Nokia-N900:/home/user# sh -x /usr/bin/u-boot-gen-combined u-boot-2011.12-1.bin uImage1 zImage3 + test u-boot-2011.12-1.bin = -h + test u-boot-2011.12-1.bin = --help + test -z u-boot-2011.12-1.bin + uboot=u-boot-2011.12-1.bin + test -z uImage1 + kernel=uImage1 + test -z zImage3 + output=zImage3 + test -f u-boot-2011.12-1.bin + test -f uImage1 + cut -f1 -d + wc -c u-boot-2011.12-1.bin + uboot_size=191600 + cut -f1 -d + wc -c uImage1 + kernel_size=1783320 + uboot_max=262144 + kernel_max=1835008 + test 191600 -gt 262144 + test 1783320 -gt 1835008 + uboot_append=70544 + echo U-Boot binary: u-boot-2011.12-1.bin U-Boot binary: u-boot-2011.12-1.bin + echo U-Boot kernel image: uImage1 U-Boot kernel image: uImage1 + dd if=u-boot-2011.12-1.bin of=zImage3 + dd if=/dev/zero of=zImage3 bs=1 count=70544 conv=notrunc oflag=append + dd if=uImage1 of=zImage3 conv=notrunc oflag=append + echo Output combined image: zImage3 Output combined image: zImage3 Nokia-N900:/home/user# ls -l zImage3 -rw-r--r-- 1 root root 191600 Jan 16 18:24 zImage3