1 #ifndef _ASM_X86_64_VSYSCALL_H_
2 #define _ASM_X86_64_VSYSCALL_H_
10 #define VSYSCALL_START (-10UL << 20)
11 #define VSYSCALL_SIZE 1024
12 #define VSYSCALL_END (-2UL << 20)
13 #define VSYSCALL_MAPPED_PAGES 1
14 #define VSYSCALL_ADDR(vsyscall_nr) (VSYSCALL_START+VSYSCALL_SIZE*(vsyscall_nr))
17 #include <linux/seqlock.h>
19 #define __section_vgetcpu_mode __attribute__ ((unused, __section__ (".vgetcpu_mode"), aligned(16)))
20 #define __section_jiffies __attribute__ ((unused, __section__ (".jiffies"), aligned(16)))
22 /* Definitions for CONFIG_GENERIC_TIME definitions */
23 #define __section_vsyscall_gtod_data __attribute__ \
24 ((unused, __section__ (".vsyscall_gtod_data"),aligned(16)))
25 #define __section_vsyscall_clock __attribute__ \
26 ((unused, __section__ (".vsyscall_clock"),aligned(16)))
27 #define __vsyscall_fn __attribute__ ((unused,__section__(".vsyscall_fn")))
29 #define VGETCPU_RDTSCP 1
32 #define hpet_readl(a) readl((const void __iomem *)fix_to_virt(FIX_HPET_BASE) + a)
33 #define hpet_writel(d,a) writel(d, (void __iomem *)fix_to_virt(FIX_HPET_BASE) + a)
35 extern int __vgetcpu_mode;
36 extern volatile unsigned long __jiffies;
38 /* kernel space (writeable) */
39 extern int vgetcpu_mode;
40 extern struct timezone sys_tz;
42 #endif /* __KERNEL__ */
44 #endif /* _ASM_X86_64_VSYSCALL_H_ */