MachineState.icc

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/*
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/**
 * @file MachineState.icc
 *
 * Inline definitions of MachineState class.
 *
 * @author Pekka Jääskeläinen 2005 (pjaaskel-no.spam-cs.tut.fi)
 * @note rating: red
 */
 
#include "FUState.hh"
#include "GCUState.hh"
#include "BusState.hh"
#include "GuardState.hh"
#include "LongImmediateUnitState.hh"
 
/**
 * Returns the number of FUStates.
 *
 * @return The number of FUStates.
 */
inline int
MachineState::FUStateCount() const {
    return FUStates_.size();
}
 
/**
 * Advances the clocks of all FUStates.
 *
 * Skips idle FUs.
 */
inline void 
MachineState::advanceClockOfAllFUStates() {
    const size_t count = fuCache_.size();    
    for (size_t i = 0; i < count; ++i) {
        FUState* fu = fuCache_[i];
        if (fu->isIdle()) {
            continue;
        }
        fu->advanceClock();
    }
}
 
/**
 * Advances the clocks of all LongImmediateUnitStates.
 *
 */
inline void 
MachineState::advanceClockOfAllLongImmediateUnitStates() {
    const size_t count = longImmediateCache_.size(); 
    for (size_t i = 0; i < count; ++i) {
        LongImmediateUnitState* unit = longImmediateCache_[i];
        unit->advanceClock();
    }
}
 
 
/**
 * Ends the clocks of all FUStates.
 *
 * Skips idle FUs.
 */
inline void 
MachineState::endClockOfAllFUStates() {
    const size_t count = fuCache_.size(); 
    for (size_t i = 0; i < count; ++i) {
        FUState* fu = fuCache_[i];
        if (fu->isIdle()) {
            continue;
        }
        fu->endClock();
    }
}
 
/**
 * Resets the state of all FUs and the GCU.
 */
inline void 
MachineState::resetAllFUs() {
    const size_t count = fuCache_.size(); 
    for (size_t i = 0; i < count; ++i) {
        FUState* fu = fuCache_[i];
        fu->reset();
    }
    gcuState().reset();
}
 
 
/**
 * Advances the clocks of all GuardStates.
 */
inline void 
MachineState::advanceClockOfAllGuardStates() {
    const size_t count = guardCache_.size();
    for (size_t i = 0; i < count; ++i) {
        GuardState* guard = guardCache_[i];
        guard->advanceClock();
    }
}
 
/**
 * Clears all the buses by setting their value to zero.
 */
inline void 
MachineState::clearBuses() {
    const size_t count = busCache_.size();
    for (size_t i = 0; i < count; ++i) {
        BusState* bus = busCache_[i];
        bus->clear();
    }
}