@Override
public void process(
ProcessSubcomponent process,
TargetProperties tarProp,
File runtimePath,
File outputDir,
IProgressMonitor monitor) {
// Generate main.h
genMainHeader();
// Generate main.c
genMainImpl(process);
close();
try {
FileUtils.saveFile(outputDir, "main.h", _mainHCode.getParseOutput());
FileUtils.saveFile(outputDir, "main.c", _mainCCode.getParseOutput());
FileUtils.saveFile(outputDir, process.getName() + ".oil", _oilCode.getParseOutput());
} catch (IOException e) {
String errMsg = "cannot save the generated files";
_LOGGER.fatal(errMsg, e);
throw new RuntimeException(errMsg, e);
}
}
/**
* 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);
}
@Override
protected void sendOutputVariableAccess(
ComponentInstance processInstance, UnparseText mainImplCode, ProcessProperties pp) {
for (GlobalQueueInfo gqi : pp.globalQueueInfo) {
mainImplCode.addOutputNewline("extern thread_queue_t " + gqi.id + ";");
}
}
/**
* Configuration de l'OS
*
* @param processSubcomponent
*/
private void genOsConfig(ProcessSubcomponent processSubcomponent) {
/* C Data declaration */
Os os = oil.getCpu().getOs();
os.setName("config");
os.setAppName(processSubcomponent.getName());
_mainCCode.addOutputNewline("/*********** Data ***********/");
ProcessImplementation pi =
(ProcessImplementation) processSubcomponent.getComponentImplementation();
for (DataSubcomponent ds : pi.getOwnedDataSubcomponents()) {
if (ds.getSubcomponentType().getName().equalsIgnoreCase(EVENTDATA_PORT_TYPE)
|| ds.getSubcomponentType().getName().equalsIgnoreCase(DATA_PORT_TYPE)) {
_mainHCode.addOutputNewline("DeclareResource(" + ds.getName() + "_rez);");
// _mainHCode.addOutputNewline("extern const ResourceType "+ds.getName()+"_rez;");
}
if (ds.getSubcomponentType().getName().equalsIgnoreCase(EVENTDATA_PORT_TYPE)) {
_mainHCode.addOutputNewline("DeclareEvent(" + ds.getName() + "_evt);");
// _mainHCode.addOutputNewline("extern const EventMaskType "+ds.getName()+"_evt;");
}
}
_mainCCode.addOutputNewline("");
}
private void genMainImpl(ProcessSubcomponent process) {
_mainCCode.addOutputNewline("#include \"main.h\"");
genCpu(process);
StringBuilder sb = new StringBuilder(process.getQualifiedName());
ProcessProperties pp = new ProcessProperties(sb.substring(0, sb.lastIndexOf("::") + 2));
ProcessImplementation processImpl =
(ProcessImplementation) process.getComponentImplementation();
this.findCommunicationMechanism(processImpl, pp);
ComponentInstance processInstance =
(ComponentInstance) HookAccessImpl.getTransformationTrace(process);
genSendOutputImpl(processInstance, _mainCCode, _mainHCode, pp);
}
@Override
protected void sendOutputPrologue(
ComponentInstance processInstance, UnparseText mainImplCode, ProcessProperties pp) {
mainImplCode.addOutputNewline("StatusType ret;");
}
@Override
protected void sendOutputBuffer(UnparseText mainImplCode, QueueInfo info) {
mainImplCode.addOutputNewline(
"ret = SendOutput_runtime(&" + info.gQueue.id + ", " + info.threadPortId + ", value);");
}
private void genMainHeader() {
String guard = GenerationUtilsC.generateHeaderInclusionGuard("main.h");
_mainHCode.addOutputNewline(guard);
}
private void genCTask(ProcessSubcomponent ps, ThreadSubcomponent thread) {
String threadName = thread.getComponentImplementation().getQualifiedName();
threadName = GenerationUtilsC.getGenerationCIdentifier(threadName);
_mainCCode.addOutputNewline("/*** Task " + threadName + " ***/");
_mainCCode.addOutputNewline("extern void *" + threadName + "_Job(void);");
_mainCCode.addOutputNewline("");
_mainHCode.addOutputNewline("DeclareTask(" + thread.getName() + ");");
_mainCCode.addOutputNewline("");
_mainCCode.addOutputNewline("TASK(" + thread.getName() + ")");
_mainCCode.addOutputNewline("{");
_mainCCode.incrementIndent();
_mainCCode.addOutputNewline(threadName + "_Job();");
_mainCCode.decrementIndent();
_mainCCode.addOutputNewline("}");
_mainCCode.addOutputNewline("");
}
/** Méthode appelée après le parcours de l'AST via les methodes process. */
public void close() {
String msg = "Hooks generation";
_LOGGER.trace(msg);
_mainCCode.addOutputNewline("void StartupHook(void)");
_mainCCode.addOutputNewline("{");
_mainCCode.incrementIndent();
for (Subprogram subprogram : _startupHook.getCalls()) {
_mainCCode.addOutput(subprogram.getName());
_mainCCode.addOutput("(");
for (String parameter : subprogram.getParameters()) _mainCCode.addOutput(parameter);
_mainCCode.addOutputNewline(");");
}
_mainCCode.decrementIndent();
_mainCCode.addOutputNewline("}");
_mainCCode.addOutputNewline("");
_mainCCode.addOutputNewline("void ShutdownHook(StatusType ercd)");
_mainCCode.addOutputNewline("{");
_mainCCode.incrementIndent();
for (Subprogram subprogram : _shutdownHook.getCalls()) {
_mainCCode.addOutput(subprogram.getName());
_mainCCode.addOutput("(");
for (String parameter : subprogram.getParameters()) _mainCCode.addOutput(parameter);
_mainCCode.addOutputNewline(");");
}
_mainCCode.decrementIndent();
_mainCCode.addOutputNewline("}");
_mainCCode.addOutputNewline("");
_mainHCode.addOutputNewline("DeclareCounter(" + oil.getCpu().getCounter().getName() + ");");
_mainCCode.addOutputNewline("");
/* LEJOS OSEK hook to be invoked from an ISR in category 2 */
_mainCCode.addOutputNewline("void user_1ms_isr_type2(void)");
_mainCCode.addOutputNewline("{");
_mainCCode.incrementIndent();
_mainCCode.addOutputNewline("StatusType ercd;");
_mainCCode.addOutputNewline(
"ercd = SignalCounter("
+ oil.getCpu().getCounter().getName()
+ "); /* Increment OSEK Alarm Counter */");
_mainCCode.addOutputNewline("if(ercd != E_OK)");
_mainCCode.addOutputNewline("{");
_mainCCode.incrementIndent();
_mainCCode.addOutputNewline("ShutdownOS(ercd);");
_mainCCode.addOutputNewline("}");
_mainCCode.incrementIndent();
_mainCCode.addOutputNewline("}");
_mainCCode.incrementIndent();
// Generate OIL
oil.generateOil(_oilCode);
_mainHCode.addOutputNewline("#include \"gtypes.h\"");
_mainHCode.addOutputNewline("#endif");
}