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tegra-helper-scripts: fix RCM boot blob signing #1800

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merged 1 commit into from
Jan 12, 2025

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madisongh
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With L4T R36.4, the odmsign.func script now supports signing the RCM boot blob used for the initrd-based flashing process. While the initrd-flash script was updated to handle this, more changes are needed to handle signing all binaries during the build.

  • Update the flash helper script to run signing on the RCM boot blob when needed.

  • Update the initrd-flash script to drop the extra helper invocation for signing the RCM boot blob, since that is now covered with the normal signing step for the internal flash. And when pre-signed, initrd-flash just looks for the RCM boot blob in the subdirectory now created during build-time signing.

Fixes #1698

With L4T R36.4, the odmsign.func script now supports signing
the RCM boot blob used for the initrd-based flashing process.
While the initrd-flash script was updated to handle this, more
changes are needed to handle signing all binaries during the
build.

* Update the flash helper script to run signing on the RCM
  boot blob when needed.

* Update the initrd-flash script to drop the extra helper
  invocation for signing the RCM boot blob, since that is
  now covered with the normal signing step for the internal
  flash. And when pre-signed, initrd-flash just looks for
  the RCM boot blob in the subdirectory now created during
  build-time signing.

Signed-off-by: Matt Madison <[email protected]>
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@ichergui ichergui left a comment

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LGTM. Thanks @madisongh

@madisongh madisongh merged commit 1a91c51 into OE4T:master Jan 12, 2025
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@madisongh madisongh deleted the wip-rcmboot-signing-fixes branch January 12, 2025 13:19
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Issues flashing Jetson Orin nano devkit with TEGRA_SIGNING_ARGS set and fused keys
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