gonzui: tkernel_2/monitor/cmdsvc/src/armv6/misc.c

    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 TRON Forum(http://www.tron.org/) at 2015/06/01.
   11:  *
   12:  *----------------------------------------------------------------------
   13:  */
   14: 
   15: /*
   16:  *      misc.c
   17:  *
   18:  */
   19: 
   20: #include "../cmdsvc.h"
   21: #include <sys/rominfo.h>
   22: 
   23: /*
   24:  * Invoking user reset initialization routine
   25:  */
   26: EXPORT void callUserResetInit( void )
   27: {
   28:         UW     wp = (UW)ROMInfo->resetinit;
   29: 
   30:         if (  invalidPC2(wp)
   31:           || !inMemArea(wp, wp+4, MSA_ROM|MSA_FROM)
   32:           ||  inMemArea(wp, wp+4, MSA_MON) ) return; /* invalid */
   33: 
   34:         callExtProg(ROMInfo->resetinit);
   35: }
   36: 
   37: /*
   38:  * Prepare ROM kernel execution
   39:  *      It means that we don't execute ROM kernel immediately, but we prepare so that upon return from the ordinary monitor,
   40:  *       it gets executed.
   41:  */
   42: EXPORT ER bootROM( void )
   43: {
   44:         UW     wp = (UW)ROMInfo->kernel;
   45: 
   46:         if (  invalidPC2(wp)
   47:           || !inMemArea(wp, wp+4, MSA_ROM|MSA_FROM)
   48:           ||  inMemArea(wp, wp+4, MSA_MON) ) return E_NOEXS; /* invalid */
   49: 
   50:         /* set boot configuration */
   51:         setUpBoot(ROMInfo->kernel, NULL);
   52: 
   53:         return E_OK;
   54: }