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-rw-r--r--tb/sim/start.S6
1 files changed, 5 insertions, 1 deletions
diff --git a/tb/sim/start.S b/tb/sim/start.S
index 54a8d1f..7639513 100644
--- a/tb/sim/start.S
+++ b/tb/sim/start.S
@@ -4,7 +4,7 @@ __reset:
b _start
__undefined:
- b __undefined
+ b undefined
__swi:
b __data_abort
@@ -28,3 +28,7 @@ _start:
ldr sp, =_stack_end
bl reset
b .
+
+.weak undefined
+undefined:
+ b undefined