int BootSequenceStepRun::executeAux(ExecutionState &state)
{
SystemState &sys = state.sys;
BreakpointManager &BM = state.breakpointManager;
SyscallHandler &SH = state.syscallHandler;
SH.setDoneSyscallsRequired(numDoneSyscalls);
StopReason stopReason = sys.run();
while (stopReason.getType() == StopReason::BREAKPOINT) {
Thread *thread = stopReason.getThread();
Core &core = thread->getParent();
uint32_t address = thread->getRealPc();
int retval;
switch (BM.getBreakpointType(core, address)) {
case BreakpointType::Exception:
SH.doException(*thread);
return thread->regs[Register::ET];
case BreakpointType::Syscall:
switch (SH.doSyscall(*thread, retval)) {
case SyscallHandler::EXIT:
return retval;
case SyscallHandler::CONTINUE:
thread->setPcFromAddress(thread->regs[Register::LR]);
break;
}
break;
case BreakpointType::Other:
assert(0 && "Unexpected breakpoint type");
break;
}
stopReason = sys.run();
}
switch (stopReason.getType()) {
default: assert(0 && "Unexpected stop reason");
case StopReason::NO_RUNNABLE_THREADS:
case StopReason::TIMEOUT:
return 1;
case StopReason::EXIT:
return stopReason.getStatus();
}
}
StopReason::Type SystemStateWrapper::run(ticks_t numCycles) {
if (numCycles == 0) {
system->clearTimeout();
} else {
system->setTimeout(lastStopTime + numCycles);
}
StopReason stopReason = system->run();
lastStopTime = stopReason.getTime();
switch (stopReason.getType()) {
default:
break;
case StopReason::BREAKPOINT:
lastBreakpointThread = stopReason.getThread();
break;
case StopReason::EXIT:
lastExitStatus = stopReason.getStatus();
break;
}
return stopReason.getType();
}
