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      1 #!/usr/bin/env python
      2 # Copyright (C) 2017 The Android Open Source Project
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #      http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 
     16 import argparse
     17 import os
     18 import shutil
     19 import sys
     20 
     21 
     22 def Main():
     23   parser = argparse.ArgumentParser()
     24   parser.add_argument('--verbose', '-v', action='store_true')
     25   parser.add_argument('--pid', help='(optional) save pid into given file')
     26   args = parser.parse_args()
     27 
     28   root_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
     29 
     30   if sys.platform.startswith('linux'):
     31     emulator_root = os.path.join(
     32       root_dir, 'buildtools', 'emulator', 'linux-x86_64')
     33     emulator_path = os.path.join(emulator_root, 'qemu', 'linux-x86_64')
     34   else:
     35     emulator_root = os.path.join(
     36       root_dir, 'buildtools', 'emulator', 'darwin-x86_64')
     37     emulator_path = os.path.join(emulator_root, 'qemu', 'darwin-x86_64')
     38 
     39   aosp_path = os.path.join(root_dir, 'buildtools', 'aosp-arm')
     40 
     41   env = {
     42       # Travis CI doesn't set this and causes the emulator to fallback in
     43       # 32-bit mode with a "Cannot decide host bitness because $SHELL" error.
     44       'SHELL': '/bin/bash',
     45       'LD_LIBRARY_PATH': os.path.join(emulator_root, 'lib64', 'qt', 'lib'),
     46       'DYLD_LIBRARY_PATH': os.path.join(emulator_root, 'lib64', 'qt', 'lib'),
     47   }
     48   emulator_bin = os.path.join(emulator_path, 'qemu-system-armel')
     49   emulator_args = ['-no-window', '-no-snapshot',  '-gpu', 'off', '-no-accel',
     50                    '-sysdir', aosp_path,
     51                    '-system', os.path.join(aosp_path, 'system-qemu.img'),
     52                    '-kernel', os.path.join(aosp_path, 'kernel-ranchu'),
     53                    '-ramdisk', os.path.join(aosp_path, 'ramdisk.img'),
     54                    '-vendor', os.path.join(aosp_path, 'vendor-qemu.img'),
     55                    '-data', os.path.join(aosp_path, 'userdata-qemu.img')]
     56   print '\n'.join('='.join(x) for x in env.items())
     57   print ' '.join([emulator_bin] + emulator_args)
     58   if args.pid:
     59     with open(args.pid, 'w') as f:
     60       f.write(str(os.getpid()))
     61   os.execve(emulator_bin, [emulator_bin] + emulator_args, env)
     62 
     63 
     64 if __name__ == '__main__':
     65   sys.exit(Main())
     66