
32#define HWCAP_CRC32 (1 << 7)
33#define HWCAP_ATOMICS (1 << 8)
34#define HWCAP_FPHP (1 << 9)
35#define HWCAP_ASIMDHP (1 << 10)
36#define HWCAP_CPUID (1 << 11)
37#define HWCAP_ASIMDRDM (1 << 12)
38#define HWCAP_JSCVT (1 << 13)
39#define HWCAP_FCMA (1 << 14)
40#define HWCAP_LRCPC (1 << 15)
41#define HWCAP_DCPOP (1 << 16)
42#define HWCAP_SHA3 (1 << 17)
43#define HWCAP_SM3 (1 << 18)
44#define HWCAP_SM4 (1 << 19)
45#define HWCAP_ASIMDDP (1 << 20)
46#define HWCAP_SHA512 (1 << 21)
47#define HWCAP_SVE (1 << 22)
48#define HWCAP_ASIMDFHM (1 << 23)
49#define HWCAP_DIT (1 << 24)
50#define HWCAP_USCAT (1 << 25)
51#define HWCAP_ILRCPC (1 << 26)
52#define HWCAP_FLAGM (1 << 27)
53#define HWCAP_SSBS (1 << 28)
54#define HWCAP_SB (1 << 29)
55#define HWCAP_PACA (1 << 30)
56#define HWCAP_PACG (1UL << 31)
57#define HWCAP_GCS (1UL << 32)
58#define HWCAP_CMPBR (1UL << 33)
59#define HWCAP_FPRCVT (1UL << 34)
60#define HWCAP_F8MM8 (1UL << 35)
61#define HWCAP_F8MM4 (1UL << 36)
62#define HWCAP_SVE_F16MM (1UL << 37)
63#define HWCAP_SVE_ELTPERM (1UL << 38)
64#define HWCAP_SVE_AES2 (1UL << 39)
65#define HWCAP_SVE_BFSCALE (1UL << 40)
66#define HWCAP_SVE2P2 (1UL << 41)
67#define HWCAP_SME2P2 (1UL << 42)
68#define HWCAP_SME_SBITPERM (1UL << 43)
69#define HWCAP_SME_AES (1UL << 44)
70#define HWCAP_SME_SFEXPA (1UL << 45)
71#define HWCAP_SME_STMOP (1UL << 46)
72#define HWCAP_SME_SMOP4 (1UL << 47)
73
74#define HWCAP2_DCPODP (1 << 0)
75#define HWCAP2_SVE2 (1 << 1)
76#define HWCAP2_SVEAES (1 << 2)
77#define HWCAP2_SVEPMULL (1 << 3)
78#define HWCAP2_SVEBITPERM (1 << 4)
79#define HWCAP2_SVESHA3 (1 << 5)
80#define HWCAP2_SVESM4 (1 << 6)
81#define HWCAP2_FLAGM2 (1 << 7)
82#define HWCAP2_FRINT (1 << 8)
83#define HWCAP2_SVEI8MM (1 << 9)
84#define HWCAP2_SVEF32MM (1 << 10)
85#define HWCAP2_SVEF64MM (1 << 11)
86#define HWCAP2_SVEBF16 (1 << 12)
87#define HWCAP2_I8MM (1 << 13)
88#define HWCAP2_BF16 (1 << 14)
89#define HWCAP2_DGH (1 << 15)
90#define HWCAP2_RNG (1 << 16)
91#define HWCAP2_BTI (1 << 17)
92#define HWCAP2_MTE (1 << 18)
93#define HWCAP2_ECV (1 << 19)
94#define HWCAP2_AFP (1 << 20)
95#define HWCAP2_RPRES (1 << 21)
96#define HWCAP2_MTE3 (1 << 22)
97#define HWCAP2_SME (1 << 23)
98#define HWCAP2_SME_I16I64 (1 << 24)
99#define HWCAP2_SME_F64F64 (1 << 25)
100#define HWCAP2_SME_I8I32 (1 << 26)
101#define HWCAP2_SME_F16F32 (1 << 27)
102#define HWCAP2_SME_B16F32 (1 << 28)
103#define HWCAP2_SME_F32F32 (1 << 29)
104#define HWCAP2_SME_FA64 (1 << 30)
105#define HWCAP2_WFXT (1UL << 31)
106#define HWCAP2_EBF16 (1UL << 32)
107#define HWCAP2_SVE_EBF16 (1UL << 33)
108#define HWCAP2_CSSC (1UL << 34)
109#define HWCAP2_RPRFM (1UL << 35)
110#define HWCAP2_SVE2P1 (1UL << 36)
111#define HWCAP2_SME2 (1UL << 37)
112#define HWCAP2_SME2P1 (1UL << 38)
113#define HWCAP2_SME_I16I32 (1UL << 39)
114#define HWCAP2_SME_BI32I32 (1UL << 40)
115#define HWCAP2_SME_B16B16 (1UL << 41)
116#define HWCAP2_SME_F16F16 (1UL << 42)
117#define HWCAP2_MOPS (1UL << 43)
118#define HWCAP2_HBC (1UL << 44)
119#define HWCAP2_SVE_B16B16 (1UL << 45)
120#define HWCAP2_LRCPC3 (1UL << 46)
121#define HWCAP2_LSE128 (1UL << 47)
122#define HWCAP2_FPMR (1UL << 48)
123#define HWCAP2_LUT (1UL << 49)
124#define HWCAP2_FAMINMAX (1UL << 50)
125#define HWCAP2_F8CVT (1UL << 51)
126#define HWCAP2_F8FMA (1UL << 52)
127#define HWCAP2_F8DP4 (1UL << 53)
128#define HWCAP2_F8DP2 (1UL << 54)
129#define HWCAP2_F8E4M3 (1UL << 55)
130#define HWCAP2_F8E5M2 (1UL << 56)
131#define HWCAP2_SME_LUTV2 (1UL << 57)
132#define HWCAP2_SME_F8F16 (1UL << 58)
133#define HWCAP2_SME_F8F32 (1UL << 59)
134#define HWCAP2_SME_SF8FMA (1UL << 60)
135#define HWCAP2_SME_SF8DP4 (1UL << 61)
136#define HWCAP2_SME_SF8DP2 (1UL << 62)
137#define HWCAP2_POE (1UL << 63)
138
139#define HWCAP3_MTE_FAR (1UL << 0)
140#define HWCAP3_MTE_STORE_ONLY (1UL << 1)
141#define HWCAP3_LSFE (1UL << 2)
142#define HWCAP3_LS64 (1UL << 3)