name : dump_acpi_tables.py #!/usr/bin/python3 """Dump ACPI tables.""" # TODO: Address following pylint complaints # pylint: disable=invalid-name import os import stat import sys def dump_acpi_table(filename, tablename, out): """Dump a single ACPI table.""" if not os.access(filename, os.R_OK): return out.write(f"{tablename[0:4]} @ 0x0000000000000000\n") n = 0 with open(filename, "rb") as f: hex_str = "" try: byte = f.read(1) while byte != b"": val = ord(byte) if (n & 15) == 0: if n > 65535: hex_str = f" {n:04X}: " else: hex_str = f" {n:04X}: " ascii_str = "" hex_str = f"{hex_str}{val:02X} " if (val < 32) or (val > 126): ascii_str = f"{ascii_str}." else: ascii_str = ascii_str + chr(val) n = n + 1 if (n & 15) == 0: out.write(f"{hex_str} {ascii_str}\n") byte = f.read(1) finally: if (n % 16) != 0: hex_str += " " * (16 - n % 16) out.write(f"{hex_str} {ascii_str}\n") out.write("\n") def dump_acpi_tables(path, out): """Dump ACPI tables.""" tables = os.listdir(path) for tablename in tables: pathname = os.path.join(path, tablename) mode = os.stat(pathname).st_mode if stat.S_ISDIR(mode): dump_acpi_tables(pathname, out) else: dump_acpi_table(pathname, tablename, out) if os.path.isdir("/sys/firmware/acpi/tables"): dump_acpi_tables("/sys/firmware/acpi/tables", sys.stdout)