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 LIBCSTATIC=yes all test || die "failed to make all test of libcap tree" 17make LIBCSTATIC=yes -C progs tcapsh-static || die "failed to make progs/tcapsh-static" 18make -C tests uns_test 19popd 20 21# Assumes desired make *config (eg. make defconfig) is already done. 22pushd $KBASE 23pwd 24make V=1 all || die "failed to build kernel: $0" 25popd 26 27HERE=$(/bin/pwd) 28 29cat > fs.conf <<EOF 30file /init test-init.sh 0755 0 0 31dir /etc 0755 0 0 32file /etc/passwd test-passwd 0444 0 0 33dir /lib 0755 0 0 34dir /proc 0755 0 0 35dir /dev 0755 0 0 36dir /sys 0755 0 0 37dir /sbin 0755 0 0 38file /sbin/busybox /usr/sbin/busybox 0755 0 0 39dir /bin 0755 0 0 40file /bin/myprompt test-prompt.sh 0755 0 0 41file /bin/bash test-bash.sh 0755 0 0 42dir /usr 0755 0 0 43dir /usr/bin 0755 0 0 44dir /root 0755 0 0 45file /root/quicktest.sh $HERE/../progs/quicktest.sh 0755 0 0 46file /root/setcap $HERE/../progs/setcap 0755 0 0 47file /root/getcap $HERE/../progs/getcap 0755 0 0 48file /root/capsh $HERE/../progs/capsh 0755 0 0 49file /root/getpcaps $HERE/../progs/getpcaps 0755 0 0 50file /root/tcapsh-static $HERE/../progs/tcapsh-static 0755 0 0 51file /root/exit $HERE/exit 0755 0 0 52file /root/uns_test $HERE/../tests/uns_test 0755 0 0 53EOF 54 55# convenience for some local experiments 56if [ -f "$HERE/extras.sh" ]; then 57 echo "local, uncommitted enhancements to kernel test" 58 . "$HERE/extras.sh" 59fi 60 61if [ -f "$HERE/interactive" ]; then 62 echo "file /root/interactive $HERE/interactive 0755 0 0" >> fs.conf 63fi 64 65COMMANDS="awk cat chmod cp dmesg grep id less ln ls mkdir mount pwd rm rmdir sh sort umount uniq vi" 66for f in $COMMANDS; do 67 echo slink /bin/$f /sbin/busybox 0755 0 0 >> fs.conf 68done 69 70UCOMMANDS="id cut" 71for f in $UCOMMANDS; do 72 echo slink /usr/bin/$f /sbin/busybox 0755 0 0 >> fs.conf 73done 74 75$KBASE/usr/gen_init_cpio fs.conf | gzip -9 > initramfs.img 76 77KERNEL=$KBASE/arch/$(uname -m)/boot/bzImage 78 79qemu-system-$(uname -m) -m 1024 \ 80 -kernel $KERNEL \ 81 -initrd initramfs.img \ 82 -append "$APPEND" \ 83 -smp sockets=2,dies=1,cores=4 \ 84 -device isa-debug-exit 85