2005-04-16 15:20:36 -07:00
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#ifndef _ASM_X86_64_VSYSCALL_H_
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#define _ASM_X86_64_VSYSCALL_H_
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enum vsyscall_num {
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__NR_vgettimeofday,
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__NR_vtime,
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__NR_vgetcpu,
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2005-04-16 15:20:36 -07:00
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};
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#define VSYSCALL_START (-10UL << 20)
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#define VSYSCALL_SIZE 1024
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#define VSYSCALL_END (-2UL << 20)
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2006-12-06 18:14:09 -07:00
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#define VSYSCALL_MAPPED_PAGES 1
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2005-04-16 15:20:36 -07:00
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#define VSYSCALL_ADDR(vsyscall_nr) (VSYSCALL_START+VSYSCALL_SIZE*(vsyscall_nr))
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#ifdef __KERNEL__
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2006-09-16 12:15:48 -07:00
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#include <linux/seqlock.h>
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2005-04-16 15:20:36 -07:00
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2006-09-26 01:52:28 -07:00
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#define __section_vgetcpu_mode __attribute__ ((unused, __section__ (".vgetcpu_mode"), aligned(16)))
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2005-04-16 15:20:36 -07:00
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#define __section_jiffies __attribute__ ((unused, __section__ (".jiffies"), aligned(16)))
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2007-02-16 02:28:21 -07:00
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/* Definitions for CONFIG_GENERIC_TIME definitions */
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#define __section_vsyscall_gtod_data __attribute__ \
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((unused, __section__ (".vsyscall_gtod_data"),aligned(16)))
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2007-07-21 08:10:01 -07:00
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#define __section_vsyscall_clock __attribute__ \
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((unused, __section__ (".vsyscall_clock"),aligned(16)))
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#define __vsyscall_fn __attribute__ ((unused,__section__(".vsyscall_fn")))
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2005-04-16 15:20:36 -07:00
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2006-09-26 01:52:28 -07:00
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#define VGETCPU_RDTSCP 1
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#define VGETCPU_LSL 2
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extern int __vgetcpu_mode;
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2005-04-16 15:20:36 -07:00
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extern volatile unsigned long __jiffies;
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/* kernel space (writeable) */
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2006-09-26 01:52:28 -07:00
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extern int vgetcpu_mode;
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2005-04-16 15:20:36 -07:00
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extern struct timezone sys_tz;
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2008-01-30 05:32:39 -07:00
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extern void map_vsyscall(void);
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2005-04-16 15:20:36 -07:00
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#endif /* __KERNEL__ */
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#endif /* _ASM_X86_64_VSYSCALL_H_ */
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