gonzui

    1: /*
    2:  *----------------------------------------------------------------------
    3:  *    T-Kernel 2.0 Software Package
    4:  *
    5:  *    Copyright 2011 by Ken Sakamura.
    6:  *    This software is distributed under the latest version of T-License 2.x.
    7:  *----------------------------------------------------------------------
    8:  *
    9:  *    Released by T-Engine Forum(http://www.t-engine.org/) at 2011/05/17.
   10:  *    Modified by T-Engine Forum at 2013/02/28.
   11:  *    Modified by TRON Forum(http://www.tron.org/) at 2015/06/01.
   12:  *
   13:  *----------------------------------------------------------------------
   14:  */
   15: 
   16: /*
   17:  *      inittask_main.c (sysmain)
   18:  *      Initial Task
   19:  */
   20: 
   21: #include "sysmain.h"
   22: #include "kernel.h"
   23: #include <sys/rominfo.h>
   24: #include <sys/debug.h>
   25: 
   26: typedef INT     (*MAIN_FP)(INT, UB **);
   27: 
   28: /* ------------------------------------------------------------------------ */
   29: 
   30: /*
   31:  * Initial task Main
   32:  *      The available stack size is slightly less than 8KB.
   33:  *      The initial task is the system task,
   34:  *      so it should not be deleted.
   35:  */
   36: EXPORT INT init_task_main( void )
   37: {
   38:         INT    fin;
   39:         MAIN_FP        adr;
   40: 
   41:         /* Start message */
   42: #if USE_KERNEL_MESSAGE
   43:         tm_putstring((UB*)BOOT_MESSAGE);
   44: #endif
   45: 
   46:         fin = 1;
   47:         adr = (MAIN_FP)ROMInfo->userinit;
   48:         if ( adr != NULL ) {
   49:                 /* Perform user defined initialization sequence */
   50:                 fin = (*adr)(0, NULL);
   51:         }
   52:         if ( fin > 0 ) {
   53:                 /* Perform user main */
   54:                 fin = usermain();
   55:         }
   56:         if ( adr != NULL ) {
   57:                 /* Perform user defined finalization sequence */
   58:                 (*adr)(-1, NULL);
   59:         }
   60: 
   61:         return fin;
   62: }