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// SPDX-License-Identifier: GPL-2.0-or-later
/***************************************************************************
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "arm.h"
#include "etm_dummy.h"
COMMAND_HANDLER(handle_etm_dummy_config_command)
{
struct target *target;
struct arm *arm;
target = get_target(CMD_ARGV[0]);
if (!target) {
LOG_ERROR("target '%s' not defined", CMD_ARGV[0]);
return ERROR_FAIL;
}
arm = target_to_arm(target);
if (!is_arm(arm)) {
command_print(CMD, "target '%s' isn't an ARM", CMD_ARGV[0]);
return ERROR_FAIL;
}
if (arm->etm)
arm->etm->capture_driver_priv = NULL;
else {
LOG_ERROR("target has no ETM defined, ETM dummy left unconfigured");
return ERROR_FAIL;
}
return ERROR_OK;
}
static const struct command_registration etm_dummy_config_command_handlers[] = {
{
.name = "config",
.handler = handle_etm_dummy_config_command,
.mode = COMMAND_CONFIG,
.usage = "target",
},
COMMAND_REGISTRATION_DONE
};
static const struct command_registration etm_dummy_command_handlers[] = {
{
.name = "etm_dummy",
.mode = COMMAND_ANY,
.help = "Dummy ETM capture driver command group",
.chain = etm_dummy_config_command_handlers,
.usage = "",
},
COMMAND_REGISTRATION_DONE
};
static int etm_dummy_init(struct etm_context *etm_ctx)
{
return ERROR_OK;
}
static trace_status_t etm_dummy_status(struct etm_context *etm_ctx)
{
return TRACE_IDLE;
}
static int etm_dummy_read_trace(struct etm_context *etm_ctx)
{
return ERROR_OK;
}
static int etm_dummy_start_capture(struct etm_context *etm_ctx)
{
return ERROR_ETM_PORTMODE_NOT_SUPPORTED;
}
static int etm_dummy_stop_capture(struct etm_context *etm_ctx)
{
return ERROR_OK;
}
struct etm_capture_driver etm_dummy_capture_driver = {
.name = "dummy",
.commands = etm_dummy_command_handlers,
.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,
};