libcap/kdebug/test-kernel.sh
Andrew G. Morgan 53b369b8ea Make the kdebug test use the terminal output.
Signed-off-by: Andrew G. Morgan <morgan@kernel.org>
2025-05-06 23:17:09 -07:00

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#!/bin/bash
# The following is a synthesis of info in:
#
# http://vmsplice.net/~stefan/stefanha-kernel-recipes-2015.pdf
# http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/README
#
KBASE=../../linux
#APPEND="console=ttyS0"
function die {
echo "$*"
exit 1
}
# make clean will wipe out the interactive file, so remember to put it back.
if [[ -f "${HERE}/interactive" ]]; then
want_interactive=1
fi
pushd ..
make LIBCSTATIC=yes clean all test || die "failed to make all test of libcap tree"
make LIBCSTATIC=yes -C progs tcapsh-static || die "failed to make progs/tcapsh-static"
make -C tests uns_test
popd
if [[ "${want_interactive}" -eq 1 ]]; then
touch "${HERE}/interactive"
fi
# Assumes desired make *config (eg. make defconfig) is already done.
pushd $KBASE
pwd
make V=1 all || die "failed to build kernel: $0"
popd
HERE=$(/bin/pwd)
cat > fs.conf <<EOF
file /init test-init.sh 0755 0 0
dir /etc 0755 0 0
file /etc/passwd test-passwd 0444 0 0
dir /lib 0755 0 0
dir /proc 0755 0 0
dir /dev 0755 0 0
dir /sys 0755 0 0
dir /sbin 0755 0 0
file /sbin/busybox /usr/sbin/busybox 0755 0 0
dir /bin 0755 0 0
file /bin/myprompt test-prompt.sh 0755 0 0
file /bin/bash test-bash.sh 0755 0 0
dir /usr 0755 0 0
dir /usr/bin 0755 0 0
dir /root 0755 0 0
file /root/quicktest.sh $HERE/../progs/quicktest.sh 0755 0 0
file /root/setcap $HERE/../progs/setcap 0755 0 0
file /root/getcap $HERE/../progs/getcap 0755 0 0
file /root/capsh $HERE/../progs/capsh 0755 0 0
file /root/getpcaps $HERE/../progs/getpcaps 0755 0 0
file /root/tcapsh-static $HERE/../progs/tcapsh-static 0755 0 0
file /root/exit $HERE/exit 0755 0 0
file /root/uns_test $HERE/../tests/uns_test 0755 0 0
EOF
# convenience for some local experiments
if [ -f "$HERE/extras.sh" ]; then
echo "local, uncommitted enhancements to kernel test"
. "$HERE/extras.sh"
fi
if [ -f "$HERE/interactive" ]; then
echo "file /root/interactive $HERE/interactive 0755 0 0" >> fs.conf
fi
COMMANDS="awk cat chmod cp dmesg grep id less ln ls mkdir mount pwd rm rmdir sh sort umount uniq vi"
for f in $COMMANDS; do
echo slink /bin/$f /sbin/busybox 0755 0 0 >> fs.conf
done
UCOMMANDS="id cut"
for f in $UCOMMANDS; do
echo slink /usr/bin/$f /sbin/busybox 0755 0 0 >> fs.conf
done
$KBASE/usr/gen_init_cpio fs.conf | gzip -9 > initramfs.img
KERNEL=$KBASE/arch/$(uname -m)/boot/bzImage
qemu-system-$(uname -m) -m 1024 \
-kernel $KERNEL \
-initrd initramfs.img \
-append "$APPEND console=ttyS0" \
-smp sockets=2,dies=1,cores=4 \
-device isa-debug-exit \
-nographic -serial mon:stdio