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Merge pull request #4025 from MilhouseVH/le10_fix_pyc_nonsense
amlogic-boot-fip: fix bytecode madness
This commit is contained in:
Christian Hewitt
GitHub
commit
e5565eb2fb
@ -58,3 +58,7 @@ case "$UBOOT_SYSTEM" in
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PKG_SOURCE_DIR="fip"
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;;
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esac
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post_unpack() {
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rm -f $PKG_BUILD/acs_tool.pyc
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}
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134
packages/tools/amlogic-boot-fip/sources/acs_tool.py
Executable file
134
packages/tools/amlogic-boot-fip/sources/acs_tool.py
Executable file
@ -0,0 +1,134 @@
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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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class acs_tool(object):
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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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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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file_handler.close()
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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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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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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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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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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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file_des.close()
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file_src.close()
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return 0
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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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def log_print(self, log):
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if self.debug:
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print(log)
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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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@ -120,9 +120,9 @@ case "${UBOOT_SYSTEM}" in
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$FIPDIR/fip_create --dump $DESTDIR/fip.bin
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python3 $FIPDIR/acs_tool.pyc $DESTDIR/bl2.bin \
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$DESTDIR/bl2_acs.bin \
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$DESTDIR/acs.bin 0
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python3 $FIPDIR/acs_tool.py $DESTDIR/bl2.bin \
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$DESTDIR/bl2_acs.bin \
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$DESTDIR/acs.bin 0
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$FIPDIR/blx_fix.sh $DESTDIR/bl2_acs.bin \
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$DESTDIR/zero_tmp \
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@ -152,7 +152,7 @@ case "${UBOOT_SYSTEM}" in
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$DESTDIR/bl301_zero.bin \
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$DESTDIR/bl30_new.bin bl30
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python3 $FIPDIR/acs_tool.pyc $DESTDIR/bl2.bin $DESTDIR/bl2_acs.bin $DESTDIR/acs.bin 0
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python3 $FIPDIR/acs_tool.py $DESTDIR/bl2.bin $DESTDIR/bl2_acs.bin $DESTDIR/acs.bin 0
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$FIPDIR/blx_fix.sh $DESTDIR/bl2_acs.bin \
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$DESTDIR/zero_tmp \
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