feat(esp_tee): Support for ESP-TEE - the main component

components/esp_tee/scripts/secure_service_hdr.py

@@ -0,0 +1,76 @@
+#!/usr/bin/env python
+# SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Apache-2.0
+import argparse
+import re
+from typing import List
+from typing import Tuple
+
+
+def parse_services(secure_service_tbl: str) -> List[Tuple[str, str, str]]:
+    services: List[Tuple[str, str, str]] = []
+    pattern: re.Pattern = re.compile(r'^([0-9A-Fa-fXx]+)\s+\S+\s+(\S+)\s+(\d+)')
+    with open(secure_service_tbl, 'r') as f:
+        for line in f:
+            if match := pattern.match(line):
+                services.append((match.group(1), match.group(2), match.group(3)))
+    return sorted(services, key=lambda x: int(x[0]))
+
+
+def generate_num_header(services: List[Tuple[str, str, str]], output_file: str) -> None:
+    header_text: str = '''/**
+  * This header file is used to generate secure service number macros.
+  *
+  * THIS FILE WAS AUTOMATICALLY GENERATED. DO NOT EDIT!
+  */
+
+#pragma once
+'''
+    with open(output_file, 'w') as f:
+        f.write(header_text)
+        for nr, name, _ in services:
+            f.write(f'#define SS_{name.upper()}\t{nr}\n')
+        total: int = int(services[-1][0]) + 1 if services else 0
+        f.write(f'\n#define MAX_SECURE_SERVICES\t{total}\n\n')
+
+
+def generate_dec_header(services: List[Tuple[str, str, str]], output_file: str) -> None:
+    header_text: str = '''/**
+  * This header file is used to provide function declarations
+  * for compiling secure_service_table.c source file. Please do not
+  * use it in application.
+  *
+  * THIS FILE WAS AUTOMATICALLY GENERATED. DO NOT EDIT!
+  */
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+'''
+    with open(output_file, 'w') as f:
+        f.write(header_text)
+        for _, name, _ in services:
+            f.write(f'void _ss_{name}(void);\n')
+        f.write('''
+#ifdef __cplusplus
+}
+#endif
+''')
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description='Generate secure service headers')
+    parser.add_argument('secure_service_tbl', type=str, help='Path to secure_service.tbl generated in build directory')
+    parser.add_argument('secure_service_num_h', type=str, help='Path to secure_service_num.h header file')
+    parser.add_argument('secure_service_dec_h', type=str, help='Path to secure_service_dec.h header file')
+    args = parser.parse_args()
+
+    services: List[Tuple[str, str, str]] = parse_services(args.secure_service_tbl)
+    generate_num_header(services, args.secure_service_num_h)
+    generate_dec_header(services, args.secure_service_dec_h)
+
+
+if __name__ == '__main__':
+    main()