1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0+ 3# 4# Without the -hw argument, runs a herd7 test and outputs verification 5# results to a file whose name is that of the specified litmus test, 6# but with ".out" appended. 7# 8# If the --hw argument is specified, this script translates the .litmus 9# C-language file to the specified type of assembly and verifies that. 10# But in this case, litmus tests using complex synchronization (such as 11# locking, RCU, and SRCU) are cheerfully ignored. 12# 13# Either way, return the status of the herd7 command. 14# 15# Usage: 16# runlitmus.sh file.litmus 17# 18# Run this in the directory containing the memory model, specifying the 19# pathname of the litmus test to check. The caller is expected to have 20# properly set up the LKMM environment variables. 21# 22# Copyright IBM Corporation, 2019 23# 24# Author: Paul E. McKenney <paulmck@linux.ibm.com> 25 26litmus=$1 27if test -f "$litmus" -a -r "$litmus" 28then 29 : 30else 31 echo ' !!! ' error: \"$litmus\" is not a readable file 32 exit 255 33fi 34 35if test -z "$LKMM_HW_MAP_FILE" -o ! -e $LKMM_DESTDIR/$litmus.out 36then 37 # LKMM run 38 herdoptions=${LKMM_HERD_OPTIONS--conf linux-kernel.cfg} 39 echo Herd options: $herdoptions > $LKMM_DESTDIR/$litmus.out 40 /usr/bin/time $LKMM_TIMEOUT_CMD herd7 $herdoptions $litmus >> $LKMM_DESTDIR/$litmus.out 2>&1 41 ret=$? 42 if test -z "$LKMM_HW_MAP_FILE" 43 then 44 exit $ret 45 fi 46 echo " --- " Automatically generated LKMM output for '"'--hw $LKMM_HW_MAP_FILE'"' run 47fi 48 49# Hardware run 50 51T=/tmp/checklitmushw.sh.$$ 52trap 'rm -rf $T' 0 2 53mkdir $T 54 55# Generate filenames 56mapfile="Linux2${LKMM_HW_MAP_FILE}.map" 57themefile="$T/${LKMM_HW_MAP_FILE}.theme" 58herdoptions="-model $LKMM_HW_CAT_FILE" 59hwlitmus=`echo $litmus | sed -e 's/\.litmus$/.litmus.'${LKMM_HW_MAP_FILE}'/'` 60hwlitmusfile=`echo $hwlitmus | sed -e 's,^.*/,,'` 61 62# Don't run on litmus tests with complex synchronization 63if ! scripts/simpletest.sh $litmus 64then 65 echo ' --- ' error: \"$litmus\" contains locking, RCU, or SRCU 66 exit 254 67fi 68 69# Generate the assembly code and run herd7 on it. 70gen_theme7 -n 10 -map $mapfile -call Linux.call > $themefile 71jingle7 -v -theme $themefile $litmus > $LKMM_DESTDIR/$hwlitmus 2> $T/$hwlitmusfile.jingle7.out 72if grep -q "Generated 0 tests" $T/$hwlitmusfile.jingle7.out 73then 74 echo ' !!! ' jingle7 failed, errors in $hwlitmus.err 75 cp $T/$hwlitmusfile.jingle7.out $LKMM_DESTDIR/$hwlitmus.err 76 exit 253 77fi 78/usr/bin/time $LKMM_TIMEOUT_CMD herd7 -unroll 0 $LKMM_DESTDIR/$hwlitmus > $LKMM_DESTDIR/$hwlitmus.out 2>&1 79 80exit $? 81