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Diffstat (limited to 'arch/sh/kernel/cpu/sh2/ex.S')
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/ex.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh2/ex.S b/arch/sh/kernel/cpu/sh2/ex.S new file mode 100644 index 000000000..85b0bf81f --- /dev/null +++ b/arch/sh/kernel/cpu/sh2/ex.S @@ -0,0 +1,47 @@ +/* + * 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 |