Dear gem5 community,
I would like to use the IGbE_e1000 card in the latest gem5 version in
ARM FS mode. As I can see the card is connected only in VExpress_EMM
and VExpress_EMM64. However, I cannot boot correctly the latest gem5
version either in VExpress_EMM or VExpress_EMM64 using the
20180409.tar.xz kernels and images from the following link:
https://www.gem5.org/documentation/general_docs/fullsystem/guest_binaries.
So I achieve to boot the gem5 using the VExpress_GEM5_V1 machine type
(specifically through this configuration: $GEM5/build/ARM/gem5.opt -d
$GEM5/node0 $GEM5/configs/example/fs.py
--kernel=vmlinux.vexpress_gem5_v1_64
--disk-image=linaro-minimal-aarch64.img
--machine-type=VExpress_GEM5_V1 --dtb=armv7_gem5_v1_1cpu.dtb).
However, the IGbE_e1000 card is not included in the
VExpress_GEM5_V1... So I tried to connect it in VExpress_GEM5_Base
(which is used from VExpress_GEM5_V1). Specifically,
1) I add the following (below pci_host = GenericArmPciHost)
# Attach any PCI devices that are supported
def attachPciDevices(self):
self.ethernet = IGbE_e1000(pci_bus=0, pci_dev=0, pci_func=0,
InterruptLine=1, InterruptPin=1)
2) I add the self.ethernet in def _off_chip_devices(self).
Unfortunatelly, I get the following error after 2 minutes of
simulation (during this message: [0.135098] e1000 0000:00:00.0:
enabling device (0000 -> 0002)):
fatal: system.iobus has two ports responding within range
[0x80000000:0x80020000]:
system.realview.ethernet.pio
system.iobridge.cpu_side_port
Looking in previous gem5 versions, in the GenericArmPciHost there is
not the "pci_mem_base=0x40000000". So, I remove this and I am able to
boot Linux and see the eth0 but I do not know if is correct to remove
the pci_mem_base.
I would appreciate it if anyone would like to explain me please! :)
Best regards,
Nikos
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