diff --git a/flake.nix b/flake.nix
index 7c92442..7606d12 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,9 +21,9 @@
         packages = {
           default = self.packages.${system}.image;
           image = pkgs.writeShellScriptBin "image" ''
+            set -ex
             echo "make UKI..."
 
-            echo ${self.packages.${system}.kernel.kernel}/bzImage
             mkdir -p patos/efi/boot
             ${self.packages.${system}.systemd.out}/usr/bin/ukify build \
             --linux ${self.packages.${system}.kernel.kernel}/bzImage \
diff --git a/utils/qemu-uefi-tpm.nix b/utils/qemu-uefi-tpm.nix
index 7d1914c..e6a27f9 100644
--- a/utils/qemu-uefi-tpm.nix
+++ b/utils/qemu-uefi-tpm.nix
@@ -16,15 +16,15 @@ pkgs.writeShellApplication {
     in
     ''
       set -ex
-      # state="/tmp/patos-qemu-$USER"
-      # rm -rf "$state"
-      # mkdir -m 700 "$state"
-      # qemu-img create -f qcow2 -F raw -b "$(readlink -e "$1")" "$state/disk.qcow2" 10G
-      #
-      # swtpm socket -d --tpmstate dir="$state" \
-      #   --ctrl type=unixio,path="$state/swtpm-sock" \
-      #   --tpm2 \
-      #   --log level=20
+      state="/tmp/patos-qemu-$USER"
+      rm -rf "$state"
+      mkdir -m 700 "$state"
+      truncate -s 1G "$state/disk.raw"
+
+      swtpm socket -d --tpmstate dir="$state" \
+        --ctrl type=unixio,path="$state/swtpm-sock" \
+        --tpm2 \
+        --log level=20
 
       qemu-system-x86_64 \
         -enable-kvm \
@@ -34,10 +34,17 @@ pkgs.writeShellApplication {
         -m 4G \
         -display none \
         -nographic \
+        -chardev "stdio,id=char0,mux=on,logfile=$state/console.log,signal=off" \
+        -serial chardev:char0 \
+        -mon chardev=char0 \
         -drive "if=pflash,format=raw,unit=0,readonly=on,file=${tpmOVMF.firmware}" \
         -drive "if=pflash,format=raw,unit=1,readonly=on,file=${tpmOVMF.variables}" \
+        -chardev socket,id=chrtpm,path="$state/swtpm-sock" \
+        -tpmdev emulator,id=tpm0,chardev=chrtpm \
+        -device tpm-tis,tpmdev=tpm0 \
         -netdev id=net00,type=user,hostfwd=tcp::2222-:22 \
         -device virtio-net-pci,netdev=net00 \
-        -drive file=fat:rw:patos/,format=raw
+        -drive "file=fat:rw:patos/,format=raw" \
+        -drive "format=raw,file=$state/disk.raw"
     '';
 }