1#!/bin/sh 2 3set -eu 4 5print_help() { 6 script_name=$(basename $0) 7 echo NAME 8 echo '\t'$script_name: Assemble an OpenBMC eMMC image that can be booted under QEMU 9 echo 10 echo SYNOPSYS 11 echo '\t'$script_name '<TARGET>' '<BUILDDIR>' '[IMAGESIZE]' 12 echo 13 echo DESCRIPTION 14 echo '\t''TARGET':'\t\t'The name of the target machine, used to locate the required images. 15 echo '\t''BUILDDIR':'\t'The path to the OpenBMC build directory. 16 echo '\t''IMAGESIZE':'\t'The output image size, may be specified with units. Defaults to 16G. 17 echo 18 echo EXAMPLE: 19 echo '\t'$script_name 'p10bmc' '~/src/openbmc/openbmc/build/p10bmc' 20} 21 22if [ $# -eq 0 ] 23then 24 print_help 25 exit 1 26fi 27 28if [ "$1" = "-h" -o "$1" = "--help" ] 29then 30 print_help 31 exit 0 32fi 33 34if [ $# -lt 2 ] 35then 36 print_help 37 exit 1 38fi 39 40xzdec -V > /dev/null 41 42set -x 43 44target="$1" 45build_dir="$2" 46image_size=${3:-16G} 47 48fw_dir=${build_dir}/tmp/deploy/images/${target} 49wicxz="${fw_dir}/obmc-phosphor-image-${target}.wic.xz" 50mmc="mmc-${target}.img" 51 52dd of=$mmc if=/dev/zero bs=1M count=128 53dd of=$mmc if=${fw_dir}/u-boot-spl.bin conv=notrunc 54dd of=$mmc if=${fw_dir}/u-boot.bin conv=notrunc bs=1K seek=64 55xzdec $wicxz | dd of=$mmc conv=notrunc bs=1M seek=2 56truncate --size ${image_size} $mmc 57 58set +x 59 60echo 61echo For an AST2600-based machine, invoke QEMU with the following parameters: 62echo 63echo '\t'-drive file=$(realpath ${mmc}),if=sd,format=raw,index=2 64