linux/linux-5.4.31/arch/mips/include/asm/watch.h

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2024-01-30 10:43:28 +00:00
/*
* 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.
*
* Copyright (C) 2008 David Daney
*/
#ifndef _ASM_WATCH_H
#define _ASM_WATCH_H
#include <linux/bitops.h>
#include <asm/mipsregs.h>
void mips_install_watch_registers(struct task_struct *t);
void mips_read_watch_registers(void);
void mips_clear_watch_registers(void);
void mips_probe_watch_registers(struct cpuinfo_mips *c);
#ifdef CONFIG_HARDWARE_WATCHPOINTS
#define __restore_watch(task) do { \
if (unlikely(test_bit(TIF_LOAD_WATCH, \
&task_thread_info(task)->flags))) { \
mips_install_watch_registers(task); \
} \
} while (0)
#else
#define __restore_watch(task) do {} while (0)
#endif
#endif /* _ASM_WATCH_H */