6aa3524c18
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
32 lines
799 B
C
32 lines
799 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2008 David Daney
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*/
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#ifndef _ASM_WATCH_H
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#define _ASM_WATCH_H
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#include <linux/bitops.h>
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#include <asm/mipsregs.h>
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void mips_install_watch_registers(void);
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void mips_read_watch_registers(void);
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void mips_clear_watch_registers(void);
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void mips_probe_watch_registers(struct cpuinfo_mips *c);
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#ifdef CONFIG_HARDWARE_WATCHPOINTS
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#define __restore_watch() do { \
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if (unlikely(test_bit(TIF_LOAD_WATCH, \
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¤t_thread_info()->flags))) { \
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mips_install_watch_registers(); \
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} \
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} while (0)
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#else
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#define __restore_watch() do {} while (0)
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#endif
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#endif /* _ASM_WATCH_H */
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