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annotate packages/infra/current/src/pkgstart.cxx @ 64:c38311975d4f ecos-sw-2000-01-28

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Merge from eCos master repository on 2000-01-28-04:28:11-GMT
author jlarmour
date Fri, 28 Jan 2000 04:59:39 +0000
parents 443894e2e912
children bf00f99aec69
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1 //========================================================================
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2 //
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3 // pkgstart.cxx
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4 //
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5 // General startup code for the target machine
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6 //
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7 //========================================================================
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8 //####COPYRIGHTBEGIN####
64
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.0 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://sourceware.cygnus.com/ecos
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15 //
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16 // Software distributed under the License is distributed on an
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
2
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30 //####COPYRIGHTEND####
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31 //========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): jlarmour
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35 // Contributors: jlarmour
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36 // Date: 1999-01-21
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37 // Purpose: This provides generic startup code for the eCos system.
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38 // Description: We start the system with the entry point cyg_start()
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39 // which is called from the eCos HALs. This in turn invokes
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40 // cyg_prestart(), cyg_package_start() and cyg_user_start().
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41 // All these can be overriden by the user.
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42 // Usage: Override the defaults to use your own startup code.
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43 // cyg_package_start() is used to call into individual
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44 // packages' startup code. Alternatively leave it be and
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45 // use the configuration options to set the appropriate
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46 // compatibility environment e.g. uItron, ISO C, etc.
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47 // This may be automatically generated in the future.
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48 //
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49 //####DESCRIPTIONEND####
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50 //
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51 //========================================================================
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52
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53 // CONFIGURATION
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54
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55 #include <pkgconf/infra.h> // Configuration header
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56
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57 // INCLUDES
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58
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59 #include <cyg/infra/cyg_type.h> // Common type definitions and support
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60 #include <cyg/infra/cyg_trac.h> // Default tracing support
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61
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62 #ifdef CYGSEM_START_ISO_C_COMPATIBILITY
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63 # include <sys/cstartup.h>
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64 #endif
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65
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66 #ifdef CYGSEM_START_UITRON_COMPATIBILITY
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67 # include <cyg/compat/uitron/uit_func.h>
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68 #endif
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69
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70 // FUNCTION PROTOTYPES
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71
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72 externC void
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73 cyg_package_start( void ) CYGBLD_ATTRIB_WEAK;
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74
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75 // FUNCTIONS
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76
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77 void
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78 cyg_package_start( void )
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79 {
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80 CYG_REPORT_FUNCTION();
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81 CYG_REPORT_FUNCARGVOID();
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82
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83 CYG_TRACE0( true, "This is the system default cyg_package_start()" );
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84
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85 #ifdef CYGSEM_START_UITRON_COMPATIBILITY
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86 cyg_uitron_start();
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87 #endif
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88
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89 #ifdef CYGSEM_START_ISO_C_COMPATIBILITY
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90 // This works even if the kernel is there, but if not, then it
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91 // calls the user main() and doesn't return until it does!
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92 cyg_iso_c_start();
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93 #endif
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94
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95 CYG_EMPTY_STATEMENT; // don't let it complain about doing nothing
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96
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97 CYG_REPORT_RETURN();
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98 } // cyg_package_start()
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99
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100 // EOF pkgstart.cxx