io_device.cc (8799:dac1e33e07b0) io_device.cc (8832:247fee427324)
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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111 ranges.push_back(RangeSize(pioAddr, pioSize));
112 return ranges;
113}
114
115
116DmaPort::DmaPort(MemObject *dev, System *s, Tick min_backoff, Tick max_backoff,
117 bool recv_snoops)
118 : Port(dev->name() + "-dmaport", dev), device(dev), sys(s),
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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111 ranges.push_back(RangeSize(pioAddr, pioSize));
112 return ranges;
113}
114
115
116DmaPort::DmaPort(MemObject *dev, System *s, Tick min_backoff, Tick max_backoff,
117 bool recv_snoops)
118 : Port(dev->name() + "-dmaport", dev), device(dev), sys(s),
119 masterId(s->getMasterId(dev->name())),
119 pendingCount(0), actionInProgress(0), drainEvent(NULL),
120 backoffTime(0), minBackoffDelay(min_backoff),
121 maxBackoffDelay(max_backoff), inRetry(false), recvSnoops(recv_snoops),
122 backoffEvent(this)
123{ }
124
125bool
126DmaPort::recvTiming(PacketPtr pkt)

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182
183 return true;
184}
185
186DmaDevice::DmaDevice(const Params *p)
187 : PioDevice(p), dmaPort(NULL)
188{ }
189
120 pendingCount(0), actionInProgress(0), drainEvent(NULL),
121 backoffTime(0), minBackoffDelay(min_backoff),
122 maxBackoffDelay(max_backoff), inRetry(false), recvSnoops(recv_snoops),
123 backoffEvent(this)
124{ }
125
126bool
127DmaPort::recvTiming(PacketPtr pkt)

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183
184 return true;
185}
186
187DmaDevice::DmaDevice(const Params *p)
188 : PioDevice(p), dmaPort(NULL)
189{ }
190
190
191unsigned int
192DmaDevice::drain(Event *de)
193{
194 unsigned int count;
195 count = pioPort->drain(de) + dmaPort->drain(de);
196 if (count)
197 changeState(Draining);
198 else

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249
250 DmaReqState *reqState = new DmaReqState(event, this, size, delay);
251
252
253 DPRINTF(DMA, "Starting DMA for addr: %#x size: %d sched: %d\n", addr, size,
254 event ? event->scheduled() : -1 );
255 for (ChunkGenerator gen(addr, size, peerBlockSize());
256 !gen.done(); gen.next()) {
191unsigned int
192DmaDevice::drain(Event *de)
193{
194 unsigned int count;
195 count = pioPort->drain(de) + dmaPort->drain(de);
196 if (count)
197 changeState(Draining);
198 else

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249
250 DmaReqState *reqState = new DmaReqState(event, this, size, delay);
251
252
253 DPRINTF(DMA, "Starting DMA for addr: %#x size: %d sched: %d\n", addr, size,
254 event ? event->scheduled() : -1 );
255 for (ChunkGenerator gen(addr, size, peerBlockSize());
256 !gen.done(); gen.next()) {
257 Request *req = new Request(gen.addr(), gen.size(), flag);
257 Request *req = new Request(gen.addr(), gen.size(), flag, masterId);
258 PacketPtr pkt = new Packet(req, cmd, Packet::Broadcast);
259
260 // Increment the data pointer on a write
261 if (data)
262 pkt->dataStatic(data + gen.complete());
263
264 pkt->senderState = reqState;
265

--- 118 unchanged lines hidden --- 		258 PacketPtr pkt = new Packet(req, cmd, Packet::Broadcast);
259
260 // Increment the data pointer on a write
261 if (data)
262 pkt->dataStatic(data + gen.complete());
263
264 pkt->senderState = reqState;
265

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