From 2a91e2b212ebe9fae160ae3a87d50d0ef02ac5b0 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Thu, 5 Oct 2023 05:38:18 -0600
Subject: demo: save r12 on irq entry

---
 demo/start.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/demo/start.S b/demo/start.S
index ecdeb3c..fd33231 100644
--- a/demo/start.S
+++ b/demo/start.S
@@ -49,9 +49,9 @@ _boot_num:
 
 _irq_entry:
 	ldr  sp, =_irq_stack
-	push {r0-r11, lr}
+	push {r0-r12, lr}
 	bl   irq
-	pop  {r0-r11, lr}
+	pop  {r0-r12, lr}
 	subs pc, lr, #4
 
 .weak undefined, swi, data_abort, prefetch_abort
-- 
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