| /* Common AArch64 Linux arch-specific definitions for the scalable |
| extensions: SVE and SME. |
| |
| Copyright (C) 2023-2024 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef ARCH_AARCH64_SCALABLE_LINUX_H |
| #define ARCH_AARCH64_SCALABLE_LINUX_H |
| |
| #include "gdbsupport/common-defs.h" |
| #include "gdbsupport/common-regcache.h" |
| |
| /* Feature check for Scalable Matrix Extension. */ |
| #ifndef HWCAP2_SME |
| #define HWCAP2_SME (1 << 23) |
| #endif |
| |
| /* Feature check for Scalable Matrix Extension 2. */ |
| #ifndef HWCAP2_SME2 |
| #define HWCAP2_SME2 (1UL << 37) |
| #define HWCAP2_SME2P1 (1UL << 38) |
| #endif |
| |
| /* Streaming mode enabled/disabled bit. */ |
| #define SVCR_SM_BIT (1 << 0) |
| /* ZA enabled/disabled bit. */ |
| #define SVCR_ZA_BIT (1 << 1) |
| /* Mask including all valid SVCR bits. */ |
| #define SVCR_BIT_MASK (SVCR_SM_BIT | SVCR_ZA_BIT) |
| |
| /* SVE/SSVE-related constants used for an empty SVE/SSVE register set |
| dumped to a core file. When SME is supported, either the SVE state or |
| the SSVE state will be empty when it is dumped to a core file. */ |
| #define SVE_CORE_DUMMY_SIZE 0x220 |
| #define SVE_CORE_DUMMY_MAX_SIZE 0x2240 |
| #define SVE_CORE_DUMMY_VL 0x10 |
| #define SVE_CORE_DUMMY_MAX_VL 0x100 |
| #define SVE_CORE_DUMMY_FLAGS 0x0 |
| #define SVE_CORE_DUMMY_RESERVED 0x0 |
| |
| /* Return TRUE if the SVE state in the register cache REGCACHE |
| is empty (zero). Return FALSE otherwise. */ |
| extern bool sve_state_is_empty (const struct reg_buffer_common *reg_buf); |
| |
| #endif /* ARCH_AARCH64_SCALABLE_LINUX_H */ |