da9c9b3be947cc2dcddfca62c8dc59738a2848d4
[openocd.git] / 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 /* ETB registers */
24 enum
25 {
26 ETB_ID = 0x00,
27 ETB_RAM_DEPTH = 0x01,
28 ETB_RAM_WIDTH = 0x02,
29 ETB_STATUS = 0x03,
30 ETB_RAM_DATA = 0x04,
31 ETB_RAM_READ_POINTER = 0x05,
32 ETB_RAM_WRITE_POINTER = 0x06,
33 ETB_TRIGGER_COUNTER = 0x07,
34 ETB_CTRL = 0x08,
35 };
36
37 typedef struct etb_s
38 {
39 etm_context_t *etm_ctx;
40 jtag_tap_t *tap;
41 uint32_t cur_scan_chain;
42 reg_cache_t *reg_cache;
43
44 /* ETB parameters */
45 uint32_t ram_depth;
46 uint32_t ram_width;
47 } etb_t;
48
49 typedef struct etb_reg_s
50 {
51 uint32_t addr;
52 etb_t *etb;
53 } etb_reg_t;
54
55 extern etm_capture_driver_t etb_capture_driver;
56
57 reg_cache_t* etb_build_reg_cache(etb_t *etb);
58
59 #endif /* ETB_H */