2 files changed, 28 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
diff --git a/tb/sim/stack.py b/tb/sim/stack.py
new file mode 100644
index 0000000..c1f4e7f
--- /dev/null
+++ b/tb/sim/stack.py
@@ -0,0 +1,8 @@
+def final():
+    assert_reg(r0, 0x0123_4567)
+    assert_reg(r1, 0x89ab_cdef)
+    assert_reg(r2, 0x1fff_fff4)
+    assert_reg(r3, 0x1fff_fffc)
+    assert_reg(r4, 0x1fff_fff8)
+    assert_reg(r5, 0x1fff_fffc)
+    assert_reg(sp_svc, 0x2000_0000)