[OpenWrt Wiki] Quick image building guide
openwrt.org › docs › guide-developerOct 15, 2021 · Quick image building guide See also: Using the toolchain, Using the Image Builder The goal of this guide is to let you build your own flashable firmware in as few simple steps as possible. The main advantage of building your own firmware is that it compresses the files, so that you will have room for much more stuff. It is particularly noticeable on routers with 16
[OpenWrt Wiki] Using the Image Builder
openwrt.org › additional-software › imagebuilderUsing the Image Builder See also: Image Builder frontends, Using the toolchain, Quick image building guide The Image Builder (previously called the Image Generator) is a pre-compiled environment suitable for creating custom images without the need for compiling them from source. It downloads pre-compiled packages and integrates them in a single flashable image.
[OpenWrt Wiki] Image formats
openwrt.org › docs › techrefuImage. This is an image format designed for U-Boot loader, generally consisting of a kernel with a header for information. Often a zImage with a 64 byte uImage header, which contains the load address & entry point of the zImage, so that uBoot knows what to do with it.
[OpenWrt Wiki] The OpenWrt Flash Layout
openwrt.org › docs › techrefThe OpenWrt Flash Layout The embedded devices (routers and such) OpenWrt/LEDE (Linux Embedded Development Environment) has mainly targeted since its inception, use flash memory as the form of non-volatile memory for the persistent storage of the firmware and its configuration.