source: rtems/c/src/lib/libbsp/h8300/h8sim/startup/bspstart.c @ 195e6663

4.104.114.84.95
Last change on this file since 195e6663 was 195e6663, checked in by Ralf Corsepius <ralf.corsepius@…>, on Mar 31, 2004 at 4:28:53 AM

2004-03-31 Ralf Corsepius <ralf_corsepius@…>

  • include/bsp.h, startup/bspstart.c: Convert to using c99 fixed size types.
  • Property mode set to 100644
File size: 2.4 KB
Line 
1/*
2 *  This routine starts the application.  It includes application,
3 *  board, and monitor specific initialization and configuration.
4 *  The generic CPU dependent initialization has been performed
5 *  before this routine is invoked.
6 *
7 *  COPYRIGHT (c) 1989-1999.
8 *  On-Line Applications Research Corporation (OAR).
9 *
10 *  The license and distribution terms for this file may be
11 *  found in the file LICENSE in this distribution or at
12 *  http://www.rtems.com/license/LICENSE.
13 *
14 *  $Id$
15 */
16
17#include <string.h>
18
19#include <bsp.h>
20#include <rtems/libio.h>
21#include <rtems/libcsupport.h>
22 
23/*
24 *  The original table from the application and our copy of it with
25 *  some changes.
26 */
27
28extern rtems_configuration_table Configuration;
29
30rtems_configuration_table  BSP_Configuration;
31
32rtems_cpu_table Cpu_table;
33
34char *rtems_progname;
35
36/*
37 *  Use the shared implementations of the following routines
38 */
39 
40void bsp_postdriver_hook(void);
41void bsp_libc_init( void *, uint32_t, int );
42
43/*
44 *  Function:   bsp_pretasking_hook
45 *  Created:    95/03/10
46 *
47 *  Description:
48 *      BSP pretasking hook.  Called just before drivers are initialized.
49 *      Used to setup libc and install any BSP extensions.
50 *
51 *  NOTES:
52 *      Must not use libc (to do io) from here, since drivers are
53 *      not yet initialized.
54 *
55 */
56 
57void bsp_pretasking_hook(void)
58{
59    void         *heapStart;
60    unsigned long heapSize;
61    extern int WorkspaceBase;
62
63    heapStart =  (void *)
64       ((unsigned long)&WorkspaceBase + BSP_Configuration.work_space_size);
65    if ( (unsigned long) heapStart > (256 * 1024) )
66       rtems_fatal_error_occurred (('H'<<24) | ('E'<<16) | ('A'<<8) | 'P');
67    heapSize = (256 * 1024) - (unsigned long)(heapStart);
68    bsp_libc_init(heapStart, heapSize, 0);
69
70#ifdef RTEMS_DEBUG
71    rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
72#endif
73
74}
75 
76/*
77 *  bsp_start
78 *
79 *  This routine does the bulk of the system initialization.
80 */
81
82void bsp_start( void )
83{
84  extern int WorkspaceBase;
85  /* Configure Number of Register Caches */
86
87  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
88  Cpu_table.postdriver_hook = bsp_postdriver_hook;
89  Cpu_table.interrupt_stack_size = 4096;
90
91/*
92  if ( BSP_Configuration.work_space_size >(512*1024) )
93   _sys_exit( 1 );
94*/
95
96  BSP_Configuration.work_space_start = (void *) &WorkspaceBase;
97}
98
99void H8BD_Install_IRQ(
100  uint32_t      vector,
101  proc_ptr      new_handler,
102  proc_ptr      *old_handler )
103{ /* empty */
104}
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