exporting patch:
# HG changeset patch
# User Jiuyue Ma <majiuyue@ncic.ac.cn>
# Date 1405570194 -28800
# Node ID 79553f12ba34330f011264396aa335f4e0143b9d
# Parent  2861ee21f27b4da079d1b80c6308831a8b890709
config: add ethernet support for x86 fullsystem

This patch add a IGbE_e1000 ethernet device to x86 fs system.

diff -r 2861ee21f27b -r 79553f12ba34 configs/common/FSConfig.py
--- a/configs/common/FSConfig.py	Thu Jul 17 12:05:41 2014 +0800
+++ b/configs/common/FSConfig.py	Thu Jul 17 12:09:54 2014 +0800
@@ -424,6 +424,15 @@
     disk2.childImage(disk('linux-bigswap2.img'))
     self.pc.south_bridge.ide.disks = [disk0, disk2]
 
+    # Ethernet
+    #  - connect to PCI bus (bus_id=0)
+    #  - connect to I/O APIC use INT-A (InterruptPin=1)
+    self.pc.ethernet = IGbE_e1000(pci_bus=0, pci_dev=2, pci_func=0,
+                                  InterruptLine=10, InterruptPin=1)
+    self.pc.ethernet.pio = self.iobus.master
+    self.pc.ethernet.config = self.iobus.master
+    self.pc.ethernet.dma = self.iobus.slave
+
     # Add in a Bios information structure.
     structures = [X86SMBiosBiosInformation()]
     self.smbios_table.structures = structures