On Sun, Apr 24, 2022 at 11:30:53PM -0600, Simon Glass wrote: > The bootflow feature provide a built-in way for U-Boot to automatically > boot an Operating System without custom scripting and other customisation. > This is called 'standard boot' since it provides a standard way for > U-Boot to boot a distro, without scripting. > > It introduces the following concepts: > > - bootdev - a device which can hold a distro > - bootmeth - a method to scan a bootdev to find bootflows (owned by > U-Boot) > - bootflow - a description of how to boot (owned by the distro) > > This series provides an implementation of these, enabled to scan for > bootflows from MMC, USB and Ethernet. It supports the existing distro > boot as well as the EFI loader flow (bootefi/bootmgr). It works > similiarly to the existing script-based approach, but is native to > U-Boot.
I've put most of this cover letter in the merge commit, and applied this to u-boot/master. This is an incremental starting point at providing a alternative way of constructing and controlling the load and execute OS stage of booting. There is some growth on most platforms for this, but it is a reasonable alternative and will be iterated on. -- Tom
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