2017年10月4日 · Note that the author/maintainer of U-Boot considers the (widespread) use of using a zImage inside a uImage questionable: Actually it's pretty stupid to use a zImage inside an uImage. It is much better to use normal (uncompressed) kernel image, compress it using just gzip, and use this as poayload for mkimage.

mkimage -l uImage Will dump the information in the header. tail -c+65 < uImage > out Will get the content. tail -c+65 < uImage | gunzip > out will get it uncompressed if it was gzip-compressed. If that was an initramfs, you can do cpio -t < out or pax < out to list the content. If it's a ramdisk image, you can try and mount it with:

2017年7月26日 · The zImage file is a stand-alone executable. The legacy "uImage" format is not formally documented in U-Boot but could be understood by reading the code. In most cases, rather than using a "uImage" you would want to use a FIT image today, which has a number of docs in the doc/uImage.FIT directory in the U-Boot sources.

2013年9月18日 · uboot.bin is the bootloader, i.e. uboot, uImage.bin is the kernel image. Usually, in embedded systems the NAND flash is partitioned in four parts: A partition for the bootloader (here goes uboot.bin) A small partition where uboot saves its environment variables; A partition for the kernel (here goes uImage.bin) A partition for the rootfs

2016年6月18日 · The uImage file is simply a wrapper on a file. You convert the uImage file into its original file(s) by simply removing the wrapper (and decompress the file only if the wrapper indicates it). The kernel image and dtb in that uImage should be handled in the same manner as the initramfs. So "extracting" one but keeping another "as is" makes no sense.

2015年8月24日 · make uImage mkimage -A <arch> -O linux -T kernel -C none -a <load-address> -e <entry-point> -n "Linux kernel" -d arch/arm/boot/zImage uImage or in the kernel source

2015年9月4日 · A partition for the kernel (here goes uImage.bin) A partition for the rootfs; Now i have few questions from my side :-- 1> 32 bit ARM MCU have many external memory interfaces like DRAM & NAND or NOR flash connected to it. How wil our 32 bit ARM MCU will know from which address place on NAND to fetch the Uboot from ?

2017年10月6日 · I checked the uImage header using hexdump and could see loadaddr and entry point address. In my case both loadaddr and entry point addr are same. #hexdump uImage | head -2 0000000 0527 5619 5b20 01e4 bf55 da50 6000 a8d5 0000010 0080 0080 0080 0080 5f32 d5d4 0205 0002 –

2019年12月13日 · vmlinux is the uncompressed kernel binary whereas uImage is the kernel with U-Boot header (a la FIT image). If you are booting from U-Boot you should only require the uImage file. If you are booting from U-Boot you should only require the uImage file.

2014年4月1日 · mkimage -A arm -O linux -T kernel -C none -a 0x80008000 -e 0x80008000 -n "Linux kernel" -d arch/arm/boot/zImage uImage The mkimage utility comes with the u-boot-tools package in Ubuntu (if that's what you're using), and it can be installed with the command sudo apt-get install u-boot-tools