104 lines
3.0 KiB
Python
104 lines
3.0 KiB
Python
"""
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Copyright 2017 Oliver Smith
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This file is part of pmbootstrap.
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pmbootstrap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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pmbootstrap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with pmbootstrap. If not, see <http://www.gnu.org/licenses/>.
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"""
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import platform
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import logging
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import fnmatch
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def alpine_native():
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machine = platform.machine()
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ret = ""
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if machine == "x86_64":
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ret = "x86_64"
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else:
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raise ValueError("Can not map platform.machine " + machine +
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" to the right Alpine Linux architecture")
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logging.debug("(native) Alpine architecture: " + ret)
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return ret
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def from_chroot_suffix(args, suffix):
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if suffix == "native":
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return args.arch_native
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if suffix == "rootfs_" + args.device:
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return args.deviceinfo["arch"]
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if suffix.startswith("buildroot_"):
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return suffix.split("_", 2)[1]
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raise ValueError("Invalid chroot suffix: " + suffix +
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" (wrong device chosen in 'init' step?)")
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def alpine_to_debian(arch):
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"""
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Convert the architecture to the string used in the binfmt info
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(aka. the Debian architecture format).
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"""
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mapping = {
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"x86_64": "amd64",
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"armhf": "arm",
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}
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for pattern, arch_debian in mapping.items():
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if fnmatch.fnmatch(arch, pattern):
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return arch_debian
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raise ValueError("Can not map Alpine architecture " + arch +
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" to the right Debian architecture.")
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def alpine_to_kernel(arch):
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"""
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Convert the architecture to the string used inside the kernel sources.
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You can read the mapping from the linux-vanilla APKBUILD for example.
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"""
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mapping = {
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"aarch64*": "arm64",
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"arm*": "arm",
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"ppc*": "powerpc",
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"s390*": "s390"
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}
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for pattern, arch_kernel in mapping.items():
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if fnmatch.fnmatch(arch, pattern):
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return arch_kernel
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return arch
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def alpine_to_hostspec(arch):
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"""
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See: abuild source code/functions.sh.in: arch_to_hostspec()
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"""
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mapping = {
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"aarch64": "aarch64-alpine-linux-musl",
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"armhf": "armv6-alpine-linux-muslgnueabihf",
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"armv7": "armv7-alpine-linux-musleabihf",
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"ppc": "powerpc-alpine-linux-musl",
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"ppc64": "powerpc64-alpine-linux-musl",
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"ppc64le": "powerpc64le-alpine-linux-musl",
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"s390x": "s390x-alpine-linux-musl",
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"x86": "i586-alpine-linux-musl",
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"x86_66": "x86_64-alpine-linux-musl",
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}
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if arch in mapping:
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return mapping[arch]
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raise ValueError("Can not map Alpine architecture " + arch +
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" to the right hostspec value")
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