aboutsummaryrefslogtreecommitdiff
path: root/src/target/etm_dummy.c
blob: 4b84fd32061b64279e424f2e848c703e20fe00ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
/***************************************************************************
 *   Copyright (C) 2007 by Dominic Rath                                    *
 *   Dominic.Rath@gmx.de                                                   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "etm_dummy.h"
#include "arm7_9_common.h"


static int handle_etm_dummy_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
	target_t *target;
	armv4_5_common_t *armv4_5;
	arm7_9_common_t *arm7_9;

	target = get_target(args[0]);

	if (!target)
	{
		LOG_ERROR("target '%s' not defined", args[0]);
		return ERROR_FAIL;
	}

	if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)
	{
		command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target");
		return ERROR_FAIL;
	}

	if (arm7_9->etm_ctx)
	{
		arm7_9->etm_ctx->capture_driver_priv = NULL;
	}
	else
	{
		LOG_ERROR("target has no ETM defined, ETM dummy left unconfigured");
		return ERROR_FAIL;
	}

	return ERROR_OK;
}

static int etm_dummy_register_commands(struct command_context_s *cmd_ctx)
{
	command_t *etm_dummy_cmd;

	etm_dummy_cmd = register_command(cmd_ctx, NULL, "etm_dummy", NULL, COMMAND_ANY, "Dummy ETM capture driver");

	register_command(cmd_ctx, etm_dummy_cmd, "config", handle_etm_dummy_config_command, COMMAND_CONFIG, NULL);

	return ERROR_OK;
}

static int etm_dummy_init(etm_context_t *etm_ctx)
{
	return ERROR_OK;
}

static trace_status_t etm_dummy_status(etm_context_t *etm_ctx)
{
	return TRACE_IDLE;
}

static int etm_dummy_read_trace(etm_context_t *etm_ctx)
{
	return ERROR_OK;
}

static int etm_dummy_start_capture(etm_context_t *etm_ctx)
{
	return ERROR_ETM_PORTMODE_NOT_SUPPORTED;
}

static int etm_dummy_stop_capture(etm_context_t *etm_ctx)
{
	return ERROR_OK;
}

etm_capture_driver_t etm_dummy_capture_driver =
{
	.name = "dummy",
	.register_commands = etm_dummy_register_commands,
	.init = etm_dummy_init,
	.status = etm_dummy_status,
	.start_capture = etm_dummy_start_capture,
	.stop_capture = etm_dummy_stop_capture,
	.read_trace = etm_dummy_read_trace,
};