src/core/init.c

   1 /**************************************************************************
   2  * call_{init,reset,exit}_fns ()
   3  *
   4  * Call the various initialisation and exit functions.  We use a
   5  * function table so that we don't end up dragging in an object just
   6  * because we call its initialisation function.
   7  **************************************************************************
   8  */
   9
  10 #include <gpxe/init.h>
  11
  12 static struct init_fn init_fns[0]
  13         __table_start ( struct init_fn, init_fn );
  14 static struct init_fn init_fns_end[0]
  15         __table_end ( struct init_fn, init_fn );
  16
  17 void call_init_fns ( void ) {
  18         struct init_fn *init_fn;
  19
  20         for ( init_fn = init_fns; init_fn < init_fns_end ; init_fn++ ) {
  21                 if ( init_fn->init )
  22                         init_fn->init ();
  23         }
  24 }
  25
  26 void call_reset_fns ( void ) {
  27         struct init_fn *init_fn;
  28
  29         for ( init_fn = init_fns; init_fn < init_fns_end ; init_fn++ ) {
  30                 if ( init_fn->reset )
  31                         init_fn->reset ();
  32         }
  33 }
  34
  35 void call_exit_fns ( void ) {
  36         struct init_fn *init_fn;
  37
  38         /*
  39          * Exit functions are called in reverse order to
  40          * initialisation functions.
  41          */
  42         for ( init_fn = init_fns_end - 1; init_fn >= init_fns ; init_fn-- ) {
  43                 if ( init_fn->exit )
  44                         init_fn->exit ();
  45         }
  46 }