forked from Mirror/pmbootstrap
67b080b158
postmarketOS/pmaports!700 adds a new "deviceinfo_bootimg_dtb_second" option that places the DTB in the "second" area of the Android boot image. Attempt to detect this automatically by checking the extracted second binary for the FDT magic (0xd00dfeed).
253 lines
9.5 KiB
Python
253 lines
9.5 KiB
Python
"""
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Copyright 2019 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 logging
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import os
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import pmb.helpers.run
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import pmb.aportgen.core
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import pmb.parse.apkindex
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import pmb.parse.bootimg
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def ask_for_architecture(args):
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architectures = pmb.config.build_device_architectures
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while True:
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ret = pmb.helpers.cli.ask(args, "Device architecture", architectures,
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architectures[0])
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if ret in architectures:
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return ret
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logging.fatal("ERROR: Invalid architecture specified. If you want to"
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" add a new architecture, edit build_device_architectures"
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" in pmb/config/__init__.py.")
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def ask_for_manufacturer(args):
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logging.info("Who produced the device (e.g. LG)?")
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return pmb.helpers.cli.ask(args, "Manufacturer", None, None, False)
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def ask_for_name(args, manufacturer):
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logging.info("What is the official name (e.g. Google Nexus 5)?")
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ret = pmb.helpers.cli.ask(args, "Name", None, None, False)
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# Always add the manufacturer
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if not ret.startswith(manufacturer) and \
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not ret.startswith("Google"):
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ret = manufacturer + " " + ret
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return ret
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def ask_for_keyboard(args):
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return pmb.helpers.cli.confirm(args, "Does the device have a hardware keyboard?")
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def ask_for_external_storage(args):
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return pmb.helpers.cli.confirm(args, "Does the device have a sdcard or other"
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" external storage medium?")
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def ask_for_flash_method(args):
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while True:
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logging.info("Which flash method does the device support?")
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method = pmb.helpers.cli.ask(args, "Flash method", pmb.config.flash_methods,
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pmb.config.flash_methods[0])
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if method in pmb.config.flash_methods:
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if method == "heimdall":
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heimdall_types = ["isorec", "bootimg"]
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while True:
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logging.info("Does the device use the \"isolated recovery\" or boot.img?")
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logging.info("<https://wiki.postmarketos.org/wiki/Deviceinfo_flash_methods#Isorec_or_bootimg.3F>")
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heimdall_type = pmb.helpers.cli.ask(args, "Type", heimdall_types,
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heimdall_types[0])
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if heimdall_type in heimdall_types:
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method += "-" + heimdall_type
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break
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logging.fatal("ERROR: Invalid type specified.")
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return method
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logging.fatal("ERROR: Invalid flash method specified. If you want to"
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" add a new flash method, edit flash_methods in"
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" pmb/config/__init__.py.")
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def ask_for_bootimg(args):
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logging.info("You can analyze a known working boot.img file to automatically fill"
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" out the flasher information for your deviceinfo file. Either specify"
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" the path to an image or press return to skip this step (you can do"
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" it later with 'pmbootstrap bootimg_analyze').")
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while True:
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path = os.path.expanduser(pmb.helpers.cli.ask(args, "Path", None, "", False))
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if not path:
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return None
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try:
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return pmb.parse.bootimg(args, path)
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except Exception as e:
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logging.fatal("ERROR: " + str(e) + ". Please try again.")
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def generate_deviceinfo_fastboot_content(args, bootimg=None):
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if bootimg is None:
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bootimg = {"cmdline": "",
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"qcdt": "false",
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"dtb_second": "false",
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"base": "",
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"kernel_offset": "",
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"ramdisk_offset": "",
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"second_offset": "",
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"tags_offset": "",
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"pagesize": "2048"}
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return """\
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deviceinfo_kernel_cmdline=\"""" + bootimg["cmdline"] + """\"
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deviceinfo_generate_bootimg="true"
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deviceinfo_bootimg_qcdt=\"""" + bootimg["qcdt"] + """\"
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deviceinfo_bootimg_dtb_second=\"""" + bootimg["dtb_second"] + """\"
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deviceinfo_flash_offset_base=\"""" + bootimg["base"] + """\"
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deviceinfo_flash_offset_kernel=\"""" + bootimg["kernel_offset"] + """\"
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deviceinfo_flash_offset_ramdisk=\"""" + bootimg["ramdisk_offset"] + """\"
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deviceinfo_flash_offset_second=\"""" + bootimg["second_offset"] + """\"
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deviceinfo_flash_offset_tags=\"""" + bootimg["tags_offset"] + """\"
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deviceinfo_flash_pagesize=\"""" + bootimg["pagesize"] + """\"
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"""
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def generate_deviceinfo(args, pkgname, name, manufacturer, arch, has_keyboard,
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has_external_storage, flash_method, bootimg=None):
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codename = "-".join(pkgname.split("-")[1:])
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# Note: New variables must be added to pmb/config/__init__.py as well
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content = """\
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# Reference: <https://postmarketos.org/deviceinfo>
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# Please use double quotes only. You can source this file in shell scripts.
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deviceinfo_format_version="0"
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deviceinfo_name=\"""" + name + """\"
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deviceinfo_manufacturer=\"""" + manufacturer + """\"
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deviceinfo_codename=\"""" + codename + """\"
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deviceinfo_date=""
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deviceinfo_dtb=""
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deviceinfo_modules_initfs=""
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deviceinfo_arch=\"""" + arch + """\"
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# Device related
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deviceinfo_keyboard=\"""" + ("true" if has_keyboard else "false") + """\"
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deviceinfo_external_storage=\"""" + ("true" if has_external_storage else "false") + """\"
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deviceinfo_screen_width="800"
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deviceinfo_screen_height="600"
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deviceinfo_dev_touchscreen=""
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deviceinfo_dev_touchscreen_calibration=""
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deviceinfo_dev_keyboard=""
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# Bootloader related
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deviceinfo_flash_method=\"""" + flash_method + """\"
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"""
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content_heimdall_bootimg = """\
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deviceinfo_flash_heimdall_partition_kernel=""
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deviceinfo_flash_heimdall_partition_system=""
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"""
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content_heimdall_isorec = """\
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deviceinfo_flash_heimdall_partition_kernel=""
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deviceinfo_flash_heimdall_partition_initfs=""
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deviceinfo_flash_heimdall_partition_system=""
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"""
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content_0xffff = """\
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deviceinfo_generate_legacy_uboot_initfs="true"
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"""
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content_uuu = """\
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deviceinfo_generate_legacy_uboot_initfs="true"
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"""
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if flash_method == "fastboot":
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content += generate_deviceinfo_fastboot_content(args, bootimg)
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elif flash_method == "heimdall-bootimg":
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content += generate_deviceinfo_fastboot_content(args, bootimg)
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content += content_heimdall_bootimg
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elif flash_method == "heimdall-isorec":
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content += content_heimdall_isorec
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elif flash_method == "0xffff":
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content += content_0xffff
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elif flash_method == "uuu":
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content += content_uuu
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# Write to file
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pmb.helpers.run.user(args, ["mkdir", "-p", args.work + "/aportgen"])
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with open(args.work + "/aportgen/deviceinfo", "w", encoding="utf-8") as handle:
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for line in content.split("\n"):
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handle.write(line.lstrip() + "\n")
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def generate_apkbuild(args, pkgname, name, arch, flash_method):
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# Dependencies
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depends = "postmarketos-base linux-" + "-".join(pkgname.split("-")[1:])
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if flash_method in ["fastboot", "heimdall-bootimg"]:
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depends += " mkbootimg"
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if flash_method == "0xffff":
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depends += " uboot-tools"
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depends += " mesa-dri-swrast"
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# Whole APKBUILD
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content = """\
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# Reference: <https://postmarketos.org/devicepkg>
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pkgname=\"""" + pkgname + """\"
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pkgdesc=\"""" + name + """\"
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pkgver=0.1
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pkgrel=0
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url="https://postmarketos.org"
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license="MIT"
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arch=\"""" + arch + """\"
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options="!check !archcheck"
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depends=\"""" + depends + """\"
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makedepends="devicepkg-dev"
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source="deviceinfo"
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build() {
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devicepkg_build $startdir $pkgname
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}
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package() {
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devicepkg_package $startdir $pkgname
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}
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sha512sums="(run 'pmbootstrap checksum """ + pkgname + """' to fill)"
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"""
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# Write the file
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pmb.helpers.run.user(args, ["mkdir", "-p", args.work + "/aportgen"])
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with open(args.work + "/aportgen/APKBUILD", "w", encoding="utf-8") as handle:
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for line in content.split("\n"):
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handle.write(line[8:].replace(" " * 4, "\t") + "\n")
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def generate(args, pkgname):
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arch = ask_for_architecture(args)
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manufacturer = ask_for_manufacturer(args)
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name = ask_for_name(args, manufacturer)
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has_keyboard = ask_for_keyboard(args)
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has_external_storage = ask_for_external_storage(args)
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flash_method = ask_for_flash_method(args)
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bootimg = None
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if flash_method in ["fastboot", "heimdall-bootimg"]:
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bootimg = ask_for_bootimg(args)
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generate_deviceinfo(args, pkgname, name, manufacturer, arch, has_keyboard,
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has_external_storage, flash_method, bootimg)
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generate_apkbuild(args, pkgname, name, arch, flash_method)
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