source: rtems/c/src/lib/libbsp/shared/bootcard.c @ 08b5f55

4.104.114.84.95
Last change on this file since 08b5f55 was 38e4a916, checked in by Joel Sherrill <joel.sherrill@…>, on Jul 13, 1999 at 2:54:16 PM

Patch from Rosimildo DaSilva? <rdasilva@…> to readd calls to
init() and fini() routines.

  • Property mode set to 100644
File size: 2.5 KB
Line 
1/*
2 *  A simple main which can be used on any embedded target.
3 *
4 *  This style of initialization insures that the C++ global
5 *  constructors are executed after RTEMS is initialized.
6 *
7 *  Thanks to Chris Johns <cjohns@plessey.com.au> for this idea.
8 *
9 *  COPYRIGHT (c) 1989-1998.
10 *  On-Line Applications Research Corporation (OAR).
11 *  Copyright assigned to U.S. Government, 1994.
12 *
13 *  The license and distribution terms for this file may be
14 *  found in the file LICENSE in this distribution or at
15 *  http://www.OARcorp.com/rtems/license.html.
16 *
17 *  $Id$
18 */
19
20#include <bsp.h>
21
22extern void bsp_start( void );
23extern void bsp_cleanup( void );
24
25extern rtems_configuration_table  Configuration;
26extern rtems_configuration_table  BSP_Configuration;
27extern rtems_cpu_table            Cpu_table;
28
29/* Initialize C++ global Ctor/Dtor and initializes exception handling. */
30#ifdef USE_INIT_FINI
31extern void _fini( void );
32extern void _init( void );
33#endif
34
35rtems_interrupt_level bsp_isr_level;
36
37/*
38 *  Since there is a forward reference
39 */
40
41int main(int argc, char **argv);
42
43int boot_card(int argc, char **argv)
44{
45  int status;
46
47  /*
48   *  Set default values for the CPU Table fields all ports must have.
49   *  These values can be overridden in bsp_start() but they are
50   *  right most of the time.
51   */
52
53  Cpu_table.pretasking_hook                 = NULL;
54  Cpu_table.predriver_hook                  = NULL;
55  Cpu_table.postdriver_hook                 = NULL;
56  Cpu_table.idle_task                       = NULL;
57  Cpu_table.do_zero_of_workspace            = TRUE;
58  Cpu_table.interrupt_stack_size            = RTEMS_MINIMUM_STACK_SIZE;
59  Cpu_table.extra_mpci_receive_server_stack = 0;
60  Cpu_table.stack_allocate_hook             = NULL;
61  Cpu_table.stack_free_hook                 = NULL;
62
63
64  /*
65   *  Copy the configuration table so we and the BSP wants to change it.
66   */
67
68  BSP_Configuration = Configuration;
69
70  /*
71   *  The atexit hook will be before the static destructor list's entry
72   *  point.
73   */
74
75  bsp_start();
76
77  /*
78   *  Initialize RTEMS but do NOT start multitasking.
79   */
80
81  bsp_isr_level =
82    rtems_initialize_executive_early( &BSP_Configuration, &Cpu_table );
83
84  /*
85   *  Call main() and get the global constructors invoked if there
86   *  are any.
87   */
88#ifdef USE_INIT_FINI
89   atexit( _fini );
90   _init();
91#endif
92
93  status = main(argc, argv);
94
95  /*
96   *  Perform any BSP specific shutdown actions.
97   */
98
99  bsp_cleanup(); 
100
101  /*
102   *  Now return to the start code.
103   */
104
105  return status;
106}
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