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| 1 | +# uncompyle6 version 3.2.4 |
| 2 | +# Python bytecode 2.7 (62211) |
| 3 | +# Decompiled from: Python 3.6.7 (default, Nov 3 2018, 21:32:46) |
| 4 | +# [GCC 8.2.0] |
| 5 | +# Embedded file name: acs_tool.py |
| 6 | +# Compiled at: 2015-09-17 07:30:19 |
| 7 | +import sys, os, os.path, json |
| 8 | +from struct import * |
| 9 | +import codecs, shutil, copy, collections |
| 10 | +ENTRY_POINT_OFFSET = 4 |
| 11 | +BL2_HEADER_OFFSET = 4096 |
| 12 | +ACS_TOOL_VERSION = 1 |
| 13 | +acs_v1 = collections.OrderedDict() |
| 14 | +acs_v1['acs_magic'] = 'acs__' |
| 15 | +acs_v1['chip_type'] = 1 |
| 16 | +acs_v1['version'] = 2 |
| 17 | +acs_v1['acs_set_length'] = 8 |
| 18 | +acs_v1['ddr_magic'] = 'ddrs_' |
| 19 | +acs_v1['ddr_set_version'] = 1 |
| 20 | +acs_v1['ddr_set_length'] = 2 |
| 21 | +acs_v1['ddr_set_addr'] = 8 |
| 22 | +acs_v1['ddrt_magic'] = 'ddrt_' |
| 23 | +acs_v1['ddrt_set_version'] = 1 |
| 24 | +acs_v1['ddrt_set_length'] = 2 |
| 25 | +acs_v1['ddrt_set_addr'] = 8 |
| 26 | +acs_v1['pll_magic'] = 'pll__' |
| 27 | +acs_v1['pll_set_version'] = 1 |
| 28 | +acs_v1['pll_set_length'] = 2 |
| 29 | +acs_v1['pll_set_addr'] = 8 |
| 30 | +check_excepts = [ |
| 31 | + 'ddr_set_addr', 'ddrt_set_addr', 'pll_set_addr'] |
| 32 | +check_excepts_length = ['ddr_set_length', 'ddrt_set_length', 'pll_set_length'] |
| 33 | +key_versions = ['version', 'ddr_set_version', 'ddrt_set_version', 'pll_set_version'] |
| 34 | + |
| 35 | +class acs_tool(object): |
| 36 | + |
| 37 | + def __init__(self, file_des, file_des_tmp, file_src, debug): |
| 38 | + self.debug = int(debug) |
| 39 | + self.file_des = file_des |
| 40 | + self.file_src = file_src |
| 41 | + self.file_des_tmp = file_des_tmp |
| 42 | + self.acs_des = copy.deepcopy(acs_v1) |
| 43 | + self.acs_src = copy.deepcopy(acs_v1) |
| 44 | + self.acs_base = copy.deepcopy(acs_v1) |
| 45 | + |
| 46 | + def init_acs(self, acs_struct, file_name, bl2): |
| 47 | + seek_position = 0 |
| 48 | + file_handler = open(file_name, 'rb') |
| 49 | + file_handler.seek(ENTRY_POINT_OFFSET) |
| 50 | + acs_entry_point, = unpack('H', file_handler.read(2)) |
| 51 | + acs_entry_point -= bl2 * BL2_HEADER_OFFSET |
| 52 | + seek_position = acs_entry_point |
| 53 | + self.log_print(file_name) |
| 54 | + for key in list(acs_struct.keys()): |
| 55 | + file_handler.seek(seek_position) |
| 56 | + if isinstance(acs_struct[key], str): |
| 57 | + seek_position += len(acs_struct[key]) |
| 58 | + acs_struct[key] = file_handler.read(len(acs_struct[key])).decode('utf-8') |
| 59 | + else: |
| 60 | + if isinstance(acs_struct[key], int): |
| 61 | + seek_position += acs_struct[key] |
| 62 | + if 1 == acs_struct[key]: |
| 63 | + acs_struct[key], = unpack('B', file_handler.read(1)) |
| 64 | + else: |
| 65 | + acs_struct[key], = unpack('H', file_handler.read(2)) |
| 66 | + if key in check_excepts: |
| 67 | + acs_struct[key] -= bl2 * BL2_HEADER_OFFSET |
| 68 | + self.log_print(key + ' ' + str(acs_struct[key])) |
| 69 | + |
| 70 | + file_handler.close() |
| 71 | + |
| 72 | + def check_acs(self): |
| 73 | + err_counter = 0 |
| 74 | + for key in list(self.acs_des.keys()): |
| 75 | + if self.acs_des[key] != self.acs_src[key] and key not in check_excepts: |
| 76 | + print("Warning! ACS %s doesn't match!! %s/%s" % (key, self.acs_des[key], self.acs_src[key])) |
| 77 | + |
| 78 | + for key in key_versions: |
| 79 | + if self.acs_des[key] > self.acs_src[key]: |
| 80 | + self.acs_des[key] = self.acs_src[key] |
| 81 | + print('Warning! ACS src %s too old!' % key) |
| 82 | + |
| 83 | + for key in list(self.acs_base.keys()): |
| 84 | + if isinstance(self.acs_base[key], str): |
| 85 | + if self.acs_des[key] != self.acs_base[key]: |
| 86 | + err_counter += 1 |
| 87 | + print('Error! ACS DES %s error!! Value: %s, Expect: %s' % (key, self.acs_des[key], self.acs_base[key])) |
| 88 | + if self.acs_src[key] != self.acs_base[key]: |
| 89 | + err_counter += 1 |
| 90 | + print('Error! ACS DES %s error!! Value: %s, Expect: %s' % (key, self.acs_src[key], self.acs_base[key])) |
| 91 | + |
| 92 | + if self.acs_des['version'] > ACS_TOOL_VERSION: |
| 93 | + print('Error! Please update acs tool! v%s>v%s' % (self.acs_des['version'], ACS_TOOL_VERSION)) |
| 94 | + err_counter += 1 |
| 95 | + return err_counter |
| 96 | + |
| 97 | + def copy_data(self): |
| 98 | + file_des = open(self.file_des_tmp, 'r+b') |
| 99 | + file_src = open(self.file_src, 'rb') |
| 100 | + for key_addr, key_length in zip(check_excepts, check_excepts_length): |
| 101 | + file_des.seek(self.acs_des[key_addr]) |
| 102 | + file_src.seek(self.acs_src[key_addr]) |
| 103 | + file_des.write(file_src.read(self.acs_des[key_length])) |
| 104 | + |
| 105 | + file_des.close() |
| 106 | + file_src.close() |
| 107 | + return 0 |
| 108 | + |
| 109 | + def run(self): |
| 110 | + shutil.copyfile(self.file_des, self.file_des_tmp) |
| 111 | + self.init_acs(self.acs_des, self.file_des_tmp, 1) |
| 112 | + self.init_acs(self.acs_src, self.file_src, 0) |
| 113 | + if self.check_acs(): |
| 114 | + print('ACS check failed! Compile Abort!') |
| 115 | + return -1 |
| 116 | + self.copy_data() |
| 117 | + print('ACS tool process done.') |
| 118 | + |
| 119 | + def log_print(self, log): |
| 120 | + if self.debug: |
| 121 | + print(log) |
| 122 | + |
| 123 | + |
| 124 | +if __name__ == '__main__': |
| 125 | + if sys.argv[1] == '--help' or sys.argv[1] == '-help': |
| 126 | + print('acs_tool.py [bl2.bin] [bl2_tmp.bin] [acs.bin] [debug(1/0)]') |
| 127 | + exit(1) |
| 128 | + if len(sys.argv) != 5: |
| 129 | + print('acs_tool.py [bl2.bin] [bl2_tmp.bin] [acs.bin] [debug(1/0)]') |
| 130 | + exit(1) |
| 131 | + tool = acs_tool(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4]) |
| 132 | + if tool.run(): |
| 133 | + exit(1) |
| 134 | +# okay decompiling acs_tool.pyc |
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