/**
* Generate the OIL/C code for a processor
*
* @param processor L'AST du processeur.
*/
private void genCpu(ProcessSubcomponent ps) {
Cpu cpu = oil.getCpu();
Os os = cpu.getOs();
_mainHCode.addOutputNewline("#include \"kernel.h\"");
_mainHCode.addOutputNewline("#include \"kernel_id.h\"");
/* Generate code for threads process */
ProcessImplementation pi = (ProcessImplementation) ps.getComponentImplementation();
cpu.addAllDataSubcomponent(pi.getOwnedDataSubcomponents());
buildDataAccessMapping(pi, dataAccessMapping);
EList<ThreadSubcomponent> subcomponents = pi.getOwnedThreadSubcomponents();
_mainCCode.addOutputNewline("/*********** Tasks ***********/");
for (ThreadSubcomponent threadSubcomponent : subcomponents) {
genTask(ps, threadSubcomponent, COUNTER_NAME);
genCTask(ps, threadSubcomponent);
}
/* Generate code for OS */
/*
* If one data contains Concurrency_Control_Protocol at
* Priority_Ceiling STATUS => EXTENDED
*/
if (os.getStatus() == Status.STANDARD) {
ProcessImplementation processImpl = (ProcessImplementation) ps.getComponentImplementation();
EList<Subcomponent> subcmpts = processImpl.getAllSubcomponents();
for (Subcomponent s : subcmpts) {
if (s instanceof DataSubcomponent) {
String value = PropertyUtils.getEnumValue(s, "Concurrency_Control_Protocol");
if (value != null) {
if (value.equals("Priority_Ceiling")) {
os.setStatus(Status.EXTENDED);
break;
}
} else {
String errMsg = "cannot fetch Concurrency_Control_Protocol for \'" + s.getName() + '\'';
_LOGGER.error(errMsg);
ServiceProvider.SYS_ERR_REP.error(errMsg, true);
}
}
}
}
List<String> modeIdList = getProcessModesIdentifiers(ps);
cpu.setAppmode(modeIdList);
cpu.setName(ps.getName());
genOsConfig(ps);
}
/**
* Génération du code OIL d'un thread.
*
* @param ps Le processeur conteannt les threads.
* @param thread L'AST du thread.
* @param counterName Le nom du compteur sur lequel la tâche se synchronise
*/
private void genTask(ProcessSubcomponent ps, ThreadSubcomponent thread, String counterName) {
final Cpu cpu = oil.getCpu();
final Counter counter = cpu.getCounter();
final Os os = cpu.getOs();
/*
* If one thread/device contains Initialize_Entrypoint STARTUPHOOK =
* true
*/
if (os.getStartupHook() == false) {
if (PropertyUtils.findPropertyAssociation("Initialize_Entrypoint", thread) != null)
os.setStartupHook(true);
}
/*
* If one thread/device contains Finalize_Entrypoint SHUTDOWNHOOK = true
*/
if (os.getShutdownHook() == false) {
if (PropertyUtils.findPropertyAssociation("Finalize_Entrypoint", thread) != null)
os.setShutdownHook(true);
}
/* Begin task */
Task task = new Task();
Schedule schedule;
Long stackSize = PropertyUtils.getIntValue(thread, "Stack_Size");
Long priority = PropertyUtils.getIntValue(thread, "Priority");
if (priority == null) {
String errMsg = "cannot fetch Priority for \'" + thread.getName() + '\'';
_LOGGER.error(errMsg);
ServiceProvider.SYS_ERR_REP.error(errMsg, true);
priority = -1l;
}
if (stackSize == null) {
stackSize = THREAD_STACKSIZE;
String msg = "set default stack size for \'" + thread.getName() + '\'';
_LOGGER.warn(msg);
ServiceProvider.SYS_ERR_REP.warning(msg, true);
}
Boolean scheduler = PropertyUtils.getBooleanValue(ps, "Preemptive_Scheduler");
if (scheduler == null) {
schedule = Schedule.FULL;
String msg = "set default scheduler for \'" + thread.getName() + '\'';
_LOGGER.warn(msg);
ServiceProvider.SYS_ERR_REP.warning(msg, true);
} else {
if (scheduler) schedule = Schedule.FULL;
else schedule = Schedule.NON;
}
task.setName(thread.getName());
task.setPriority(priority.intValue());
task.setActivation(THREAD_ACTIVATION);
task.setSchedule(schedule);
task.setStacksize(stackSize.intValue());
ThreadImplementation ti = (ThreadImplementation) thread.getSubcomponentType();
ThreadType tt = (ThreadType) ti.getType();
for (DataAccess da : this.dataAccessMapping.keySet()) {
for (DataAccess tda : tt.getOwnedDataAccesses()) {
if (tda.equals(da)) {
task.addResource(this.dataAccessMapping.get(tda));
if (da.getDataFeatureClassifier().getName().equalsIgnoreCase(EVENTDATA_PORT_TYPE))
task.addEvent(this.dataAccessMapping.get(da));
}
}
}
/* End task */
/*
* Generate alarme associated to periodic tasks
*/
{
String dispatchProtocol = PropertyUtils.getEnumValue(thread, "Dispatch_Protocol");
if ("Periodic".equals(dispatchProtocol)) {
/* Begin Alarm */
Long period = PropertyUtils.getIntValue(thread, "Period");
if (period == null) {
String errMsg = "cannot fetch Period for " + thread.getName();
_LOGGER.error(errMsg);
ServiceProvider.SYS_ERR_REP.error(errMsg, true);
period = -1l;
}
int alarmTime = 0;
try {
alarmTime = 1;
} catch (Exception exc) {
}
List<String> inModeIdList = new ArrayList<String>();
ProcessImplementation pi = (ProcessImplementation) ps.getSubcomponentType();
if (pi.getOwnedModes().isEmpty()) inModeIdList.add(MAIN_APP_MODE);
else {
if (thread.getAllInModes().isEmpty()) {
for (Mode m : pi.getOwnedModes()) {
inModeIdList.add(m.getName());
}
} else {
for (Mode m : thread.getAllInModes()) {
inModeIdList.add(m.getName());
}
}
}
Alarm alarm = new Alarm(counter, task, cpu, inModeIdList);
alarm.setName("wakeUp" + thread.getName());
alarm.setAction(Action.ACTIVATETASK);
alarm.setAutostart(true);
alarm.setAlarmTime(alarmTime);
alarm.setCycleTime(period.intValue());
task.setAutostart(false);
cpu.addPeriodicTask(new PeriodicTask(task, alarm));
/* End Alarm */
} else {
task.setAutostart(true);
cpu.addTask(task);
}
}
}