feat(core): jump to unprivileged mode after shutdown

3 years ago · 5984fd6ad7
parent 40b4f679f9
commit 5984fd6ad7
1 changed files with 3 additions and 0 deletions
--- 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