git.gag.com Git - fw/openocd/blob - src/target/etb.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 ETB_H
  21 #define ETB_H
  22
  23 #include "etm.h"
  24
  25 /* ETB registers */
  26 enum
  27 {
  28         ETB_ID = 0x00,
  29         ETB_RAM_DEPTH = 0x01,
  30         ETB_RAM_WIDTH = 0x02,
  31         ETB_STATUS = 0x03,
  32         ETB_RAM_DATA = 0x04,
  33         ETB_RAM_READ_POINTER = 0x05,
  34         ETB_RAM_WRITE_POINTER = 0x06,
  35         ETB_TRIGGER_COUNTER = 0x07,
  36         ETB_CTRL = 0x08,
  37 };
  38
  39 typedef struct etb_s
  40 {
  41         etm_context_t *etm_ctx;
  42         jtag_tap_t *tap;
  43         u32 cur_scan_chain;
  44         reg_cache_t *reg_cache;
  45
  46         /* ETB parameters */
  47         u32 ram_depth;
  48         u32 ram_width;
  49 } etb_t;
  50
  51 typedef struct etb_reg_s
  52 {
  53         u32 addr;
  54         etb_t *etb;
  55 } etb_reg_t;
  56
  57 extern etm_capture_driver_t etb_capture_driver;
  58
  59 extern reg_cache_t* etb_build_reg_cache(etb_t *etb);
  60 extern int etb_read_reg(reg_t *reg);
  61 extern int etb_write_reg(reg_t *reg, u32 value);
  62 extern int etb_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask);
  63 extern int etb_store_reg(reg_t *reg);
  64 extern int etb_set_reg(reg_t *reg, u32 value);
  65 extern int etb_set_reg_w_exec(reg_t *reg, u8 *buf);
  66
  67 #endif /* ETB_H */