Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
40 lines
660 B
C
40 lines
660 B
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (C) 2020 ARM Limited
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#include "helper.h"
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size_t keyia_sign(size_t ptr)
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{
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asm volatile("paciza %0" : "+r" (ptr));
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return ptr;
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}
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size_t keyib_sign(size_t ptr)
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{
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asm volatile("pacizb %0" : "+r" (ptr));
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return ptr;
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}
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size_t keyda_sign(size_t ptr)
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{
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asm volatile("pacdza %0" : "+r" (ptr));
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return ptr;
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}
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size_t keydb_sign(size_t ptr)
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{
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asm volatile("pacdzb %0" : "+r" (ptr));
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return ptr;
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}
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size_t keyg_sign(size_t ptr)
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{
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/* output is encoded in the upper 32 bits */
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size_t dest = 0;
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size_t modifier = 0;
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asm volatile("pacga %0, %1, %2" : "=r" (dest) : "r" (ptr), "r" (modifier));
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return dest;
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}
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