12e613ffc3659f658690b0b01d21a05f41aceb08
[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 #include "command.h"
24 #include "target.h"
25 #include "register.h"
26 #include "arm_jtag.h"
27
28 /* ETB registers */
29 enum
30 {
31 ETB_ID = 0x00,
32 ETB_RAM_DEPTH = 0x01,
33 ETB_RAM_WIDTH = 0x02,
34 ETB_STATUS = 0x03,
35 ETB_RAM_DATA = 0x04,
36 ETB_RAM_READ_POINTER = 0x05,
37 ETB_RAM_WRITE_POINTER = 0x06,
38 ETB_TRIGGER_COUNTER = 0x07,
39 ETB_CTRL = 0x08,
40 };
41
42 typedef struct etb_s
43 {
44 int chain_pos;
45 int cur_scan_chain;
46 reg_cache_t *reg_cache;
47
48 /* ETB parameters */
49 int RAM_depth;
50 int RAM_width;
51 } etb_t;
52
53 typedef struct etb_reg_s
54 {
55 int addr;
56 etb_t *etb;
57 } etb_reg_t;
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 extern int etb_register_commands(struct command_context_s *cmd_ctx, command_t *arm7_9_cmd);
68
69 #endif /* ETB_H */