| #------------------------------------------------------------------------------- |
| # Copyright (c) 2018-2020, Arm Limited. All rights reserved. |
| # |
| # SPDX-License-Identifier: BSD-3-Clause |
| # |
| #------------------------------------------------------------------------------- |
| |
| import os |
| import io |
| import sys |
| import argparse |
| from jinja2 import Environment, BaseLoader, select_autoescape |
| |
| try: |
| import yaml |
| except ImportError as e: |
| print (str(e) + " To install it, type:") |
| print ("pip install PyYAML") |
| exit(1) |
| |
| donotedit_warning = \ |
| "/*********** " + \ |
| "WARNING: This is an auto-generated file. Do not edit!" + \ |
| " ***********/" |
| |
| DEFAULT_MANIFEST_LIST = os.path.join('tools', 'tfm_manifest_list.yaml') |
| DEFAULT_GEN_FILE_LIST = os.path.join('tools', 'tfm_generated_file_list.yaml') |
| |
| OUT_DIR = None # The root directory that files are generated to |
| |
| class TemplateLoader(BaseLoader): |
| """ |
| Template loader class. |
| |
| An instance of this class is passed to the template engine. It is |
| responsible for reading the template file |
| """ |
| def __init__(self): |
| pass |
| |
| def get_source(self, environment, template): |
| """ |
| This function reads the template files. |
| For detailed documentation see: |
| http://jinja.pocoo.org/docs/2.10/api/#jinja2.BaseLoader.get_source |
| |
| Please note that this function always return 'false' as 'uptodate' |
| value, so the output file will always be generated. |
| """ |
| if not os.path.isfile(template): |
| raise TemplateNotFound(template) |
| with open(template) as f: |
| source = f.read() |
| return source, template, False |
| |
| def process_manifest(manifest_list_file, append): |
| """ |
| Parse the input manifest, generate the data base for genereated files |
| and generate manifest header files. |
| |
| Parameters |
| ---------- |
| manifest_list_file: |
| The manifest list to parse. |
| append: |
| To append the manifest to original or not. |
| |
| Returns |
| ------- |
| The manifest header list and the data base. |
| """ |
| |
| db = [] |
| manifest_header_list = [] |
| manifest_list = [] |
| |
| if append: |
| # Load the default manifest first |
| with open(DEFAULT_MANIFEST_LIST) as default_manifest_list_yaml_file: |
| manifest_dic = yaml.safe_load(default_manifest_list_yaml_file) |
| manifest_list.extend(manifest_dic["manifest_list"]) |
| |
| with open(manifest_list_file) as manifest_list_yaml_file: |
| manifest_dic = yaml.safe_load(manifest_list_yaml_file) |
| manifest_list.extend(manifest_dic["manifest_list"]) |
| |
| templatefile_name = 'secure_fw/services/manifestfilename.template' |
| template = ENV.get_template(templatefile_name) |
| |
| for manifest_item in manifest_list: |
| manifest_path = os.path.expandvars(manifest_item['manifest']) |
| file = open(manifest_path) |
| manifest = yaml.safe_load(file) |
| |
| db.append({"manifest": manifest, "attr": manifest_item}) |
| |
| utilities = {} |
| utilities['donotedit_warning']=donotedit_warning |
| |
| context = {} |
| context['manifest'] = manifest |
| context['attr'] = manifest_item |
| context['utilities'] = utilities |
| |
| manifest_dir, manifest_name = os.path.split(manifest_path) |
| outfile_name = manifest_name.replace('yaml', 'h').replace('json', 'h') |
| context['file_name'] = outfile_name.replace('.h', '') |
| outfile_name = os.path.join(manifest_dir, "psa_manifest", outfile_name).replace('\\', '/') |
| |
| manifest_header_list.append(outfile_name) |
| |
| if OUT_DIR is not None: |
| outfile_name = os.path.join(OUT_DIR, outfile_name) |
| |
| outfile_path = os.path.dirname(outfile_name) |
| if not os.path.exists(outfile_path): |
| os.makedirs(outfile_path) |
| |
| print ("Generating " + outfile_name) |
| |
| outfile = io.open(outfile_name, "w", newline='\n') |
| outfile.write(template.render(context)) |
| outfile.close() |
| |
| return manifest_header_list, db |
| |
| def gen_files(context, gen_file_list, append): |
| """ |
| Generate files according to the gen_file_list |
| |
| Parameters |
| ---------- |
| gen_file_list: |
| The list of files to generate |
| append: |
| To append the manifest to original or not |
| """ |
| file_list = [] |
| |
| if append: |
| # read default file list first |
| with open(DEFAULT_GEN_FILE_LIST) as file_list_yaml_file: |
| file_list_yaml = yaml.safe_load(file_list_yaml_file) |
| file_list.extend(file_list_yaml["file_list"]) |
| |
| with open(gen_file_list) as file_list_yaml_file: |
| # read list of files that need to be generated from templates using db |
| file_list_yaml = yaml.safe_load(file_list_yaml_file) |
| file_list.extend(file_list_yaml["file_list"]) |
| |
| for file in file_list: |
| outfile_name = os.path.expandvars(file["output"]) |
| templatefile_name = os.path.expandvars(file["template"]) |
| |
| if OUT_DIR is not None: |
| outfile_name = os.path.join(OUT_DIR, outfile_name) |
| |
| outfile_path = os.path.dirname(outfile_name) |
| if not os.path.exists(outfile_path): |
| os.makedirs(outfile_path) |
| |
| template = ENV.get_template(templatefile_name) |
| |
| outfile = io.open(outfile_name, "w", newline='\n') |
| outfile.write(template.render(context)) |
| outfile.close() |
| |
| print ("Generation of files done") |
| |
| def parse_args(): |
| parser = argparse.ArgumentParser(description='Parse secure partition manifest list and generate files listed by the file list') |
| parser.add_argument('-o', '--outdir' |
| , dest='outdir' |
| , required=False |
| , default=None |
| , metavar='out_dir' |
| , help='The root directory for generated files, the default is TF-M root folder.') |
| |
| parser.add_argument('-m', '--manifest' |
| , nargs='*' |
| , dest='manifest_args' |
| , required=False |
| , default=[] |
| , metavar='manifest' |
| , help='The secure partition manifest list file to parse, the default is '+ DEFAULT_MANIFEST_LIST + '. \ |
| Or the manifest can be append to the default one by explicitly \"append\" it:\ |
| -m manifest_to_append append') |
| |
| parser.add_argument('-f', '--file-list' |
| , nargs='*' |
| , dest='gen_file_args' |
| , required=False |
| , default=[] |
| , metavar='file-list' |
| , help='The file descripes the file list to generate, the default is ' + DEFAULT_GEN_FILE_LIST + '. \ |
| Or the file list can be append to the default one by explicitly \"append\" it:\ |
| -f files_to_append append') |
| |
| args = parser.parse_args() |
| manifest_args = args.manifest_args |
| gen_file_args = args.gen_file_args |
| |
| if len(manifest_args) > 2 or len(gen_file_args) > 2: |
| parser.print_help() |
| exit(1) |
| |
| if len(manifest_args) == 2 and (manifest_args[1] != 'append' and manifest_args[1] != ''): |
| parser.print_help() |
| exit(1) |
| |
| if len(gen_file_args) == 2 and (gen_file_args[1] != 'append' and gen_file_args[1] != ''): |
| parser.print_help() |
| exit(1) |
| |
| return args |
| |
| ENV = Environment( |
| loader = TemplateLoader(), |
| autoescape = select_autoescape(['html', 'xml']), |
| lstrip_blocks = True, |
| trim_blocks = True, |
| keep_trailing_newline = True |
| ) |
| |
| def main(): |
| """ |
| The entry point of the script. |
| |
| Generates the output files based on the templates and the manifests. |
| """ |
| |
| global OUT_DIR |
| |
| args = parse_args() |
| |
| manifest_args = args.manifest_args |
| gen_file_args = args.gen_file_args |
| OUT_DIR = args.outdir |
| append_manifest = False |
| append_gen_file = False |
| |
| if len(manifest_args) == 2 and manifest_args[1] == 'append': |
| append_manifest = True |
| |
| if len(gen_file_args) == 2 and gen_file_args[1] == 'append': |
| append_gen_file = True |
| |
| if len(manifest_args) == 0: |
| manifest_list = DEFAULT_MANIFEST_LIST |
| else: |
| """ |
| Only convert to abs path when value is not default |
| Because the default value is a fixed relative path to TF-M root folder, |
| it will be various to different execution path if converted to absolute path. |
| The same for gen_file_list |
| """ |
| manifest_list = os.path.abspath(args.manifest_args[0]) |
| if len(gen_file_args) == 0: |
| gen_file_list = DEFAULT_GEN_FILE_LIST |
| else: |
| gen_file_list = os.path.abspath(args.gen_file_args[0]) |
| |
| # Arguments could be relative path. |
| # Convert to absolute path as we are going to change diretory later |
| if OUT_DIR is not None: |
| OUT_DIR = os.path.abspath(OUT_DIR) |
| |
| """ |
| Relative path to TF-M root folder is supported in the manifests |
| and default value of manifest list and generated file list are relative to TF-M root folder as well, |
| so first change directory to TF-M root folder. |
| By doing this, the script can be executed anywhere |
| The script is located in <TF-M root folder>/tools, so sys.path[0]<location of the script>/.. is TF-M root folder. |
| """ |
| os.chdir(os.path.join(sys.path[0], "..")) |
| |
| manifest_header_list, db = process_manifest(manifest_list, append_manifest) |
| |
| utilities = {} |
| context = {} |
| |
| utilities['donotedit_warning']=donotedit_warning |
| utilities['manifest_header_list']=manifest_header_list |
| |
| context['manifests'] = db |
| context['utilities'] = utilities |
| |
| gen_files(context, gen_file_list, append_gen_file) |
| |
| if __name__ == "__main__": |
| main() |