wic: remove syslinux.py

This module contains singe function serial_console_form_kargs, which
is used only by rootfs_pcbios_ext plugin. Moved it there and removed
syslinux module to make it easy to find and mainain plugin code.

[YOCTO #10619]

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/wic/plugins/source/rootfs_pcbios_ext.py

@@ -19,13 +19,49 @@
 #
 
 import os
+import re
+
 from wic import msger
-from wic.utils import syslinux
 from wic.utils import runner
 from wic.utils.misc import get_bitbake_var, exec_cmd, exec_native_cmd
 from wic.utils.errors import ImageError
 from wic.pluginbase import SourcePlugin
 
+def serial_console_form_kargs(kernel_args):
+    """
+    Create SERIAL... line from kernel parameters
+
+    syslinux needs a line SERIAL port [baudrate [flowcontrol]]
+    in the syslinux.cfg file. The config line is generated based
+    on kernel boot parameters. The the parameters of the first
+    ttyS console are considered for syslinux config.
+    @param kernel_args kernel command line
+    @return line for syslinux config file e.g. "SERIAL 0 115200"
+    """
+    syslinux_conf = ""
+    for param in kernel_args.split():
+        param_match = re.match("console=ttyS([0-9]+),?([0-9]*)([noe]?)([0-9]?)(r?)", param)
+        if param_match:
+            syslinux_conf += "SERIAL " + param_match.group(1)
+            # baudrate
+            if param_match.group(2):
+                syslinux_conf += " " + param_match.group(2)
+            # parity
+            if param_match.group(3) and param_match.group(3) != 'n':
+                msger.warning("syslinux does not support parity for console. {} is ignored."
+                              .format(param_match.group(3)))
+            # number of bits
+            if param_match.group(4) and param_match.group(4) != '8':
+                msger.warning("syslinux supports 8 bit console configuration only. {} is ignored."
+                              .format(param_match.group(4)))
+            # flow control
+            if param_match.group(5) and param_match.group(5) != '':
+                msger.warning("syslinux console flowcontrol configuration. {} is ignored."
+                              .format(param_match.group(5)))
+            break
+
+    return syslinux_conf
+
 
 # pylint: disable=no-init
 class RootfsPlugin(SourcePlugin):

scripts/lib/wic/utils/syslinux.py

@@ -1,58 +0,0 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; version 2 of the License
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-# for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc., 59
-# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# AUTHOR
-# Adrian Freihofer <adrian.freihofer (at] neratec.com>
-
-
-import re
-from wic import msger
-
-
-def serial_console_form_kargs(kernel_args):
-    """
-    Create SERIAL... line from kernel parameters
-
-    syslinux needs a line SERIAL port [baudrate [flowcontrol]]
-    in the syslinux.cfg file. The config line is generated based
-    on kernel boot parameters. The the parameters of the first
-    ttyS console are considered for syslinux config.
-    @param kernel_args kernel command line
-    @return line for syslinux config file e.g. "SERIAL 0 115200"
-    """
-    syslinux_conf = ""
-    for param in kernel_args.split():
-        param_match = re.match("console=ttyS([0-9]+),?([0-9]*)([noe]?)([0-9]?)(r?)", param)
-        if param_match:
-            syslinux_conf += "SERIAL " + param_match.group(1)
-            # baudrate
-            if param_match.group(2):
-                syslinux_conf += " " + param_match.group(2)
-            # parity
-            if param_match.group(3) and param_match.group(3) != 'n':
-                msger.warning("syslinux does not support parity for console. {} is ignored."
-                              .format(param_match.group(3)))
-            # number of bits
-            if param_match.group(4) and param_match.group(4) != '8':
-                msger.warning("syslinux supports 8 bit console configuration only. {} is ignored."
-                              .format(param_match.group(4)))
-            # flow control
-            if param_match.group(5) and param_match.group(5) != '':
-                msger.warning("syslinux console flowcontrol configuration. {} is ignored."
-                              .format(param_match.group(5)))
-            break
-
-    return syslinux_conf