kernel-ark/arch/ppc64/boot
..
addnote.c
addRamDisk.c
crt0.S
div64.S
install.sh
main.c
Makefile
mknote.c
piggyback.c
ppc32-types.h
prom.c
README
string.S
zImage.lds
zlib.c
zlib.h

To extract the kernel vmlinux, System.map, .config or initrd from the zImage binary:

objcopy -j .kernel:vmlinux -O binary zImage vmlinux.gz
objcopy -j .kernel:System.map -O binary zImage System.map.gz
objcopy -j .kernel:.config -O binary zImage config.gz
objcopy -j .kernel:initrd -O binary zImage.initrd initrd.gz


	Peter