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1624 giacomo 1
/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/*
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 * Copyright (C) 2000 Paolo Gai
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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/*
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 * CVS :        $Id: initfile.c,v 1.2 2005-01-08 15:14:32 pj Exp $
1624 giacomo 40
 *
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 * File:        $File$
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 * Revision:    $Revision: 1.2 $
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 * Last update: $Date: 2005-01-08 15:14:32 $
1624 giacomo 44
 */
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#include "kernel/kern.h"
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#include "modules/edf.h"
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#include "modules/rr.h"
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#include "modules/cbs.h"
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#include "modules/dummy.h"
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#include "modules/sem.h"
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#include "modules/hartport.h"
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#include "modules/cabs.h"
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#include "modules/pi.h"
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#include "modules/pc.h"
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#include "modules/srp.h"
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#include "modules/npp.h"
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#include "modules/nop.h"
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#include "modules/nopm.h"
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#include "fs/bdevinit.h"
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#include "fs/fsinit.h"
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#include "fs/bdev.h"
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#include "drivers/keyb.h"
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/*+ sysyem tick in us +*/
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#define TICK 1000
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/*+ RR tick in us +*/
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#define RRTICK 10000
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dev_t root_device=-1;
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dev_t temp_device=-1;
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int __register_sub_init(void)
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{
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#if defined(EDFSCHED)
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  extern void BD_EDF_register_module(void);
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  BD_EDF_register_module();
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#elif defined(PSCANSCHED)
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  extern void BD_PSCAN_register_module(void);
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  BD_PSCAN_register_module();  
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#endif
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  return 0;
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}
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int choose_root_callback(dev_t dev,u_int8_t fs)
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{
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  if (fs==FS_MSDOS) return dev;
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  return -1;
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}
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int choose_temp_callback(__dev_t dev,__uint8_t fs)
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{
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  static int flag=0;
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  if (fs==FS_MSDOS) {
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    if (flag) return dev;
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    flag=1;
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  }
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  return -1;
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}
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int __bdev_sub_init(void)
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{
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  BDEV_PARMS bdev=BASE_BDEV;
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  bdev_def_showinfo(bdev,FALSE);
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  bdev_init(&bdev);
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  root_device=bdev_scan_devices(choose_root_callback);
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  if (root_device<0) {
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    cprintf("can't find root device to mount on /!!!\n");
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    exit(1);
1624 giacomo 116
    return -1;
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  }
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  return 0;
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}
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int __fs_sub_init(void)
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{
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  extern int libc_initialize(void);
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  FILESYSTEM_PARMS fs=BASE_FILESYSTEM;
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  filesystem_def_rootdevice(fs,root_device);
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  filesystem_def_fs(fs,FS_MSDOS);
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  filesystem_def_showinfo(fs,FALSE);
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  filesystem_init(&fs);
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  libc_initialize();
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  return 0;
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}
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TIME __kernel_register_levels__(void *arg)
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{
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  struct multiboot_info *mb = (struct multiboot_info *)arg;
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  extern int __register_sub_init(void);
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  EDF_register_level(EDF_ENABLE_ALL);
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  RR_register_level(RRTICK, RR_MAIN_YES, mb);
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  CBS_register_level(CBS_ENABLE_ALL, 0);
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  dummy_register_level();
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  SEM_register_module();
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  CABS_register_module();
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  PI_register_module();
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  PC_register_module();
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  NPP_register_module();
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  SRP_register_module();
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  NOP_register_module();
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  NOPM_register_module();
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  __register_sub_init();
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  return TICK;
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}
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TASK __init__(void *arg)
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{
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  struct multiboot_info *mb = (struct multiboot_info *)arg;
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  KEYB_PARMS    keyb = BASE_KEYB;
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  extern int __bdev_sub_init(void);
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  extern int __fs_sub_init(void);
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  HARTPORT_init();
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  KEYB_init(&keyb);
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  __bdev_sub_init();
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  __fs_sub_init();
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  __call_main__(mb);
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  return (void *)0;
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}
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