include/asm-x86/time.h

   1 #ifndef _ASMX86_TIME_H
   2 #define _ASMX86_TIME_H
   3
   4 extern void (*late_time_init)(void);
   5 extern void hpet_time_init(void);
   6
   7 #include <asm/mc146818rtc.h>
   8 #ifdef CONFIG_X86_32
   9 #include <linux/efi.h>
  10
  11 static inline unsigned long native_get_wallclock(void)
  12 {
  13         unsigned long retval;
  14
  15         if (efi_enabled)
  16                 retval = efi_get_time();
  17         else
  18                 retval = mach_get_cmos_time();
  19
  20         return retval;
  21 }
  22
  23 static inline int native_set_wallclock(unsigned long nowtime)
  24 {
  25         int retval;
  26
  27         if (efi_enabled)
  28                 retval = efi_set_rtc_mmss(nowtime);
  29         else
  30                 retval = mach_set_rtc_mmss(nowtime);
  31
  32         return retval;
  33 }
  34
  35 #else
  36 extern void native_time_init_hook(void);
  37
  38 static inline unsigned long native_get_wallclock(void)
  39 {
  40         return mach_get_cmos_time();
  41 }
  42
  43 static inline int native_set_wallclock(unsigned long nowtime)
  44 {
  45         return mach_set_rtc_mmss(nowtime);
  46 }
  47
  48 #endif
  49
  50 #ifdef CONFIG_PARAVIRT
  51 #include <asm/paravirt.h>
  52 #else /* !CONFIG_PARAVIRT */
  53
  54 #define get_wallclock() native_get_wallclock()
  55 #define set_wallclock(x) native_set_wallclock(x)
  56 #define choose_time_init() hpet_time_init
  57
  58 #endif /* CONFIG_PARAVIRT */
  59
  60 #endif