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