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genodepkgs/apps/nova-image/default.nix

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Nix

# SPDX-License-Identifier: CC0-1.0
{ stdenv, nixpkgs, dhallApps, packages }:
let inherit (packages) genodeSources base-nova;
in nixpkgs.writeScriptBin "nova-image" (with nixpkgs.buildPackages;
let inherit (stdenv) cc;
in ''
#!${runtimeShell}
set -eu
CC="${cc}/bin/${cc.targetPrefix}cc"
LD="${buildPackages.binutils}/bin/${buildPackages.binutils.targetPrefix}ld"
TMPDIR="$(${coreutils}/bin/mktemp -d)"
trap "rm -rf $TMPDIR" err exit
export DHALL_PRELUDE=${packages.dhallPrelude}/package.dhall
export DHALL_GENODE=${packages.dhallGenode}/package.dhall
${dhallApps.dhall.program} text \
<<< "(env:DHALL_GENODE).Init.render ($@).config" \
| ${nixpkgs.buildPackages.libxml2}/bin/xmllint \
-schema ${packages.genodeSources}/repos/os/src/init/config.xsd - \
| sed 's/&gt;/>/g' \
> $TMPDIR/config
${dhallApps.dhall.program} text \
<<< "(${../modules.as.dhall}).to64bitImage (${
../insert-config-rom.dhall
} \"$TMPDIR/config\" ($@).rom)" \
> "$TMPDIR/modules.as"
# compile the boot modules into one object file
$CC -c -x assembler -o "$TMPDIR/boot_modules.o" "$TMPDIR/modules.as"
# link final image
$LD --strip-all \
-T${genodeSources}/repos/base/src/ld/genode.ld \
-T${genodeSources}/repos/base-nova/src/core/core-bss.ld \
-z max-page-size=0x1000 \
-Ttext=0x100000 -gc-sections \
"''${CORE_OBJ:-${base-nova.coreObj}}" "$TMPDIR/boot_modules.o"
cat a.out
'')