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>
35 lines
612 B
C
35 lines
612 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2023 Arm Ltd.
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*/
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#ifndef _ASM_ARM64_POR_H
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#define _ASM_ARM64_POR_H
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#include <asm/sysreg.h>
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#define POR_EL0_INIT POR_ELx_PERM_PREP(0, POE_RWX)
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static inline bool por_elx_allows_read(u64 por, u8 pkey)
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{
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u8 perm = POR_ELx_PERM_GET(pkey, por);
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return perm & POE_R;
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}
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static inline bool por_elx_allows_write(u64 por, u8 pkey)
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{
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u8 perm = POR_ELx_PERM_GET(pkey, por);
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return perm & POE_W;
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}
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static inline bool por_elx_allows_exec(u64 por, u8 pkey)
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{
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u8 perm = POR_ELx_PERM_GET(pkey, por);
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return perm & POE_X;
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}
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#endif /* _ASM_ARM64_POR_H */
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