git.gag.com Git - fw/openocd/blob - src/target/oocd_trace.h

   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 OOCD_TRACE_H
  21 #define OOCD_TRACE_H
  22
  23 #include "command.h"
  24
  25 #include "etm.h"
  26
  27 #include <termios.h>
  28 #include <unistd.h>
  29
  30 /* registers */
  31 enum
  32 {
  33     OOCD_TRACE_ID = 0x7,
  34     OOCD_TRACE_ADDRESS = 0x0,
  35     OOCD_TRACE_TRIGGER_COUNTER = 0x01,
  36     OOCD_TRACE_CONTROL = 0x2,
  37     OOCD_TRACE_STATUS = 0x3,
  38     OOCD_TRACE_SDRAM_COUNTER = 0x4,
  39 };
  40
  41 /* commands */
  42 enum
  43 {
  44         OOCD_TRACE_NOP = 0x0,
  45         OOCD_TRACE_READ_REG = 0x10,
  46         OOCD_TRACE_WRITE_REG = 0x18,
  47         OOCD_TRACE_READ_RAM = 0x20,
  48 /*      OOCD_TRACE_WRITE_RAM = 0x28, */
  49         OOCD_TRACE_RESYNC = 0xf0,
  50 };
  51
  52 typedef struct oocd_trace_s
  53 {
  54         etm_context_t *etm_ctx;
  55         char *tty;
  56         int tty_fd;
  57         struct termios oldtio, newtio;
  58 } oocd_trace_t;
  59
  60 extern etm_capture_driver_t oocd_trace_capture_driver;
  61
  62 extern int oocd_trace_register_commands(struct command_context_s *cmd_ctx);
  63
  64 #endif /* OOCD_TRACE_TRACE_H */