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/sh/kernel/entry-common.S |   70 +++++++++++++++++------------------
 1 files changed, 34 insertions(+), 36 deletions(-)

diff --git a/kernel/arch/sh/kernel/entry-common.S b/kernel/arch/sh/kernel/entry-common.S
index ed5b758..91ab260 100644
--- a/kernel/arch/sh/kernel/entry-common.S
+++ b/kernel/arch/sh/kernel/entry-common.S
@@ -1,11 +1,7 @@
-/* 
+/* SPDX-License-Identifier: GPL-2.0
+ *
  *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
  *  Copyright (C) 2003 - 2008  Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  */
 
 ! NOTE:
@@ -45,7 +41,7 @@
  */
 #include <asm/dwarf.h>
 
-#if defined(CONFIG_PREEMPT)
+#if defined(CONFIG_PREEMPTION)
 #  define preempt_stop()	cli ; TRACE_IRQS_OFF
 #else
 #  define preempt_stop()
@@ -88,7 +84,7 @@
 	get_current_thread_info r8, r0
 	bt	resume_kernel	! Yes, it's from kernel, go back soon
 
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
 	bra	resume_userspace
 	 nop
 ENTRY(resume_kernel)
@@ -181,34 +177,6 @@
 	 nop
 	bra	resume_userspace
 	 nop
-
-	.align	2
-syscall_trace_entry:
-	!                     	Yes it is traced.
-	mov     r15, r4
-	mov.l	7f, r11		! Call do_syscall_trace_enter which notifies
-	jsr	@r11	    	! superior (will chomp R[0-7])
-	 nop
-	mov.l	r0, @(OFF_R0,r15)	! Save return value
-	!			Reload R0-R4 from kernel stack, where the
-	!   	    	    	parent may have modified them using
-	!   	    	    	ptrace(POKEUSR).  (Note that R0-R2 are
-	!   	    	    	reloaded from the kernel stack by syscall_call
-	!   	    	    	below, so don't need to be reloaded here.)
-	!   	    	    	This allows the parent to rewrite system calls
-	!   	    	    	and args on the fly.
-	mov.l	@(OFF_R4,r15), r4   ! arg0
-	mov.l	@(OFF_R5,r15), r5
-	mov.l	@(OFF_R6,r15), r6
-	mov.l	@(OFF_R7,r15), r7   ! arg3
-	mov.l	@(OFF_R3,r15), r3   ! syscall_nr
-	!
-	mov.l	6f, r10			! Number of syscalls
-	cmp/hs	r10, r3
-	bf	syscall_call
-	mov	#-ENOSYS, r0
-	bra	syscall_exit
-	 mov.l	r0, @(OFF_R0,r15)	! Return value
 
 __restore_all:
 	mov	#OFF_SR, r0
@@ -392,6 +360,36 @@
 	bf	syscall_exit_work
 	bra	__restore_all
 	 nop
+
+	.align	2
+syscall_trace_entry:
+	!                     	Yes it is traced.
+	mov     r15, r4
+	mov.l	7f, r11		! Call do_syscall_trace_enter which notifies
+	jsr	@r11	    	! superior (will chomp R[0-7])
+	 nop
+	cmp/eq	#-1, r0
+	bt	syscall_exit
+	!			Reload R0-R4 from kernel stack, where the
+	!   	    	    	parent may have modified them using
+	!   	    	    	ptrace(POKEUSR).  (Note that R0-R2 are
+	!   	    	    	reloaded from the kernel stack by syscall_call
+	!   	    	    	below, so don't need to be reloaded here.)
+	!   	    	    	This allows the parent to rewrite system calls
+	!   	    	    	and args on the fly.
+	mov.l	@(OFF_R4,r15), r4   ! arg0
+	mov.l	@(OFF_R5,r15), r5
+	mov.l	@(OFF_R6,r15), r6
+	mov.l	@(OFF_R7,r15), r7   ! arg3
+	mov.l	@(OFF_R3,r15), r3   ! syscall_nr
+	!
+	mov.l	6f, r10			! Number of syscalls
+	cmp/hs	r10, r3
+	bf	syscall_call
+	mov	#-ENOSYS, r0
+	bra	syscall_exit
+	 mov.l	r0, @(OFF_R0,r15)	! Return value
+
 	.align	2
 #if !defined(CONFIG_CPU_SH2)
 1:	.long	TRA

--
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