src/target/trace.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /***************************************************************************
   4  *   Copyright (C) 2007 by Dominic Rath                                    *
   5  *   Dominic.Rath@gmx.de                                                   *
   6  ***************************************************************************/
   7
   8 #ifndef OPENOCD_TARGET_TRACE_H
   9 #define OPENOCD_TARGET_TRACE_H
  10
  11 #include "helper/types.h"
  12
  13 struct target;
  14 struct command_context;
  15
  16 struct trace_point {
  17         uint32_t address;
  18         uint64_t hit_counter;
  19 };
  20
  21 struct trace {
  22         uint32_t num_trace_points;
  23         uint32_t trace_points_size;
  24         struct trace_point *trace_points;
  25         uint32_t trace_history_size;
  26         uint32_t *trace_history;
  27         uint32_t trace_history_pos;
  28         int trace_history_overflowed;
  29 };
  30
  31 /**
  32  * \todo This enum is one of the few things in this file related
  33  * to *hardware* tracing ... split such "real" tracing out from
  34  * the contrib/libdcc support.
  35  */
  36 typedef enum trace_status {
  37         TRACE_IDLE = 0x0,
  38         TRACE_RUNNING = 0x1,
  39         TRACE_TRIGGERED = 0x2,
  40         TRACE_COMPLETED = 0x4,
  41         TRACE_OVERFLOWED = 0x8,
  42 } trace_status_t;
  43
  44 int trace_point(struct target *target, uint32_t number);
  45 int trace_register_commands(struct command_context *cmd_ctx);
  46
  47 #define ERROR_TRACE_IMAGE_UNAVAILABLE           (-1500)
  48 #define ERROR_TRACE_INSTRUCTION_UNAVAILABLE     (-1501)
  49
  50 #endif /* OPENOCD_TARGET_TRACE_H */