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c13d1683df
Implement the fpsimd save restore, keeping the lazy part in assembler (as returning to C would be overkill). Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
33 lines
938 B
ArmAsm
33 lines
938 B
ArmAsm
/*
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* Copyright (C) 2015 - ARM Ltd
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* Author: Marc Zyngier <marc.zyngier@arm.com>
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*
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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 version 2 as
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* published by the Free Software Foundation.
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*
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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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*
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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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*/
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#include <linux/linkage.h>
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#include <asm/fpsimdmacros.h>
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.text
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.pushsection .hyp.text, "ax"
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ENTRY(__fpsimd_save_state)
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fpsimd_save x0, 1
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ret
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ENDPROC(__fpsimd_save_state)
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ENTRY(__fpsimd_restore_state)
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fpsimd_restore x0, 1
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ret
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ENDPROC(__fpsimd_restore_state)
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