cmake: emu: qemu: Create pipe file before using

For run_qemu and qemu_debugserver, the targets that use QEMU_PIPE, ensure that the QEMU_PIPE file exists before passing the path to QEMU as an argument. Signed-off-by: Abe Levkoy <[email protected]>
albayenes · Apr 4, 2023 · c919096 · c919096
1 parent 9f10881
commit c919096
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/cmake/emu/qemu.cmake b/cmake/emu/qemu.cmake
@@ -63,6 +63,10 @@ if(QEMU_PTY)
 elseif(QEMU_PIPE)
   # Redirect console to a pipe, used for running automated tests.
   list(APPEND QEMU_FLAGS -chardev pipe,id=con,mux=on,path=${QEMU_PIPE})
+  # Create the pipe file before passing the path to QEMU.
+  foreach(target ${qemu_targets})
+    list(APPEND PRE_QEMU_COMMANDS_FOR_${target} COMMAND ${CMAKE_COMMAND} -E touch ${QEMU_PIPE})
+  endforeach()
 else()
   # Redirect console to stdio, used for manual debugging.
   list(APPEND QEMU_FLAGS -chardev stdio,id=con,mux=on)