On Thu, 31 May 2012, Anirudh Sivaraman wrote:
This is related to my earlier post, but I ll post this as a separate
thread to state my problem clearly. I have been trying to do this in
several ways but to no avail. Here's what I tried.
1. VExpress_ELT DOES have an ethernet interface inside it. When I run fs.py ie:
gem5/build/ARM/gem5.opt gem5/configs/example/fs.py --machine-type=VExpress_ELT
I get the error :
warn: Device system.membus.badaddr_responder accessed by read to
address 0x10009018 size=4
gem5.opt: build/ARM/cpu/simple/atomic.cc:289: Fault
AtomicSimpleCPU::readMem(Addr, uint8_t*, unsigned int, unsigned int):
Assertion `!pkt.isError()' failed.
This means that an address was generated for which no device / memory is
reponsible. Such addresses are then forwarded to the bad address device.
You would need to trace why this address was generated.
2. RealViewPBX does NOT have an ethernet interface and runs correctly
when I run fs.py ie
gem5/build/ARM/gem5.opt gem5/configs/example/fs.py --machine-type=RealView_PBX
3. Now, I add an ethernet interface to RealViewPBX by copying the
relevant portions (which refer to the variable ethernet) of
VExpress_ELT inside src/dev/arm/RealView.py. The lines are :
In attachIO():
-----------------------------------------------------------------------
self.ethernet.pio = bus.master
self.ethernet.config = bus.master
self.ethernet.dma = bus.slave
In class RealViewPBX():
-----------------------------------------------------------------------
ethernet = IGbE_e1000(pci_bus=0, pci_dev=0, pci_func=0,
InterruptLine=1, InterruptPin=1)
This doesn't work, and I get the error :
fatal: system.iobus has two ports with same range:
system.realview.ethernet-pciconf
system.iobridge-slave
@ cycle 0
The address spaces assigned to ethernet and the iobridge are not disjoint.
You need to assign the address spaces correctly.
--
Nilay
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