From 1094451235282af6a9daba2b2a460577f82d289c Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Tue, 3 Oct 2023 18:56:36 -0600
Subject: tb/sim/strex: test monitor after exception

---
 tb/sim/strex.S | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tb/sim/strex.S b/tb/sim/strex.S
index 5ea2b33..575a839 100644
--- a/tb/sim/strex.S
+++ b/tb/sim/strex.S
@@ -6,6 +6,9 @@ reset:
 	str   r1, [r0]
 	mvn   r1, r1
 	str   r1, [r0, #4]
+	mov   r12, lr
+	swi   #0
+	mov   lr, r12
 	strex r2, r0, [r0] @ Debe fallar
 	ldrex r3, [r0]
 	add   r0, r0, #4
@@ -14,3 +17,7 @@ reset:
 	sub   r0, r0, #4
 	strex r6, r4, [r0] @ Debe servir
 	mov   pc, lr
+
+.global swi
+swi:
+	movs  pc, lr
-- 
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