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author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 11:20:03 +0200 |
commit | 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 (patch) | |
tree | d947a467aa2da3140279617bc4b9b101640d7bf4 /include/asm-x86/vsyscall.h | |
parent | 27bd0c955648646abf2a353a8371d28c37bcd982 (diff) | |
download | lwn-96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42.tar.gz lwn-96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42.zip |
i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/vsyscall.h')
-rw-r--r-- | include/asm-x86/vsyscall.h | 44 |
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_ */ |