source: rtems/c/src/lib/libbsp/i386/pc386/startup/bspstart.c @ 441b90e

4.115
Last change on this file since 441b90e was 8a7ed82, checked in by Jennifer Averett <Jennifer.Averett@…>, on Aug 1, 2011 at 1:41:37 PM

2011-08-01 Jennifer Averett <Jennifer.Averett@…>

PR 1802

  • Makefile.am, configure.ac, preinstall.am, clock/ckinit.c, start/start16.S, startup/bspstart.c, startup/ldsegs.S: Add SMP support for i386.
  • Property mode set to 100644
File size: 2.9 KB
Line 
1/*-------------------------------------------------------------------------+
2| This file contains the PC386 BSP startup package. It includes application,
3| board, and monitor specific initialization and configuration. The generic CPU
4| dependent initialization has been performed before this routine is invoked.
5+--------------------------------------------------------------------------+
6| (C) Copyright 1997 -
7| - NavIST Group - Real-Time Distributed Systems and Industrial Automation
8|
9| http://pandora.ist.utl.pt
10|
11| Instituto Superior Tecnico * Lisboa * PORTUGAL
12+--------------------------------------------------------------------------+
13| Disclaimer:
14|
15| This file is provided "AS IS" without warranty of any kind, either
16| expressed or implied.
17+--------------------------------------------------------------------------+
18| This code is based on:
19|   bspstart.c,v 1.8 1996/05/28 13:12:40 joel Exp - go32 BSP
20| With the following copyright notice:
21| **************************************************************************
22| *  COPYRIGHT (c) 1989-2008.
23| *  On-Line Applications Research Corporation (OAR).
24| *
25| *  The license and distribution terms for this file may be
26| *  found in the file LICENSE in this distribution or at
27| *  http://www.rtems.com/license/LICENSE.
28| **************************************************************************
29|
30|  $Id$
31+--------------------------------------------------------------------------*/
32
33#include <bsp.h>
34#include <bsp/irq.h>
35#include <rtems/pci.h>
36#include <libcpu/cpuModel.h>
37
38/*
39 *  External routines
40 */
41extern void Calibrate_loop_1ms(void);
42extern void rtems_irq_mngt_init(void);
43extern void bsp_size_memory(void);
44void Clock_driver_install_handler(void);
45
46/*-------------------------------------------------------------------------+
47|         Function: bsp_start
48|      Description: Called before main is invoked.
49| Global Variables: None.
50|        Arguments: None.
51|          Returns: Nothing.
52+--------------------------------------------------------------------------*/
53void bsp_start_default( void )
54{
55  int pci_init_retval;
56
57  /*
58   *  We need to determine how much memory there is in the system.
59   */
60  bsp_size_memory();
61
62  /*
63   * Calibrate variable for 1ms-loop (see timer.c)
64   */
65  Calibrate_loop_1ms();
66
67  /*
68   * Init rtems interrupt management
69   */
70  rtems_irq_mngt_init();
71
72  /*
73   * Init rtems exceptions management
74   */
75  rtems_exception_init_mngt();
76
77  /*
78   * init PCI Bios interface...
79   */
80  pci_init_retval = pci_initialize();
81  if (pci_init_retval != PCIB_ERR_SUCCESS) {
82      printk("PCI bus: could not initialize PCI BIOS interface\n");
83  }
84
85  Clock_driver_install_handler();
86
87  bsp_ide_cmdline_init();
88
89} /* bsp_start */
90
91/*
92 *  By making this a weak alias for bsp_start_default, a brave soul
93 *  can override the actual bsp_start routine used.
94 */
95
96void bsp_start (void) __attribute__ ((weak, alias("bsp_start_default")));
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