71 lines
1020 B
ArmAsm
71 lines
1020 B
ArmAsm
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/* SPDX-License-Identifier: GPL-2.0
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*
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* arch/sh/kernel/cpu/sh2a/ex.S
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*
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* The SH-2A exception vector table
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*
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* Copyright (C) 2008 Yoshinori Sato
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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 no 0 to 255
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exception_entry0:
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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_trampoline0
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mov #no,r1
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no = no + 1
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.endr
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exception_trampoline0:
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mov.l r0,@-sp
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mov.l 1f,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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1: .long exception_handler
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! exception no 256 to 511
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exception_entry1:
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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_trampoline1
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mov #no,r1
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no = no + 1
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.endr
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exception_trampoline1:
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mov.l r0,@-sp
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extu.b r1,r1
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movi20 #0x100,r0
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add r0,r1
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mov.l 1f,r0
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jmp @r0
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extu.w r1,r1
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.align 2
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1: .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_entry0 + vector * 6
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vector = vector + 1
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.endr
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vector = 0
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.rept 256
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.long exception_entry1 + vector * 6
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vector = vector + 1
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.endr
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