1#!/bin/bash 2# The following is a synthesis of info in: 3# 4# http://vmsplice.net/~stefan/stefanha-kernel-recipes-2015.pdf 5# http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/README 6# 7KBASE=../../linux 8#APPEND="console=ttyS0" 9 10function die { 11 echo "$*" 12 exit 1 13} 14 15pushd .. 16make test || die "failed to make test of libcap tree" 17make -C progs tcapsh-static || die "failed to make progs/tcapsh-static" 18popd 19 20# Assumes desired make *config (eg. make defconfig) is already done. 21pushd $KBASE 22pwd 23make V=1 all || die "failed to build kernel: $0" 24popd 25 26HERE=$(/bin/pwd) 27 28cat > fs.conf <<EOF 29file /init test-init.sh 0755 0 0 30dir /etc 0755 0 0 31file /etc/passwd test-passwd 0444 0 0 32dir /lib 0755 0 0 33dir /proc 0755 0 0 34dir /dev 0755 0 0 35dir /sys 0755 0 0 36dir /sbin 0755 0 0 37file /sbin/busybox /usr/sbin/busybox 0755 0 0 38dir /bin 0755 0 0 39file /bin/myprompt test-prompt.sh 0755 0 0 40file /bin/bash test-bash.sh 0755 0 0 41dir /usr 0755 0 0 42dir /usr/bin 0755 0 0 43dir /root 0755 0 0 44file /root/quicktest.sh $HERE/../progs/quicktest.sh 0755 0 0 45file /root/setcap $HERE/../progs/setcap 0755 0 0 46file /root/getcap $HERE/../progs/getcap 0755 0 0 47file /root/capsh $HERE/../progs/capsh 0755 0 0 48file /root/getpcaps $HERE/../progs/getpcaps 0755 0 0 49file /root/tcapsh-static $HERE/../progs/tcapsh-static 0755 0 0 50file /root/exit $HERE/exit 0755 0 0 51file /root/uns_test $HERE/../tests/uns_test 0755 0 0 52EOF 53 54# convenience for some local experiments 55if [ -f "$HERE/extras.sh" ]; then 56 echo "local, uncommitted enhancements to kernel test" 57 . "$HERE/extras.sh" 58fi 59 60if [ -f "$HERE/interactive" ]; then 61 echo "file /root/interactive $HERE/interactive 0755 0 0" >> fs.conf 62fi 63 64COMMANDS="awk cat chmod cp dmesg fgrep id less ln ls mkdir mount pwd rm rmdir sh sort umount uniq vi" 65for f in $COMMANDS; do 66 echo slink /bin/$f /sbin/busybox 0755 0 0 >> fs.conf 67done 68 69UCOMMANDS="id cut" 70for f in $UCOMMANDS; do 71 echo slink /usr/bin/$f /sbin/busybox 0755 0 0 >> fs.conf 72done 73 74$KBASE/usr/gen_init_cpio fs.conf | gzip -9 > initramfs.img 75 76KERNEL=$KBASE/arch/$(uname -m)/boot/bzImage 77 78qemu-system-$(uname -m) -m 1024 \ 79 -kernel $KERNEL \ 80 -initrd initramfs.img \ 81 -append "$APPEND" \ 82 -smp sockets=2,dies=1,cores=4 \ 83 -device isa-debug-exit 84