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powerpc/8xx: add system_reset_exception

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When the watchdog is in NMI mode, the system reset interrupt is
generated when the watchdog counter expires.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <oss@buserror.net>
This commit is contained in:
Christophe Leroy 2016-09-05 08:42:31 +02:00 committed by Scott Wood
parent 63f1de8820
commit f307939fb2
2 changed files with 2 additions and 2 deletions
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2
arch/powerpc/kernel/head_8xx.S
View file

@ -226,7 +226,7 @@ i##n: \
ret_from_except)
/* System reset */
EXCEPTION(0x100, Reset, unknown_exception, EXC_XFER_STD)
EXCEPTION(0x100, Reset, system_reset_exception, EXC_XFER_STD)
/* Machine check */
. = 0x200

2
arch/powerpc/kernel/traps.c
View file

@ -273,7 +273,6 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
force_sig_info(signr, &info, current);
}
#ifdef CONFIG_PPC64
void system_reset_exception(struct pt_regs *regs)
{
/* See if any machine dependent calls */
@ -291,6 +290,7 @@ void system_reset_exception(struct pt_regs *regs)
/* What should we do here? We could issue a shutdown or hard reset. */
}
#ifdef CONFIG_PPC64
/*
* This function is called in real mode. Strictly no printk's please.
*