From 1e9daa3ccda0a39a8b260649ddc3c75f95a88bdf Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Wed, 6 May 2026 05:20:48 +0000
Subject: dump_mb2i: add support for bios boot device tag

---
 scripts/gdb/teachos/dump_mb2i.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'scripts/gdb')

diff --git a/scripts/gdb/teachos/dump_mb2i.py b/scripts/gdb/teachos/dump_mb2i.py
index ff15fde..41a2932 100644
--- a/scripts/gdb/teachos/dump_mb2i.py
+++ b/scripts/gdb/teachos/dump_mb2i.py
@@ -123,6 +123,12 @@ class DumpMB2I(gdb.Command):
                 )
                 if string:
                     gdb.write(f'{INDENT}string: "{string}"\n')
+            elif tag_type == 5:
+                data = inferior.read_memory(tag_address + 8, tag_size - 8).tobytes()
+                device, partition, sub_partition = struct.unpack_from("<III", data)
+                gdb.write(
+                    f"{INDENT}device: {device:#04x} | partition: {partition:#06x} | sub-partion: {sub_partition:#06x}\n"
+                )
             elif tag_type == 6:
                 data = inferior.read_memory(tag_address + 8, tag_size - 8).tobytes()
                 entry_size, entry_version = struct.unpack_from("<II", data)
-- 
cgit v1.2.3