diff packages/infra/current/src/startup.cxx @ 0:3111d98ba7b3 ecos-v1_1-release

Initial commit of eCos version 1.1
author jlarmour
date Tue, 11 May 1999 11:16:07 +0000
parents
children 443894e2e912
line wrap: on
line diff
new file mode 100644
--- /dev/null
+++ b/packages/infra/current/src/startup.cxx
@@ -0,0 +1,161 @@
+//========================================================================
+//
+//      startup.cxx
+//
+//      General startup code for the target machine
+//
+//========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     jlarmour@cygnus.co.uk
+// Contributors:  jlarmour@cygnus.co.uk
+// Date:          1998-08-25
+// Purpose:       This provides generic startup code for the eCos system.
+// Description:   We start the system with the entry point cyg_start()
+//                which is called from the eCos HALs. This in turn invokes
+//                cyg_prestart(), cyg_package_start() and cyg_user_start().
+//                All these can be overriden by the user.
+// Usage:         Override the defaults to use your own startup code,
+//                or leave it be and use the configuration options to set
+//                the appropriate compatibility environment e.g. uItron,
+//                ISO C, etc.
+//
+//####DESCRIPTIONEND####
+//
+//========================================================================
+
+// CONFIGURATION
+
+#include <pkgconf/infra.h>   // Configuration header
+
+// INCLUDES
+
+#include <cyg/infra/cyg_type.h>    // Common type definitions and support
+#include <cyg/infra/cyg_trac.h>    // Default tracing support
+
+#ifdef CYGSEM_START_ISO_C_COMPATIBILITY
+# include <sys/cstartup.h>
+#endif
+
+#ifdef CYGSEM_START_UITRON_COMPATIBILITY
+# include <cyg/compat/uitron/uit_func.h>
+#endif
+
+#ifdef CYGPKG_KERNEL
+# include <pkgconf/kernel.h>
+# include <cyg/kernel/sched.hxx>
+#endif
+
+// FUNCTION PROTOTYPES
+
+externC void
+cyg_start( void ) CYGBLD_ATTRIB_WEAK;
+
+externC void
+cyg_prestart( void ) CYGBLD_ATTRIB_WEAK;
+
+externC void
+cyg_package_start( void ) CYGBLD_ATTRIB_WEAK;
+
+externC void
+cyg_user_start( void ) CYGBLD_ATTRIB_WEAK;
+
+
+// FUNCTIONS
+
+void
+cyg_start( void )
+{
+    CYG_REPORT_FUNCTION();
+    CYG_REPORT_FUNCARGVOID();
+
+    cyg_prestart();
+
+    cyg_package_start();
+
+    cyg_user_start();
+
+#ifdef CYGPKG_KERNEL
+    Cyg_Scheduler::start();
+#endif
+
+    CYG_REPORT_RETURN();
+} // cyg_start()
+
+
+void
+cyg_prestart( void )
+{
+    CYG_REPORT_FUNCTION();
+    CYG_REPORT_FUNCARGVOID();
+
+    CYG_TRACE0( true, "This is the system default cyg_prestart()" );
+
+    CYG_EMPTY_STATEMENT; // don't let it complain about doing nothing
+
+    CYG_REPORT_RETURN();
+} // cyg_prestart()
+
+
+void
+cyg_package_start( void )
+{
+    CYG_REPORT_FUNCTION();
+    CYG_REPORT_FUNCARGVOID();
+
+    CYG_TRACE0( true, "This is the system default cyg_package_start()" );
+
+#ifdef CYGSEM_START_UITRON_COMPATIBILITY
+    cyg_uitron_start();
+#endif
+
+#ifdef CYGSEM_START_ISO_C_COMPATIBILITY
+    // This works even if the kernel is there, but if not, then it
+    // calls the user main() and doesn't return until it does!
+    cyg_iso_c_start();
+#endif
+
+    CYG_EMPTY_STATEMENT; // don't let it complain about doing nothing
+
+    CYG_REPORT_RETURN();
+} // cyg_package_start()
+
+
+
+void
+cyg_user_start( void )
+{
+    CYG_REPORT_FUNCTION();
+    CYG_REPORT_FUNCARGVOID();
+
+    CYG_TRACE0( true, "This is the system default cyg_user_start()" );
+
+    CYG_EMPTY_STATEMENT; // don't let it complain about doing nothing
+
+    CYG_REPORT_RETURN();
+} // cyg_user_start()
+
+
+// EOF startup.cxx