50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/***************************************************************************
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* Copyright (C) 2015 Paul Fertser <fercerpav@gmail.com> *
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***************************************************************************/
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#ifndef OPENOCD_TARGET_ARMV7M_TRACE_H
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#define OPENOCD_TARGET_ARMV7M_TRACE_H
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#include <helper/command.h>
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#include <target/target.h>
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/**
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* @file
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* Holds the interface to ITM and DWT configuration functions.
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*/
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enum itm_ts_prescaler {
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ITM_TS_PRESCALE1, /**< no prescaling for the timestamp counter */
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ITM_TS_PRESCALE4, /**< refclock divided by 4 for the timestamp counter */
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ITM_TS_PRESCALE16, /**< refclock divided by 16 for the timestamp counter */
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ITM_TS_PRESCALE64, /**< refclock divided by 64 for the timestamp counter */
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};
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struct armv7m_trace_config {
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/** Bitmask of currently enabled ITM stimuli */
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uint32_t itm_ter[8];
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/** Identifier for multi-source trace stream formatting */
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unsigned int trace_bus_id;
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/** Prescaler for the timestamp counter */
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enum itm_ts_prescaler itm_ts_prescale;
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/** Enable differential timestamps */
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bool itm_diff_timestamps;
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/** Enable async timestamps model */
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bool itm_async_timestamps;
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/** Enable synchronisation packet transmission (for sync port only) */
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bool itm_synchro_packets;
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/** Config ITM after target examine */
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bool itm_deferred_config;
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};
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extern const struct command_registration armv7m_trace_command_handlers[];
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/**
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* Configure hardware accordingly to the current ITM target settings
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*/
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int armv7m_trace_itm_config(struct target *target);
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#endif /* OPENOCD_TARGET_ARMV7M_TRACE_H */
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