From 41b94d29a1eb4253845d961118960d07d976ffc8 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Mon, 7 Oct 2019 12:19:31 +0800
Subject: [PATCH] artiq-board: allow absence of bootloader

The Sayma RTM FPGA does not have one.
---
 artiq-fast/artiq-board.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/artiq-fast/artiq-board.nix b/artiq-fast/artiq-board.nix
index 7e42596..7d3b385 100644
--- a/artiq-fast/artiq-board.nix
+++ b/artiq-fast/artiq-board.nix
@@ -85,7 +85,9 @@ in pkgs.python3Packages.toPythonModule (pkgs.stdenv.mkDerivation rec {
     TARGET_DIR=$out/${pkgs.python3Packages.python.sitePackages}/artiq/board-support/${target}-${variant}
     mkdir -p $TARGET_DIR
     cp artiq_${target}/${variant}/gateware/top.bit $TARGET_DIR
-    cp artiq_${target}/${variant}/software/bootloader/bootloader.bin $TARGET_DIR
+    if [ -e artiq_${target}/${variant}/software/bootloader/bootloader.bin ]
+    then cp artiq_${target}/${variant}/software/bootloader/bootloader.bin $TARGET_DIR
+    fi
     if [ -e artiq_${target}/${variant}/software/runtime ]
     then cp artiq_${target}/${variant}/software/runtime/runtime.{elf,fbi} $TARGET_DIR
     else cp artiq_${target}/${variant}/software/satman/satman.{elf,fbi} $TARGET_DIR