blflashcommand/libs/base/bl702l/flash_select_do.py

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2023-04-20 21:04:18 +00:00
# decompyle3 version 3.9.0
# Python bytecode version base 3.7.0 (3394)
# Decompiled from: Python 3.7.16 (default, Mar 30 2023, 01:25:49)
# [GCC 12.2.1 20220924]
# Embedded file name: libs/base/bl702l/flash_select_do.py
import os, csv, config as gol
from libs import bflb_utils
from libs.bflb_utils import app_path, conf_sign
from libs.bflb_configobj import BFConfigParser
from libs.base.bl702l.bootheader_cfg_keys import bootheader_cfg_keys as flash_cfg_keys
def get_suitable_file_name(cfg_dir, flash_id):
conf_files = []
for home, dirs, files in os.walk(cfg_dir):
for filename in files:
if filename.split('_')[-1] == flash_id + '.conf':
conf_files.append(filename)
if len(conf_files) > 1:
bflb_utils.printf('Flash id duplicate and alternative is:')
for i in range(len(conf_files)):
tmp = conf_files[i].split('.')[0]
bflb_utils.printf('%d:%s' % (i + 1, tmp))
return conf_files[i]
if len(conf_files) == 1:
return conf_files[0]
return ''
def update_flash_cfg_do(chipname, chiptype, flash_id, file=None, create=False, section=None):
if conf_sign:
cfg_dir = app_path + '/utils/flash/' + chipname + '/'
else:
cfg_dir = app_path + '/utils/flash/' + gol.flash_dict[chipname] + '/'
conf_name = get_suitable_file_name(cfg_dir, flash_id)
value_key = []
if os.path.isfile(cfg_dir + conf_name) is False:
return False
fp = open(cfg_dir + conf_name, 'r')
for line in fp.readlines():
value = line.split('=')[0].strip()
if value == '[FLASH_CFG]':
continue
else:
value_key.append(value)
cfg1 = BFConfigParser()
cfg1.read(cfg_dir + conf_name)
cfg2 = BFConfigParser()
cfg2.read(file)
for i in range(len(value_key)):
if cfg1.has_option('FLASH_CFG', value_key[i]):
if cfg2.has_option(section, value_key[i]):
tmp_value = cfg1.get('FLASH_CFG', value_key[i])
bflb_utils.update_cfg(cfg2, section, value_key[i], tmp_value)
cfg2.write(file, 'w+')
bflb_utils.printf('Update flash cfg finished')
def get_supported_flash_do():
flash_type = []
return flash_type
def get_int_mask(pos, length):
ones = '11111111111111111111111111111111'
zeros = '00000000000000000000000000000000'
mask = ones[0:32 - pos - length] + zeros[0:length] + ones[0:pos]
return int(mask, 2)
def create_flashcfg_data_from_cfg(cfg_len, cfgfile):
section = 'FLASH_CFG'
cfg = BFConfigParser()
cfg.read(cfgfile)
data = bytearray(cfg_len)
minOffset = int(flash_cfg_keys.get('io_mode')['offset'], 10)
for key in cfg.options(section):
if flash_cfg_keys.get(key) == None:
bflb_utils.printf(key + ' not exist')
continue
else:
val = cfg.get(section, key)
if val.startswith('0x'):
val = int(val, 16)
else:
val = int(val, 10)
offset = int(flash_cfg_keys.get(key)['offset'], 10) - minOffset
pos = int(flash_cfg_keys.get(key)['pos'], 10)
bitlen = int(flash_cfg_keys.get(key)['bitlen'], 10)
oldval = bflb_utils.bytearray_to_int(bflb_utils.bytearray_reverse(data[offset:offset + 4]))
newval = (oldval & get_int_mask(pos, bitlen)) + (val << pos)
data[offset:offset + 4] = bflb_utils.int_to_4bytearray_l(newval)
crcarray = bflb_utils.get_crc32_bytearray(data)
data = bflb_utils.int_to_4bytearray_l(1195787078) + data + crcarray
return data
def create_flashcfg_table(start_addr):
single_flashcfg_len = 92
flash_table_list = bytearray(0)
flash_table_data = bytearray(0)
if conf_sign:
table_file = os.path.join(app_path, 'utils', 'flash', 'bl702l', 'flashcfg_list.csv')
else:
table_file = os.path.join(app_path, 'utils', 'flash', 'bl702l', 'flashcfg_list.csv')
with open(table_file, 'r', encoding='utf-8-sig') as csvfile:
table_list = []
cfgfile_list = []
reader = csv.DictReader(csvfile)
cnt = 0
for row in reader:
row_dict = {}
row_dict['jid'] = row.get('flashJedecID', '')
row_dict['cfgfile'] = row.get('configFile', '')
if row_dict['cfgfile'] not in cfgfile_list:
cfgfile_list.append(row_dict['cfgfile'])
else:
table_list.append(row_dict)
cnt += 1
table_list_len = 4 + cnt * 8 + 4
for cfgfile in cfgfile_list:
if conf_sign:
cfgfile = os.path.join(app_path, 'utils', 'flash', 'bl702l', cfgfile)
else:
cfgfile = os.path.join(app_path, 'utils', 'flash', 'bl702l', cfgfile)
data = create_flashcfg_data_from_cfg(single_flashcfg_len - 8, cfgfile)
flash_table_data += data
for dict in table_list:
flash_table_list += bflb_utils.int_to_4bytearray_b(int(dict['jid'] + '00', 16))
i = 0
offset = 0
for cfgfile in cfgfile_list:
if cfgfile == dict['cfgfile']:
offset = start_addr + table_list_len + single_flashcfg_len * i
break
else:
i += 1
flash_table_list += bflb_utils.int_to_4bytearray_l(offset)
crcarray = bflb_utils.get_crc32_bytearray(flash_table_list)
flash_table_list = bflb_utils.int_to_4bytearray_l(1196704582) + flash_table_list + crcarray
return (
flash_table_list, flash_table_data, len(flash_table_list))
# okay decompiling ./libs/base/bl702l/flash_select_do.pyc