Subversion Repositories shark

/*

 * Project: S.Ha.R.K.

 *

 * Coordinators:

 *   Giorgio Buttazzo    <giorgio@sssup.it>

 *   Paolo Gai           <pj@gandalf.sssup.it>

 *

 * Authors     :

 *   Paolo Gai           <pj@gandalf.sssup.it>

 *   (see the web pages for full authors list)

 *

 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)

 *

 * http://www.sssup.it

 * http://retis.sssup.it

 * http://shark.sssup.it

 */

/*

 * Copyright (C) 2000 Paolo Gai

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 */

/*

 * CVS :        $Id: initfile.c,v 1.2 2004-06-01 11:54:11 giacomo Exp $

 *

 * File:        $File$

 * Revision:    $Revision: 1.2 $

 * Last update: $Date: 2004-06-01 11:54:11 $

 */

#include "kernel/kern.h"

#include "modules/edf.h"

#include "modules/rr.h"

#include "modules/cbs.h"

#include "modules/dummy.h"

#include "modules/sem.h"

#include "modules/hartport.h"

#include "modules/cabs.h"

#include "modules/pi.h"

#include "modules/pc.h"

#include "modules/srp.h"

#include "modules/npp.h"

#include "modules/nop.h"

#include "modules/nopm.h"

#include "drivers/keyb.h"

#include <fs/bdevinit.h>

#include <fs/fsinit.h>

#include <fs/bdev.h>

/*+ sysyem tick in us +*/

#define TICK 1000

/*+ RR tick in us +*/

#define RRTICK 10000

TIME __kernel_register_levels__(void *arg)

{

  struct multiboot_info *mb = (struct multiboot_info *)arg;

  extern int __register_sub_init_prologue(void);

  extern int __register_sub_init(void);

  __register_sub_init_prologue();

  EDF_register_level(EDF_ENABLE_ALL);

  RR_register_level(RRTICK, RR_MAIN_YES, mb);

  CBS_register_level(CBS_ENABLE_ALL, 0);

  dummy_register_level();

  SEM_register_module();

  CABS_register_module();

  PI_register_module();

  PC_register_module();

  NPP_register_module();

  SRP_register_module();

  NOP_register_module();

  NOPM_register_module();

  __register_sub_init();

  return TICK;

}

TASK __init__(void *arg)

{

  struct multiboot_info *mb = (struct multiboot_info *)arg;

  KEYB_PARMS    keyb = BASE_KEYB;

  extern int __bdev_sub_init(void);

  extern int __fs_sub_init(void);

  extern void ctrlc_exit(KEY_EVT *k);

  HARTPORT_init();

  keyb_def_ctrlC(keyb, ctrlc_exit);

  KEYB_init(&keyb);

  __bdev_sub_init();

  __fs_sub_init();

  __call_main__(mb);

  return (void *)0;

}

#define PSCANSCHED 1

#define NOTRACE

int __register_sub_init_prologue(void)

{

  return 0;

}

int __register_sub_init(void)

{

#if defined(EDFSCHED)

  extern void BD_EDF_register_module(void);

  BD_EDF_register_module();

#elif defined(PSCANSCHED)

  extern void BD_PSCAN_register_module(void);

  BD_PSCAN_register_module();  

#endif

  return 0;

}

dev_t root_device=-1;

dev_t temp_device=-1;

int choose_root_callback(dev_t dev,u_int8_t fs)

{

  if (fs==FS_MSDOS) return dev;

  return -1;

}

int choose_temp_callback(__dev_t dev,__uint8_t fs)

{

  static int flag=0;

  if (fs==FS_MSDOS) {

    if (flag) return dev;

    flag=1;

  }

  return -1;

}

int __bdev_sub_init(void)

{

  BDEV_PARMS bdev=BASE_BDEV;

  bdev_def_showinfo(bdev,FALSE);

  bdev_init(&bdev);

  root_device=bdev_scan_devices(choose_root_callback);

  if (root_device<0) {

    cprintf("can't find root device to mount on /!!!\n");

    sys_end();

    return -1;

  }

  /*

  temp_device=bdev_scan_devices(choose_temp_callback);

  if (temp_device<0) {

    cprintf("can't find a filesystem to mount on /TEMP!!!\n");

  }

  */

  return 0;

}

int __fs_sub_init(void)

{

  extern int libc_initialize(void);

  FILESYSTEM_PARMS fs=BASE_FILESYSTEM;

  struct mount_opts opts;

  //  int res;

  filesystem_def_rootdevice(fs,root_device);

  filesystem_def_fs(fs,FS_MSDOS);

  filesystem_def_showinfo(fs,FALSE);

  filesystem_def_options(fs,opts);

  memset(&opts,0,sizeof(struct mount_opts));

  opts.flags=MOUNT_FLAG_RW;

  filesystem_init(&fs);

  /*

  if (temp_device>=0) {

    memset(&opts,0,sizeof(struct mount_opts));

    opts.flags=MOUNT_FLAG_RW;

    res=mount(temp_device,FS_MSDOS,"/TEMP",&opts);

    if (res!=0) {

      cprintf("can't mount XXX on /TEMP (errno: %i)\n",errno);

    } else

      cprintf("mounted /TEMP rw\n");    

  }

  */

  libc_initialize();

  return 0;

}

void ctrlc_exit(KEY_EVT *k)

{

  extern void dump_sem_table(void);

  extern void dump_nop_table(void);

#ifndef NOGRX

  grx_close();

#endif

  cprintf("CTRL-C pressed!\n");

  sys_end();

}