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[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [lib/] [libbsp/] [h8300/] [h8sim/] [startup/] [bspstart.c] - Blame information for rev 1026

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Line No. Rev Author Line
1 1026 ivang
/*
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 *  This routine starts the application.  It includes application,
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 *  board, and monitor specific initialization and configuration.
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 *  The generic CPU dependent initialization has been performed
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 *  before this routine is invoked.
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  bspstart.c,v 1.4 2002/08/05 16:55:50 joel Exp
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 */
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#include <string.h>
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#include <bsp.h>
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#include <rtems/libio.h>
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#include <rtems/libcsupport.h>
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/*
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 *  The original table from the application and our copy of it with
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 *  some changes.
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 */
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extern rtems_configuration_table Configuration;
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rtems_configuration_table  BSP_Configuration;
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rtems_cpu_table Cpu_table;
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char *rtems_progname;
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/*
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 *  Use the shared implementations of the following routines
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 */
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void bsp_postdriver_hook(void);
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void bsp_libc_init( void *, unsigned32, int );
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/*
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 *  Function:   bsp_pretasking_hook
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 *  Created:    95/03/10
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 *
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 *  Description:
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 *      BSP pretasking hook.  Called just before drivers are initialized.
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 *      Used to setup libc and install any BSP extensions.
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 *
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 *  NOTES:
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 *      Must not use libc (to do io) from here, since drivers are
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 *      not yet initialized.
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 *
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 */
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void bsp_pretasking_hook(void)
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{
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    void         *heapStart;
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    unsigned long heapSize;
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    unsigned long ramSpace;
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    extern int WorkspaceBase;
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    heapStart =  (void *)
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       ((unsigned long)&WorkspaceBase + BSP_Configuration.work_space_size);
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    if ( (unsigned long) heapStart > (256 * 1024) )
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       rtems_fatal_error_occurred (('H'<<24) | ('E'<<16) | ('A'<<8) | 'P');
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    heapSize = (256 * 1024) - (unsigned long)(heapStart);
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    bsp_libc_init(heapStart, heapSize, 0);
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#ifdef RTEMS_DEBUG
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    rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
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#endif
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}
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/*
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 *  bsp_start
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 *
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 *  This routine does the bulk of the system initialization.
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 */
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void bsp_start( void )
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{
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  extern int WorkspaceBase;
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  /* Configure Number of Register Caches */
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  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
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  Cpu_table.postdriver_hook = bsp_postdriver_hook;
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  Cpu_table.interrupt_stack_size = 4096;
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/*
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  if ( BSP_Configuration.work_space_size >(512*1024) )
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   _sys_exit( 1 );
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*/
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  BSP_Configuration.work_space_start = (void *) &WorkspaceBase;
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}
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H8BD_Install_IRQ() {}

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