r4131 - dists/trunk/scripts

[Andres Salomon]

Author: dilinger
Date: 2005-09-06 06:53:52 +0000 (Tue, 06 Sep 2005)
New Revision: 4131

Added:
   dists/trunk/scripts/testconfigs
Log:
add a little dohickey for testing configs for all arches


Added: dists/trunk/scripts/testconfigs
===================================================================
--- dists/trunk/scripts/testconfigs	2005-09-06 06:40:34 UTC (rev 4130)
+++ dists/trunk/scripts/testconfigs	2005-09-06 06:53:52 UTC (rev 4131)
@@ -0,0 +1,160 @@
+#!/usr/bin/python
+# testconfigs - test all flavour configs by running oldconfig on them; if it
+# hangs for any reason, you're missing some config options.
+#
+#    Copyright (c) 2005  Andres Salomon <dilinger at debian.org>
+#    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; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    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
+#
+
+import os
+import glob
+import string
+
+class Kernel:
+	def __init__(self, root = ''):
+		if root:
+			self.root = root
+		else:
+			self.root = '.'  # os.getcwd() may be more portable?
+
+	def is_source_tree(self):
+		"""
+		Ensure that the current working directory is the root of a
+		source tree.
+		"""
+		try:
+			os.stat('%s/scripts/kconfig/conf.c' % self.root)
+		except:
+			return 0
+		return 1
+
+	def is_debianized(self):
+		"""
+		Determine whether the source tree we're in is a proper
+		Debian-ized source tree or not.
+		"""
+		try:
+			os.stat('%s/debian/changelog' % self.root)
+			os.stat('%s/debian/control' % self.root)
+			os.stat('%s/debian/arch/config' % self.root)
+		except:
+			return 0
+		return 1
+	
+	def arches(self):
+		"""
+		Return a list of all architectures that we have (Debian)
+		config directories for.
+		"""
+		base = '%s/debian/arch' % self.root
+		testdir = (lambda entry: os.path.isdir(base + '/%s' % entry))
+		return filter(testdir, os.listdir(base))
+	
+	def subarches(self):
+		pass  # one of these days we'll implement this..
+	
+	def flavours(self, arch = ''):
+		"""
+		Return a list of flavours for a given architecture; or, if none is
+		supplied, a list of all flavours for all archs.
+		"""
+		arches = []
+		if arch:
+			arches += [ arch ]
+		else:
+			arches = self.arches()
+		
+		flavours = []
+		for a in arches:
+			base = '%s/debian/arch/%s' % (self.root, a)
+			flav = glob.glob1(base, 'config.*')
+			flavours += [ string.replace(f, 'config.', '') for f in flav ]
+		return flavours
+	
+	def is_valid_dotconfig(self):
+		"""
+		Test whether there are any options in the kernel kconfig that are not
+		answered/set in the existing .config file.
+		"""
+		c = glob.glob1(self.root, '.config.*')
+		if len(c) != 1:
+			raise RuntimeError('Cannot find arch/flavour config file')
+		a, f = c[0].split('.')[2:4]
+		cmd = 'make silentoldconfig ARCH=' + self.to_upstream_arch(a, f)
+		if os.system(cmd + ' </dev/null >/dev/null 2>&1') is 0:
+			return 1
+		return 0
+	
+	def gen_dotconfig(self, arch, flavour):
+		"""
+		Create a .config file given an arch and flavour.
+		"""
+		# XXX: missing subarch support
+		map(os.unlink, glob.glob1(self.root, '.config*'))
+
+		base = '%s/debian/arch' % self.root
+		fp = open('%s/.config' % self.root, 'w')
+		for c in [ '%s/config' % base,
+				'%s/%s/config' % (base, arch),
+				'%s/%s/config.%s' % (base, arch, flavour) ]:
+			if os.path.isfile(c):
+				config = open(c, 'r')
+				fp.write(config.read())
+				config.close()
+		fp.close()
+		os.link('%s/.config' % self.root,
+				'%s/.config.%s.%s' % (self.root, arch, flavour))
+
+	def to_upstream_arch(self, arch, flavour):
+		"""
+		What debian calls an arch does not always map directly to
+		what upstream calls an arch; for example, what we call amd64
+		is upstream's x86_64.  Even worse, some of our flavours run
+		across multiple upstream arches; for example, our sparc
+		flavours are actually upstream's "sparc" and "sparc64" arches.
+
+		This methods takes a debian arch and flavour, and returns the
+		corresponding upstream arch.
+		"""
+
+		archmap = {
+			'amd64': 'x86_64',
+			'hppa': 'parisc',
+		}
+		flavourmap = {
+			'sparc64': 'sparc64',
+			'sparc64-smp': 'sparc64',
+			'powerpc': 'ppc',
+			'powerpc-smp': 'ppc',
+			'powerpc64': 'ppc64',
+		}
+
+		if flavour in flavourmap:
+			return flavourmap[flavour]
+		if arch in archmap:
+			return archmap[arch]
+		return arch
+
+if __name__ == '__main__':
+	k = Kernel()
+	if not k.is_source_tree():
+		raise RuntimeError('This script must be run from the top-level of a kernel source tree!')
+	for arch in k.arches():
+		for flavour in k.flavours(arch):
+			k.gen_dotconfig(arch, flavour)
+			if not k.is_valid_dotconfig():
+				print '[ERROR]: %s flavour (for arch %s) is incomplete!' % (arch, flavour)
+			else:
+				print "[SUCCESS] arch: %s, flavour: %s" % (arch, flavour)


Property changes on: dists/trunk/scripts/testconfigs
___________________________________________________________________
Name: svn:executable
   + *