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tegra-boot-control.md

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tegra-boot-control

This tool replaces the nvbootctrl program provided with the L4T BSP, and can be used to display or modify the boot slots on a tegra186 (TX2) or tegra194 (Xavier) based platform.

Differences from nvbootctrl

  • The interface is different, using option specifiers instead of commands. Output from the the --status operation uses different formatting than nvbootctrl dump-slots-info.
  • For the --mark-successful operation, if the boot slot being marked successful is also the current boot slot, the slot priority is automatically reset to the highest value (15), rather than requiring a separate --set-active operation to do this, which ensures that the current boot slot remains the default active boot slot on subsequent reboots.

A script is included to emulate the nvbootctrl command line interface using this tool.