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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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223970df2b
The generic storage implementation provides the same features as the custom one. However it can be shared between architectures, making maintenance easier. Co-developed-by: Nam Cao <namcao@linutronix.de> Signed-off-by: Nam Cao <namcao@linutronix.de> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Link: https://lore.kernel.org/all/20250204-vdso-store-rng-v3-14-13a4669dfc8c@linutronix.de
30 lines
583 B
C
30 lines
583 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef _VDSO_DATAPAGE_H
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#define _VDSO_DATAPAGE_H
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#ifdef __KERNEL__
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/*
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* Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
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* Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>,
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* IBM Corp.
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*/
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#ifndef __ASSEMBLY__
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#include <vdso/datapage.h>
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#else /* __ASSEMBLY__ */
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.macro get_datapage ptr symbol
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bcl 20, 31, .+4
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999:
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mflr \ptr
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addis \ptr, \ptr, (\symbol - 999b)@ha
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addi \ptr, \ptr, (\symbol - 999b)@l
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.endm
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* _SYSTEMCFG_H */
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