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# Install Vivado in /opt and add to /etc/nixos/configuration.nix:
# nix.sandboxPaths = ["/opt"];
{ pkgs
, vivado ? import ./fast/vivado.nix { inherit pkgs; }
, board-generated
, version
}:
let
# Funnelling the source code through a Nix string allows dropping
# all dependencies via `unsafeDiscardStringContext`.
discardContextFromPath = { name, src }:
let
packed = pkgs.stdenv.mkDerivation {
name = "${name}.nar.base64";
buildInputs = [ pkgs.nix ];
phases = [ "installPhase" ];
installPhase = "nix-store --dump ${src} | base64 -w0 > $out";
};
unpacked = archive:
pkgs.stdenvNoCC.mkDerivation {
name = builtins.unsafeDiscardStringContext name;
phases = [ "installPhase" ];
buildInputs = [ pkgs.nix ];
installPhase = "base64 -d < ${archive} | nix-store --restore $out";
};
in
unpacked (
builtins.toFile "${builtins.unsafeDiscardStringContext name}.nar.base64" (
builtins.unsafeDiscardStringContext (
builtins.readFile packed
))) ;
in
{ target
, variant
, extraInstallCommands ? ""
, ... }:
let
name = "artiq-board-${target}-${variant}-${version}";
installPath = builtins.unsafeDiscardStringContext "${pkgs.python3Packages.python.sitePackages}/artiq/board-support/${target}-${variant}";
generated = board-generated."artiq-board-${target}-${variant}";
identifierStr = "${version};${variant}";
identifiers = import (
pkgs.runCommandLocal "${name}-identifiers.nix" {
buildInputs = [ pkgs.python3 ];
} ''python ${./generate-identifier.py} "${identifierStr}" > $out''
);
# Depends on just Vivado and the generated Bitstream source
vivadoCheckpoint = pkgs.stdenvNoCC.mkDerivation {
name = builtins.unsafeDiscardStringContext "${name}-vivado-checkpoint";
src = discardContextFromPath {
name = "${name}-gateware";
src = "${generated}/gateware";
};
buildInputs = [ vivado pkgs.nix ];
buildPhase = ''
vivado -mode batch -source top_route.tcl
'';
installPhase = ''
mkdir -p $out
chmod a+r top_route.dcp
cp top_route.dcp $out
cp top_bitstream.tcl $out
'';
};
vivadoOutput = pkgs.stdenvNoCC.mkDerivation {
name = builtins.unsafeDiscardStringContext "${name}-vivado-output";
src = vivadoCheckpoint;
buildInputs = [ vivado ];
buildPhase =
''
cat >top.tcl <<EOF
open_checkpoint top_route.dcp
'' +
(pkgs.lib.concatMapStrings ({ cell, init }:
''
set_property INIT ${init} [get_cell ${cell}]
''
) identifiers) +
''
source "top_bitstream.tcl"
EOF
vivado -mode batch -source top.tcl
'';
installPhase = ''
TARGET_DIR=$out/${installPath}
mkdir -p $TARGET_DIR
chmod a+r top.bit
cp top.bit $TARGET_DIR/
'';
# temporarily disabled because there is currently always at least one Kasli bitstream
# that fails timing and blocks the conda channel.
doCheck = false;
checkPhase = ''
# Search for PCREs in the Vivado output to check for errors
check_log() {
set +e
grep -Pe "$1" vivado.log
FOUND=$?
set -e
if [ $FOUND != 1 ]; then
exit 1
fi
}
check_log "\d+ constraint not met\."
check_log "Timing constraints are not met\."
'';
};
in
pkgs.python3Packages.toPythonModule (
pkgs.buildEnv rec {
inherit name;
paths = [ generated vivadoOutput ];
pathsToLink = [ "/${installPath}" ];
})