boot-qemu.py: Quality of life improvements around virtiofs

1. Warn the user if CONFIG_VIRTIO_FS=y cannot be found in the configuration (or if the configuration cannot be found). 2. Print information about using the shared folder within the guest. Signed-off-by: Nathan Chancellor <[email protected]>
ClangBuiltLinux · Dec 9, 2022 · e6e34b0 · e6e34b0
1 parent f3dcc2f
commit e6e34b0
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/boot-qemu.py b/boot-qemu.py
@@ -874,6 +874,7 @@ def launch_qemu_fg(cfg):
         cfg (dict): The configuration dictionary generated with setup_cfg().
     """
     interactive = cfg["interactive"]
+    kernel_location = cfg["kernel_location"]
     qemu_cmd = cfg["qemu_cmd"] + ["-serial", "mon:stdio"]
     share_folder_with_guest = cfg["share_folder_with_guest"]
     timeout = cfg["timeout"]
@@ -885,6 +886,16 @@ def launch_qemu_fg(cfg):
         share_folder_with_guest = False
 
     if share_folder_with_guest:
+        if not get_config_val(kernel_location, 'CONFIG_VIRTIO_FS'):
+            utils.yellow(
+                'CONFIG_VIRTIO_FS may not be enabled in your configuration, shared folder may not work...'
+            )
+
+        # Print information about using shared folder
+        utils.green('To mount shared folder in guest (e.g. to /mnt/shared):')
+        utils.green('\t/ # mkdir /mnt/shared')
+        utils.green('\t/ # mount -t virtiofs shared /mnt/shared')
+
         shared_folder.mkdir(exist_ok=True, parents=True)
 
         virtiofsd_log = base_folder.joinpath('.vfsd.log')