diff options
Diffstat (limited to 'installer/hikey960/mkdtimg')
| -rwxr-xr-x | installer/hikey960/mkdtimg | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/installer/hikey960/mkdtimg b/installer/hikey960/mkdtimg deleted file mode 100755 index 65722043..00000000 --- a/installer/hikey960/mkdtimg +++ /dev/null @@ -1,159 +0,0 @@ -#!/usr/bin/env python -# Copyright 2017, The Android Open Source Project -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -from __future__ import print_function -try: - from os import fstat, stat, remove - from sys import exit - from argparse import ArgumentParser, FileType - from ctypes import sizeof, Structure, c_char, c_int - from struct import pack, calcsize - import zlib -except Exception as e: - print("some module is needed:" + str(e)) - exit(-1) - -dt_head_info_fmt = '4sII' -dt_entry_fmt = 'Q4I2Q' -dtimg_version = 1 -dtb_count = 1 - -def write32(output, value): - output.write(chr(value & 255)) ; value=value // 256 - output.write(chr(value & 255)) ; value=value // 256 - output.write(chr(value & 255)) ; value=value // 256 - output.write(chr(value & 255)) - -def compress(filename, input, output): - output.write('\037\213\010') - output.write(chr(0)) - - statval = stat(filename) - write32(output, 0) - output.write('\002') - output.write('\003') - - crcval = zlib.crc32("") - compobj = zlib.compressobj(9, zlib.DEFLATED, -zlib.MAX_WBITS, - zlib.DEF_MEM_LEVEL, 0) - while True: - data = input.read(1024) - if data == "": - break - crcval = zlib.crc32(data, crcval) - output.write(compobj.compress(data)) - output.write(compobj.flush()) - write32(output, crcval) - write32(output, statval.st_size) - -def dtb_compress(dtb_file): - try: - outputname = dtb_file + '.gz' - input = open(dtb_file, 'rb') - output = open(outputname, 'wb') - compress(dtb_file, input, output) - input.close() - output.close() - except Exception as e: - print('dtb_compress error:' + str(e)) - exit(-1) - return outputname - -class dt_head_info(Structure): - _fields_ = [('magic', c_char * 4), - ('version', c_int), - ('dt_count', c_int)] - -class dt_entry_t(Structure): - _fields_ = [('dtb_size', c_int), - ('dtb_offset', c_int)] - -def align_page_size(offset, pagesize): - return (pagesize - (offset % pagesize)) - -def write_head_info(head_info, args): - args.output.write(pack(dt_head_info_fmt, - head_info.magic, - head_info.version, - head_info.dt_count)) - -def write_dtb_entry_t(dt_entry, args): - args.output.write(pack(dt_entry_fmt, - 0, # reserved - dt_entry.dtb_size, - 0, # reserved - dt_entry.dtb_offset, - 0, # reserved - 0, # reserved - 0)) # reserved - -def write_padding(args, padding): - for i in range(0, padding): - args.output.write('\x00') - -def write_dtb(args): - dtb_file = args.dtb - out_dtb = dtb_file - if args.compress == True: - out_dtb = dtb_compress(dtb_file) - try: - dtb_offset = calcsize(dt_head_info_fmt) + \ - calcsize(dt_entry_fmt) + \ - 4 - padding = align_page_size(dtb_offset, args.pagesize) - dtb_size = stat(out_dtb).st_size - dtb_size_padding = align_page_size(dtb_size, args.pagesize) - dt_entry = dt_entry_t(dtb_size + dtb_size_padding, - dtb_offset + padding) - write_dtb_entry_t(dt_entry, args) - args.output.write(pack('I', 0)) # SUCCESS code number - write_padding(args, padding) - with open(out_dtb, 'rb') as dtb_fd: - args.output.write(dtb_fd.read(dtb_size)) - write_padding(args, dtb_size_padding) - except Exception as e: - print('write dtb error:' + str(e)) - exit(-1) - -def clean_gz_file(args): - try: - if args.compress != True: - return - remove(args.dtb + '.gz') - except Exception as e: - print('clean gz file error:' + str(e)) - exit(-1) - -def parse_cmdline(): - parser = ArgumentParser() - parser.add_argument('-c', '--compress', help='compress dtb or not', - action='store_true') - parser.add_argument('-d', '--dtb', help='path to the dtb', type=str, - required=True) - parser.add_argument('-s', '--pagesize', help='align page size', - type=int, choices=[2**i for i in range(11,15)], - default=2048) - parser.add_argument('-o', '--output', help='output file name', - type=FileType('wb'), required=True) - return parser.parse_args() - -def main(): - args = parse_cmdline() - dtimg_head_info = dt_head_info('HSDT', dtimg_version, dtb_count) - write_head_info(dtimg_head_info, args) - write_dtb(args) - clean_gz_file(args) - -if __name__ == '__main__': - main() |