+ // Check all outstanding events to see if they are scheduled
+ // these are all mutually exclusive
+ Tick reschedule = 0;
+ Events_t event = None;
+
+ int eventCount = 0;
+
+ if (dmaTransferEvent.scheduled()) {
+ reschedule = dmaTransferEvent.when();
+ event = Transfer;
+ eventCount++;
+ }
+ if (dmaReadWaitEvent.scheduled()) {
+ reschedule = dmaReadWaitEvent.when();
+ event = ReadWait;
+ eventCount++;
+ }
+ if (dmaWriteWaitEvent.scheduled()) {
+ reschedule = dmaWriteWaitEvent.when();
+ event = WriteWait;
+ eventCount++;
+ }
+ if (dmaPrdReadEvent.scheduled()) {
+ reschedule = dmaPrdReadEvent.when();
+ event = PrdRead;
+ eventCount++;
+ }
+ if (dmaReadEvent.scheduled()) {
+ reschedule = dmaReadEvent.when();
+ event = DmaRead;
+ eventCount++;
+ }
+ if (dmaWriteEvent.scheduled()) {
+ reschedule = dmaWriteEvent.when();
+ event = DmaWrite;
+ eventCount++;
+ }
+
+ assert(eventCount <= 1);
+
+ SERIALIZE_SCALAR(reschedule);
+ SERIALIZE_ENUM(event);
+
+ // Serialize device registers
+ SERIALIZE_SCALAR(cmdReg.data0);
+ SERIALIZE_SCALAR(cmdReg.data1);
+ SERIALIZE_SCALAR(cmdReg.sec_count);
+ SERIALIZE_SCALAR(cmdReg.sec_num);
+ SERIALIZE_SCALAR(cmdReg.cyl_low);
+ SERIALIZE_SCALAR(cmdReg.cyl_high);
+ SERIALIZE_SCALAR(cmdReg.drive);
+ SERIALIZE_SCALAR(cmdReg.command);
+ SERIALIZE_SCALAR(status);
+ SERIALIZE_SCALAR(nIENBit);
+ SERIALIZE_SCALAR(devID);
+
+ // Serialize the PRD related information
+ SERIALIZE_SCALAR(curPrd.entry.baseAddr);
+ SERIALIZE_SCALAR(curPrd.entry.byteCount);
+ SERIALIZE_SCALAR(curPrd.entry.endOfTable);
+ SERIALIZE_SCALAR(curPrdAddr);
+
+ // Serialize current transfer related information
+ SERIALIZE_SCALAR(cmdBytesLeft);
+ SERIALIZE_SCALAR(cmdBytes);
+ SERIALIZE_SCALAR(drqBytesLeft);
+ SERIALIZE_SCALAR(curSector);
+ SERIALIZE_SCALAR(dmaRead);
+ SERIALIZE_SCALAR(dmaInterfaceBytes);
+ SERIALIZE_SCALAR(intrPending);
+ SERIALIZE_ENUM(devState);
+ SERIALIZE_ENUM(dmaState);
+ SERIALIZE_ARRAY(dataBuffer, MAX_DMA_SIZE);