1 files changed, 44 insertions, 0 deletions

diff --git a/include/asm-x86/vsyscall.h b/include/asm-x86/vsyscall.h
new file mode 100644
index 000000000000..3b8ceb4af2cf
--- /dev/null
+++ b/include/asm-x86/vsyscall.h
@@ -0,0 +1,44 @@
+#ifndef _ASM_X86_64_VSYSCALL_H_
+#define _ASM_X86_64_VSYSCALL_H_
+
+enum vsyscall_num {
+        __NR_vgettimeofday,
+        __NR_vtime,
+        __NR_vgetcpu,
+};
+
+#define VSYSCALL_START (-10UL << 20)
+#define VSYSCALL_SIZE 1024
+#define VSYSCALL_END (-2UL << 20)
+#define VSYSCALL_MAPPED_PAGES 1
+#define VSYSCALL_ADDR(vsyscall_nr) (VSYSCALL_START+VSYSCALL_SIZE*(vsyscall_nr))
+
+#ifdef __KERNEL__
+#include <linux/seqlock.h>
+
+#define __section_vgetcpu_mode __attribute__ ((unused, __section__ (".vgetcpu_mode"), aligned(16)))
+#define __section_jiffies __attribute__ ((unused, __section__ (".jiffies"), aligned(16)))
+
+/* Definitions for CONFIG_GENERIC_TIME definitions */
+#define __section_vsyscall_gtod_data __attribute__ \
+        ((unused, __section__ (".vsyscall_gtod_data"),aligned(16)))
+#define __section_vsyscall_clock __attribute__ \
+        ((unused, __section__ (".vsyscall_clock"),aligned(16)))
+#define __vsyscall_fn __attribute__ ((unused,__section__(".vsyscall_fn")))
+
+#define VGETCPU_RDTSCP  1
+#define VGETCPU_LSL     2
+
+#define hpet_readl(a)           readl((const void __iomem *)fix_to_virt(FIX_HPET_BASE) + a)
+#define hpet_writel(d,a)        writel(d, (void __iomem *)fix_to_virt(FIX_HPET_BASE) + a)
+
+extern int __vgetcpu_mode;
+extern volatile unsigned long __jiffies;
+
+/* kernel space (writeable) */
+extern int vgetcpu_mode;
+extern struct timezone sys_tz;
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_X86_64_VSYSCALL_H_ */