def prepare(self):
"""
Prepare directory structure for System C.
"""
self.mount_tmpfs()
if not self.chroot:
# Create + mount a disk for QEMU to use
disk_path = os.path.join(self.tmp_dir, 'disk.img')
self.dev_name = create_disk(disk_path, "msdos", "ext4", '8G')
self.rootfs_dir = os.path.join(self.tmp_dir, 'mnt')
os.mkdir(self.rootfs_dir)
mount(self.dev_name + "p1", self.rootfs_dir, 'ext4')
# Use chown to allow executing user to access it
run('sudo', 'chown', getpass.getuser(), self.dev_name)
run('sudo', 'chown', getpass.getuser(), self.rootfs_dir)
else:
self.rootfs_dir = self.tmp_dir
self.get_packages()
copytree(self.sys_dir,
self.rootfs_dir,
ignore=shutil.ignore_patterns("tmp"))
# Unmount tmp/mnt if it exists
if not self.chroot:
umount(self.rootfs_dir)
def get_file(self, url, mkbuild=False, output=None):
"""
Download and prepare source packages
url can be either:
1. a single URL
2. list of URLs to download. In this case the first URL is the primary URL
from which we derive the name of package directory
output can be used to override file name of the downloaded file(s).
mkbuild=True can be used to pre-create build directories before
mkdir is available.
"""
# Single URL
if isinstance(url, str):
assert output is None or isinstance(output, str)
file_name = url if output is None else output
urls = [url]
outputs = [output]
# Multiple URLs
elif isinstance(url, list):
assert output is None or len(output) == len(url)
file_name = url[0] if output is None else output[0]
urls = url
outputs = output if output is not None else [None] * len(url)
else:
raise TypeError("url must be either a string or a list of strings")
# Determine installation directory
target_name = get_target(file_name)
target_src_dir = os.path.join(self.after_dir, target_name, 'src')
# Install base files
src_tree = os.path.join(self.sysa_dir, target_name)
copytree(src_tree, self.after_dir)
if not os.path.isdir(target_src_dir):
os.mkdir(target_src_dir)
for i, _ in enumerate(urls):
# Download files into cache directory
tarball = self.download_file(urls[i], outputs[i])
# Install sources into target directory
shutil.copy2(tarball, target_src_dir)
if mkbuild:
os.mkdir(os.path.join(self.after_dir, target_name, 'build'))
def stage0_posix(self):
"""Copy in all the stage0-posix (formerly known as mescc-tools-seed)"""
mescc_tools_seed_base_dir = os.path.join(self.sysa_dir, 'mescc-tools-seed',
'src', 'mescc-tools-seed')
mescc_tools_seed_dir = os.path.join(mescc_tools_seed_base_dir, self.arch)
copy_tree(mescc_tools_seed_dir, self.tmp_dir)
m2_planet_dir = os.path.join(mescc_tools_seed_base_dir, 'M2-Planet')
copytree(m2_planet_dir, self.tmp_dir)
# At the moment not useful for bootstrap but easier to keep it
mes_m2_dir = os.path.join(mescc_tools_seed_base_dir, 'mes-m2')
copytree(mes_m2_dir, self.tmp_dir)
mescc_tools_patched_dir = os.path.join(self.sysa_dir, 'mescc-tools-seed',
'src', 'mescc-tools-patched')
shutil.copytree(mescc_tools_patched_dir,
os.path.join(self.tmp_dir, 'mescc-tools'), shutil.ignore_patterns('*.git*'))
# bootstrap seeds
bootstrap_seeds_dir = os.path.join(self.sysa_dir, 'bootstrap-seeds')
copytree(bootstrap_seeds_dir, self.tmp_dir)
kaem_optional_seed = os.path.join(bootstrap_seeds_dir, 'POSIX',
self.arch, 'kaem-optional-seed')
shutil.copy2(kaem_optional_seed, os.path.join(self.tmp_dir, 'init'))
# replace the init kaem with our own custom one
shutil.move(os.path.join(self.tmp_dir, 'kaem.run'),
os.path.join(self.tmp_dir, 'mescc-tools-seed.kaem.run'))
shutil.copy2(os.path.join(self.sysa_dir, 'base.kaem.run'),
os.path.join(self.tmp_dir, 'kaem.run'))
# create directories needed
os.mkdir(os.path.join(self.tmp_dir, 'bin'))
def tcc_0_9_26(self):
"""TinyCC 0.9.26 (patched by janneke)"""
copytree(os.path.join(self.sysa_dir, 'tcc-0.9.26'), self.after_dir)
def mes(self):
"""GNU Mes"""
copytree(os.path.join(self.sysa_dir, 'mes'), self.after_dir)
mes_dir = os.path.join(self.after_dir, 'mes', 'src', 'mes')
os.mkdir(os.path.join(mes_dir, 'bin'))
os.mkdir(os.path.join(mes_dir, 'm2'))
def mescc_tools_extra(self):
"""Some additional tools such as cp and chmod (for M2-Planet)"""
copytree(os.path.join(self.sysa_dir, 'mescc-tools-extra'), self.after_dir)
