From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/sh/kernel/cpu/sh2a/ex.S | 73 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 arch/sh/kernel/cpu/sh2a/ex.S

(limited to 'arch/sh/kernel/cpu/sh2a/ex.S')

diff --git a/arch/sh/kernel/cpu/sh2a/ex.S b/arch/sh/kernel/cpu/sh2a/ex.S
new file mode 100644
index 00000000..45680667
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/ex.S
@@ -0,0 +1,73 @@
+/*
+ * arch/sh/kernel/cpu/sh2a/ex.S
+ *
+ * The SH-2A exception vector table
+ *
+ * Copyright (C) 2008 Yoshinori Sato
+ *
+ * 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.
+ */
+
+#include <linux/linkage.h>
+
+!
+! convert Exception Vector to Exception Number
+!
+
+! exception no 0 to 255
+exception_entry0:
+no	=	0
+	.rept	256
+	mov.l	r1,@-sp
+	bra	exception_trampoline0
+	mov	#no,r1
+no	=	no + 1
+	.endr
+exception_trampoline0:
+	mov.l	r0,@-sp
+	mov.l	1f,r0
+	extu.b	r1,r1
+	jmp	@r0
+	  extu.w	r1,r1
+	 
+	.align	2
+1:	.long	exception_handler
+
+! exception no 256 to 511
+exception_entry1:
+no	=	0
+	.rept	256
+	mov.l	r1,@-sp
+	bra	exception_trampoline1
+	mov	#no,r1
+no	=	no + 1
+	.endr
+exception_trampoline1:
+	mov.l	r0,@-sp
+	extu.b	r1,r1
+	movi20	#0x100,r0
+	add	r0,r1
+	mov.l	1f,r0
+	jmp	@r0
+	  extu.w	r1,r1
+	
+	.align	2
+1:	.long	exception_handler
+
+	!
+! Exception Vector Base
+!
+	.align	2
+ENTRY(vbr_base)
+vector	=	0
+	.rept	256
+	.long	exception_entry0 + vector * 6
+vector	=	vector + 1
+	.endr
+vector	=	0
+	.rept	256
+	.long	exception_entry1 + vector * 6
+vector	=	vector + 1
+	.endr
-- 
cgit v1.3.1