tools: hex2c: Add crc32s for each segment

Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>

1 files changed, 5 insertions, 1 deletions

diff --git a/tools/hex2c.py b/tools/hex2c.py
index eb4f34d..fa4762c 100755
--- a/tools/hex2c.py
+++ b/tools/hex2c.py
@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 # Copyright (C) 2020 Daniel Thompson
 
+import binascii
 import intelhex
 import sys
 
@@ -14,6 +15,7 @@ def generate_c(ihex):
     print('struct segment {')
     print('    uint32_t start;');
     print('    uint32_t end;');
+    print('    uint32_t crc32;')
     print('    const uint8_t *data;')
     print('};')
     print()
@@ -29,7 +31,9 @@ def generate_c(ihex):
         print('\n};\n')
     print(f'const struct segment segments[] = {{')
     for i, segment in enumerate(ihex.segments()):
-        print(f'    0x{segment[0]:08x}, 0x{segment[1]:08x}, segment{i},')
+        sg = ihex.tobinarray(start=segment[0], end=segment[1]-1)
+        crc = binascii.crc32(sg)
+        print(f'    0x{segment[0]:08x}, 0x{segment[1]:08x}, 0x{crc:08x}, segment{i},')
     print('};')
 
 ihex = intelhex.IntelHex()