From 0ace22d6f88692883584119c64ff010f4cee6738 Mon Sep 17 00:00:00 2001
From: salmonik <salmonik@tuta.io>
Date: Fri, 31 Jul 2026 03:22:20 +0200
Subject: fix(rsdos): organizational changes

---
 scripts/debug-kernel.py | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100755 scripts/debug-kernel.py

(limited to 'scripts/debug-kernel.py')

diff --git a/scripts/debug-kernel.py b/scripts/debug-kernel.py
new file mode 100755
index 0000000..c794ad6
--- /dev/null
+++ b/scripts/debug-kernel.py
@@ -0,0 +1,64 @@
+"""
+GDB Python script for debugging raisernics under QEMU.
+
+Usage:
+  1. Terminal 1: ./tools/qemu.sh --debug
+  2. Terminal 2: gdb -x tools/debug-kernel.py target/x86_64-unknown-uefi/debug/raisernics.efi
+"""
+
+import gdb
+import os
+
+# Find the kernel binary
+script_dir = os.path.dirname(os.path.abspath(__file__))
+project_root = os.path.dirname(script_dir)
+binary = os.path.join(
+    project_root,
+    "target/x86_64-unknown-uefi/debug/raisernics.efi"
+)
+
+# Connect to QEMU's GDB stub
+gdb.execute("target remote :1234")
+
+# Load the binary (add symbol table)
+if os.path.exists(binary):
+    gdb.execute(f"symbol-file {binary}")
+    print(f"Loaded symbols from {binary}")
+else:
+    print(f"WARNING: {binary} not found. Build with debug symbols first.")
+
+gdb.execute("set breakpoint pending on")
+
+
+# Helper commands
+class DumpBootServices(gdb.Command):
+    """Dump EFI boot services signature and key pointers"""
+
+    def __init__(self):
+        super().__init__("dump-bs", gdb.COMMAND_USER)
+
+    def invoke(self, argument, from_tty):
+        del argument, from_tty
+        gdb.execute("printf \"SystemTable, BootServices, and key function pointers\\n\"")
+        gdb.execute("info functions efi_main")
+
+
+class DumpGop(gdb.Command):
+    """Dump GOP framebuffer info"""
+
+    def __init__(self):
+        super().__init__("dump-gop", gdb.COMMAND_USER)
+
+    def invoke(self, argument, from_tty):
+        del argument, from_tty
+        gdb.execute("printf \"Check the gop::Framebuffer static\\n\"")
+
+
+DumpBootServices()
+DumpGop()
+
+print("")
+print("raisernics GDB session ready.")
+print("  target remote :1234 (connected)")
+print("  Commands: continue, stepi, bt, info registers, etc.")
+print("  Custom:   dump-bs, dump-gop")
-- 
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