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+# uncompyle6 version 3.2.4
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+# Python bytecode 2.7 (62211)
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+# Decompiled from: Python 3.6.7 (default, Nov 3 2018, 21:32:46)
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+# [GCC 8.2.0]
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+# Embedded file name: acs_tool.py
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+# Compiled at: 2015-09-17 07:30:19
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+import sys, os, os.path, json
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+from struct import *
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+import codecs, shutil, copy, collections
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+ENTRY_POINT_OFFSET = 4
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+BL2_HEADER_OFFSET = 4096
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+ACS_TOOL_VERSION = 1
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+acs_v1 = collections.OrderedDict()
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+acs_v1['acs_magic'] = 'acs__'
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+acs_v1['chip_type'] = 1
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+acs_v1['version'] = 2
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+acs_v1['acs_set_length'] = 8
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+acs_v1['ddr_magic'] = 'ddrs_'
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+acs_v1['ddr_set_version'] = 1
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+acs_v1['ddr_set_length'] = 2
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+acs_v1['ddr_set_addr'] = 8
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+acs_v1['ddrt_magic'] = 'ddrt_'
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+acs_v1['ddrt_set_version'] = 1
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+acs_v1['ddrt_set_length'] = 2
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+acs_v1['ddrt_set_addr'] = 8
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+acs_v1['pll_magic'] = 'pll__'
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+acs_v1['pll_set_version'] = 1
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+acs_v1['pll_set_length'] = 2
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+acs_v1['pll_set_addr'] = 8
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+check_excepts = [
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+ 'ddr_set_addr', 'ddrt_set_addr', 'pll_set_addr']
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+check_excepts_length = ['ddr_set_length', 'ddrt_set_length', 'pll_set_length']
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+key_versions = ['version', 'ddr_set_version', 'ddrt_set_version', 'pll_set_version']
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+
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+class acs_tool(object):
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+
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+ def __init__(self, file_des, file_des_tmp, file_src, debug):
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+ self.debug = int(debug)
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+ self.file_des = file_des
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+ self.file_src = file_src
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+ self.file_des_tmp = file_des_tmp
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+ self.acs_des = copy.deepcopy(acs_v1)
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+ self.acs_src = copy.deepcopy(acs_v1)
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+ self.acs_base = copy.deepcopy(acs_v1)
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+
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+ def init_acs(self, acs_struct, file_name, bl2):
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+ seek_position = 0
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+ file_handler = open(file_name, 'rb')
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+ file_handler.seek(ENTRY_POINT_OFFSET)
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+ acs_entry_point, = unpack('H', file_handler.read(2))
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+ acs_entry_point -= bl2 * BL2_HEADER_OFFSET
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+ seek_position = acs_entry_point
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+ self.log_print(file_name)
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+ for key in list(acs_struct.keys()):
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+ file_handler.seek(seek_position)
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+ if isinstance(acs_struct[key], str):
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+ seek_position += len(acs_struct[key])
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+ acs_struct[key] = file_handler.read(len(acs_struct[key])).decode('utf-8')
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+ else:
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+ if isinstance(acs_struct[key], int):
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+ seek_position += acs_struct[key]
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+ if 1 == acs_struct[key]:
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+ acs_struct[key], = unpack('B', file_handler.read(1))
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+ else:
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+ acs_struct[key], = unpack('H', file_handler.read(2))
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+ if key in check_excepts:
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+ acs_struct[key] -= bl2 * BL2_HEADER_OFFSET
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+ self.log_print(key + ' ' + str(acs_struct[key]))
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+
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+ file_handler.close()
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+
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+ def check_acs(self):
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+ err_counter = 0
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+ for key in list(self.acs_des.keys()):
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+ if self.acs_des[key] != self.acs_src[key] and key not in check_excepts:
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+ print("Warning! ACS %s doesn't match!! %s/%s" % (key, self.acs_des[key], self.acs_src[key]))
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+
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+ for key in key_versions:
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+ if self.acs_des[key] > self.acs_src[key]:
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+ self.acs_des[key] = self.acs_src[key]
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+ print('Warning! ACS src %s too old!' % key)
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+
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+ for key in list(self.acs_base.keys()):
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+ if isinstance(self.acs_base[key], str):
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+ if self.acs_des[key] != self.acs_base[key]:
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+ err_counter += 1
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+ print('Error! ACS DES %s error!! Value: %s, Expect: %s' % (key, self.acs_des[key], self.acs_base[key]))
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+ if self.acs_src[key] != self.acs_base[key]:
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+ err_counter += 1
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+ print('Error! ACS DES %s error!! Value: %s, Expect: %s' % (key, self.acs_src[key], self.acs_base[key]))
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+
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+ if self.acs_des['version'] > ACS_TOOL_VERSION:
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+ print('Error! Please update acs tool! v%s>v%s' % (self.acs_des['version'], ACS_TOOL_VERSION))
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+ err_counter += 1
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+ return err_counter
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+
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+ def copy_data(self):
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+ file_des = open(self.file_des_tmp, 'r+b')
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+ file_src = open(self.file_src, 'rb')
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+ for key_addr, key_length in zip(check_excepts, check_excepts_length):
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+ file_des.seek(self.acs_des[key_addr])
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+ file_src.seek(self.acs_src[key_addr])
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+ file_des.write(file_src.read(self.acs_des[key_length]))
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+
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+ file_des.close()
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+ file_src.close()
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+ return 0
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+
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+ def run(self):
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+ shutil.copyfile(self.file_des, self.file_des_tmp)
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+ self.init_acs(self.acs_des, self.file_des_tmp, 1)
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+ self.init_acs(self.acs_src, self.file_src, 0)
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+ if self.check_acs():
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+ print('ACS check failed! Compile Abort!')
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+ return -1
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+ self.copy_data()
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+ print('ACS tool process done.')
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+
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+ def log_print(self, log):
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+ if self.debug:
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+ print(log)
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+
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+
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+if __name__ == '__main__':
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+ if sys.argv[1] == '--help' or sys.argv[1] == '-help':
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+ print('acs_tool.py [bl2.bin] [bl2_tmp.bin] [acs.bin] [debug(1/0)]')
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+ exit(1)
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+ if len(sys.argv) != 5:
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+ print('acs_tool.py [bl2.bin] [bl2_tmp.bin] [acs.bin] [debug(1/0)]')
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+ exit(1)
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+ tool = acs_tool(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4])
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+ if tool.run():
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+ exit(1)
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+# okay decompiling acs_tool.pyc
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