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tftp: introduce the FIT enclosing boot.scr

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This simplify TFTP.

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
This commit is contained in:
Raito Bezarius 2024-08-26 17:58:40 +02:00
parent afe9d2211b
commit 5b5b527f92
2 changed files with 50 additions and 0 deletions
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14
modules/outputs/tftpboot-fit.its Normal file
View file

@ -0,0 +1,14 @@
/dts-v1/;
/ {
description = "Liminix TFTP bootscript";
#address-cells = <1>;
images {
bootscript {
description = "Bootscript";
data = /incbin/("boot.scr");
type = "script";
compression = "none";
};
};

36
modules/outputs/tftpboot.nix
View file

@ -51,11 +51,47 @@ in {
It uses the Linux `phram <https://github.com/torvalds/linux/blob/master/drivers/mtd/devices/phram.c>`_ driver to emulate a flash device using a segment of physical RAM.
'';
};
tftpboot-fit = mkOption {
type = types.package;
description = ''
tftpboot-fit
************
This output is a variant that encloses the `boot.scr` in a FIT
if that's simpler to transfer for you.
'';
};
};
config = {
boot.ramdisk.enable = true;
system.outputs = rec {
tftpboot-fit =
let
tftpboot-fit = pkgs.writeText "tftpboot.its" ''
/dts-v1/;
/ {
description = "Liminix TFTP bootscript";
#address-cells = <1>;
images {
bootscript {
description = "Bootscript";
data = /incbin/("${tftpboot}/boot.scr");
type = "script";
compression = "none";
};
};
};
'';
in
pkgs.runCommand "tftpboot-fit" { nativeBuildInputs = with pkgs.pkgsBuildBuild; [ ubootTools ]; } ''
mkdir -p $out/
cp -rf ${tftpboot}/* $out/
mkimage -f ${tftpboot-fit} $out/script.ub
'';
tftpboot =
let
inherit (pkgs.lib.trivial) toHexString;