.gitignore

@@ -1,4 +1,3 @@
 .rscons*
 /x86_64-elf-gcc/
 /build/
-/qemu/

Rsconscript

@@ -187,22 +187,15 @@ hello_env = env "hello", use: %w[ldc2 x86_64-w64-mingw32-gcc] do |env|
 end
 
 task "run", desc: "Run HOS in QEMU" do
-  FileUtils.rm_rf("qemu")
-  FileUtils.mkdir_p("qemu")
-  img = hello_env.expand("^/HOS.img")
-  FileUtils.cp(img, "qemu")
-  ovmf = "OVMF.fd"
-  if File.exist?("/usr/share/edk2/x64/OVMF.fd")
-    ovmf = "/usr/share/edk2/x64/OVMF.fd"
+  Dir.mktmpdir do |tmpdir|
+    img = hello_env.expand("^/HOS.img")
+    FileUtils.cp(img, tmpdir)
+    ovmf = "OVMF.fd"
+    if File.exist?("/usr/share/edk2/x64/OVMF.fd")
+      ovmf = "/usr/share/edk2/x64/OVMF.fd"
+    end
+    sh %W[qemu-system-x86_64 -cpu max -bios #{ovmf} -drive file=#{tmpdir}/HOS.img,format=raw -device qemu-xhci -device usb-tablet]
   end
-  sh %W[
-    qemu-system-x86_64
-    -cpu max
-    -serial file:qemu/serial.out
-    -bios #{ovmf}
-    -drive file=qemu/HOS.img,format=raw
-    -device qemu-xhci
-    -device usb-tablet]
 end
 
 # See README.md for how to set up VirtualBox for HOS.