48 lines
		
	
	
		
			821 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			821 B
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
/*
 | 
						|
 * arch/sh/kernel/cpu/sh2/ex.S
 | 
						|
 *
 | 
						|
 * The SH-2 exception vector table
 | 
						|
 *
 | 
						|
 * Copyright (C) 2005 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_entry:	
 | 
						|
no	=	0
 | 
						|
	.rept	256
 | 
						|
	mov.l	r1,@-sp
 | 
						|
	bra	exception_trampoline
 | 
						|
	mov	#no,r1
 | 
						|
no	=	no + 1
 | 
						|
	.endr
 | 
						|
exception_trampoline:
 | 
						|
	mov.l	r0,@-sp
 | 
						|
	mov.l	$exception_handler,r0
 | 
						|
	extu.b	r1,r1
 | 
						|
	jmp	@r0
 | 
						|
	  extu.w	r1,r1
 | 
						|
 | 
						|
	.align	2
 | 
						|
$exception_entry:
 | 
						|
	.long	exception_entry
 | 
						|
$exception_handler:
 | 
						|
	.long	exception_handler
 | 
						|
!
 | 
						|
! Exception Vector Base
 | 
						|
!
 | 
						|
	.align	2
 | 
						|
ENTRY(vbr_base)
 | 
						|
vector	=	0
 | 
						|
	.rept	256
 | 
						|
	.long	exception_entry + vector * 6
 | 
						|
vector	=	vector + 1
 | 
						|
	.endr
 |