linux-loongson/arch/powerpc/include/asm/vdso.h
Thomas Weißschuh 223970df2b powerpc/vdso: Switch to generic storage implementation
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
2025-02-21 09:54:02 +01:00

55 lines
1.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_VDSO_H
#define _ASM_POWERPC_VDSO_H
#define VDSO_VERSION_STRING LINUX_2.6.15
#define __VDSO_PAGES 4
#ifndef __ASSEMBLY__
#ifdef CONFIG_PPC64
#include <generated/vdso64-offsets.h>
#endif
#ifdef CONFIG_VDSO32
#include <generated/vdso32-offsets.h>
#endif
#define VDSO64_SYMBOL(base, name) ((unsigned long)(base) + (vdso64_offset_##name))
#define VDSO32_SYMBOL(base, name) ((unsigned long)(base) + (vdso32_offset_##name))
int vdso_getcpu_init(void);
#else /* __ASSEMBLY__ */
#ifdef __VDSO64__
#define V_FUNCTION_BEGIN(name) \
.globl name; \
.type name,@function; \
name: \
#define V_FUNCTION_END(name) \
.size name,.-name;
#define V_LOCAL_FUNC(name) (name)
#endif /* __VDSO64__ */
#ifdef __VDSO32__
#define V_FUNCTION_BEGIN(name) \
.globl name; \
.type name,@function; \
name: \
#define V_FUNCTION_END(name) \
.size name,.-name;
#define V_LOCAL_FUNC(name) (name)
#endif /* __VDSO32__ */
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_VDSO_H */