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Diffstat (limited to 'util/dist/test/simple_bootscript.rcS')
| -rw-r--r-- | util/dist/test/simple_bootscript.rcS | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/util/dist/test/simple_bootscript.rcS b/util/dist/test/simple_bootscript.rcS new file mode 100644 index 000000000..7c9b75538 --- /dev/null +++ b/util/dist/test/simple_bootscript.rcS @@ -0,0 +1,107 @@ +#!/bin/bash + + +# +# Copyright (c) 2015 ARM Limited +# All rights reserved +# +# The license below extends only to copyright in the software and shall +# not be construed as granting a license to any other intellectual +# property including but not limited to intellectual property relating +# to a hardware implementation of the functionality of the software +# licensed hereunder. You may use the software subject to the license +# terms below provided that you ensure that this notice is replicated +# unmodified and in its entirety in all distributions of the software, +# modified or unmodified, in source code or in binary form. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Gabor Dozsa +# +# +# This is an example boot script to use for dist-gem5 runs. The important +# task here is to extract the rank and size information through the m5 +# initparam utility and use those to configure MAC/IP addresses and hostname. +# +# You are expected to customize this scipt for your needs (e.g. change +# the command at the end of the scipt to run your tests/workloads. + +source /root/.bashrc +echo "bootscript.rcS is running" + +# Retrieve dist-gem5 rank and size parameters using the 'm5' utility +MY_RANK=$(/sbin/m5 initparam dist-rank) +[ $? = 0 ] || { echo "m5 initparam failed"; exit -1; } +MY_SIZE=$(/sbin/m5 initparam dist-size) +[ $? = 0 ] || { echo "m5 initparam failed"; exit -1; } + +/bin/hostname node${MY_RANK} + +# Keep MAC address assignment simple for now ... +(($MY_RANK > 97)) && { echo "(E) Rank must be less than 98"; /sbin/m5 abort; } +((MY_ADDR = MY_RANK + 2)) +if (($MY_ADDR < 10)) +then + MY_ADDR_PADDED=0${MY_ADDR} +else + MY_ADDR_PADDED=${MY_ADDR} +fi + +/sbin/ifconfig eth0 hw ether 00:90:00:00:00:${MY_ADDR_PADDED} +/sbin/ifconfig eth0 192.168.0.${MY_ADDR} netmask 255.255.255.0 up + +/sbin/ifconfig -a + +echo "Hello from $MY_RANK of $MY_SIZE" + +# Now that our network interface is configured we can use the usual commands to +# contact the other systems, e.g. let's try to ping a "neighbour" system +if ((MY_RANK < MY_SIZE - 1)) +then + ping -c 1 192.168.0.$((MY_ADDR + 1)) +else + ping -c 1 192.168.0.2 +fi + + +if [ "$MY_RANK" == "0" ] +then + # Trigger an immediate checkpoint at the next sync (by passing a non-zero + # delay param to m5 ckpt) + /sbin/m5 checkpoint 1 + echo "A real multi node workload might start here ..." + # Trigger an immediate exit at the next sync (by passing a non-zero delay + # param to m5 exit) + /sbin/m5 exit 1 +else + # This is to avoid other (rank!=0) gem5 processes exiting + # before the test (started by rank 0) completes. When rank 0 completes the + # test it will exit and that will trigger a notification to all the peer + # gem5 processes to stop the simulation. + echo "sleep forever..." + while /bin/true + do + sleep 5 + done +fi |