From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart

---
 kernel/arch/m68k/coldfire/entry.S |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/kernel/arch/m68k/coldfire/entry.S b/kernel/arch/m68k/coldfire/entry.S
index 52d312d..f1d41a9 100644
--- a/kernel/arch/m68k/coldfire/entry.S
+++ b/kernel/arch/m68k/coldfire/entry.S
@@ -92,6 +92,8 @@
 	jbsr	syscall_trace_enter
 	RESTORE_SWITCH_STACK
 	addql	#4,%sp
+	addql	#1,%d0
+	jeq	ret_from_exception
 	movel	%d3,%a0
 	jbsr	%a0@
 	movel	%d0,%sp@(PT_OFF_D0)		/* save the return value */
@@ -108,7 +110,7 @@
 	btst	#5,%sp@(PT_OFF_SR)	/* check if returning to kernel */
 	jeq	Luser_return		/* if so, skip resched, signals */
 
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
 	movel	%sp,%d1			/* get thread_info pointer */
 	andl	#-THREAD_SIZE,%d1	/* at base of kernel stack */
 	movel	%d1,%a0

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