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This patch is By sh2 - Remove duplicate code - Reduce stack usage - Cleanup and little optimize By sh2a - Add missing handler(256 to 511) - Use sh2a instructions handler Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
48 lines
821 B
ArmAsm
48 lines
821 B
ArmAsm
/*
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* arch/sh/kernel/cpu/sh2/ex.S
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*
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* The SH-2 exception vector table
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*
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* Copyright (C) 2005 Yoshinori Sato
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/linkage.h>
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!
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! convert Exception Vector to Exception Number
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!
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exception_entry:
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no = 0
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.rept 256
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mov.l r1,@-sp
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bra exception_trampoline
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mov #no,r1
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no = no + 1
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.endr
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exception_trampoline:
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mov.l r0,@-sp
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mov.l $exception_handler,r0
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extu.b r1,r1
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jmp @r0
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extu.w r1,r1
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.align 2
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$exception_entry:
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.long exception_entry
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$exception_handler:
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.long exception_handler
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!
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! Exception Vector Base
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!
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.align 2
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ENTRY(vbr_base)
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vector = 0
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.rept 256
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.long exception_entry + vector * 6
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vector = vector + 1
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.endr
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