derek.holloway
7502bf64a4
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59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/* Common AArch64 Linux arch-specific definitions for the scalable
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extensions: SVE and SME.
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Copyright (C) 2023-2024 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDB_ARCH_AARCH64_SCALABLE_LINUX_H
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#define GDB_ARCH_AARCH64_SCALABLE_LINUX_H
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#include "gdbsupport/common-regcache.h"
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/* Feature check for Scalable Matrix Extension. */
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#ifndef HWCAP2_SME
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#define HWCAP2_SME (1 << 23)
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#endif
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/* Feature check for Scalable Matrix Extension 2. */
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#ifndef HWCAP2_SME2
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#define HWCAP2_SME2 (1UL << 37)
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#define HWCAP2_SME2P1 (1UL << 38)
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#endif
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/* Streaming mode enabled/disabled bit. */
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#define SVCR_SM_BIT (1 << 0)
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/* ZA enabled/disabled bit. */
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#define SVCR_ZA_BIT (1 << 1)
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/* Mask including all valid SVCR bits. */
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#define SVCR_BIT_MASK (SVCR_SM_BIT | SVCR_ZA_BIT)
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/* SVE/SSVE-related constants used for an empty SVE/SSVE register set
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dumped to a core file. When SME is supported, either the SVE state or
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the SSVE state will be empty when it is dumped to a core file. */
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#define SVE_CORE_DUMMY_SIZE 0x220
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#define SVE_CORE_DUMMY_MAX_SIZE 0x2240
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#define SVE_CORE_DUMMY_VL 0x10
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#define SVE_CORE_DUMMY_MAX_VL 0x100
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#define SVE_CORE_DUMMY_FLAGS 0x0
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#define SVE_CORE_DUMMY_RESERVED 0x0
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/* Return TRUE if the SVE state in the register cache REGCACHE
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is empty (zero). Return FALSE otherwise. */
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extern bool sve_state_is_empty (const struct reg_buffer_common *reg_buf);
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#endif /* GDB_ARCH_AARCH64_SCALABLE_LINUX_H */
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