gc/ogc/lwp_watchdog.h

   1 #ifndef __LWP_WATCHDOG_H__
   2 #define __LWP_WATCHDOG_H__
   3
   4 #include <gctypes.h>
   5 #include "lwp_queue.h"
   6 #include <time.h>
   7
   8 #if defined(HW_RVL)
   9         #define TB_BUS_CLOCK                            243000000u
  10         #define TB_CORE_CLOCK                           729000000u
  11 #elif defined(HW_DOL)
  12         #define TB_BUS_CLOCK                            162000000u
  13         #define TB_CORE_CLOCK                           486000000u
  14 #endif
  15 #define TB_TIMER_CLOCK                          (TB_BUS_CLOCK/4000)                     //4th of the bus frequency
  16
  17 #define TB_SECSPERMIN                           60
  18 #define TB_MINSPERHR                            60
  19 #define TB_MONSPERYR                            12
  20 #define TB_DAYSPERYR                            365
  21 #define TB_HRSPERDAY                            24
  22 #define TB_SECSPERDAY                           (TB_SECSPERMIN*TB_MINSPERHR*TB_HRSPERDAY)
  23 #define TB_SECSPERNYR                           (365*TB_SECSPERDAY)
  24
  25 #define TB_MSPERSEC                                     1000
  26 #define TB_USPERSEC                                     1000000
  27 #define TB_NSPERSEC                                     1000000000
  28 #define TB_NSPERMS                                      1000000
  29 #define TB_NSPERUS                                      1000
  30 #define TB_USPERTICK                            10000
  31
  32 #define ticks_to_cycles(ticks)          ((u32)(((u64)(ticks)*(u64)((TB_CORE_CLOCK*2)/TB_TIMER_CLOCK))/2))
  33 #define ticks_to_secs(ticks)            ((u32)((u64)(ticks)/(u64)(TB_TIMER_CLOCK*1000)))
  34 #define ticks_to_millisecs(ticks)       ((u32)((u64)(ticks)/(u64)(TB_TIMER_CLOCK)))
  35 #define ticks_to_microsecs(ticks)       ((u32)(((u64)(ticks)*8)/(u64)(TB_TIMER_CLOCK/125)))
  36 #define ticks_to_nanosecs(ticks)        ((u32)(((u64)(ticks)*8000)/(u64)(TB_TIMER_CLOCK/125)))
  37
  38 #define secs_to_ticks(sec)                      ((u64)(sec)*(TB_TIMER_CLOCK*1000))
  39 #define millisecs_to_ticks(msec)        ((u64)(msec)*(TB_TIMER_CLOCK))
  40 #define microsecs_to_ticks(usec)        (((u64)(usec)*(TB_TIMER_CLOCK/125))/8)
  41 #define nanosecs_to_ticks(nsec)         (((u64)(nsec)*(TB_TIMER_CLOCK/125))/8000)
  42
  43 #define diff_ticks(tick0,tick1)         (((u64)(tick1)<(u64)(tick0))?((u64)-1-(u64)(tick0)+(u64)(tick1)):((u64)(tick1)-(u64)(tick0)))
  44
  45 #define LWP_WD_INACTIVE                         0
  46 #define LWP_WD_INSERTED                         1
  47 #define LWP_WD_ACTIVE                           2
  48 #define LWP_WD_REMOVE                           3
  49
  50 #define LWP_WD_FORWARD                          0
  51 #define LWP_WD_BACKWARD                         1
  52
  53 #define LWP_WD_NOTIMEOUT                        0
  54
  55 #define LWP_WD_ABS(x)                           ((s64)(x)>0?(s64)(x):-((s64)(x)))
  56
  57 #ifdef __cplusplus
  58 extern "C" {
  59 #endif
  60
  61 extern vu32 _wd_sync_level;
  62 extern vu32 _wd_sync_count;
  63 extern u32 _wd_ticks_since_boot;
  64
  65 extern lwp_queue _wd_ticks_queue;
  66
  67 extern u32 gettick();
  68 extern u64 gettime();
  69 extern void settime(u64);
  70
  71 u32 diff_sec(u64 start,u64 end);
  72 u32 diff_msec(u64 start,u64 end);
  73 u32 diff_usec(u64 start,u64 end);
  74 u32 diff_nsec(u64 start,u64 end);
  75
  76 typedef void (*wd_service_routine)(void *);
  77
  78 typedef struct _wdcntrl {
  79         lwp_node node;
  80         u64 start;
  81         u32 id;
  82         u32 state;
  83         u64 fire;
  84         wd_service_routine routine;
  85         void *usr_data;
  86 } wd_cntrl;
  87
  88 void __lwp_watchdog_init();
  89 void __lwp_watchdog_settimer(wd_cntrl *wd);
  90 void __lwp_wd_insert(lwp_queue *header,wd_cntrl *wd);
  91 u32 __lwp_wd_remove(lwp_queue *header,wd_cntrl *wd);
  92 void __lwp_wd_tickle(lwp_queue *queue);
  93 void __lwp_wd_adjust(lwp_queue *queue,u32 dir,s64 interval);
  94
  95 #ifdef LIBOGC_INTERNAL
  96 #include <libogc/lwp_watchdog.inl>
  97 #endif
  98
  99 #ifdef __cplusplus
 100         }
 101 #endif
 102
 103 #endif