From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- roms/edk2/BaseTools/Source/Python/AmlToC/AmlToC.py | 142 +++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 roms/edk2/BaseTools/Source/Python/AmlToC/AmlToC.py (limited to 'roms/edk2/BaseTools/Source/Python/AmlToC') diff --git a/roms/edk2/BaseTools/Source/Python/AmlToC/AmlToC.py b/roms/edk2/BaseTools/Source/Python/AmlToC/AmlToC.py new file mode 100644 index 000000000..346de7159 --- /dev/null +++ b/roms/edk2/BaseTools/Source/Python/AmlToC/AmlToC.py @@ -0,0 +1,142 @@ +## @file +# +# Convert an AML file to a .c file containing the AML bytecode stored in a +# C array. +# By default, "Tables\Dsdt.aml" will generate "Tables\Dsdt.c". +# "Tables\Dsdt.c" will contain a C array named "dsdt_aml_code" that contains +# the AML bytecode. +# +# Copyright (c) 2020, ARM Limited. All rights reserved.<BR> +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# + +import argparse +import Common.EdkLogger as EdkLogger +from Common.BuildToolError import * +import sys +import os + +__description__ = """ +Convert an AML file to a .c file containing the AML bytecode stored in a C +array. By default, Tables\Dsdt.aml will generate Tables\Dsdt.c. +Tables\Dsdt.c will contain a C array named "dsdt_aml_code" that contains +the AML bytecode. +""" + +## Parse the command line arguments. +# +# @retval A argparse.NameSpace instance, containing parsed values. +# +def ParseArgs(): + # Initialize the parser. + Parser = argparse.ArgumentParser(description=__description__) + + # Define the possible arguments. + Parser.add_argument(dest="InputFile", + help="Path to an input AML file to generate a .c file from.") + Parser.add_argument("-o", "--out-dir", dest="OutDir", + help="Output directory where the .c file will be generated. Default is the input file's directory.") + + # Parse the input arguments. + Args = Parser.parse_args() + SplitInputName = "" + + if not os.path.exists(Args.InputFile): + EdkLogger.error(__file__, FILE_OPEN_FAILURE, + ExtraData=Args.InputFile) + return None + else: + with open(Args.InputFile, "rb") as fIn: + Signature = str(fIn.read(4)) + if ("DSDT" not in Signature) and ("SSDT" not in Signature): + EdkLogger.info("Invalid file type. File does not have a valid DSDT or SSDT signature: {}".format(Args.InputFile)) + return None + + # Get the basename of the input file. + SplitInputName = os.path.splitext(Args.InputFile) + BaseName = os.path.basename(SplitInputName[0]) + + # If no output directory is specified, output to the input directory. + if not Args.OutDir: + Args.OutputFile = os.path.join(os.path.dirname(Args.InputFile), + BaseName + ".c") + else: + if not os.path.exists(Args.OutDir): + os.mkdir(Args.OutDir) + Args.OutputFile = os.path.join(Args.OutDir, BaseName + ".c") + + Args.BaseName = BaseName + + return Args + +## Convert an AML file to a .c file containing the AML bytecode stored +# in a C array. +# +# @param InputFile Path to the input AML file. +# @param OutputFile Path to the output .c file to generate. +# @param BaseName Base name of the input file. +# This is also the name of the generated .c file. +# +def AmlToC(InputFile, OutputFile, BaseName): + + ArrayName = BaseName.lower() + "_aml_code" + FileHeader =\ +""" +// This file has been generated from: +// -Python script: {} +// -Input AML file: {} + +""" + + with open(InputFile, "rb") as fIn, open(OutputFile, "w") as fOut: + # Write header. + fOut.write(FileHeader.format(os.path.abspath(InputFile), os.path.abspath(__file__))) + + # Write the array and its content. + fOut.write("unsigned char {}[] = {{\n ".format(ArrayName)) + cnt = 0 + byte = fIn.read(1) + while len(byte) != 0: + fOut.write("0x{0:02X}, ".format(ord(byte))) + cnt += 1 + if (cnt % 8) == 0: + fOut.write("\n ") + byte = fIn.read(1) + fOut.write("\n};\n") + +## Main method +# +# This method: +# 1- Initialize an EdkLogger instance. +# 2- Parses the input arguments. +# 3- Converts an AML file to a .c file containing the AML bytecode stored +# in a C array. +# +# @retval 0 Success. +# @retval 1 Error. +# +def Main(): + # Initialize an EdkLogger instance. + EdkLogger.Initialize() + + try: + # Parse the input arguments. + CommandArguments = ParseArgs() + if not CommandArguments: + return 1 + + # Convert an AML file to a .c file containing the AML bytecode stored + # in a C array. + AmlToC(CommandArguments.InputFile, CommandArguments.OutputFile, CommandArguments.BaseName) + except Exception as e: + print(e) + return 1 + + return 0 + +if __name__ == '__main__': + r = Main() + # 0-127 is a safe return range, and 1 is a standard default error + if r < 0 or r > 127: r = 1 + sys.exit(r) -- cgit