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-rw-r--r--dev/ns_gige.cc73
1 files changed, 40 insertions, 33 deletions
diff --git a/dev/ns_gige.cc b/dev/ns_gige.cc
index 331966f9c..22c0ba35d 100644
--- a/dev/ns_gige.cc
+++ b/dev/ns_gige.cc
@@ -49,6 +49,7 @@
#include "mem/functional_mem/memory_control.hh"
#include "mem/functional_mem/physical_memory.hh"
#include "sim/builder.hh"
+#include "sim/debug.hh"
#include "sim/host.hh"
#include "sim/sim_stats.hh"
#include "targetarch/vtophys.hh"
@@ -546,7 +547,7 @@ NSGigE::read(MemReqPtr &req, uint8_t *data)
break;
default:
- panic("reading unimplemented register: addr = %#x", daddr);
+ panic("reading unimplemented register: addr=%#x", daddr);
}
DPRINTF(EthernetPIO, "read from %#x: data=%d data=%#x\n",
@@ -1049,18 +1050,19 @@ NSGigE::devIntrClear(uint32_t interrupts)
if (interrupts & ISR_RXOK)
regs.isr &= ~ISR_RXOK;
- if (!(regs.isr & regs.imr))
- cpuIntrClear();
-
DPRINTF(EthernetIntr,
"interrupt cleared from ISR: intr=%x isr=%x imr=%x\n",
interrupts, regs.isr, regs.imr);
+
+ if (!(regs.isr & regs.imr))
+ cpuIntrClear();
}
void
NSGigE::devIntrChangeMask()
{
- DPRINTF(EthernetIntr, "interrupt mask changed\n");
+ DPRINTF(EthernetIntr, "interrupt mask changed: isr=%x imr=%x masked=%x\n",
+ regs.isr, regs.imr, regs.isr & regs.imr);
if (regs.isr & regs.imr)
cpuIntrPost(curTick);
@@ -1187,7 +1189,8 @@ NSGigE::rxReset()
rxState = rxIdle;
}
-void NSGigE::regsReset()
+void
+NSGigE::regsReset()
{
memset(&regs, 0, sizeof(regs));
regs.config = 0x80000000;
@@ -1315,7 +1318,7 @@ NSGigE::rxDmaWriteDone()
void
NSGigE::rxKick()
{
- DPRINTF(EthernetSM, "receive kick state=%s (rxBuf.size=%d)\n",
+ DPRINTF(EthernetSM, "receive kick rxState=%s (rxBuf.size=%d)\n",
NsRxStateStrings[rxState], rxFifo.size());
if (rxKickTick > curTick) {
@@ -1393,11 +1396,10 @@ NSGigE::rxKick()
goto exit;
DPRINTF(EthernetDesc,
- "rxDescCache:\n"
- "\tlink=%08x\n"
- "\tbufptr=%08x\n"
- "\tcmdsts=%08x\n"
- "\textsts=%08x\n",
+ "rxDescCache: addr=%08x read descriptor\n",
+ regs.rxdp & 0x3fffffff);
+ DPRINTF(EthernetDesc,
+ "rxDescCache: link=%08x bufptr=%08x cmdsts=%08x extsts=%08x\n",
rxDescCache.link, rxDescCache.bufptr, rxDescCache.cmdsts,
rxDescCache.extsts);
@@ -1422,7 +1424,7 @@ NSGigE::rxKick()
if (rxFifo.empty())
goto exit;
- DPRINTF(EthernetSM, "\n\n*****processing receive of new packet\n");
+ DPRINTF(EthernetSM, "****processing receive of new packet****\n");
// If we don't have a packet, grab a new one from the fifo.
rxPacket = rxFifo.front();
@@ -1436,7 +1438,7 @@ NSGigE::rxKick()
DPRINTF(Ethernet, "ID is %d\n", reverseEnd16(ip->ID));
if (rxPacket->isTcpPkt()) {
tcp_header *tcp = rxPacket->getTcpHdr(ip);
- DPRINTF(Ethernet, "Src Port = %d, Dest Port = %d\n",
+ DPRINTF(Ethernet, "Src Port=%d, Dest Port=%d\n",
reverseEnd16(tcp->src_port_num),
reverseEnd16(tcp->dest_port_num));
}
@@ -1536,8 +1538,12 @@ NSGigE::rxKick()
*/
DPRINTF(EthernetDesc,
- "rxDesc writeback:\n\tcmdsts=%08x\n\textsts=%08x\n",
- rxDescCache.cmdsts, rxDescCache.extsts);
+ "rxDescCache: addr=%08x writeback cmdsts extsts\n",
+ regs.rxdp & 0x3fffffff);
+ DPRINTF(EthernetDesc,
+ "rxDescCache: link=%08x bufptr=%08x cmdsts=%08x extsts=%08x\n",
+ rxDescCache.link, rxDescCache.bufptr, rxDescCache.cmdsts,
+ rxDescCache.extsts);
rxDmaAddr = (regs.rxdp + offsetof(ns_desc, cmdsts)) & 0x3fffffff;
rxDmaData = &(rxDescCache.cmdsts);
@@ -1608,8 +1614,7 @@ NSGigE::rxKick()
panic("Invalid rxState!");
}
-
- DPRINTF(EthernetSM, "entering next rx state = %s\n",
+ DPRINTF(EthernetSM, "entering next rxState=%s\n",
NsRxStateStrings[rxState]);
goto next;
@@ -1618,7 +1623,7 @@ NSGigE::rxKick()
/**
* @todo do we want to schedule a future kick?
*/
- DPRINTF(EthernetSM, "rx state machine exited state=%s\n",
+ DPRINTF(EthernetSM, "rx state machine exited rxState=%s\n",
NsRxStateStrings[rxState]);
}
@@ -1630,7 +1635,7 @@ NSGigE::transmit()
return;
}
- DPRINTF(Ethernet, "\n\nAttempt Pkt Transmit: txFifo length = %d\n",
+ DPRINTF(Ethernet, "Attempt Pkt Transmit: txFifo length=%d\n",
maxTxFifoSize - txFifoAvail);
if (interface->sendPacket(txFifo.front())) {
#if TRACING_ON
@@ -1640,7 +1645,7 @@ NSGigE::transmit()
DPRINTF(Ethernet, "ID is %d\n", reverseEnd16(ip->ID));
if (txFifo.front()->isTcpPkt()) {
tcp_header *tcp = txFifo.front()->getTcpHdr(ip);
- DPRINTF(Ethernet, "Src Port = %d, Dest Port = %d\n",
+ DPRINTF(Ethernet, "Src Port=%d, Dest Port=%d\n",
reverseEnd16(tcp->src_port_num),
reverseEnd16(tcp->dest_port_num));
}
@@ -1785,7 +1790,8 @@ NSGigE::txDmaWriteDone()
void
NSGigE::txKick()
{
- DPRINTF(EthernetSM, "transmit kick state=%s\n", NsTxStateStrings[txState]);
+ DPRINTF(EthernetSM, "transmit kick txState=%s\n",
+ NsTxStateStrings[txState]);
if (txKickTick > curTick) {
DPRINTF(EthernetSM, "transmit kick exiting, can't run till %d\n",
@@ -1857,11 +1863,7 @@ NSGigE::txKick()
goto exit;
DPRINTF(EthernetDesc,
- "txDescCache data:\n"
- "\tlink=%08x\n"
- "\tbufptr=%08x\n"
- "\tcmdsts=%08x\n"
- "\textsts=%08x\n",
+ "txDescCache: link=%08x bufptr=%08x cmdsts=%08x extsts=%08x\n",
txDescCache.link, txDescCache.bufptr, txDescCache.cmdsts,
txDescCache.extsts);
@@ -1878,7 +1880,7 @@ NSGigE::txKick()
case txFifoBlock:
if (!txPacket) {
- DPRINTF(EthernetSM, "\n\n*****starting the tx of a new packet\n");
+ DPRINTF(EthernetSM, "****starting the tx of a new packet****\n");
txPacket = new EtherPacket;
txPacket->data = new uint8_t[16384];
txPacketBufPtr = txPacket->data;
@@ -1939,7 +1941,7 @@ NSGigE::txKick()
txDescCache.cmdsts |= CMDSTS_OK;
DPRINTF(EthernetDesc,
- "txDesc writeback:\n\tcmdsts=%08x\n\textsts=%08x\n",
+ "txDesc writeback: cmdsts=%08x extsts=%08x\n",
txDescCache.cmdsts, txDescCache.extsts);
txDmaAddr = regs.txdp + offsetof(ns_desc, cmdsts);
@@ -2041,7 +2043,7 @@ NSGigE::txKick()
panic("invalid state");
}
- DPRINTF(EthernetSM, "entering next tx state=%s\n",
+ DPRINTF(EthernetSM, "entering next txState=%s\n",
NsTxStateStrings[txState]);
goto next;
@@ -2050,15 +2052,19 @@ NSGigE::txKick()
/**
* @todo do we want to schedule a future kick?
*/
- DPRINTF(EthernetSM, "tx state machine exited state=%s\n",
+ DPRINTF(EthernetSM, "tx state machine exited txState=%s\n",
NsTxStateStrings[txState]);
}
void
NSGigE::transferDone()
{
- if (txFifo.empty())
+ if (txFifo.empty()) {
+ DPRINTF(Ethernet, "transfer complete: txFifo empty...nothing to do\n");
return;
+ }
+
+ DPRINTF(Ethernet, "transfer complete: data in txFifo...schedule xmit\n");
if (txEvent.scheduled())
txEvent.reschedule(curTick + 1);
@@ -2122,11 +2128,12 @@ NSGigE::recvPacket(PacketPtr packet)
rxBytes += packet->length;
rxPackets++;
- DPRINTF(Ethernet, "\n\nReceiving packet from wire, rxFifoAvail=%d\n",
+ DPRINTF(Ethernet, "Receiving packet from wire, rxFifoAvail=%d\n",
maxRxFifoSize - rxFifoCnt);
if (!rxEnable) {
DPRINTF(Ethernet, "receive disabled...packet dropped\n");
+ debug_break();
interface->recvDone();
return true;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-10 07:37:26 +0000