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builders/uimage: support aligning the FIT

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This is necessary when writing to a MTD partition with a certain erasesize.
This commit is contained in:
Raito Bezarius 2023-12-04 14:07:30 +01:00
parent c59364d623
commit dde8386f75
3 changed files with 4 additions and 2 deletions
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1
modules/hardware.nix
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@ -67,6 +67,7 @@ in {
}; };
loadAddress = mkOption { type = types.ints.unsigned; default = null; }; loadAddress = mkOption { type = types.ints.unsigned; default = null; };
entryPoint = mkOption { type = types.ints.unsigned; }; entryPoint = mkOption { type = types.ints.unsigned; };
alignment = mkOption { type = types.ints.unsigned; default = null; description = "Alignment passed to `mkimage` for FIT"; };
radios = mkOption { radios = mkOption {
description = '' description = ''
Kernel modules (from mac80211 package) required for the Kernel modules (from mac80211 package) required for the

2
modules/outputs.nix
View file

@ -111,7 +111,7 @@ in
}; };
uimage = liminix.builders.uimage { uimage = liminix.builders.uimage {
commandLine = concatStringsSep " " config.boot.commandLine; commandLine = concatStringsSep " " config.boot.commandLine;
inherit (config.hardware) loadAddress entryPoint; inherit (config.hardware) loadAddress entryPoint alignment;
inherit (config.boot) imageFormat; inherit (config.boot) imageFormat;
inherit (o) kernel dtb; inherit (o) kernel dtb;
}; };

3
pkgs/kernel/uimage.nix
View file

@ -20,6 +20,7 @@ in {
, extraName ? "" # e.g. socFamily , extraName ? "" # e.g. socFamily
, loadAddress , loadAddress
, imageFormat , imageFormat
, alignment ? null
, dtb ? null , dtb ? null
} : stdenv.mkDerivation { } : stdenv.mkDerivation {
name = "kernel.image"; name = "kernel.image";
@ -70,7 +71,7 @@ in {
}; };
}; };
_VARS _VARS
mkimage -f mkimage.its kernel.uimage mkimage -f mkimage.its ${lib.optionalString (alignment != null) "-B 0x${lib.toHexString alignment}"} kernel.uimage
mkimage -l kernel.uimage mkimage -l kernel.uimage
''; '';