source: rtems/c/src/lib/libbsp/powerpc/shared/startup/pretaskinghook.c @ c0e00eb7

/*
 *  bsp_pretasking_hook().
 *  Initializes the heap, libc and VME.
 *
 *  COPYRIGHT (c) 1989-1998.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  Modified to support the MCP750.
 *  Modifications Copyright (C) 1999 Eric Valette. valette@crf.canon.fr
 *
 *  $Id$
 */

#include <string.h>

#include <bsp.h>
#ifndef BSP_HAS_NO_VME
#include <bsp/VME.h>
#endif

#ifdef SHOW_MORE_INIT_SETTINGS
#include <rtems/bspIo.h>
#endif

#include <rtems/malloc.h>

/*
 *  bsp_pretasking_hook
 *
 *  Description:
 *      BSP pretasking hook.  Called just before drivers are initialized.
 *
 *  NOTES:
 *      Must not use libc (to do io) from here, since drivers are
 *      not yet initialized.
 *
 */

void bsp_pretasking_hook(void)
{
  /* Note that VME support may be omitted also by
   * providing a no-op  BSP_vme_config routine
   */
#ifndef BSP_HAS_NO_VME
  /*
   * Initialize VME bridge - needs working PCI
   * and IRQ subsystems...
   *
   * NOTE: vmeUniverse driver now uses shared interrupts.
   *       this requires malloc/free which are not available
   *       from bspstart()...
   */
#ifdef SHOW_MORE_INIT_SETTINGS
  printk("Going to initialize VME bridge\n");
#endif
  BSP_vme_config();
#endif

#ifdef SHOW_MORE_INIT_SETTINGS
  printk("Leaving bsp_pretasking_hook\n");
#endif
}