ci: common kernel build and embed ksud (#127)

scripts/bin2c.py

@@ -0,0 +1,51 @@
+#!/usr/bin/python3
+
+import argparse
+import os
+import re
+
+line_size = 80
+
+
+def bin2c(filename, varname='data'):
+    if not os.path.isfile(filename):
+        print('File "%s" is not found!' % filename)
+        return ''
+    if not re.match('[a-zA-Z_][a-zA-Z0-9_]*', varname):
+        print('Invalid variable name "%s"' % varname)
+        return
+    with open(filename, 'rb') as in_file:
+        data = in_file.read()
+    # limit the line length
+    byte_len = 6  # '0x00, '
+    out = 'unsigned int %s_size = %d;\n' \
+          'const char %s[%d] = {\n' % (varname, len(data), varname, len(data))
+    line = ''
+    for byte in data:
+        line += '0x%02x, ' % byte
+        if len(line) + 4 + byte_len >= line_size:
+            out += ' ' * 4 + line + '\n'
+            line = ''
+    # add the last line
+    if len(line) + 4 + byte_len < line_size:
+        out += ' ' * 4 + line + '\n'
+    # strip the last comma
+    out = out.rstrip(', \n') + '\n'
+    out += '};'
+    return out
+
+
+def main():
+    """ Main func """
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        'filename', help='filename to convert to C array')
+    parser.add_argument(
+        'varname', nargs='?', help='variable name', default='data')
+    args = parser.parse_args()
+    # print out the data
+    print(bin2c(args.filename, args.varname))
+
+
+if __name__ == '__main__':
+    main()