Files
codezero/scripts/linux/build_rootfs.py
Bahadir Balban 403ab75805 Got the buildsystem to build multiple linux instances.
modified:   config/configuration.py
	modified:   config/projpaths.py
	modified:   configure.py
	modified:   scripts/linux/build_linux.py
	modified:   scripts/linux/build_rootfs.py
2009-09-13 18:29:57 +03:00

77 lines
2.4 KiB
Python
Executable File

#! /usr/bin/env python2.6
# -*- mode: python; coding: utf-8; -*-
#
# Codezero -- a microkernel for embedded systems.
#
# Copyright © 2009 B Labs Ltd
import os, sys, shelve, shutil
from os.path import join
PROJRELROOT = "../.."
SCRIPTROOT = os.path.abspath(os.path.dirname("."))
sys.path.append(os.path.abspath(PROJRELROOT))
from config.projpaths import *
from config.configuration import *
# Create linux kernel build directory path as:
# conts/linux -> build/cont[0-9]/linux
def source_to_builddir(srcdir, id):
cont_builddir = \
os.path.relpath(srcdir, \
PROJROOT).replace("conts", \
"cont" + str(id))
return join(BUILDDIR, cont_builddir)
class RootfsBuilder:
LINUX_ROOTFS_BUILDDIR = None
LINUX_ROOTFSDIR = None
rootfs_lds_in = None
rootfs_lds_out = None
rootfs_elf_out = None
def __init__(self, pathdict, container):
self.LINUX_ROOTFSDIR = pathdict["LINUX_ROOTFSDIR"]
# Determine build directory
self.LINUX_ROOTFS_BUILDDIR = \
source_to_builddir(self.LINUX_ROOTFSDIR, container.id)
def build_rootfs(self):
print 'Building the root filesystem...'
# IO files from this build
rootfs_lds_in = join(self.LINUX_ROOTFSDIR, "rootfs.lds.in")
rootfs_lds_out = join(self.LINUX_ROOTFS_BUILDDIR, "rootfs.lds")
rootfs_elf_out = join(self.LINUX_ROOTFS_BUILDDIR, "rootfs.elf")
os.chdir(LINUX_ROOTFSDIR)
if not os.path.exists(self.LINUX_ROOTFS_BUILDDIR):
os.makedirs(self.LINUX_ROOTFS_BUILDDIR)
os.system("arm-none-linux-gnueabi-cpp -P " + \
"%s > %s" % (rootfs_lds_in, rootfs_lds_out))
os.system("arm-none-linux-gnueabi-gcc " + \
"-nostdlib -o %s -T%s rootfs.S" % (rootfs_elf_out, rootfs_lds_out))
print "Done..."
return rootfs_lds_out
def clean(self):
print 'Cleaning the built root filesystem...'
if os.path.exists(self.LINUX_ROOTFS_BUILDDIR):
shutil.rmtree(self.LINUX_ROOTFS_BUILDDIR)
print 'Done...'
if __name__ == "__main__":
# This is only a default test case
container = Container()
container.id = 0
rootfs_builder = RootfsBuilder(projpaths, container)
if len(sys.argv) == 1:
rootfs_builder.build_rootfs()
elif "clean" == sys.argv[1]:
rootfs_builder.clean()
else:
print " Usage: %s [clean]" % (sys.argv[0])