1 files changed, 20 insertions, 0 deletions
diff --git a/tb/sim/stack.S b/tb/sim/stack.S
new file mode 100644
index 0000000..f1bc0a8
--- /dev/null
+++ b/tb/sim/stack.S
@@ -0,0 +1,20 @@
+.global reset
+reset:
+	ldr  r0, =stub1
+	ldr  r1, =stub2
+	push {r0, r1, lr}
+	mov  r2, sp
+	pop  {r5, pc}
+
+stub1:
+	ldr  r0, =0x01234567
+	pop  {pc}
+
+stub2:
+	mov  r3, sp
+	ldr  r1, =0x89abcdef
+	push {r5}
+	mov  r4, sp
+	pop  {lr}
+	mov  r5, sp
+	mov  pc, lr