/* SPDX-License-Identifier: GPL-2.0-or-later */

/***************************************************************************
 *   Copyright (C) 2007 by Dominic Rath                                    *
 *   Dominic.Rath@gmx.de                                                   *
 ***************************************************************************/

#ifndef OPENOCD_TARGET_ETB_H
#define OPENOCD_TARGET_ETB_H

/* ETB registers */
enum {
	ETB_ID = 0x00,
	ETB_RAM_DEPTH = 0x01,
	ETB_RAM_WIDTH = 0x02,
	ETB_STATUS = 0x03,
	ETB_RAM_DATA = 0x04,
	ETB_RAM_READ_POINTER = 0x05,
	ETB_RAM_WRITE_POINTER = 0x06,
	ETB_TRIGGER_COUNTER = 0x07,
	ETB_CTRL = 0x08,
};

struct etb {
	struct etm_context *etm_ctx;
	struct jtag_tap *tap;
	uint32_t cur_scan_chain;
	struct reg_cache *reg_cache;

	/* ETB parameters */
	uint32_t ram_depth;
	uint32_t ram_width;

	/** how much trace buffer to fill after trigger */
	unsigned trigger_percent;
};

struct etb_reg {
	uint32_t addr;
	struct etb *etb;
};

extern struct etm_capture_driver etb_capture_driver;

struct reg_cache *etb_build_reg_cache(struct etb *etb);

#endif /* OPENOCD_TARGET_ETB_H */