From 88cae9d13dcb7164d2445dca837ed76ac405ecd5 Mon Sep 17 00:00:00 2001
From: Solomon Peachy <pizza@shaftnet.org>
Date: Tue, 1 Jan 2019 23:27:24 -0500
Subject: Coldfire:  Don't clobber alwarm wakeup signal in dualboot mode

(See FS#7814 for details)

Change-Id: I6a09a8dfe1abc3a396ca8afe1dbbf1d203c7e3e2
---
 firmware/target/coldfire/crt0.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/firmware/target/coldfire/crt0.S b/firmware/target/coldfire/crt0.S
index 5e73131894..34492ec853 100644
--- a/firmware/target/coldfire/crt0.S
+++ b/firmware/target/coldfire/crt0.S
@@ -46,6 +46,10 @@ start:
     lea     MBAR2, %a1
     move.l  (%a1), %a0        /* store GPIO_READ result for button check in main() */
 
+    tst.b 0x30000000 /* preloader sets this to 1
+                        if woke up due to RTC alarm */
+    bne .loadrockbox
+
     /* Wait ~3 seconds for ON-button release. We need roughly 300ns per
        iteration, so we check 10000000 times to reach the desired delay */
     move.l  #10000000, %d0
-- 
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