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>
31 lines
752 B
C
31 lines
752 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2025 Xi Ruoyao <xry111@xry111.site>. All Rights Reserved.
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*/
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#ifndef __ASM_VDSO_GETRANDOM_H
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#define __ASM_VDSO_GETRANDOM_H
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#ifndef __ASSEMBLER__
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#include <asm/unistd.h>
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static __always_inline ssize_t getrandom_syscall(void *_buffer, size_t _len, unsigned int _flags)
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{
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register long ret asm("a0");
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register long nr asm("a7") = __NR_getrandom;
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register void *buffer asm("a0") = _buffer;
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register size_t len asm("a1") = _len;
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register unsigned int flags asm("a2") = _flags;
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asm volatile ("ecall\n"
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: "=r" (ret)
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: "r" (nr), "r" (buffer), "r" (len), "r" (flags)
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: "memory");
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return ret;
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}
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#endif /* !__ASSEMBLER__ */
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#endif /* __ASM_VDSO_GETRANDOM_H */
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