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# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2021-2023 Alyssa Ross <hi@alyssa.is>
import ../../lib/call-package.nix (
{ lseek, src, terminfo, pkgsMusl, pkgsStatic }:
pkgsStatic.callPackage (
{ lib, stdenvNoCC, runCommand, writeReferencesToFile
, erofs-utils, jq, s6-rc, util-linux
, busybox, cacert, dbus, execline, kmod, linux_latest, mdevd, s6, s6-linux-init
}:
let
inherit (lib) concatMapStringsSep;
packages = [
dbus execline kmod mdevd s6 s6-linux-init s6-rc
(busybox.override {
extraConfig = ''
CONFIG_DEPMOD n
CONFIG_INSMOD n
CONFIG_LSMOD n
CONFIG_MODINFO n
CONFIG_MODPROBE n
CONFIG_RMMOD n
'';
})
# Some packages can't (currently?) be built statically.
# https://github.com/nix-ocaml/nix-overlays/issues/698
pkgsMusl.wayland-proxy-virtwl
];
packagesSysroot = runCommand "packages-sysroot" {
inherit packages;
passAsFile = [ "packages" ];
} ''
mkdir -p $out/usr/bin $out/usr/share/dbus-1/services
ln -s ${concatMapStringsSep " " (p: "${p}/bin/*") packages} $out/usr/bin
ln -s ${dbus}/share/dbus-1/session.conf $out/usr/share/dbus-1
ln -st $out/usr/share/dbus-1/services \
${pkgsMusl.xdg-desktop-portal}/share/dbus-1/services/*.service \
${pkgsMusl.xdg-desktop-portal-gtk}/share/dbus-1/services/*.service
ln -s ${pkgsMusl.xdg-desktop-portal-gtk}/share/xdg-desktop-portal $out/usr/share
ln -s ${kernel}/lib "$out"
ln -s ${terminfo}/share/terminfo $out/usr/share
ln -s ${cacert}/etc/ssl $out/usr/share
'';
kernelTarget =
if stdenvNoCC.hostPlatform.isx86 then
# vmlinux.bin is the stripped version of vmlinux.
# Confusingly, compressed/vmlinux.bin is the stripped version of
# the top-level vmlinux target, while the top-level vmlinux.bin
# is the stripped version of compressed/vmlinux. So we use
# compressed/vmlinux.bin, since we want a stripped version of
# the kernel that *hasn't* been built to be compressed. Weird!
"compressed/vmlinux.bin"
else
stdenvNoCC.hostPlatform.linux-kernel.target;
kernel = (linux_latest.override {
structuredExtraConfig = with lib.kernel; {
DRM_FBDEV_EMULATION = lib.mkForce no;
EROFS_FS = yes;
EXPERT = yes;
FONTS = lib.mkForce unset;
FONT_8x8 = lib.mkForce unset;
FONT_TER16x32 = lib.mkForce unset;
FRAMEBUFFER_CONSOLE = lib.mkForce unset;
FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER = lib.mkForce unset;
FRAMEBUFFER_CONSOLE_DETECT_PRIMARY = lib.mkForce unset;
FRAMEBUFFER_CONSOLE_ROTATION = lib.mkForce unset;
VIRTIO = yes;
VIRTIO_BLK = yes;
VIRTIO_CONSOLE = yes;
VIRTIO_PCI = yes;
VT = no;
};
}).overrideAttrs ({ installFlags ? [], ... }: {
installFlags = installFlags ++ [
"KBUILD_IMAGE=$(boot)/${kernelTarget}"
];
});
in
stdenvNoCC.mkDerivation {
name = "spectrum-appvm";
src = lib.fileset.toSource {
root = ../..;
fileset = lib.fileset.intersection src (lib.fileset.unions [
./.
../../lib/common.mk
../../scripts/make-erofs.sh
../../scripts/make-gpt.sh
../../scripts/sfdisk-field.awk
]);
};
sourceRoot = "source/img/app";
nativeBuildInputs = [ erofs-utils jq lseek s6-rc util-linux ];
PACKAGES = [ packagesSysroot "/" ];
KERNEL = "${kernel}/${baseNameOf kernelTarget}";
shellHook = ''
PACKAGES+=" $(sed p ${writeReferencesToFile packagesSysroot} | tr '\n' ' ')"
'';
preBuild = ''
runHook shellHook
'';
makeFlags = [ "prefix=$(out)" ];
dontInstall = true;
enableParallelBuilding = true;
passthru = { inherit kernel packagesSysroot; };
meta = with lib; {
license = licenses.eupl12;
platforms = platforms.linux;
};
}
) {}) ({ foot }: { inherit (foot) terminfo; })
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