From 3e134fb9758ca0bc5b0d4cad9d95564aa019be5f Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 23 Oct 2022 19:12:09 -0600
Subject: Add sim test: stack

---
 tb/sim/stack.S | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tb/sim/stack.S

(limited to 'tb/sim/stack.S')

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
-- 
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