Hi, There is a example FS.py and FSCconfig.py files. If you want to go to more detail check for Realview.py. Regards, Digant Desai.
2011/5/19 xuewen zhou <zhouxuewen1...@gmail.com> > hello，Digant > I am sorry to disturb you . I want to ask you that how did you config your > ARM system ，In which file you added modules you need ？ > Thank you very much ！ > Best wishes ！ > > 2011/5/20 Digant <digantde...@gmail.com> > >> Hi all, >> >> I have been trying to develop a model for Pl081 DMA controller. >> >> I have inherited class from AmbaDmaDevice and as a first step I have given >> register read/write features. >> And added it in M5 system by editing RealView.py to membus. >> I have couple of questions, >> 1- It should be on membus right ? rather then on IO bus !! >> 2- How can I reduce the bus width from 64 to 32 ? >> 3- After configuration I am getting this : >> *from config.ini* >> *.* >> *.* >> *.* >> *[system.membus]* >> *type=Bus* >> *children=badaddr_responder* >> *block_size=64* >> *bus_id=1* >> *clock=1000* >> *header_cycles=1* >> *use_default_range=false* >> *width=64* >> *default=system.membus.badaddr_responder.pio* >> *port=system.bridge.side_b system.physmem.port[0] system.physmem2.port[0] >> system.diskmem.port[0] system.realview.gic.pio system.realview.l2x0_fake.pio >> system.realview.dmac.pio system.cpu.itb.walker.port >> system.cpu.dtb.walker.port system.cpu.icache_port system.cpu.dcache_port >> system.realview.dmac.dma* >> * >> * >> *[system.membus.badaddr_responder]* >> *type=IsaFake* >> *pio_addr=0* >> *pio_latency=1000* >> *pio_size=8* >> *platform=system.realview* >> *ret_bad_addr=true* >> *ret_data16=65535* >> *ret_data32=4294967295* >> *ret_data64=18446744073709551615* >> *ret_data8=255* >> *system=system* >> *update_data=false* >> *warn_access=warn* >> *pio=system.membus.default* >> * >> * >> *[system.realview.dmac]* >> *type=Pl081* >> *amba_id=1314945* >> *gic=system.realview.gic* >> *int_num=55* >> *max_backoff_delay=10000000* >> *min_backoff_delay=4000* >> *pio_addr=268632064* >> *pio_latency=10000* >> *platform=system.realview* >> *system=system* >> *dma=system.membus.port[11]* >> *pio=system.membus.port[6]* >> >> but when I run Linux kernel with NO DMA / PL081 drivers.(I have written >> my own driver to read write dma registers for time being).I am >> getting this,(here 0x10030fe0 is AMBA ID1 read only register) >> *from the M5-log:* >> *.* >> *.* >> *.* >> *warn: Device system.membus.badaddr_responder accessed by read to address >> 0x10030fe0 size=4* >> *For more information see: http://www.m5sim.org/warn/f6456e4f* >> *m5.debug: build/ARM_FS/cpu/simple/atomic.cc:347: Fault >> AtomicSimpleCPU::readBytes(Addr, uint8_t*, unsigned int, unsigned int): >> Assertion `!pkt.isError()' failed.* >> *Program aborted at cycle 4790235000* >> *Aborted* >> >> >> >> _______________________________________________ >> gem5-users mailing list >> gem5-users@m5sim.org >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> > > > > -- > Xuewen Zhou Master > Shanghai Jiaotong University > School of Microelectronics > National Engineering Laboratory For Automotive Electronic Control > Technology > 800 Dongchuan Road, Shanghai 200240, P. R. China > Phone : 13062728106 > >
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