73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
|
/*
|
||
|
|
* Based on arch/arm/include/asm/traps.h
|
||
|
|
*
|
||
|
|
* Copyright (C) 2012 ARM Ltd.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
#ifndef __ASM_TRAP_H
|
||
|
|
#define __ASM_TRAP_H
|
||
|
|
|
||
|
|
#include <linux/list.h>
|
||
|
|
#include <asm/sections.h>
|
||
|
|
|
||
|
|
struct pt_regs;
|
||
|
|
|
||
|
|
struct undef_hook {
|
||
|
|
struct list_head node;
|
||
|
|
u32 instr_mask;
|
||
|
|
u32 instr_val;
|
||
|
|
u64 pstate_mask;
|
||
|
|
u64 pstate_val;
|
||
|
|
int (*fn)(struct pt_regs *regs, u32 instr);
|
||
|
|
};
|
||
|
|
|
||
|
|
void register_undef_hook(struct undef_hook *hook);
|
||
|
|
void unregister_undef_hook(struct undef_hook *hook);
|
||
|
|
|
||
|
|
void arm64_notify_segfault(struct pt_regs *regs, unsigned long addr);
|
||
|
|
|
||
|
|
static inline int __in_irqentry_text(unsigned long ptr)
|
||
|
|
{
|
||
|
|
return ptr >= (unsigned long)&__irqentry_text_start &&
|
||
|
|
ptr < (unsigned long)&__irqentry_text_end;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef CONFIG_SERROR_HANDLER
|
||
|
|
struct serr_hook {
|
||
|
|
struct list_head node;
|
||
|
|
void *priv;
|
||
|
|
/* returns 0, if the MCA error needs reboot.
|
||
|
|
* returns 1, if the MCA error doesn't need reboot or
|
||
|
|
* no MCA Error is detected.
|
||
|
|
*/
|
||
|
|
int (*fn)(struct pt_regs *regs, int reason,
|
||
|
|
unsigned int esr, void *priv);
|
||
|
|
};
|
||
|
|
|
||
|
|
void register_serr_hook(struct serr_hook *hook);
|
||
|
|
void unregister_serr_hook(struct serr_hook *hook);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline int in_exception_text(unsigned long ptr)
|
||
|
|
{
|
||
|
|
int in;
|
||
|
|
|
||
|
|
in = ptr >= (unsigned long)&__exception_text_start &&
|
||
|
|
ptr < (unsigned long)&__exception_text_end;
|
||
|
|
|
||
|
|
return in ? : __in_irqentry_text(ptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|