*/
+#include <limits>
+
#include "base/misc.hh"
#include "base/trace.hh"
#include "mem/bus.hh"
}
// if_name ignored? forced to be empty?
- int id = interfaces.size();
+ int id = maxId++;
+ assert(maxId < std::numeric_limits<typeof(maxId)>::max());
BusPort *bp = new BusPort(csprintf("%s-p%d", name(), id), this, id);
- interfaces.push_back(bp);
+ interfaces[id] = bp;
return bp;
}
+void
+Bus::deletePortRefs(Port *p)
+{
+ BusPort *bp = dynamic_cast<BusPort*>(p);
+ if (bp == NULL)
+ panic("Couldn't convert Port* to BusPort*\n");
+ interfaces.erase(bp->getId());
+}
+
/** Get the ranges of anyone other buses that we are connected to. */
void
Bus::init()
{
- std::vector<BusPort*>::iterator intIter;
+ m5::hash_map<short,BusPort*>::iterator intIter;
for (intIter = interfaces.begin(); intIter != interfaces.end(); intIter++)
- (*intIter)->sendStatusChange(Port::RangeChange);
+ intIter->second->sendStatusChange(Port::RangeChange);
}
Bus::BusFreeEvent::BusFreeEvent(Bus *_bus) : Event(&mainEventQueue), bus(_bus)
}
} else {
//Snoop didn't succeed
- DPRINTF(Bus, "Adding a retry to RETRY list %i\n", pktPort);
+ DPRINTF(Bus, "Adding a retry to RETRY list %d\n",
+ pktPort->getId());
addToRetryList(pktPort);
return false;
}
} else {
- assert(dest >= 0 && dest < interfaces.size());
+ assert(dest >= 0 && dest < maxId);
assert(dest != pkt->getSrc()); // catch infinite loops
port = interfaces[dest];
}
// Packet was successfully sent. Return true.
// Also take care of retries
if (inRetry) {
- DPRINTF(Bus, "Remove retry from list %i\n", retryList.front());
+ DPRINTF(Bus, "Remove retry from list %d\n",
+ retryList.front()->getId());
retryList.front()->onRetryList(false);
retryList.pop_front();
inRetry = false;
}
// Packet not successfully sent. Leave or put it on the retry list.
- DPRINTF(Bus, "Adding a retry to RETRY list %i\n", pktPort);
+ DPRINTF(Bus, "Adding a retry to RETRY list %d\n",
+ pktPort->getId());
addToRetryList(pktPort);
return false;
}
{
/* An interval tree would be a better way to do this. --ali. */
int dest_id = -1;
- int i = 0;
- bool found = false;
AddrRangeIter iter;
+ range_map<Addr,int>::iterator i;
- while (i < portList.size() && !found)
- {
- if (portList[i].range == addr) {
- dest_id = portList[i].portId;
- found = true;
- DPRINTF(Bus, " found addr %#llx on device %d\n", addr, dest_id);
- }
- i++;
- }
+ i = portMap.find(RangeSize(addr,1));
+ if (i != portMap.end())
+ dest_id = i->second;
// Check if this matches the default range
if (dest_id == -1) {
{
AddrRangeList ranges;
AddrRangeList snoops;
- int x;
AddrRangeIter iter;
assert(status == Port::RangeChange &&
}
} else {
- assert((id < interfaces.size() && id >= 0) || id == defaultId);
+ assert((id < maxId && id >= 0) || id == defaultId);
Port *port = interfaces[id];
- std::vector<DevMap>::iterator portIter;
+ range_map<Addr,int>::iterator portIter;
std::vector<DevMap>::iterator snoopIter;
// Clean out any previously existent ids
- for (portIter = portList.begin(); portIter != portList.end(); ) {
- if (portIter->portId == id)
- portIter = portList.erase(portIter);
+ for (portIter = portMap.begin(); portIter != portMap.end(); ) {
+ if (portIter->second == id)
+ portMap.erase(portIter++);
else
portIter++;
}
}
for(iter = ranges.begin(); iter != ranges.end(); iter++) {
- DevMap dm;
- dm.portId = id;
- dm.range = *iter;
-
DPRINTF(BusAddrRanges, "Adding range %#llx - %#llx for id %d\n",
- dm.range.start, dm.range.end, id);
- portList.push_back(dm);
+ iter->start, iter->end, id);
+ if (portMap.insert(*iter, id) == portMap.end())
+ panic("Two devices with same range\n");
+
}
}
- DPRINTF(MMU, "port list has %d entries\n", portList.size());
+ DPRINTF(MMU, "port list has %d entries\n", portMap.size());
// tell all our peers that our address range has changed.
// Don't tell the device that caused this change, it already knows
- for (x = 0; x < interfaces.size(); x++)
- if (x != id)
- interfaces[x]->sendStatusChange(Port::RangeChange);
+ m5::hash_map<short,BusPort*>::iterator intIter;
+
+ for (intIter = interfaces.begin(); intIter != interfaces.end(); intIter++)
+ if (intIter->first != id)
+ intIter->second->sendStatusChange(Port::RangeChange);
if (id != defaultId && defaultPort)
defaultPort->sendStatusChange(Port::RangeChange);
void
Bus::addressRanges(AddrRangeList &resp, AddrRangeList &snoop, int id)
{
- std::vector<DevMap>::iterator portIter;
+ std::vector<DevMap>::iterator snoopIter;
+ range_map<Addr,int>::iterator portIter;
AddrRangeIter dflt_iter;
bool subset;
DPRINTF(BusAddrRanges, " -- Dflt: %#llx : %#llx\n",dflt_iter->start,
dflt_iter->end);
}
- for (portIter = portList.begin(); portIter != portList.end(); portIter++) {
+ for (portIter = portMap.begin(); portIter != portMap.end(); portIter++) {
subset = false;
for (dflt_iter = defaultRange.begin(); dflt_iter != defaultRange.end();
dflt_iter++) {
- if ((portIter->range.start < dflt_iter->start &&
- portIter->range.end >= dflt_iter->start) ||
- (portIter->range.start < dflt_iter->end &&
- portIter->range.end >= dflt_iter->end))
+ if ((portIter->first.start < dflt_iter->start &&
+ portIter->first.end >= dflt_iter->start) ||
+ (portIter->first.start < dflt_iter->end &&
+ portIter->first.end >= dflt_iter->end))
fatal("Devices can not set ranges that itersect the default set\
but are not a subset of the default set.\n");
- if (portIter->range.start >= dflt_iter->start &&
- portIter->range.end <= dflt_iter->end) {
+ if (portIter->first.start >= dflt_iter->start &&
+ portIter->first.end <= dflt_iter->end) {
subset = true;
DPRINTF(BusAddrRanges, " -- %#llx : %#llx is a SUBSET\n",
- portIter->range.start, portIter->range.end);
+ portIter->first.start, portIter->first.end);
}
}
- if (portIter->portId != id && !subset) {
- resp.push_back(portIter->range);
+ if (portIter->second != id && !subset) {
+ resp.push_back(portIter->first);
DPRINTF(BusAddrRanges, " -- %#llx : %#llx\n",
- portIter->range.start, portIter->range.end);
+ portIter->first.start, portIter->first.end);
}
}
- for (portIter = portSnoopList.begin();
- portIter != portSnoopList.end(); portIter++)
+ for (snoopIter = portSnoopList.begin();
+ snoopIter != portSnoopList.end(); snoopIter++)
{
- if (portIter->portId != id) {
- snoop.push_back(portIter->range);
+ if (snoopIter->portId != id) {
+ snoop.push_back(snoopIter->range);
DPRINTF(BusAddrRanges, " -- Snoop: %#llx : %#llx\n",
- portIter->range.start, portIter->range.end);
+ snoopIter->range.start, snoopIter->range.end);
//@todo We need to properly insert snoop ranges
//not overlapping the ranges (multiple)
}
projects / gem5.git / blobdiff