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Merge pull request #4 from lissyx/build-bootImg
Bug 1242402 - Produce boot.img for RPi2 r=_AtilA_
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,186 @@ | ||
| #!/bin/bash | ||
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| set -e | ||
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| # We should handle Android arguments: | ||
| # --kernel <path to kernel> => to copy directly to boot partition | ||
| # --ramdisk <path to ramdisk.img> => to copy directly to boot partition | ||
| # --cmdline "content of cmdline" => to dump as cmdline.txt in boot partition | ||
| # --dt <path to device tree> => to copy directly to boot partition | ||
| # --output <path to resulting img> => path of the boot.img to create | ||
| # We should ignore Android arguments: | ||
| # --base; --pagesize; | ||
| # We should handle our specific arguments: | ||
| # --bootcode <path to bootcode.bin> => to copy directly to boot partition | ||
| # --configtxt <path to config.txt> => to copy directly to boot partition | ||
| # --fixupdat <path to fixup.dat> => to copy directly to boot partition | ||
| # --startelf <path to start.elf> => to copy directly to boot partition | ||
| # --partsize <size in bytes> => size of the boot partition | ||
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| usage() { | ||
| echo "$0 OPTIONS SPECIFICS | ||
| With OPTIONS being: | ||
| -k, --kernel KERNEL Path to the kernel image to use | ||
| -r, --ramdisk RAMDISK Path to the ramdisk image to use | ||
| -c, --cmdline CMDLINE Content to place in cmdline.txt | ||
| -d, --dt DT Path to the device tree DTB file | ||
| -o, --output OUTPUT Output boot.img to produce | ||
| With SPECIFICS being: | ||
| -b, --bootcode BOOTCODE Path to bootcode.bin to place in boot partition | ||
| -t, --configtxt CONFIGTXT Path to config.txt to place in boot partition | ||
| -f, --fixupdat FIXUPDAT Path to fixup.dat to place in boot partition | ||
| -s, --startelf STARTELF Path to start.elf to place in boot partition | ||
| -p, --partsize PARTSIZE Size of the partition in bytes | ||
| " | ||
| } | ||
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| # options may be followed by one colon to indicate they have a required argument | ||
| if ! options=$(getopt -o hk:r:c:d:b:t:f:s:o:p: -l help,kernel:,ramdisk:,cmdline:,dt:,bootcode:,configtxt:,fixupdat:,startelf:,output:,partsize: -- "$@") | ||
| then | ||
| # something went wrong, getopt will put out an error message for us | ||
| exit 1 | ||
| fi | ||
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| eval set -- "$options" | ||
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| kernel= | ||
| ramdisk= | ||
| cmdline= | ||
| dt= | ||
| output= | ||
| bootcode= | ||
| configtxt= | ||
| fixupdat= | ||
| startelf= | ||
| partsize= | ||
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| while [ $# -gt 0 ] | ||
| do | ||
| case "$1" in | ||
| -k|--kernel) kernel=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -r|--ramdisk) ramdisk=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -c|--cmdline) cmdline=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -d|--dt) dt=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -o|--output) output=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -b|--bootcode) bootcode=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -t|--configtxt) configtxt=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -f|--fixupdat) fixupdat=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -s|--startelf) startelf=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -p|--partsize) partsize=$(echo "$2" | sed -e "s/'//g"); shift 2 ;; | ||
| -h|--help) usage; shift; exit 0 ;; | ||
| (--) break;; | ||
| (-*) echo "$0: error - unrecognized option $1" 1>&2; exit 1;; | ||
| (*) break;; | ||
| esac | ||
| done | ||
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| dump_vars() | ||
| { | ||
| echo "kernel=${kernel}" | ||
| echo "ramdisk=${ramdisk}" | ||
| echo "cmdline=${cmdline}" | ||
| echo "dt=${dt}" | ||
| echo "output=${output}" | ||
| echo "bootcode=${bootcode}" | ||
| echo "configtxt=${configtxt}" | ||
| echo "fixupdat=${fixupdat}" | ||
| echo "startelf=${startelf}" | ||
| echo "partsize=${partsize}" | ||
| } | ||
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| check_file() | ||
| { | ||
| if [ ! -f "$1" ]; then | ||
| echo "No $2 at $1" | ||
| return 1 | ||
| fi; | ||
| } | ||
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| check_vars() | ||
| { | ||
| check_file "${kernel}" "kernel" || return 1 | ||
| check_file "${ramdisk}" "ramdisk" || return 1 | ||
| check_file "${dt}" "device tree" || return 1 | ||
| check_file "${bootcode}" "bootcode.bin" || return 1 | ||
| check_file "${configtxt}" "config.txt" || return 1 | ||
| check_file "${fixupdat}" "fixup.dat" || return 1 | ||
| check_file "${startelf}" "start.elf" || return 1 | ||
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| if [ -z "${output}" ]; then | ||
| echo "Empty output variable, no idea where to write boot image ..." | ||
| return 1 | ||
| fi; | ||
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| if [ -z "${cmdline}" ]; then | ||
| echo "Empty cmdline variable, no idea what to put in cmdline.txt" | ||
| return 1 | ||
| fi; | ||
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| if [ ${partsize} -le 8388608 ]; then | ||
| echo "Please use more than 8MB for boot partition" | ||
| return 1 | ||
| fi; | ||
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| # All good, return 0 | ||
| echo "All good, no error." | ||
| return 0 | ||
| } | ||
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| # Should dump vars in case of issue and exit 1 | ||
| check_vars || (echo "ERROR!!!"; dump_vars; exit 1) | ||
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| # check for mkdosfs, mcopy in PATH | ||
| for i in mkdosfs mcopy mdir; do | ||
| if ! which "$i" &> /dev/null; then | ||
| echo "Missing required program $i" | ||
| exit 1 | ||
| fi | ||
| done | ||
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| if [ -z "${ANDROID_PRODUCT_OUT}" ]; then | ||
| echo "ANDROID_PRODUCT_OUT is empty, cannot continue."; | ||
| exit 1; | ||
| fi; | ||
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| # Cleanup previous boot.img | ||
| rm "${output}" || true | ||
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| BOOTIMG_BASEDIR=${ANDROID_PRODUCT_OUT}/boot | ||
| if [ ! -d "${BOOTIMG_BASEDIR}" ]; then | ||
| mkdir -p "${BOOTIMG_BASEDIR}" | ||
| else | ||
| rm "${BOOTIMG_BASEDIR}/*" || true | ||
| fi; | ||
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| # Should be in sync with config.txt | ||
| cp "${kernel}" "${BOOTIMG_BASEDIR}/zImage" | ||
| cp "${ramdisk}" "${BOOTIMG_BASEDIR}/" | ||
| # Should be in sync with config.txt | ||
| cp "${dt}" "${BOOTIMG_BASEDIR}/" | ||
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| # Raspberry Pi specific boot parts | ||
| cp "${bootcode}" "${BOOTIMG_BASEDIR}/" | ||
| cp "${configtxt}" "${BOOTIMG_BASEDIR}/" | ||
| cp "${fixupdat}" "${BOOTIMG_BASEDIR}/" | ||
| cp "${startelf}" "${BOOTIMG_BASEDIR}/" | ||
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| echo "${cmdline}" > "${BOOTIMG_BASEDIR}/cmdline.txt" | ||
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| ### From https://github.com/CyanogenMod/android_bootable_userfastboot/blob/cm-12.1/make_vfatfs | ||
| img_size=$((${partsize} / 1024)) | ||
| # Round the size of the disk up to 32K so that total sectors is | ||
| # a multiple of sectors per track (mtools complains otherwise) | ||
| mod=$((img_size % 32)) | ||
| if [ $mod != 0 ]; then | ||
| img_size=$(($img_size + 32 - $mod)) | ||
| fi | ||
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| echo "Create FAT filesystem of size ${img_size}" | ||
| # It looks like we cannot use 32MB with FAT32. But 48MB works. | ||
| mkdosfs -F 32 -n "BOOT" -C ${output} ${img_size} | ||
| mcopy -v -p -s -Q -i "${output}" "${BOOTIMG_BASEDIR}/"* ::/ | ||
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| ls -al "${BOOTIMG_BASEDIR}/" | ||
| ls -al "${output}" | ||
| mdir -i "${output}" |