e3dcb1d7ce76ce778fc6b1854053ecfc9c52521f
[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 #include "etb.h"
29 #include "etm.h"
30
31 /* ETB registers */
32 enum
33 {
34 ETB_ID = 0x00,
35 ETB_RAM_DEPTH = 0x01,
36 ETB_RAM_WIDTH = 0x02,
37 ETB_STATUS = 0x03,
38 ETB_RAM_DATA = 0x04,
39 ETB_RAM_READ_POINTER = 0x05,
40 ETB_RAM_WRITE_POINTER = 0x06,
41 ETB_TRIGGER_COUNTER = 0x07,
42 ETB_CTRL = 0x08,
43 };
44
45 typedef struct etb_s
46 {
47 etm_context_t *etm_ctx;
48 int chain_pos;
49 int cur_scan_chain;
50 reg_cache_t *reg_cache;
51
52 /* ETB parameters */
53 int ram_depth;
54 int ram_width;
55 } etb_t;
56
57 typedef struct etb_reg_s
58 {
59 int addr;
60 etb_t *etb;
61 } etb_reg_t;
62
63 extern etm_capture_driver_t etb_capture_driver;
64
65 extern reg_cache_t* etb_build_reg_cache(etb_t *etb);
66 extern int etb_read_reg(reg_t *reg);
67 extern int etb_write_reg(reg_t *reg, u32 value);
68 extern int etb_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask);
69 extern int etb_store_reg(reg_t *reg);
70 extern int etb_set_reg(reg_t *reg, u32 value);
71 extern int etb_set_reg_w_exec(reg_t *reg, u8 *buf);
72
73 extern int etb_register_commands(struct command_context_s *cmd_ctx);
74
75 #endif /* ETB_H */