src/target/breakpoints.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  17  ***************************************************************************/
  18
  19 #ifndef OPENOCD_TARGET_BREAKPOINTS_H
  20 #define OPENOCD_TARGET_BREAKPOINTS_H
  21
  22 #include <stdint.h>
  23
  24 struct target;
  25
  26 enum breakpoint_type {
  27         BKPT_HARD,
  28         BKPT_SOFT,
  29 };
  30
  31 enum watchpoint_rw {
  32         WPT_READ = 0, WPT_WRITE = 1, WPT_ACCESS = 2
  33 };
  34
  35 struct breakpoint {
  36         target_addr_t address;
  37         uint32_t asid;
  38         int length;
  39         enum breakpoint_type type;
  40         int set;
  41         uint8_t *orig_instr;
  42         struct breakpoint *next;
  43         uint32_t unique_id;
  44         int linked_BRP;
  45 };
  46
  47 struct watchpoint {
  48         target_addr_t address;
  49         uint32_t length;
  50         uint32_t mask;
  51         uint32_t value;
  52         enum watchpoint_rw rw;
  53         int set;
  54         struct watchpoint *next;
  55         int unique_id;
  56 };
  57
  58 void breakpoint_clear_target(struct target *target);
  59 int breakpoint_add(struct target *target,
  60                 target_addr_t address, uint32_t length, enum breakpoint_type type);
  61 int context_breakpoint_add(struct target *target,
  62                 uint32_t asid, uint32_t length, enum breakpoint_type type);
  63 int hybrid_breakpoint_add(struct target *target,
  64                 target_addr_t address, uint32_t asid, uint32_t length, enum breakpoint_type type);
  65 void breakpoint_remove(struct target *target, target_addr_t address);
  66
  67 struct breakpoint *breakpoint_find(struct target *target, target_addr_t address);
  68
  69 void watchpoint_clear_target(struct target *target);
  70 int watchpoint_add(struct target *target,
  71                 target_addr_t address, uint32_t length,
  72                 enum watchpoint_rw rw, uint32_t value, uint32_t mask);
  73 void watchpoint_remove(struct target *target, target_addr_t address);
  74
  75 /* report type and address of just hit watchpoint */
  76 int watchpoint_hit(struct target *target, enum watchpoint_rw *rw,
  77                 target_addr_t *address);
  78
  79 #endif /* OPENOCD_TARGET_BREAKPOINTS_H */