From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio

---
 kernel/arch/m68k/kernel/entry.S |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/arch/m68k/kernel/entry.S b/kernel/arch/m68k/kernel/entry.S
index 9dd76fb..546bab6 100644
--- a/kernel/arch/m68k/kernel/entry.S
+++ b/kernel/arch/m68k/kernel/entry.S
@@ -167,9 +167,12 @@
 	jbsr	syscall_trace
 	RESTORE_SWITCH_STACK
 	addql	#4,%sp
+	addql	#1,%d0			| optimization for cmpil #-1,%d0
+	jeq	ret_from_syscall
 	movel	%sp@(PT_OFF_ORIG_D0),%d0
 	cmpl	#NR_syscalls,%d0
 	jcs	syscall
+	jra	ret_from_syscall
 badsys:
 	movel	#-ENOSYS,%sp@(PT_OFF_D0)
 	jra	ret_from_syscall

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