| David Daney | 6aa3524 | 2008-09-23 00:05:54 -0700 | [diff] [blame] | 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 | |
| James Hogan | a7e8932 | 2016-03-01 22:19:36 +0000 | [diff] [blame] | 15 | void mips_install_watch_registers(struct task_struct *t); |
| David Daney | 6aa3524 | 2008-09-23 00:05:54 -0700 | [diff] [blame] | 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 |
| James Hogan | a7e8932 | 2016-03-01 22:19:36 +0000 | [diff] [blame] | 21 | #define __restore_watch(task) do { \ |
| David Daney | 6aa3524 | 2008-09-23 00:05:54 -0700 | [diff] [blame] | 22 | if (unlikely(test_bit(TIF_LOAD_WATCH, \ |
| James Hogan | a7e8932 | 2016-03-01 22:19:36 +0000 | [diff] [blame] | 23 | &task_thread_info(task)->flags))) { \ |
| 24 | mips_install_watch_registers(task); \ |
| David Daney | 6aa3524 | 2008-09-23 00:05:54 -0700 | [diff] [blame] | 25 | } \ |
| 26 | } while (0) |
| 27 | |
| 28 | #else |
| James Hogan | a7e8932 | 2016-03-01 22:19:36 +0000 | [diff] [blame] | 29 | #define __restore_watch(task) do {} while (0) |
| David Daney | 6aa3524 | 2008-09-23 00:05:54 -0700 | [diff] [blame] | 30 | #endif |
| 31 | |
| 32 | #endif /* _ASM_WATCH_H */ |