static inline void _Thread_Create_idle_helper(
uint32_t name_u32,
int cpu
)
{
Objects_Name name;
Thread_Control *idle;
name.name_u32 = name_u32;
/*
* The entire workspace is zeroed during its initialization. Thus, all
* fields not explicitly assigned were explicitly zeroed by
* _Workspace_Initialization.
*/
idle = _Thread_Internal_allocate();
/*
* This is only called during initialization and we better be sure
* that when _Thread_Initialize unnests dispatch that we do not
* do anything stupid.
*/
_Thread_Disable_dispatch();
_Thread_Initialize(
&_Thread_Internal_information,
idle,
NULL, /* allocate the stack */
_Stack_Ensure_minimum( Configuration.idle_task_stack_size ),
CPU_IDLE_TASK_IS_FP,
PRIORITY_MAXIMUM,
true, /* preemptable */
THREAD_CPU_BUDGET_ALGORITHM_NONE,
NULL, /* no budget algorithm callout */
0, /* all interrupts enabled */
name
);
_Thread_Unnest_dispatch();
/*
* WARNING!!! This is necessary to "kick" start the system and
* MUST be done before _Thread_Start is invoked.
*/
_Per_CPU_Information[ cpu ].idle =
_Per_CPU_Information[ cpu ].heir =
_Per_CPU_Information[ cpu ].executing = idle;
_Thread_Start(
idle,
THREAD_START_NUMERIC,
Configuration.idle_task,
NULL,
0
);
}
static void _Thread_Create_idle_for_cpu( Per_CPU_Control *cpu )
{
Objects_Name name;
Thread_Control *idle;
const Scheduler_Control *scheduler;
name.name_u32 = _Objects_Build_name( 'I', 'D', 'L', 'E' );
/*
* The entire workspace is zeroed during its initialization. Thus, all
* fields not explicitly assigned were explicitly zeroed by
* _Workspace_Initialization.
*/
idle = _Thread_Internal_allocate();
_Thread_Initialize(
&_Thread_Internal_information,
idle,
_Scheduler_Get_by_CPU( cpu ),
NULL, /* allocate the stack */
_Stack_Ensure_minimum( rtems_configuration_get_idle_task_stack_size() ),
CPU_IDLE_TASK_IS_FP,
PRIORITY_MAXIMUM,
true, /* preemptable */
THREAD_CPU_BUDGET_ALGORITHM_NONE,
NULL, /* no budget algorithm callout */
0, /* all interrupts enabled */
name
);
/*
* WARNING!!! This is necessary to "kick" start the system and
* MUST be done before _Thread_Start is invoked.
*/
cpu->heir =
cpu->executing = idle;
idle->Start.Entry.adaptor = _Thread_Entry_adaptor_idle;
idle->Start.Entry.Kinds.Idle.entry = rtems_configuration_get_idle_task();
_Thread_Load_environment( idle );
scheduler = _Scheduler_Get_by_CPU( cpu );
#if defined(RTEMS_SMP)
if (scheduler == NULL) {
return;
}
#endif
idle->current_state = STATES_READY;
_Scheduler_Start_idle( scheduler, idle, cpu );
_User_extensions_Thread_start( idle );
}
void _MPCI_Create_server( void )
{
Objects_Name name;
if ( !_System_state_Is_multiprocessing )
return;
/*
* Initialize the MPCI Receive Server
*/
_MPCI_Receive_server_tcb = _Thread_Internal_allocate();
name.name_u32 = _Objects_Build_name( 'M', 'P', 'C', 'I' );
_Thread_Initialize(
&_Thread_Internal_information,
_MPCI_Receive_server_tcb,
NULL, /* allocate the stack */
_Stack_Minimum() +
CPU_MPCI_RECEIVE_SERVER_EXTRA_STACK +
_Configuration_MP_table->extra_mpci_receive_server_stack,
CPU_ALL_TASKS_ARE_FP,
PRIORITY_MINIMUM,
false, /* no preempt */
THREAD_CPU_BUDGET_ALGORITHM_NONE,
NULL, /* no budget algorithm callout */
0, /* all interrupts enabled */
name
);
_Thread_Start(
_MPCI_Receive_server_tcb,
THREAD_START_NUMERIC,
(void *) _MPCI_Receive_server,
NULL,
0,
NULL
);
}
