[deliverable/linux.git] / arch / mips / include / asm / watch.h

/*
 * 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 */
Commit	Line	Data
6aa3524c DD	1	/*
	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file "COPYING" in the main directory of this archive
	4	* for more details.
	5	*
	6	* Copyright (C) 2008 David Daney
	7	*/
	8	#ifndef _ASM_WATCH_H
	9	#define _ASM_WATCH_H
	10
	11	#include <linux/bitops.h>
	12
	13	#include <asm/mipsregs.h>
	14
a7e89326	15	void mips_install_watch_registers(struct task_struct *t);
6aa3524c DD	16	void mips_read_watch_registers(void);
	17	void mips_clear_watch_registers(void);
	18	void mips_probe_watch_registers(struct cpuinfo_mips *c);
	19
	20	#ifdef CONFIG_HARDWARE_WATCHPOINTS
a7e89326	21	#define __restore_watch(task) do { \
6aa3524c	22	if (unlikely(test_bit(TIF_LOAD_WATCH, \
a7e89326 JH	23	&task_thread_info(task)->flags))) { \
a7e89326 JH	24	mips_install_watch_registers(task); \
6aa3524c DD	25	} \
	26	} while (0)
	27
	28	#else
a7e89326	29	#define __restore_watch(task) do {} while (0)
6aa3524c DD	30	#endif
	31
	32	#endif /* _ASM_WATCH_H */