source: rtems/c/src/lib/libbsp/sh/shared/bspstart.c @ b1ded240

4.104.115
Last change on this file since b1ded240 was 5e8726d0, checked in by Joel Sherrill <joel.sherrill@…>, on Sep 15, 2008 at 7:18:45 PM

2008-09-15 Joel Sherrill <joel.sherrill@…>

  • shared/bspgetworkarea.c, shared/bsphwinit.c, shared/bspstart.c: New files.
  • Property mode set to 100644
File size: 1.6 KB
RevLine 
[5e8726d0]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) 2001.
8 *  Ralf Corsepius (corsepiu@faw.uni-ulm.de).
9 *
10 *  This program is distributed in the hope that it will be useful,
11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 *
14 *  COPYRIGHT (c) 2001.
15 *  On-Line Applications Research Corporation (OAR).
16 *
17 *  The license and distribution terms for this file may be
18 *  found in the file LICENSE in this distribution or at
19 *  http://www.rtems.com/license/LICENSE.
20 *
21 *  $Id$
22 */
23
24#include <bsp.h>
25
26uint32_t bsp_clicks_per_second;
27
28#ifndef START_HW_INIT
29  void bsp_hw_init(void);
30#endif
31
32/*
33 *  bsp_start
34 *
35 *  This routine does the bulk of the system initialization.
36 */
37void bsp_start( void )
38{
39  /*
40   * For real boards you need to setup the hardware
41   * and need to copy the vector table from rom to ram.
42   *
43   * Depending on the board this can either be done from inside the rom
44   * startup code, rtems startup code or here.
45   */
46
47  #ifndef START_HW_INIT
48    /* board hardware setup here, or from 'start.S' */
49    bsp_hw_init();
50  #endif
51
52  /*
53   *  initialize the interrupt stack for this BSP
54   */
55  #if ( CPU_ALLOCATE_INTERRUPT_STACK == FALSE )
56    _CPU_Interrupt_stack_low = &CPU_Interrupt_stack_low ;
57    _CPU_Interrupt_stack_high = &CPU_Interrupt_stack_high ;
58  #endif
59
60  /*
61   *  initialize the device driver parameters
62   */
63  bsp_clicks_per_second = CPU_CLOCK_RATE_HZ;
64}
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