Marat Dukhan | e029fd4 | 2017-10-26 00:35:46 +0000 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | import os |
| 4 | import sys |
| 5 | import argparse |
| 6 | import subprocess |
| 7 | import tempfile |
| 8 | |
| 9 | |
| 10 | parser = argparse.ArgumentParser(description='Android system files extractor') |
| 11 | parser.add_argument("-p", "--prefix", metavar="NAME", required=True, |
| 12 | help="Prefix for stored files, e.g. galaxy-s7-us") |
| 13 | |
| 14 | |
| 15 | SYSTEM_FILES = [ |
| 16 | "/proc/cpuinfo", |
| 17 | "/system/build.prop", |
| 18 | "/sys/devices/system/cpu/kernel_max", |
| 19 | "/sys/devices/system/cpu/possible", |
| 20 | "/sys/devices/system/cpu/present", |
| 21 | ] |
| 22 | |
| 23 | CPU_FILES = [ |
| 24 | "cpufreq/cpuinfo_max_freq", |
| 25 | "cpufreq/cpuinfo_min_freq", |
| 26 | "topology/physical_package_id", |
| 27 | "topology/core_siblings_list", |
| 28 | "topology/core_id", |
| 29 | "topology/thread_siblings_list", |
| 30 | ] |
| 31 | |
| 32 | CACHE_FILES = [ |
| 33 | "allocation_policy", |
| 34 | "coherency_line_size", |
| 35 | "level", |
| 36 | "number_of_sets", |
| 37 | "shared_cpu_list", |
| 38 | "size", |
| 39 | "type", |
| 40 | "ways_of_associativity", |
| 41 | "write_policy", |
| 42 | ] |
| 43 | |
| 44 | def c_escape(string): |
| 45 | c_string = "" |
| 46 | for c in string: |
| 47 | if c == "\\": |
| 48 | c_string += "\\\\" |
| 49 | elif c == "\"": |
| 50 | c_string += "\\\"" |
| 51 | elif c == "\t": |
| 52 | c_string += "\\t" |
| 53 | elif c == "\n": |
| 54 | c_string += "\\n" |
| 55 | elif c == "\r": |
| 56 | c_string += "\\r" |
| 57 | elif ord(c) == 0: |
| 58 | c_string += "\\0" |
| 59 | elif 32 <= ord(c) < 127: |
| 60 | c_string += c |
| 61 | else: |
| 62 | c_string += "x%02X" % ord(c) |
| 63 | return c_string |
| 64 | |
| 65 | def adb_pull(device_path, local_path): |
| 66 | env = os.environ.copy() |
| 67 | env["LC_ALL"] = "C" |
| 68 | |
| 69 | adb = subprocess.Popen(["adb", "pull", device_path, local_path], env=env) |
| 70 | adb.communicate() |
| 71 | return adb.returncode == 0 |
| 72 | |
| 73 | |
| 74 | def dump_device_file(stream, path): |
| 75 | temp_fd, temp_path = tempfile.mkstemp() |
| 76 | os.close(temp_fd) |
| 77 | try: |
| 78 | if adb_pull(path, temp_path): |
| 79 | with open(temp_path, "rb") as temp_file: |
| 80 | content = temp_file.read() |
| 81 | stream.write("\t{\n") |
| 82 | stream.write("\t\t.path = \"%s\",\n" % path) |
| 83 | stream.write("\t\t.size = %d,\n" % len(content)) |
| 84 | if len(content.splitlines()) > 1: |
| 85 | stream.write("\t\t.content =") |
| 86 | for line in content.splitlines(True): |
| 87 | stream.write("\n\t\t\t\"%s\"" % c_escape(line)) |
| 88 | stream.write(",\n") |
| 89 | else: |
| 90 | stream.write("\t\t.content = \"%s\",\n" % c_escape(content)) |
| 91 | stream.write("\t},\n") |
| 92 | return True |
| 93 | finally: |
| 94 | os.remove(temp_path) |
| 95 | |
| 96 | |
| 97 | def main(args): |
| 98 | options = parser.parse_args(args) |
| 99 | |
| 100 | # with open(os.path.join("test", "dmesg", options.prefix + ".log"), "w") as dmesg_log: |
| 101 | # dmesg_log.write(device.Shell("dmesg")) |
| 102 | with open(os.path.join("test", options.prefix + ".h"), "w") as file_header: |
| 103 | file_header.write("struct cpuinfo_mock_file filesystem[] = {\n") |
| 104 | for path in SYSTEM_FILES: |
| 105 | dump_device_file(file_header, path) |
| 106 | for cpu in range(16): |
| 107 | for filename in CPU_FILES: |
| 108 | path = "/sys/devices/system/cpu/cpu%d/%s" % (cpu, filename) |
| 109 | dump_device_file(file_header, path) |
| 110 | for index in range(10): |
| 111 | for filename in CACHE_FILES: |
| 112 | path = "/sys/devices/system/cpu/cpu%d/cache/index%d/%s" % (cpu, index, filename) |
| 113 | dump_device_file(file_header, path) |
| 114 | file_header.write("\t{ NULL },\n") |
| 115 | file_header.write("};\n") |
| 116 | adb_pull("/proc/cpuinfo", |
| 117 | os.path.join("test", "cpuinfo", options.prefix + ".log")) |
| 118 | adb_pull("/system/build.prop", |
| 119 | os.path.join("test", "build.prop", options.prefix + ".log")) |
| 120 | |
| 121 | if __name__ == "__main__": |
| 122 | main(sys.argv[1:]) |