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FirmwareSanity is a RDK-B component that validates the firmware of the Broadband gateway. The gateway sets firmware validity flag to FALSE after downloading new firmware, prior to rebooting. If firmware validity flag is FALSE at boot, broadband gateway:
A check is put in place as part of this component to avoid a scenario where a newly downloaded image crashes right after bootup and end up in a loop where it boots up and crashes continuously, we mark the new image as “good” once it has
Once the newly downloaded image is confirmed as “good” only then we update the bootloader to flag that the bootloader can pick this image on subsequent reboots.
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Validation can be done by