mirror of
https://github.com/NixOS/mobile-nixos.git
synced 2024-12-15 19:23:01 +03:00
initrd: Refactors module for new init
New init coming in a separate commit
This commit is contained in:
Samuel Dionne-Riel
parent
1e21263c7e
commit
228df26d6c
@ -1,9 +1,110 @@
|
||||
{ config, pkgs, ... }:
|
||||
{ config, pkgs, lib, ... }:
|
||||
|
||||
let
|
||||
inherit (pkgs)
|
||||
busybox
|
||||
makeInitrd
|
||||
mkExtraUtils
|
||||
runCommandNoCC
|
||||
udev
|
||||
;
|
||||
inherit (lib) flatten optionals;
|
||||
|
||||
device_config = config.mobile.device;
|
||||
device_name = device_config.name;
|
||||
|
||||
stage-1 = config.mobile.boot.stage-1;
|
||||
|
||||
mobile-nixos-init = pkgs.pkgsStatic.callPackage ../boot/init {};
|
||||
init = "${mobile-nixos-init}/bin/init";
|
||||
|
||||
contents =
|
||||
(optionals (stage-1 ? contents) (flatten stage-1.contents))
|
||||
++ [
|
||||
# Populate /bin/sh to stay POSIXLY compliant.
|
||||
# FIXME: Do we care?
|
||||
#{ object = "${extraUtils}/bin/sh"; symlink = "/bin/sh"; }
|
||||
|
||||
# FIXME: udev/udevRules module.
|
||||
{ object = udevRules; symlink = "/etc/udev/rules.d"; }
|
||||
{ object = init; symlink = "/init"; }
|
||||
]
|
||||
;
|
||||
|
||||
udevRules = runCommandNoCC "udev-rules" {
|
||||
allowedReferences = [ extraUtils ];
|
||||
preferLocalBuild = true;
|
||||
} ''
|
||||
mkdir -p $out
|
||||
|
||||
# These 00-env rules are used both by udev to set the environment, and
|
||||
# by our bespoke init.
|
||||
# This makes it a one-stop-shop for preparing the init environment.
|
||||
echo 'ENV{LD_LIBRARY_PATH}="${extraUtils}/lib"' > $out/00-env.rules
|
||||
echo 'ENV{PATH}="${extraUtils}/bin"' >> $out/00-env.rules
|
||||
|
||||
cp -v ${udev}/lib/udev/rules.d/60-cdrom_id.rules $out/
|
||||
cp -v ${udev}/lib/udev/rules.d/60-persistent-storage.rules $out/
|
||||
cp -v ${udev}/lib/udev/rules.d/80-drivers.rules $out/
|
||||
cp -v ${pkgs.lvm2}/lib/udev/rules.d/*.rules $out/
|
||||
|
||||
for i in $out/*.rules; do
|
||||
substituteInPlace $i \
|
||||
--replace ata_id ${extraUtils}/bin/ata_id \
|
||||
--replace scsi_id ${extraUtils}/bin/scsi_id \
|
||||
--replace cdrom_id ${extraUtils}/bin/cdrom_id \
|
||||
--replace ${pkgs.coreutils}/bin/basename ${extraUtils}/bin/basename \
|
||||
--replace ${pkgs.utillinux}/bin/blkid ${extraUtils}/bin/blkid \
|
||||
--replace ${pkgs.lvm2}/sbin ${extraUtils}/bin \
|
||||
--replace ${pkgs.mdadm}/sbin ${extraUtils}/sbin \
|
||||
--replace ${pkgs.bash}/bin/sh ${extraUtils}/bin/sh \
|
||||
--replace ${udev}/bin/udevadm ${extraUtils}/bin/udevadm
|
||||
done
|
||||
|
||||
# Work around a bug in QEMU, which doesn't implement the "READ
|
||||
# DISC INFORMATION" SCSI command:
|
||||
# https://bugzilla.redhat.com/show_bug.cgi?id=609049
|
||||
# As a result, `cdrom_id' doesn't print
|
||||
# ID_CDROM_MEDIA_TRACK_COUNT_DATA, which in turn prevents the
|
||||
# /dev/disk/by-label symlinks from being created. We need these
|
||||
# in the NixOS installation CD, so use ID_CDROM_MEDIA in the
|
||||
# corresponding udev rules for now. This was the behaviour in
|
||||
# udev <= 154. See also
|
||||
# http://www.spinics.net/lists/hotplug/msg03935.html
|
||||
substituteInPlace $out/60-persistent-storage.rules \
|
||||
--replace ID_CDROM_MEDIA_TRACK_COUNT_DATA ID_CDROM_MEDIA
|
||||
''; # */
|
||||
|
||||
extraUtils = mkExtraUtils {
|
||||
name = "${device_name}-extra-utils";
|
||||
packages = [
|
||||
busybox
|
||||
]
|
||||
++ optionals (stage-1 ? extraUtils) stage-1.extraUtils
|
||||
++ [{
|
||||
package = runCommandNoCC "empty" {} "mkdir -p $out";
|
||||
extraCommand =
|
||||
let
|
||||
inherit (pkgs) udev;
|
||||
in
|
||||
''
|
||||
# Copy udev.
|
||||
copy_bin_and_libs ${udev}/lib/systemd/systemd-udevd
|
||||
copy_bin_and_libs ${udev}/bin/udevadm
|
||||
for BIN in ${udev}/lib/udev/*_id; do
|
||||
copy_bin_and_libs $BIN
|
||||
done
|
||||
''
|
||||
;
|
||||
}]
|
||||
;
|
||||
};
|
||||
|
||||
initrd = makeInitrd {
|
||||
name = "initrd-${device_config.name}";
|
||||
inherit contents;
|
||||
};
|
||||
in
|
||||
{
|
||||
system.build.initrd = pkgs.callPackage ../systems/initrd.nix { inherit device_config stage-1; };
|
||||
}
|
||||
{
|
||||
system.build.initrd = "${initrd}/initrd";
|
||||
}
|
||||
|
||||
@ -1,136 +0,0 @@
|
||||
{
|
||||
# Configuration from the configuration system.
|
||||
device_config,
|
||||
stage-1 ? {},
|
||||
|
||||
busybox,
|
||||
|
||||
stdenvNoCC,
|
||||
makeInitrd,
|
||||
writeScript,
|
||||
|
||||
lib,
|
||||
mkExtraUtils,
|
||||
|
||||
# FIXME : udev specifics
|
||||
runCommandNoCC,
|
||||
udev,
|
||||
pkgs
|
||||
}:
|
||||
|
||||
# FIXME: get the udev specifics out of here.
|
||||
# The main issue is how `udevRules` needs a reference to `extraUtils`.
|
||||
# This means that `extraUtils` should be a build product of stage-1 in
|
||||
# system.build, that we can refer to when required.
|
||||
|
||||
let
|
||||
inherit (lib) optionals flatten;
|
||||
|
||||
device_name = device_config.name;
|
||||
|
||||
extraUtils = mkExtraUtils {
|
||||
name = device_name;
|
||||
packages = [
|
||||
busybox
|
||||
]
|
||||
++ optionals (stage-1 ? extraUtils) stage-1.extraUtils
|
||||
++ [{
|
||||
package = runCommandNoCC "empty" {} "mkdir -p $out";
|
||||
extraCommand =
|
||||
let
|
||||
inherit (pkgs) udev;
|
||||
in
|
||||
''
|
||||
# Copy udev.
|
||||
copy_bin_and_libs ${udev}/lib/systemd/systemd-udevd
|
||||
copy_bin_and_libs ${udev}/bin/udevadm
|
||||
for BIN in ${udev}/lib/udev/*_id; do
|
||||
copy_bin_and_libs $BIN
|
||||
done
|
||||
''
|
||||
;
|
||||
}]
|
||||
;
|
||||
};
|
||||
|
||||
shell = "${extraUtils}/bin/ash";
|
||||
|
||||
udevRules = runCommandNoCC "udev-rules" {
|
||||
allowedReferences = [ extraUtils ];
|
||||
preferLocalBuild = true;
|
||||
} ''
|
||||
mkdir -p $out
|
||||
|
||||
echo 'ENV{LD_LIBRARY_PATH}="${extraUtils}/lib"' > $out/00-env.rules
|
||||
|
||||
cp -v ${udev}/lib/udev/rules.d/60-cdrom_id.rules $out/
|
||||
cp -v ${udev}/lib/udev/rules.d/60-persistent-storage.rules $out/
|
||||
cp -v ${udev}/lib/udev/rules.d/80-drivers.rules $out/
|
||||
cp -v ${pkgs.lvm2}/lib/udev/rules.d/*.rules $out/
|
||||
|
||||
for i in $out/*.rules; do
|
||||
substituteInPlace $i \
|
||||
--replace ata_id ${extraUtils}/bin/ata_id \
|
||||
--replace scsi_id ${extraUtils}/bin/scsi_id \
|
||||
--replace cdrom_id ${extraUtils}/bin/cdrom_id \
|
||||
--replace ${pkgs.coreutils}/bin/basename ${extraUtils}/bin/basename \
|
||||
--replace ${pkgs.utillinux}/bin/blkid ${extraUtils}/bin/blkid \
|
||||
--replace ${pkgs.lvm2}/sbin ${extraUtils}/bin \
|
||||
--replace ${pkgs.mdadm}/sbin ${extraUtils}/sbin \
|
||||
--replace ${pkgs.bash}/bin/sh ${extraUtils}/bin/sh \
|
||||
--replace ${udev}/bin/udevadm ${extraUtils}/bin/udevadm
|
||||
done
|
||||
|
||||
# Work around a bug in QEMU, which doesn't implement the "READ
|
||||
# DISC INFORMATION" SCSI command:
|
||||
# https://bugzilla.redhat.com/show_bug.cgi?id=609049
|
||||
# As a result, `cdrom_id' doesn't print
|
||||
# ID_CDROM_MEDIA_TRACK_COUNT_DATA, which in turn prevents the
|
||||
# /dev/disk/by-label symlinks from being created. We need these
|
||||
# in the NixOS installation CD, so use ID_CDROM_MEDIA in the
|
||||
# corresponding udev rules for now. This was the behaviour in
|
||||
# udev <= 154. See also
|
||||
# http://www.spinics.net/lists/hotplug/msg03935.html
|
||||
substituteInPlace $out/60-persistent-storage.rules \
|
||||
--replace ID_CDROM_MEDIA_TRACK_COUNT_DATA ID_CDROM_MEDIA
|
||||
''; # */
|
||||
|
||||
# Just to keep track of this bit.
|
||||
udevFragment = ''
|
||||
mkdir -p /etc/udev
|
||||
|
||||
ln -sfn ${udevRules} /etc/udev/rules.d
|
||||
'';
|
||||
|
||||
stage1 = writeScript "stage1" ''
|
||||
#!${shell}
|
||||
|
||||
#
|
||||
# Basic necessary environment.
|
||||
#
|
||||
export PATH=${extraUtils}/bin/
|
||||
export LD_LIBRARY_PATH=${extraUtils}/lib
|
||||
mkdir -p /bin
|
||||
ln -sv ${shell} /bin/sh
|
||||
|
||||
# ---- stage-1.init START ----
|
||||
${udevFragment}
|
||||
${stage-1.init}
|
||||
# ---- stage-1.init END ----
|
||||
'';
|
||||
|
||||
ramdisk = makeInitrd {
|
||||
contents = [ { object = stage1; symlink = "/init"; } ]
|
||||
++ flatten stage-1.contents
|
||||
;
|
||||
};
|
||||
in
|
||||
stdenvNoCC.mkDerivation {
|
||||
name = "initrd-${device_name}";
|
||||
src = builtins.filterSource (path: type: false) ./.;
|
||||
unpackPhase = "true";
|
||||
|
||||
installPhase = ''
|
||||
cp ${ramdisk}/initrd $out
|
||||
'';
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user