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authorAli Saidi <saidi@eecs.umich.edu>2006-09-18 20:12:45 -0400
committerAli Saidi <saidi@eecs.umich.edu>2006-09-18 20:12:45 -0400
commit17b0e9714d4bde7462d4663899bb9498027f6b40 (patch)
tree464a837d850eb8e076e62d9a6926e9e57516b9d9 /src/dev/i8254xGBe.cc
parentb7d03951268d352254b918fbe1464954828ee8fd (diff)
downloadgem5-17b0e9714d4bde7462d4663899bb9498027f6b40.tar.xz
add boiler plate intel nic code
src/SConscript: add intel nic to sconscript src/dev/pcidev.cc: fix bug with subsystemid value src/python/m5/objects/Ethernet.py: add intel nic to ethernet.py src/python/m5/objects/Ide.py: src/python/m5/objects/Pci.py: Move config_latency into pci where it belogs --HG-- extra : convert_revision : 7163aaf7b4098496518b0910cef62f2ce3dd574d
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diff --git a/src/dev/i8254xGBe.cc b/src/dev/i8254xGBe.cc
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+/*
+ * Copyright (c) 2006 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Ali Saidi
+ */
+
+/* @file
+ * Device model for Intel's 8254x line of gigabit ethernet controllers.
+ */
+
+#include "base/inet.hh"
+#include "dev/i8254xGBe.hh"
+#include "mem/packet.hh"
+#include "sim/builder.hh"
+#include "sim/stats.hh"
+#include "sim/system.hh"
+
+IGbE::IGbE(Params *p)
+ : PciDev(p), etherInt(NULL)
+{
+
+}
+
+
+Tick
+IGbE::writeConfig(Packet *pkt)
+{
+ int offset = pkt->getAddr() & PCI_CONFIG_SIZE;
+ if (offset < PCI_DEVICE_SPECIFIC)
+ PciDev::writeConfig(pkt);
+ else
+ panic("Device specific PCI config space not implemented.\n");
+
+ ///
+ /// Some work may need to be done here based for the pci COMMAND bits.
+ ///
+
+ return pioDelay;
+}
+
+Tick
+IGbE::read(Packet *pkt)
+{
+ int bar;
+ Addr daddr;
+
+ if (!getBAR(pkt->getAddr(), bar, daddr))
+ panic("Invalid PCI memory access to unmapped memory.\n");
+
+ // Only Memory register BAR is allowed
+ assert(bar == 0);
+
+ DPRINTF(Ethernet, "Accessed devie register %#X\n", daddr);
+
+ pkt->allocate();
+
+
+ ///
+ /// Handle read of register here
+ ///
+
+ pkt->result = Packet::Success;
+ return pioDelay;
+}
+
+Tick
+IGbE::write(Packet *pkt)
+{
+ int bar;
+ Addr daddr;
+
+ if (!getBAR(pkt->getAddr(), bar, daddr))
+ panic("Invalid PCI memory access to unmapped memory.\n");
+
+ // Only Memory register BAR is allowed
+ assert(bar == 0);
+
+ DPRINTF(Ethernet, "Accessed devie register %#X\n", daddr);
+
+ ///
+ /// Handle write of register here
+ ///
+
+ pkt->result = Packet::Success;
+ return pioDelay;
+}
+
+
+bool
+IGbE::ethRxPkt(EthPacketPtr packet)
+{
+ panic("Need to implemenet\n");
+}
+
+
+void
+IGbE::ethTxDone()
+{
+ panic("Need to implemenet\n");
+}
+
+void
+IGbE::serialize(std::ostream &os)
+{
+ panic("Need to implemenet\n");
+}
+
+void
+IGbE::unserialize(Checkpoint *cp, const std::string &section)
+{
+ panic("Need to implemenet\n");
+}
+
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(IGbEInt)
+
+ SimObjectParam<EtherInt *> peer;
+ SimObjectParam<IGbE *> device;
+
+END_DECLARE_SIM_OBJECT_PARAMS(IGbEInt)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(IGbEInt)
+
+ INIT_PARAM_DFLT(peer, "peer interface", NULL),
+ INIT_PARAM(device, "Ethernet device of this interface")
+
+END_INIT_SIM_OBJECT_PARAMS(IGbEInt)
+
+CREATE_SIM_OBJECT(IGbEInt)
+{
+ IGbEInt *dev_int = new IGbEInt(getInstanceName(), device);
+
+ EtherInt *p = (EtherInt *)peer;
+ if (p) {
+ dev_int->setPeer(p);
+ p->setPeer(dev_int);
+ }
+
+ return dev_int;
+}
+
+REGISTER_SIM_OBJECT("IGbEInt", IGbEInt)
+
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(IGbE)
+
+ SimObjectParam<System *> system;
+ SimObjectParam<Platform *> platform;
+ SimObjectParam<PciConfigData *> configdata;
+ Param<uint32_t> pci_bus;
+ Param<uint32_t> pci_dev;
+ Param<uint32_t> pci_func;
+ Param<Tick> pio_latency;
+ Param<Tick> config_latency;
+
+END_DECLARE_SIM_OBJECT_PARAMS(IGbE)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(IGbE)
+
+ INIT_PARAM(system, "System pointer"),
+ INIT_PARAM(platform, "Platform pointer"),
+ INIT_PARAM(configdata, "PCI Config data"),
+ INIT_PARAM(pci_bus, "PCI bus ID"),
+ INIT_PARAM(pci_dev, "PCI device number"),
+ INIT_PARAM(pci_func, "PCI function code"),
+ INIT_PARAM_DFLT(pio_latency, "Programmed IO latency in bus cycles", 1),
+ INIT_PARAM(config_latency, "Number of cycles for a config read or write")
+
+END_INIT_SIM_OBJECT_PARAMS(IGbE)
+
+
+CREATE_SIM_OBJECT(IGbE)
+{
+ IGbE::Params *params = new IGbE::Params;
+
+ params->name = getInstanceName();
+ params->platform = platform;
+ params->system = system;
+ params->configData = configdata;
+ params->busNum = pci_bus;
+ params->deviceNum = pci_dev;
+ params->functionNum = pci_func;
+ params->pio_delay = pio_latency;
+ params->config_delay = config_latency;
+
+ return new IGbE(params);
+}
+
+REGISTER_SIM_OBJECT("IGbE", IGbE)