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1 | /* Common AArch64 Linux arch-specific definitions for the scalable |
2 | extensions: SVE and SME. | |
3 | ||
1d506c26 | 4 | Copyright (C) 2023-2024 Free Software Foundation, Inc. |
ca65640f LM |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #ifndef ARCH_AARCH64_SCALABLE_LINUX_H | |
22 | #define ARCH_AARCH64_SCALABLE_LINUX_H | |
23 | ||
69bfb2b6 | 24 | #include "gdbsupport/common-regcache.h" |
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25 | |
26 | /* Feature check for Scalable Matrix Extension. */ | |
27 | #ifndef HWCAP2_SME | |
28 | #define HWCAP2_SME (1 << 23) | |
29 | #endif | |
30 | ||
42019af6 LM |
31 | /* Feature check for Scalable Matrix Extension 2. */ |
32 | #ifndef HWCAP2_SME2 | |
33 | #define HWCAP2_SME2 (1UL << 37) | |
34 | #define HWCAP2_SME2P1 (1UL << 38) | |
35 | #endif | |
36 | ||
ca65640f LM |
37 | /* Streaming mode enabled/disabled bit. */ |
38 | #define SVCR_SM_BIT (1 << 0) | |
39 | /* ZA enabled/disabled bit. */ | |
40 | #define SVCR_ZA_BIT (1 << 1) | |
41 | /* Mask including all valid SVCR bits. */ | |
42 | #define SVCR_BIT_MASK (SVCR_SM_BIT | SVCR_ZA_BIT) | |
43 | ||
69bfb2b6 LM |
44 | /* SVE/SSVE-related constants used for an empty SVE/SSVE register set |
45 | dumped to a core file. When SME is supported, either the SVE state or | |
46 | the SSVE state will be empty when it is dumped to a core file. */ | |
47 | #define SVE_CORE_DUMMY_SIZE 0x220 | |
48 | #define SVE_CORE_DUMMY_MAX_SIZE 0x2240 | |
49 | #define SVE_CORE_DUMMY_VL 0x10 | |
50 | #define SVE_CORE_DUMMY_MAX_VL 0x100 | |
51 | #define SVE_CORE_DUMMY_FLAGS 0x0 | |
52 | #define SVE_CORE_DUMMY_RESERVED 0x0 | |
53 | ||
54 | /* Return TRUE if the SVE state in the register cache REGCACHE | |
55 | is empty (zero). Return FALSE otherwise. */ | |
56 | extern bool sve_state_is_empty (const struct reg_buffer_common *reg_buf); | |
57 | ||
ca65640f | 58 | #endif /* ARCH_AARCH64_SCALABLE_LINUX_H */ |