lunaix-os/kernel/time/clock.c

   1 #include <hal/hwrtc.h>
   2 #include <hal/hwtimer.h>
   3 #include <lunaix/clock.h>
   4 #include <lunaix/fs/twifs.h>
   5 #include <lunaix/spike.h>
   6
   7 #include <klibc/string.h>
   8
   9 void
  10 __clock_read_systime(struct twimap* map)
  11 {
  12     ticks_t sys_time = clock_systime();
  13     twimap_printf(map, "%u", sys_time);
  14 }
  15
  16 void
  17 __clock_read_datetime(struct twimap* map)
  18 {
  19     datetime_t dt;
  20     clock_walltime(&dt);
  21     twimap_printf(map,
  22                   "%.4d-%.2d-%.2d %.2d:%.2d:%.2d",
  23                   dt.year,
  24                   dt.month,
  25                   dt.day,
  26                   dt.hour,
  27                   dt.minute,
  28                   dt.second);
  29 }
  30
  31 void
  32 __clock_read_unix(struct twimap* map)
  33 {
  34     twimap_printf(map, "%u", clock_unixtime());
  35 }
  36
  37 void
  38 clock_build_mapping()
  39 {
  40     struct twifs_node* root = twifs_dir_node(NULL, "clock");
  41     struct twimap* map;
  42
  43     map = twifs_mapping(root, NULL, "systime");
  44     map->read = __clock_read_systime;
  45
  46     map = twifs_mapping(root, NULL, "unix");
  47     map->read = __clock_read_unix;
  48
  49     map = twifs_mapping(root, NULL, "datetime");
  50     map->read = __clock_read_datetime;
  51 }
  52 EXPORT_TWIFS_PLUGIN(sys_clock, clock_build_mapping);
  53
  54 time_t
  55 clock_unixtime()
  56 {
  57     datetime_t dt;
  58     hwrtc_walltime(&dt);
  59     return datetime_tounix(&dt);
  60 }
  61
  62 time_t
  63 clock_systime()
  64 {
  65     if (!current_timer) {
  66         return 0;
  67     }
  68
  69     ticks_t t = hwtimer_current_systicks();
  70     return t / current_timer->running_freq;
  71 }
  72
  73 void
  74 clock_walltime(datetime_t* datetime)
  75 {
  76     primary_rtc->get_walltime(primary_rtc, datetime);
  77 }