source: rtems/c/src/lib/libbsp/m68k/gen68340/startup/bspstart.c @ d34d8692

/*  bsp_start()
 *
 *  This routine starts the application.  It includes application,
 *  board, and monitor specific initialization and configuration.
 *  The generic CPU dependent initialization has been performed
 *  before this routine is invoked.
 *
 *  INPUT:  NONE
 *
 *  OUTPUT: NONE
 *
 *  COPYRIGHT (c) 1989-1999.
 *  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.
 *
 *  $Id$
 */

#include <string.h>

#include <bsp.h>
#include <rtems/libio.h>
#include <rtems/libcsupport.h>

/*
 *  The original table from the application and our copy of it with
 *  some changes.
 */

extern rtems_configuration_table Configuration;
rtems_configuration_table  BSP_Configuration;

char *rtems_progname;

/*      Initialize whatever libc we are using
 *      called from postdriver hook
 */
void bsp_postdriver_hook(void);
void bsp_libc_init( void *, uint32_t, int );
void bsp_pretasking_hook(void);               /* m68k version */

/*
 *  bsp_start
 *
 *  This routine does the bulk of the system initialization.
 */

void bsp_start( void )
{
  extern void          *_WorkspaceBase;
  extern void          *_RamSize;
  extern unsigned long  _M68k_Ramsize;

  /* RAM size set in linker script */
  _M68k_Ramsize = (unsigned long)&_RamSize;

  /*
   *  Allocate the memory for the RTEMS Work Space.  This can come from
   *  a variety of places: hard coded address, malloc'ed from outside
   *  RTEMS world (e.g. simulator or primitive memory manager), or (as
   *  typically done by stock BSPs) by subtracting the required amount
   *  of work space from the last physical address on the CPU board.
   */

  /*
   *  Need to "allocate" the memory for the RTEMS Workspace and
   *  tell the RTEMS configuration where it is.  This memory is
   *  not malloc'ed.  It is just "pulled from the air".
   */

  BSP_Configuration.work_space_start = (void *)&_WorkspaceBase;
}