Introduce support for overriding system's DeviceTree #3346
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behrmann
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DaanDeMeyer
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@andersson You resolved some conversations but didn't push, maybe you forgot? |
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@DaanDeMeyer no I didn't push, I was waiting for your confirmation on the install_type1() rework. I marked them as resolved as they where trivial and I wanted to de-clutter the PR view. Perhaps I'm using Github wrong? I've updated and pushed a new version now. Thank you. |
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While experimenting with OS images on development boards where either the bootloader doesn't load a Flattened DeviceTree Blob, or if one wants to replace the one provided by the bootloader with a specific/new one for development/experimentation/testing purposes, it's convenient to use the OS-loaders ability to load a specific DeviceTree blob. Add a new option to mkosi, to cause a specified DeviceTree blob to be baked into the UKI, or copied into /boot and added to the systemd loader entry. As different distributions store the dtb files in different locations the requested file is searched for in the locations spotted in Debian, Fedora, Arch Linux packages (both from distro and kernel build system - as these differs as well). Resolves systemd#2439 Based on initial effort by Manuel Traut. Signed-off-by: Bjorn Andersson <[email protected]>
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While experimenting with OS images on development boards where either the bootloader doesn't load a Flattened DeviceTree Blob, or if one wants to replace the one provided by the bootloader with a specific/new one for development/experimentation/testing purposes, it's convenient to use the OS-loaders ability to load a specific DeviceTree blob.
Add a new option to mkosi, to cause a specified DeviceTree blob to be baked into the UKI, or copied into /boot and added to the systemd loader entry.
As different distributions store the dtb files in different locations the requested file is searched for in the locations spotted in Debian, Fedora, Arch Linux packages (both from distro and kernel build system - as these differs as well).
Resolves #2439
Based on initial effort by Manuel Traut.