android_kernel_motorola_sm6225/arch/mips/include/asm/watch.h
David Daney 6aa3524c18 MIPS: Add HARDWARE_WATCHPOINTS definitions and support code.
This is the main support code for the patch.  Here we just add the
code, the following patches hook it up.

Signed-off-by: David Daney <ddaney@avtrex.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

 create mode 100644 arch/mips/include/asm/watch.h
 create mode 100644 arch/mips/kernel/watch.c
2008-10-11 16:18:56 +01:00

32 lines
799 B
C

/*
* 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(void);
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() do { \
if (unlikely(test_bit(TIF_LOAD_WATCH, \
&current_thread_info()->flags))) { \
mips_install_watch_registers(); \
} \
} while (0)
#else
#define __restore_watch() do {} while (0)
#endif
#endif /* _ASM_WATCH_H */