Sebastian, Are you writing your own bootloader? If not each bootloader has a set of commands that the OEM writes. From Samsung to HTC to vendor X each does it different. Most boootloaders are based on the little Kernel
https://www.codeaurora.org/blogs/little-kernel-based-android-bootloader To find more in depth fastboot commands here is a slick post from XDA https://www.xda-developers.com/how-to-discover-hidden-fastboot-commands/ On Tue, Sep 19, 2017 at 11:26 AM 'Sebastian Priebe' via android-porting < android-porting@googlegroups.com> wrote: > Hello, > > I'm searching for information abound bootloader requirements for Android. > What are the duties and responsibilities of the bootloader? > > I have found the following topics but I'm lacking the details: > 1. bootloader shall support fastboot protocol > * which commands shall be supported (e.g. flash, unlock, ...)? > 2. bootloader shall handle commands from the BCB (bootloader control block) > * which commands must be supported (e.g. wipe data)? > * does the bootloader perform the factory-reset (i.e. wipe the userdata > partition)? > 3. for A/B updates: > * bootloader shall mark partitions unbootable > * bootloader shall provide a slot suffix in the kernel command line > * what else? > 4. bootloader shall support booting into recovery > > Where can I find documentation or examples for all these things? > > Am I missing some duties or responsibilities of the bootloader? > > Thx. > Sebastian > > -- > -- > unsubscribe: android-porting+unsubscr...@googlegroups.com > website: http://groups.google.com/group/android-porting > > --- > You received this message because you are subscribed to the Google Groups > "android-porting" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to android-porting+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting --- You received this message because you are subscribed to the Google Groups "android-porting" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-porting+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
