diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/arm/table_walker.cc | 54 | ||||
| -rw-r--r-- | src/arch/arm/table_walker.hh | 1 |
2 files changed, 15 insertions, 40 deletions
diff --git a/src/arch/arm/table_walker.cc b/src/arch/arm/table_walker.cc index 1f06d009a..82462ab33 100644 --- a/src/arch/arm/table_walker.cc +++ b/src/arch/arm/table_walker.cc @@ -65,8 +65,10 @@ TableWalker::TableWalker(const Params *p) pendingReqs(0), pendingChangeTick(curTick()), doL1DescEvent(this), doL2DescEvent(this), - doL0LongDescEvent(this), doL1LongDescEvent(this), doL2LongDescEvent(this), - doL3LongDescEvent(this), + doL0LongDescEvent(this), doL1LongDescEvent(this), + doL2LongDescEvent(this), doL3LongDescEvent(this), + LongDescEventByLevel { &doL0LongDescEvent, &doL1LongDescEvent, + &doL2LongDescEvent, &doL3LongDescEvent }, doProcessEvent(this) { sctlr = 0; @@ -138,7 +140,8 @@ void TableWalker::completeDrain() { if (drainState() == DrainState::Draining && - stateQueues[L1].empty() && stateQueues[L2].empty() && + stateQueues[L0].empty() && stateQueues[L1].empty() && + stateQueues[L2].empty() && stateQueues[L3].empty() && pendingQueue.empty()) { DPRINTF(Drain, "TableWalker done draining, processing drain event\n"); @@ -697,12 +700,10 @@ TableWalker::processWalkLPAE() currState->longDesc.aarch64 = false; currState->longDesc.grainSize = Grain4KB; - Event *event = start_lookup_level == L1 ? (Event *) &doL1LongDescEvent - : (Event *) &doL2LongDescEvent; - bool delayed = fetchDescriptor(desc_addr, (uint8_t*)&currState->longDesc.data, sizeof(uint64_t), flag, start_lookup_level, - event, &TableWalker::doLongDescriptor); + LongDescEventByLevel[start_lookup_level], + &TableWalker::doLongDescriptor); if (!delayed) { f = currState->fault; } @@ -967,32 +968,9 @@ TableWalker::processWalkAArch64() currState->longDesc.grainSize = tg; if (currState->timing) { - Event *event; - switch (start_lookup_level) { - case L0: - event = (Event *) &doL0LongDescEvent; - break; - case L1: - event = (Event *) &doL1LongDescEvent; - break; - case L2: - event = (Event *) &doL2LongDescEvent; - break; - case L3: - event = (Event *) &doL3LongDescEvent; - break; - default: - panic("Invalid table lookup level"); - break; - } - port->dmaAction(MemCmd::ReadReq, desc_addr, sizeof(uint64_t), - event, (uint8_t*) &currState->longDesc.data, - currState->tc->getCpuPtr()->clockPeriod(), flag); - DPRINTF(TLBVerbose, - "Adding to walker fifo: queue size before adding: %d\n", - stateQueues[start_lookup_level].size()); - stateQueues[start_lookup_level].push_back(currState); - currState = NULL; + fetchDescriptor(desc_addr, (uint8_t*) &currState->longDesc.data, + sizeof(uint64_t), flag, start_lookup_level, + LongDescEventByLevel[start_lookup_level], NULL); } else { fetchDescriptor(desc_addr, (uint8_t*)&currState->longDesc.data, sizeof(uint64_t), flag, -1, NULL, @@ -1672,19 +1650,15 @@ TableWalker::doLongDescriptor() if (currState->secureLookup) flag.set(Request::SECURE); - currState->longDesc.lookupLevel = + LookupLevel L = currState->longDesc.lookupLevel = (LookupLevel) (currState->longDesc.lookupLevel + 1); Event *event = NULL; - switch (currState->longDesc.lookupLevel) { + switch (L) { case L1: assert(currState->aarch64); - event = &doL1LongDescEvent; - break; case L2: - event = &doL2LongDescEvent; - break; case L3: - event = &doL3LongDescEvent; + event = LongDescEventByLevel[L]; break; default: panic("Wrong lookup level in table walk\n"); diff --git a/src/arch/arm/table_walker.hh b/src/arch/arm/table_walker.hh index fc628f714..c52cfcb4c 100644 --- a/src/arch/arm/table_walker.hh +++ b/src/arch/arm/table_walker.hh @@ -944,6 +944,7 @@ class TableWalker : public MemObject &TableWalker::doL3LongDescriptorWrapper> doL3LongDescEvent; void doLongDescriptorWrapper(LookupLevel curr_lookup_level); + Event* LongDescEventByLevel[4]; bool fetchDescriptor(Addr descAddr, uint8_t *data, int numBytes, Request::Flags flags, int queueIndex, Event *event, |