forked from Imagelibrary/rtems
8e0dcadec5
exceptions work on the pc386 BSP with i386-elf. This patch also included changes to the i386-rtemself egcs configuration.
123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
/*
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* A simple main which can be used on any embedded target.
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*
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* This style of initialization insures that the C++ global
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* constructors are executed after RTEMS is initialized.
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*
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* Thanks to Chris Johns <cjohns@plessey.com.au> for this idea.
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*
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* COPYRIGHT (c) 1989-1998.
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* On-Line Applications Research Corporation (OAR).
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* Copyright assigned to U.S. Government, 1994.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#include <bsp.h>
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char *rtems_progname;
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extern void bsp_start( void );
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extern void bsp_cleanup( void );
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extern rtems_configuration_table Configuration;
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extern rtems_configuration_table BSP_Configuration;
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extern rtems_cpu_table Cpu_table;
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#if defined(USE_INIT_FINI)
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extern void _fini( void );
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extern void _init( void );
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#endif
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rtems_interrupt_level bsp_isr_level;
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/*
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* Since there is a forward reference
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*/
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int main(int argc, char **argv);
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int boot_card(int argc, char **argv)
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{
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int status;
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/*
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* Set default values for the CPU Table fields all ports must have.
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* These values can be overridden in bsp_start() but they are
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* right most of the time.
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*/
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Cpu_table.pretasking_hook = NULL;
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Cpu_table.predriver_hook = NULL;
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Cpu_table.postdriver_hook = NULL;
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Cpu_table.idle_task = NULL;
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Cpu_table.do_zero_of_workspace = TRUE;
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Cpu_table.interrupt_stack_size = RTEMS_MINIMUM_STACK_SIZE;
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Cpu_table.extra_mpci_receive_server_stack = 0;
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Cpu_table.stack_allocate_hook = NULL;
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Cpu_table.stack_free_hook = NULL;
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/*
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* Copy the configuration table so we and the BSP wants to change it.
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*/
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BSP_Configuration = Configuration;
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/*
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* The atexit hook will be before the static destructor list's entry
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* point.
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*/
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bsp_start();
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/*
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* Initialize RTEMS but do NOT start multitasking.
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*/
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bsp_isr_level =
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rtems_initialize_executive_early( &BSP_Configuration, &Cpu_table );
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/*
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* Call main() and get the global constructors invoked if there
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* are any.
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*/
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#if defined(USE_INIT_FINI)
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atexit( _fini );
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_init();
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#endif
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status = main(argc, argv);
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/*
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* Perform any BSP specific shutdown actions.
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*/
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bsp_cleanup();
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/*
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* Now return to the start code.
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*/
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return status;
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}
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int main(int argc, char **argv)
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{
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if ((argc > 0) && argv && argv[0])
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rtems_progname = argv[0];
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else
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rtems_progname = "RTEMS";
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rtems_initialize_executive_late( bsp_isr_level );
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return 0;
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}
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