diff --git a/nur.nix b/nur.nix
index 226f9c1..da953a5 100644
--- a/nur.nix
+++ b/nur.nix
@@ -14,4 +14,87 @@
       rev = "nix-support";
       hash = "sha256-xFc8J8tlw6i+FbTC05nrlvQIXRmguFzDqh+SQOR54TE=";
     }; in pkgs.callPackage "${repo}/default.nix" {};
+
+  qemu-espressif = let
+    keycodemapdb = pkgs.fetchFromGitLab {
+      owner = "qemu-project";
+      repo = "keycodemapdb";
+      rev = "f5772a62ec52591ff6870b7e8ef32482371f22c6";
+      hash = "sha256-GbZ5mrUYLXMi0IX4IZzles0Oyc095ij2xAsiLNJwfKQ=";
+    };
+    berkeley-softfloat-3 = pkgs.fetchFromGitLab {
+      owner = "qemu-project";
+      repo = "berkeley-softfloat-3";
+      rev = "b64af41c3276f97f0e181920400ee056b9c88037";
+      hash = "sha256-Yflpx+mjU8mD5biClNpdmon24EHg4aWBZszbOur5VEA=";
+    };
+    berkeley-testfloat-3 = pkgs.fetchFromGitLab {
+      owner = "qemu-project";
+      repo = "berkeley-testfloat-3";
+      rev = "e7af9751d9f9fd3b47911f51a5cfd08af256a9ab";
+      hash = "sha256-inQAeYlmuiRtZm37xK9ypBltCJ+ycyvIeIYZK8a+RYU=";
+    };
+    dtc = pkgs.fetchFromGitLab {
+      owner = "qemu-project";
+      repo = "dtc";
+      rev = "b6910bec11614980a21e46fbccc35934b671bd81";
+      hash = "sha256-gx9LG3U9etWhPxm7Ox7rOu9X5272qGeHqZtOe68zFs4=";
+    };
+    libblkio = pkgs.fetchFromGitLab {
+      owner = "qemu-project";
+      repo = "libblkio";
+      rev = "f84cc963a444e4cb34813b2dcfc5bf8526947dc0";
+    };
+    libvfio-user = pkgs.fetchFromGitLab {
+      owner = "qemu-project";
+      repo = "libvfio-user";
+      rev = "0b28d205572c80b568a1003db2c8f37ca333e4d7";
+      hash = "sha256-V05nnJbz8Us28N7nXvQYbj66LO4WbVBm6EO+sCjhhG8=";
+    };
+    libslirp = pkgs.fetchFromGitLab {
+      owner = "qemu-project";
+      repo = "libslirp";
+      rev = "26be815b86e8d49add8c9a8b320239b9594ff03d";
+      hash = "sha256-6LX3hupZQeg3tZdY1To5ZtkOXftwgboYul792mhUmds=";
+    };
+    qemu-src = pkgs.fetchurl {
+      url = "https://github.com/espressif/qemu/releases/download/esp-develop-8.2.0-20240122/qemu-esp_develop_8.2.0_20240122-src.tar.xz";
+      hash = "sha256-5nuibo0OV63sSIAv3EgZJ5artVMyfSnNfnmEsc0jMGk=";
+    };
+    berkeley-softfloat-3-patched = pkgs.stdenv.mkDerivation {
+      name = "berkeley-softfloat-3-patched";
+      src = qemu-src;
+      dontConfigure = true;
+      dontBuild = true;
+      installPhase = ''
+        mkdir -p $out
+        cp -r ${berkeley-softfloat-3}/* $out
+        cp -r subprojects/packagefiles/berkeley-softfloat-3/* $out
+      '';
+    };
+    berkeley-testfloat-3-patched = pkgs.stdenv.mkDerivation {
+      name = "berkeley-testfloat-3-patched";
+      src = qemu-src;
+      dontConfigure = true;
+      dontBuild = true;
+      installPhase = ''
+        mkdir -p $out
+        cp -r ${berkeley-testfloat-3}/* $out
+        cp -r subprojects/packagefiles/berkeley-testfloat-3/* $out
+      '';
+    };
+  in pkgs.qemu.overrideAttrs {
+      # ln -sf ${libblkio} $(pwd)/subprojects/libblkio
+    preConfigure = ''
+      cpp --version
+      echo hooooooooooooooooooooo
+      ln -sf ${keycodemapdb} $(pwd)/subprojects/keycodemapdb
+      ln -sf ${berkeley-softfloat-3-patched} $(pwd)/subprojects/berkeley-softfloat-3
+      ln -sf ${berkeley-testfloat-3-patched} $(pwd)/subprojects/berkeley-testfloat-3
+      ln -sf ${dtc} $(pwd)/subprojects/dtc
+      ln -sf ${libvfio-user} $(pwd)/subprojects/libvfio-user
+      ln -sf ${libslirp} $(pwd)/subprojects/libvfio
+    '';
+    src = qemu-src;
+  };
 }