Example FIT image descriptor & buildroot post-image hook / https://blog.inf.re/buildroot-cheatsheet.html
| /dts-v1/; | |
| / { | |
| description = "Example FIT image"; | |
| #address-cells = <1>; | |
| images { | |
| kernel@1 { | |
| description = "default kernel"; | |
| data = /incbin/("./zImage"); | |
| type = "kernel"; | |
| arch = "arm"; | |
| os = "linux"; | |
| compression = "none"; | |
| load = <0x42000000>; | |
| entry = <0x42000000>; | |
| hash@1 { | |
| algo = "sha1"; | |
| }; | |
| }; | |
| ramdisk@1 { | |
| description = "rootfs"; | |
| data = /incbin/("./rootfs.cpio.gz"); | |
| type = "ramdisk"; | |
| arch = "arm"; | |
| os = "linux"; | |
| compression = "gzip"; | |
| load = <00000000>; | |
| entry = <00000000>; | |
| hash@1 { | |
| algo = "sha1"; | |
| }; | |
| }; | |
| fdt@1 { | |
| description = "device tree"; | |
| data = /incbin/("./sun8i-h2-plus-orangepi-zero.dtb"); | |
| type = "flat_dt"; | |
| arch = "arm"; | |
| compression = "none"; | |
| hash@1 { | |
| algo = "sha1"; | |
| }; | |
| }; | |
| }; | |
| configurations { | |
| default = "config@1"; | |
| config@1 { | |
| description = "default configuration"; | |
| kernel = "kernel@1"; | |
| ramdisk = "ramdisk@1"; | |
| fdt = "fdt@1"; | |
| }; | |
| }; | |
| }; |
| #!/bin/sh | |
| # post-image.sh - build full .itb image | |
| set -e | |
| BOARD_DIR="$( dirname "${0}" )" | |
| MKIMAGE="${HOST_DIR}/bin/mkimage" | |
| IMAGE_ITS="image.its" | |
| OUTPUT_NAME="image.itb" | |
| # We have to copy .its file over to images/ for /incbin/ to work | |
| cp "${BOARD_DIR}/${IMAGE_ITS}" "${BINARIES_DIR}" | |
| cd "${BINARIES_DIR}" | |
| # This will create ${BINARIES_DIR}/${OUTPUT_NAME} FIT image | |
| "${MKIMAGE}" -f ${IMAGE_ITS} ${OUTPUT_NAME} | |
| rm ${IMAGE_ITS} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment