mirror of
https://github.com/espressif/esp-idf
synced 2025-03-10 01:29:21 -04:00
132 lines
4.6 KiB
Python
132 lines
4.6 KiB
Python
# SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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import argparse
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from typing import List
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from typing import Set
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from typing import Tuple
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import yaml
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SEC_SRV_TABLE_SPLIT_ID = 30
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OUTPUT_HEADERS = [
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'secure_service_num.h',
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'secure_service_dec.h',
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'secure_service_int.h',
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'secure_service_ext.h',
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]
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def parse_services(yml_files: List[str], excluded_fam: Set[str]) -> List[Tuple[int, str, int]]:
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services, service_ids = [], set()
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for yml_file in yml_files:
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with open(yml_file, 'r') as f:
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data = yaml.safe_load(f)
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for family in data.get('secure_services', []):
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family_name = family.get('family', '')
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if family_name in excluded_fam:
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continue
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for entry in family.get('entries', []):
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service_id = entry['id']
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if service_id in service_ids:
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raise ValueError(f'Duplicate service call ID found: 0x{service_id:X}')
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service_ids.add(service_id)
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services.append((service_id, entry['function'], entry['args']))
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return sorted(services, key=lambda x: x[0])
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def generate_num_header(services: List[Tuple[int, str, int]], output_file: str) -> None:
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header = '''/**
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* THIS FILE WAS AUTOMATICALLY GENERATED. DO NOT EDIT!
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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'''
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body = '\n'.join(f'#define SS_{name.upper()}\t{nr}' for nr, name, _ in services)
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footer = f'\n#define MAX_SECURE_SERVICES_ID\t{services[-1][0] + 1 if services else 0}\n'
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footer += f'#define SECURE_SERVICES_NUM\t{len(services)}\n\n'
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footer += f'#define SECURE_SERVICES_SPLIT_ID\t{SEC_SRV_TABLE_SPLIT_ID}\n\n'
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footer += '''typedef void (*secure_service_t)(void);
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typedef struct { secure_service_t func; int nargs; } secure_service_entry_t;
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'''
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footer += '\n#ifdef __cplusplus\n}\n#endif\n'
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with open(output_file, 'w') as f:
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f.write(header + body + footer)
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def generate_dec_header(services: List[Tuple[int, str, int]], output_file: str) -> None:
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header = '''/**
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* THIS FILE WAS AUTOMATICALLY GENERATED. DO NOT EDIT!
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*/
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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'''
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body = '\n'.join(f'void _ss_{name}(void);' for _, name, _ in services)
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footer = '\n#ifdef __cplusplus\n}\n#endif\n'
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with open(output_file, 'w') as f:
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f.write(header + body + footer)
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def generate_table_split(services: List[Tuple[int, str, int]], output_file_1: str, output_file_2: str) -> None:
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header = '''/**
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* THIS FILE WAS AUTOMATICALLY GENERATED. DO NOT EDIT!
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*/
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#pragma once
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'''
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services_1 = [service for service in services if service[0] < SEC_SRV_TABLE_SPLIT_ID]
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services_2 = [service for service in services if service[0] >= SEC_SRV_TABLE_SPLIT_ID]
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body_1 = '\n'.join(f'__SECURE_SERVICE({nr}, {name}, {nargs})' for nr, name, nargs in services_1)
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body_2 = '\n'.join(f'__SECURE_SERVICE({nr}, {name}, {nargs})' for nr, name, nargs in services_2)
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with open(output_file_1, 'w') as f1, open(output_file_2, 'w') as f2:
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f1.write(header + body_1)
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f2.write(header + body_2)
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def generate_wrap_list(yml_files: List[str], excluded_fam: Set[str]) -> None:
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wrap_list: list[str] = []
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for yml_file in yml_files:
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with open(yml_file, 'r') as f:
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data = yaml.safe_load(f)
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wrap_list.extend(
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f'-Wl,--wrap={entry["function"]}'
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for family in data.get('secure_services', [])
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for entry in family.get('entries', [])
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if entry['type'] == 'IDF' and family.get('family', '') not in excluded_fam
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)
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print(' '.join(wrap_list), end='')
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def main() -> None:
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parser = argparse.ArgumentParser(description='Generate secure service outputs from YAML table')
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parser.add_argument('--wrap', action='store_true', help='Generate linker wrap options')
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parser.add_argument('-s', '--sec_srv', nargs='+', required=True, help='Secure service table(s) in YAML')
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parser.add_argument('--exclude', nargs='*', default=[], help='List of API families to exclude from the output')
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args = parser.parse_args()
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excluded_fam = set(args.exclude)
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if args.wrap:
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generate_wrap_list(args.sec_srv, excluded_fam)
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else:
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services = parse_services(args.sec_srv, excluded_fam)
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generate_num_header(services, OUTPUT_HEADERS[0])
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generate_dec_header(services, OUTPUT_HEADERS[1])
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generate_table_split(services, OUTPUT_HEADERS[2], OUTPUT_HEADERS[3])
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if __name__ == '__main__':
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main()
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