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   1 /***************************************************************************
   2  *   Copyright (C) 2007 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, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifndef TRACE_H
  21 #define TRACE_H
  22
  23 #include "types.h"
  24
  25 struct target_s;
  26 struct command_context_s;
  27
  28 typedef struct trace_point_s
  29 {
  30         uint32_t address;
  31         u64 hit_counter;
  32 } trace_point_t;
  33
  34 typedef struct trace_s
  35 {
  36         uint32_t num_trace_points;
  37         uint32_t trace_points_size;
  38         trace_point_t *trace_points;
  39         uint32_t trace_history_size;
  40         uint32_t *trace_history;
  41         uint32_t trace_history_pos;
  42         int trace_history_overflowed;
  43 } trace_t;
  44
  45 typedef enum trace_status
  46 {
  47         TRACE_IDLE = 0x0,
  48         TRACE_RUNNING = 0x1,
  49         TRACE_TRIGGERED = 0x2,
  50         TRACE_COMPLETED = 0x4,
  51         TRACE_OVERFLOWED = 0x8,
  52 } trace_status_t;
  53
  54 extern int trace_point(struct target_s *target, uint32_t number);
  55 extern int trace_register_commands(struct command_context_s *cmd_ctx);
  56
  57 #define ERROR_TRACE_IMAGE_UNAVAILABLE           -(1500)
  58 #define ERROR_TRACE_INSTRUCTION_UNAVAILABLE     -(1501)
  59
  60 #endif /* TRACE_H */