target.c

/*
 * Copyright (c) 2013-2015, Alex Taradov <alex@taradov.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*- Includes ----------------------------------------------------------------*/
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include "target.h"
#include "edbg.h"
#include "dap.h"

/*- Variables ---------------------------------------------------------------*/
extern target_ops_t target_cm0p_ops;
extern target_ops_t target_cm4_ops;
extern target_ops_t target_cm7_ops;

static target_t targets[] =
{
  { 0x0bc11477, "Cortex-M0+",		&target_cm0p_ops },
  { 0x2ba01477, "Cortex-M4",		&target_cm4_ops },
  { 0x0bd11477, "Cortex-M7",		&target_cm7_ops },
  { 0, "", NULL },
};

/*- Implementations ---------------------------------------------------------*/

//-----------------------------------------------------------------------------
target_t *target_identify(void)
{
  uint32_t idcode;

  idcode = dap_read_idcode();

  for (target_t *target = targets; target->idcode > 0; target++)
  {
    if (target->idcode == idcode)
    {
      verbose("Target type: %s\n", target->name);
      return target;
    }
  }

  error_exit("unknown target type (IDCODE = 0x%08x)", idcode);

  return NULL;
}