107 lines
4.1 KiB
Bash
107 lines
4.1 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 2015 ARM Limited
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# All rights reserved
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#
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# The license below extends only to copyright in the software and shall
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# not be construed as granting a license to any other intellectual
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# property including but not limited to intellectual property relating
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# to a hardware implementation of the functionality of the software
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# licensed hereunder. You may use the software subject to the license
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# terms below provided that you ensure that this notice is replicated
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# unmodified and in its entirety in all distributions of the software,
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# modified or unmodified, in source code or in binary form.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Gabor Dozsa
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#
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#
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# This is an example boot script to use for dist-gem5 runs. The important
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# task here is to extract the rank and size information through the m5
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# initparam utility and use those to configure MAC/IP addresses and hostname.
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#
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# You are expected to customize this scipt for your needs (e.g. change
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# the command at the end of the scipt to run your tests/workloads.
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source /root/.bashrc
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echo "bootscript.rcS is running"
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# Retrieve dist-gem5 rank and size parameters using the 'm5' utility
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MY_RANK=$(/sbin/m5 initparam dist-rank)
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[ $? = 0 ] || { echo "m5 initparam failed"; exit -1; }
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MY_SIZE=$(/sbin/m5 initparam dist-size)
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[ $? = 0 ] || { echo "m5 initparam failed"; exit -1; }
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/bin/hostname node${MY_RANK}
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# Keep MAC address assignment simple for now ...
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(($MY_RANK > 97)) && { echo "(E) Rank must be less than 98"; /sbin/m5 abort; }
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((MY_ADDR = MY_RANK + 2))
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if (($MY_ADDR < 10))
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then
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MY_ADDR_PADDED=0${MY_ADDR}
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else
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MY_ADDR_PADDED=${MY_ADDR}
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fi
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/sbin/ifconfig eth0 hw ether 00:90:00:00:00:${MY_ADDR_PADDED}
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/sbin/ifconfig eth0 192.168.0.${MY_ADDR} netmask 255.255.255.0 up
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/sbin/ifconfig -a
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echo "Hello from $MY_RANK of $MY_SIZE"
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# Now that our network interface is configured we can use the usual commands to
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# contact the other systems, e.g. let's try to ping a "neighbour" system
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if ((MY_RANK < MY_SIZE - 1))
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then
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ping -c 1 192.168.0.$((MY_ADDR + 1))
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else
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ping -c 1 192.168.0.2
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fi
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if [ "$MY_RANK" == "0" ]
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then
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# Trigger an immediate checkpoint at the next sync (by passing a non-zero
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# delay param to m5 ckpt)
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/sbin/m5 checkpoint 1
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echo "A real multi node workload might start here ..."
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# Trigger an immediate exit at the next sync (by passing a non-zero delay
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# param to m5 exit)
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/sbin/m5 exit 1
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else
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# This is to avoid other (rank!=0) gem5 processes exiting
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# before the test (started by rank 0) completes. When rank 0 completes the
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# test it will exit and that will trigger a notification to all the peer
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# gem5 processes to stop the simulation.
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echo "sleep forever..."
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while /bin/true
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do
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sleep 5
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done
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fi
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