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[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [lib/] [libbsp/] [h8300/] [h8sim/] [startup/] [bspstart.c] - Rev 1765

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/*
 *  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.
 *
 *  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.OARcorp.com/rtems/license.html.
 *
 *  bspstart.c,v 1.4 2002/08/05 16:55:50 joel Exp
 */
 
#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;
 
rtems_cpu_table Cpu_table;
 
char *rtems_progname;
 
/*
 *  Use the shared implementations of the following routines
 */
 
void bsp_postdriver_hook(void);
void bsp_libc_init( void *, unsigned32, int );
 
/*
 *  Function:   bsp_pretasking_hook
 *  Created:    95/03/10
 *
 *  Description:
 *      BSP pretasking hook.  Called just before drivers are initialized.
 *      Used to setup libc and install any BSP extensions.
 *
 *  NOTES:
 *      Must not use libc (to do io) from here, since drivers are
 *      not yet initialized.
 *
 */
 
void bsp_pretasking_hook(void)
{
    void         *heapStart;
    unsigned long heapSize;
    unsigned long ramSpace;
    extern int WorkspaceBase;
 
    heapStart =  (void *)
       ((unsigned long)&WorkspaceBase + BSP_Configuration.work_space_size);
    if ( (unsigned long) heapStart > (256 * 1024) )
       rtems_fatal_error_occurred (('H'<<24) | ('E'<<16) | ('A'<<8) | 'P');
    heapSize = (256 * 1024) - (unsigned long)(heapStart);
    bsp_libc_init(heapStart, heapSize, 0);
 
#ifdef RTEMS_DEBUG
    rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
#endif
 
}
 
/*
 *  bsp_start
 *
 *  This routine does the bulk of the system initialization.
 */
 
void bsp_start( void )
{
  extern int WorkspaceBase;
  /* Configure Number of Register Caches */
 
  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
  Cpu_table.postdriver_hook = bsp_postdriver_hook;
  Cpu_table.interrupt_stack_size = 4096;
 
/*
  if ( BSP_Configuration.work_space_size >(512*1024) )
   _sys_exit( 1 );
*/
 
  BSP_Configuration.work_space_start = (void *) &WorkspaceBase;
}
 
H8BD_Install_IRQ() {}
 

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