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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 "target.h"
  24
  25 typedef struct trace_point_s
  26 {
  27         u32 address;
  28         u64 hit_counter;
  29 } trace_point_t;
  30
  31 typedef struct trace_s
  32 {
  33         int num_trace_points;
  34         int trace_points_size;
  35         trace_point_t *trace_points;
  36         int trace_history_size;
  37         u32 *trace_history;
  38         int trace_history_pos;
  39         int trace_history_overflowed;
  40 } trace_t;
  41
  42 typedef enum trace_status
  43 {
  44         TRACE_IDLE = 0x0,
  45         TRACE_RUNNING = 0x1,
  46         TRACE_TRIGGERED = 0x2,
  47         TRACE_COMPLETED = 0x4,
  48         TRACE_OVERFLOWED = 0x8,
  49 } trace_status_t;
  50
  51 extern int trace_point(struct target_s *target, int number);
  52
  53 #define ERROR_TRACE_IMAGE_UNAVAILABLE           -(1500)
  54 #define ERROR_TRACE_INSTRUCTION_UNAVAILABLE     -(1501)
  55
  56 #endif /* TRACE_H */