[U-Boot-Users] what's the function jumptable_init() doing?

[孙 彬]

hi,all:
     
       In the dir lib_arm\Board.c,I don't know  the function of jumptable_init() function?who can help me,thanks!
   
      in the func jumptable_init(void),
   
   gd->jt[XF_get_version] = (void *) get_version;
 gd->jt[XF_malloc] = (void *) malloc;
 gd->jt[XF_free] = (void *) free;
 gd->jt[XF_get_timer] = (void *)get_timer;
 gd->jt[XF_udelay] = (void *)udelay;
   
   I can't find where's   XF_get_version,XF_malloc defined?

       
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