From 5984fd6ad7427e8b2ff8572e2651c8fa70af3231 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Vejpustek?= <ondrej.vejpustek@satoshilabs.com>
Date: Sun, 20 Jun 2021 17:57:22 +0200
Subject: [PATCH] feat(core): jump to unprivileged mode after shutdown

---
 core/embed/trezorhal/util.s | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/embed/trezorhal/util.s b/core/embed/trezorhal/util.s
index a17a01883..a2ea44793 100644
--- a/core/embed/trezorhal/util.s
+++ b/core/embed/trezorhal/util.s
@@ -151,6 +151,9 @@ shutdown_privileged:
   // set to value in r2
   bl memset_reg
   bl clear_otg_hs_memory
+  ldr r0, =1
+  msr control, r0 // jump to unprivileged mode
+  ldr r0, =0
   b . // loop forever
 
   .end