arch/arm/mach-mt8127/include/mach/hw_watchpoint.h

   1 #ifndef __HW_BREAKPOINT_H
   2 #define __HW_BREAKPOINT_H
   3
   4 typedef int (*wp_handler)(unsigned int addr);
   5
   6 struct wp_event
   7 {
   8     unsigned int virt;
   9     unsigned int phys;
  10     int type;
  11     wp_handler handler;
  12     int in_use;
  13     int auto_disable;
  14 };
  15
  16 #define WP_EVENT_TYPE_READ 1
  17 #define WP_EVENT_TYPE_WRITE 2
  18 #define WP_EVENT_TYPE_ALL 3
  19
  20 #define init_wp_event(__e, __v, __p, __t, __h)   \
  21         do {    \
  22             (__e)->virt = (__v);    \
  23             (__e)->phys = (__p);    \
  24             (__e)->type = (__t);    \
  25             (__e)->handler = (__h);    \
  26             (__e)->auto_disable = 0;    \
  27         } while (0)
  28
  29 #define auto_disable_wp(__e)   \
  30         do {    \
  31             (__e)->auto_disable = 1;    \
  32         } while (0)
  33
  34 extern int add_hw_watchpoint(struct wp_event *wp_event);
  35 extern int del_hw_watchpoint(struct wp_event *wp_event);
  36
  37 #endif  /* !__HW_BREAKPOINT_H */