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