source: SVN/cambria/redboot/packages/infra/current/src/startup.cxx @ 1

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1//========================================================================
2//
3//      startup.cxx
4//
5//      General startup code for the target machine
6//
7//========================================================================
8//####ECOSGPLCOPYRIGHTBEGIN####
9// -------------------------------------------
10// This file is part of eCos, the Embedded Configurable Operating System.
11// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
12//
13// eCos is free software; you can redistribute it and/or modify it under
14// the terms of the GNU General Public License as published by the Free
15// Software Foundation; either version 2 or (at your option) any later version.
16//
17// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18// WARRANTY; without even the implied warranty of MERCHANTABILITY or
19// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
20// for more details.
21//
22// You should have received a copy of the GNU General Public License along
23// with eCos; if not, write to the Free Software Foundation, Inc.,
24// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25//
26// As a special exception, if other files instantiate templates or use macros
27// or inline functions from this file, or you compile this file and link it
28// with other works to produce a work based on this file, this file does not
29// by itself cause the resulting work to be covered by the GNU General Public
30// License. However the source code for this file must still be made available
31// in accordance with section (3) of the GNU General Public License.
32//
33// This exception does not invalidate any other reasons why a work based on
34// this file might be covered by the GNU General Public License.
35//
36// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37// at http://sources.redhat.com/ecos/ecos-license/
38// -------------------------------------------
39//####ECOSGPLCOPYRIGHTEND####
40//========================================================================
41//#####DESCRIPTIONBEGIN####
42//
43// Author(s):     jlarmour
44// Contributors:  jlarmour
45// Date:          1999-01-21
46// Purpose:       This provides generic startup code for the eCos system.
47// Description:   We start the system with the entry point cyg_start()
48//                which is called from the eCos HALs. This in turn invokes
49//                cyg_prestart(), cyg_package_start() and cyg_user_start().
50//                All these can be overriden by the user.
51// Usage:         Override the defaults to use your own startup code,
52//                which will allow you to take complete control after the
53//                HAL initialization
54//
55//####DESCRIPTIONEND####
56//
57//========================================================================
58
59// CONFIGURATION
60
61#include <pkgconf/infra.h>   // Configuration header
62
63// INCLUDES
64
65#include <cyg/infra/cyg_type.h>    // Common type definitions and support
66#include <cyg/infra/cyg_trac.h>    // Default tracing support
67
68#ifdef CYGPKG_KERNEL
69# include <pkgconf/kernel.h>
70# include <cyg/kernel/sched.hxx>
71# include <cyg/kernel/sched.inl>
72#endif
73
74// FUNCTION PROTOTYPES
75
76externC void
77cyg_start( void ) CYGBLD_ATTRIB_WEAK;
78
79externC void
80cyg_prestart( void );
81
82externC void
83cyg_package_start( void );
84
85externC void
86cyg_user_start( void );
87
88
89// FUNCTIONS
90
91void
92cyg_start( void )
93{
94    CYG_REPORT_FUNCTION();
95    CYG_REPORT_FUNCARGVOID();
96
97    cyg_prestart();
98
99    cyg_package_start();
100
101    cyg_user_start();
102
103#ifdef CYGPKG_KERNEL
104    Cyg_Scheduler::start();
105#endif
106
107    CYG_REPORT_RETURN();
108} // cyg_start()
109
110// EOF startup.cxx
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