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For A/B system update support the Android boot process requires to send
'androidboot.slot_suffix' parameter as a command line argument. This
patch implementes 'ab_select' command which allows us to obtain current
slot by processing the A/B metadata.
The patch was extracted from commit [1] with one modification: the
separator for specifying the name of metadata partition was changed
from ';' to '#', because ';' is used for commands separation.
[1] https://android-review.googlesource.com/c/platform/external/u-boot/+/729880/2
Signed-off-by: Ruslan Trofymenko <[email protected]>
Signed-off-by: Igor Opaniuk <[email protected]>
Reviewed-by: Alistair Strachan <[email protected]>
Reviewed-by: Sam Protsenko <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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