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 void
  55 clock_init()
  56 {
  57     hwrtc_init();
  58 }
  59
  60 time_t
  61 clock_unixtime()
  62 {
  63     datetime_t dt;
  64     hwrtc_walltime(&dt);
  65     return datetime_tounix(&dt);
  66 }
  67
  68 time_t
  69 clock_systime()
  70 {
  71     ticks_t t = hwtimer_current_systicks();
  72     return t / hwtimer_base_frequency();
  73 }
  74
  75 void
  76 clock_walltime(datetime_t* datetime)
  77 {
  78     current_rtc->get_walltime(current_rtc, datetime);
  79 }