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32 lines
930 B
Nix
32 lines
930 B
Nix
# This module handles well-known "vendor" partitions.
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#
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# Relevant upstream documentation:
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# * https://www.kernel.org/doc/html/v4.14/driver-api/firmware/fw_search_path.html
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#
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# Note that we'll be using `firmware_class.path=/vendor/firmware` on the
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# command-line to make the firmware path known ASAP without requiring run-time
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# configuration. The NixOS stage-2 will configure `/sys/module/firmware_class/parameters/path`
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# as expected.
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{ config, lib, ... }:
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let
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device_info = config.mobile.device.info;
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vendor_device =
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if device_info ? vendor_partition
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then device_info.vendor_partition
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else null
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;
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in
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lib.mkMerge [
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(lib.mkIf (vendor_device != null) {
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# FIXME: add "firmware_class.path=/vendor/firmware" to kernel cmdline
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boot.specialFileSystems = {
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"/vendor" = {
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device = vendor_device;
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fsType = "ext4";
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options = [ "nosuid" "noexec" "nodev" ];
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};
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};
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})
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]
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