Using The mkimage Tool To Create U-Boot Images

U-Boot supports a number of different image formats that can be downloaded, saved to flash and executed. The types of such image files supported by U-Boot, include:

• Linux kernels,
• script files,
• Standalone binaries,
• RAM disk images.

These images are often referred to as a ".ub" files, as that is the file extension name that is often used to name them.