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-rw-r--r--scripts/lib/wic/utils/misc.py39
1 files changed, 39 insertions, 0 deletions
diff --git a/scripts/lib/wic/utils/misc.py b/scripts/lib/wic/utils/misc.py
index 9d750694df..d886d75b95 100644
--- a/scripts/lib/wic/utils/misc.py
+++ b/scripts/lib/wic/utils/misc.py
@@ -17,6 +17,7 @@
import os
import time
+import wic.engine
def build_name(kscfg, release=None, prefix=None, suffix=None):
"""Construct and return an image name string.
@@ -56,3 +57,41 @@ def build_name(kscfg, release=None, prefix=None, suffix=None):
ret = prefix + name + suffix
return ret
+
+def find_boot_config(scripts_path, boot_file):
+ """
+ Find a config file with the given name in the canned files dir.
+
+ Return False if not found
+ """
+ if os.path.exists(boot_file):
+ return boot_file
+
+ layers_canned_wks_dir = wic.engine.build_canned_image_list(scripts_path)
+ for canned_wks_dir in layers_canned_wks_dir:
+ for root, dirs, files in os.walk(canned_wks_dir):
+ for fname in files:
+ if fname == boot_file:
+ fullpath = os.path.join(canned_wks_dir, fname)
+ return fullpath
+
+ return None
+
+def get_custom_config(boot_file):
+ """
+ Get the custom configuration to be used for the bootloader.
+
+ Return None if the file can't be found.
+ """
+ scripts_path = os.path.abspath(os.path.dirname(__file__))
+ # Get the scripts path of poky
+ for x in range(0, 3):
+ scripts_path = os.path.dirname(scripts_path)
+
+ cfg_file = find_boot_config(scripts_path, boot_file)
+ if cfg_file:
+ with open(cfg_file, "r") as f:
+ config = f.read()
+ return config
+
+ return None