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/*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may be found in
* the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <bsp.h>
#include <assert.h>
#include <pthread.h>
#include <stdlib.h>
extern rtems_configuration_table BSP_Configuration;
#ifdef GNAT_PID
#include <unistd.h>
pid_t getpid()
{
return GNAT_PID;
}
#endif
/*
* By having the POSIX_Init thread create a second thread just
* to invoke gnat_main, we can override all default attributes
* of the "Ada environment task". Otherwise, we would be
* stuck with the defaults set by RTEMS.
*/
void *start_gnat_main( void * argument )
{
extern int gnat_main ( int argc, char **argv, char **envp );
printk( "Transferring to Ada\n" );
(void) gnat_main ( 0, 0, 0 );
exit( 0 );
return 0;
}
extern size_t _ada_pthread_minimum_stack_size();
void *POSIX_Init( void *argument )
{
pthread_t thread_id;
pthread_attr_t attr;
size_t stacksize = _ada_pthread_minimum_stack_size();
int status;
printk( "Starting Posix Init thread\n" );
status = pthread_attr_init( &attr );
assert( !status );
#define GNAT_MAIN_STACKSPACE 100
#ifdef GNAT_MAIN_STACKSPACE
stacksize = GNAT_MAIN_STACKSPACE * 1024;
#else
#define GNAT_MAIN_STACKSPACE 0
#endif
status = pthread_attr_setstacksize( &attr, stacksize );
assert( !status );
status = pthread_create( &thread_id, &attr, start_gnat_main, NULL );
assert( !status );
printk( "Exiting Posix Init thread\n" );
pthread_exit( 0 );
return 0;
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MICROSECONDS_PER_TICK RTEMS_MILLISECONDS_TO_MICROSECONDS(1)
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
#define CONFIGURE_MAXIMUM_SEMAPHORES 10
#define CONFIGURE_GNAT_RTEMS
#define CONFIGURE_MAXIMUM_ADA_TASKS 20
#define CONFIGURE_MAXIMUM_FAKE_ADA_TASKS 0
#define CONFIGURE_MEMORY_OVERHEAD (GNAT_MAIN_STACKSPACE)
/*
#define CONFIGURE_MEMORY_OVERHEAD (256 + GNAT_MAIN_STACKSPACE)
*/
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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