Research

tools/read_commit_table.py

@@ -0,0 +1,26 @@
+import argparse
+
+def main():
+    p = argparse.ArgumentParser()
+    p.add_argument('--file', required=True)
+    p.add_argument('--addr', required=True)
+    p.add_argument('--base', type=lambda x: int(x,0), default=0x80000000)
+    p.add_argument('--stride', type=int, default=10)
+    p.add_argument('--field_idx', type=int, default=9)
+    p.add_argument('--count', type=int, default=20)
+    args = p.parse_args()
+
+    addr = int(args.addr, 0)
+    offset = addr - args.base
+    with open(args.file, 'rb') as f:
+        for ch in range(args.count):
+            idx = offset + ch*args.stride + args.field_idx
+            f.seek(idx)
+            b = f.read(1)
+            if not b:
+                print(f"ch {ch:02d}: EOF")
+                break
+            print(f"ch {ch:02d}: addr {hex(addr + ch*args.stride + args.field_idx)} offset {hex(idx)} value {b[0]:02x} ({b[0]})")
+
+if __name__ == '__main__':
+    main()