From 4c075b8b6f3be0dbcd3eee9d94b3a73caf94f560 Mon Sep 17 00:00:00 2001
From: Alexander Myltsev <a.myltsev@gmail.com>
Date: Thu, 19 Jan 2023 23:07:49 +0400
Subject: [PATCH] qemu_shutdown: hlt until the emulator really shuts down.

---
 drivers/misc.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/misc.h b/drivers/misc.h
index bbb1701..353419b 100644
--- a/drivers/misc.h
+++ b/drivers/misc.h
@@ -4,5 +4,8 @@
 __attribute__((noreturn))
 static inline void qemu_shutdown() {
 	port_word_out(0x604, 0x2000);
+	while (1) {
+		asm("hlt");
+	}
 	__builtin_unreachable();
 }