scripts/initialize.py

   1 #!/usr/bin/env python3
   2 import os
   3 import sys
   4 import subprocess
   5 import shutil
   6
   7 import utils
   8 import database
   9 from conf import conf
  10 from conf import sf
  11 import exceptions
  12 import loop
  13 import configurations
  14
  15 def all():
  16         base()
  17         parse_kconfig()
  18         gen_requred()
  19         try:
  20                 configurations.generate()
  21         except exceptions.NoSolution:
  22                 pass
  23         # check if database is initialized
  24         database.database()
  25
  26 def base():
  27         print('Initialize base...')
  28         try:
  29                 os.mkdir(sf(conf.build_folder))
  30         except FileExistsError:
  31                 pass
  32         try:
  33                 os.mkdir(sf(conf.configurations_folder))
  34         except FileExistsError:
  35                 pass
  36         try:
  37                 os.mkdir(sf(conf.log_folder))
  38         except FileExistsError:
  39                 pass
  40
  41         if os.path.isfile(sf(conf.phase_file)):
  42                 print("Warning: file " + conf.phase_file + " already exists. Not overwritten.")
  43         else:
  44                 loop.phase_set(1)
  45
  46         if os.path.isfile(sf(conf.iteration_file)):
  47                 print("Warning: file " + conf.iteration_file + " already exists. Not overwritten.")
  48         else:
  49                 loop.iteration_reset()
  50
  51
  52 def parse_kconfig():
  53         "Execute parse_kconfig in linux_sources directory."
  54         if os.path.isfile(sf(conf.symbol_map_file)) and \
  55                         os.path.isfile(sf(conf.rules_file)) and \
  56                         os.path.isfile(sf(conf.variable_count_file)):
  57                 print('Warning: parse_kconfig not executed. Files already exists.')
  58                 return
  59         print('Executing parse_kconfig...')
  60         env = dict(os.environ)
  61         wd = os.getcwd()
  62         os.chdir(sf(conf.linux_sources))
  63         parse_kconfig_cmd = [sf(conf.parse_kconfig)]
  64         parse_kconfig_cmd += [sf(conf.linux_kconfig_head), sf(conf.build_folder)]
  65         parse_kconfig_cmd += ['-v', '-v']
  66         utils.callsubprocess("parse_kconfig", parse_kconfig_cmd,
  67                         conf.parse_kconfig_output, env=utils.get_kernel_env())
  68         os.chdir(wd)
  69
  70
  71 def gen_requred():
  72         "Generates required depenpency from dot_config file."
  73         print('Generating required configuration...')
  74
  75         if not os.path.isfile(sf(conf.dot_config)):
  76                 raise exceptions.MissingFile(sf(conf.dot_config),
  77                                 'Generate fixed configuration. Use make dot_config.')
  78
  79         utils.build_symbol_map() # Ensure smap existence
  80         srmap = {value:key for key, value in utils.smap.items()} # swap dictionary
  81
  82         shutil.copy(sf(conf.dot_config), sf(conf.dot_config_back_file))
  83
  84         with open(sf(conf.dot_config), 'r') as f:
  85                 with open(sf(conf.required_file), 'w') as freq:
  86                         for line in f:
  87                                 if (line[0] == '#') or (not '=' in line):
  88                                         continue
  89                                 indx = line.index('=')
  90                                 if (line[indx + 1] == 'y'):
  91                                         if line[7:indx] == "MODULES": # exception if modules set
  92                                                 raise exceptions.ConfigurationError("Fixed kernel configuration must have MODULES disabled.")
  93                                         freq.write(str(srmap[line[7:indx]]) + "\n")
  94                                 elif (line[indx + 1] == 'n' or line[indx + 1] == 'm'):
  95                                         freq.write("-" + str(srmap[line[7:indx]]) + "\n")
  96
  97
  98 #################################################################################
  99
 100 if __name__ == '__main__':
 101         all()