bootloader bootcount feature request - Raspberry Pi Forums
hello, i've been working u-boot , pi allow a/b/recovery partition scheme. u-boot has bootcount , altbootcmd allow booting alternative partition or recovery partition after x boot attempts. but, i've been struggling u-boot , custom compute module using emmc. wondering it possible bootcount , altbootcmd feature added default pi bootloader seems have no trouble using our custom compute module , emmc. around lines of in fat boot partition file called bootcount.txt with ------------- bootcount=n maxbootcount=3 altbootconfig=config_alt.txt ------------------ where: bootcount increment on each boot, os edit value back 0 on successful boot. maxbootcount specifies max boot attempt in if bootcount greater number bootloader use config altbootconfig instead of default config.txt add ability implement recovery partitions. -dorian i have nothing bootloader development. bootloader has ability write (modify) files? think has implemented reading part simplicity ...