/* * COPYRIGHT (c) 1989-2011. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rtems.com/license/LICENSE. * * $Id$ */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #define CONFIGURE_INIT #include "system.h" #include void Loop() { volatile int i; for (i=0; i<500000; i++); } void PrintTaskInfo( const char *task_name ) { int cpu_num; cpu_num = bsp_smp_processor_id(); locked_printf(" CPU %d running task %s\n", cpu_num, task_name ); } rtems_task Init( rtems_task_argument argument ) { int i; char ch; rtems_id id; rtems_status_code status; bool allDone; Loop(); locked_print_initialize(); locked_printf( "\n\n*** SMP04 TEST ***\n" ); PrintTaskInfo( "Init" ); TaskRan[0] = true; for ( i=1; i <= rtems_smp_get_number_of_processors() ; i++ ) TaskRan[i] = false; for ( i=1; i < rtems_smp_get_number_of_processors() ; i++ ){ /* Create and start tasks for each CPU */ ch = '0' + i; locked_printf( "Create a TA%c a %s task\n", ch, ((i%2) ? "RTEMS_PREEMPT" : "RTEMS_NO_PREEMPT" ) ); status = rtems_task_create( rtems_build_name( 'T', 'A', ch, ' ' ), CONFIGURE_INIT_TASK_PRIORITY + (2*rtems_smp_get_number_of_processors()) - (2*i), RTEMS_MINIMUM_STACK_SIZE, ((i%2) ? RTEMS_PREEMPT : RTEMS_NO_PREEMPT), RTEMS_DEFAULT_ATTRIBUTES, &id ); } for ( i=1; i < rtems_smp_get_number_of_processors() ; i++ ){ status = rtems_task_start( id, Test_task, i ); /* Force a wait on the task to run in order to synchronize on * simulated systems. */ while (TaskRan[i] == false) ; } ch = '0' + rtems_smp_get_number_of_processors() ; status = rtems_task_create( rtems_build_name( 'T', 'A', ch, ' ' ), 3, RTEMS_MINIMUM_STACK_SIZE, RTEMS_PREEMPT, RTEMS_DEFAULT_ATTRIBUTES, &id ); status = rtems_task_start( id, Test_task, rtems_smp_get_number_of_processors() ); /* Wait on the all tasks to run */ while (1) { allDone = true; for ( i=1; i<=rtems_smp_get_number_of_processors() ; i++ ) { if (TaskRan[i] == false) allDone = false; } if (allDone) { Loop(); locked_printf( "*** END OF TEST SMP04 ***" ); rtems_test_exit( 0 ); } } }