| /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ |
| /* |
| * Copyright (c) 2019 Amlogic, Inc. All rights reserved. |
| */ |
| |
| #ifndef __AML_WATCH_POINT_H__ |
| #define __AML_WATCH_POINT_H__ |
| |
| #include <uapi/linux/elf.h> |
| #include <uapi/linux/hw_breakpoint.h> |
| #include <linux/perf_event.h> |
| |
| #define MAX_WATCH_POINTS 16 |
| |
| #ifdef CONFIG_HAVE_HW_BREAKPOINT |
| extern int aml_watch_point_register(unsigned long addr, |
| unsigned int len, |
| unsigned int type, |
| perf_overflow_handler_t handle); |
| |
| extern void aml_watch_point_remove(unsigned long addr); |
| #else |
| static inline int aml_watch_point_register(unsigned long addr, |
| unsigned int len, |
| unsigned int type, |
| perf_overflow_handler_t handle) |
| { |
| return -1; |
| } |
| |
| static inline void aml_watch_point_remove(unsigned long addr) |
| { |
| } |
| #endif |
| #endif |
