dump_mb2i: dump unsupported tags as hex

1 files changed, 11 insertions, 6 deletions

diff --git a/scripts/gdb/teachos/dump_mb2i.py b/scripts/gdb/teachos/dump_mb2i.py
index ca0c378..3a9ee4a 100644
--- a/scripts/gdb/teachos/dump_mb2i.py
+++ b/scripts/gdb/teachos/dump_mb2i.py
@@ -161,9 +161,9 @@ class DumpMB2I(gdb.Command):
 
     def _print_tag(self, inferior, tag_address, tag_type, tag_size):
         name = TAG_NAMES.get(tag_type, f"Unknown Tag")
-        gdb.write(
-            f"[Tag {tag_type:#04x}] {name} (size: {self._format_size(tag_size)})\n"
-        )
+        size = self._format_size(tag_size)
+        payload = self._format_size(tag_size - 8)
+        gdb.write(f"[Tag {tag_type:#04x}] {name} (size: {size} | payload: {payload})\n")
 
         if tag_size <= 8 and tag_type != TagType.END:
             return
@@ -182,9 +182,8 @@ class DumpMB2I(gdb.Command):
                 TagType.FRAMEBUFFER: self._write_framebuffer_info_tag,
             }
 
-            handler = handlers.get(tag_type)
-            if handler:
-                handler(data)
+            handler = handlers.get(tag_type, self._write_unknown_tag)
+            handler(data)
 
         except Exception as e:
             gdb.write(
@@ -242,3 +241,9 @@ class DumpMB2I(gdb.Command):
             gdb.write(f"{INDENT}width: {width} chars | height: {height} chars\n")
         else:
             gdb.write(f"{INDENT}width: {width} px | height: {height} px\n")
+
+    def _write_unknown_tag(self, data):
+        for i in range(0, len(data), 16):
+            chunk = data[i : i + 16]
+            hex_chunk = " ".join([f"{b:02x}" for b in chunk])
+            gdb.write(f"{INDENT}{i:#010x}: {hex_chunk}\n")