openocd: src/target: replace the GPL-2.0-or-later license tag

[fw/openocd] / src / target / arm_dap.c

diff --git a/src/target/arm_dap.c b/src/target/arm_dap.c
index cfd14de9368b37e70ccd240cebede3ad44ec789c..ad23e661108e0cd47091f221b93221a847e02cbb 100644 (file)
--- a/src/target/arm_dap.c
+++ b/src/target/arm_dap.c
@@ -1,20 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /***************************************************************************
  *   Copyright (C) 2016 by Matthias Welwarsky                              *
  *                                                                         *
- *   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.,                                       *
- *                                                                         *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -471,6 +459,18 @@ COMMAND_HANDLER(handle_dap_info_command)
                        apsel = dap->apsel;
                        break;
                case 1:
+                       if (!strcmp(CMD_ARGV[0], "root")) {
+                               if (!is_adiv6(dap)) {
+                                       command_print(CMD, "Option \"root\" not allowed with ADIv5 DAP");
+                                       return ERROR_COMMAND_ARGUMENT_INVALID;
+                               }
+                               int retval = adiv6_dap_read_baseptr(CMD, dap, &apsel);
+                               if (retval != ERROR_OK) {
+                                       command_print(CMD, "Failed reading DAP baseptr");
+                                       return retval;
+                               }
+                               break;
+                       }
                        COMMAND_PARSE_NUMBER(u64, CMD_ARGV[0], apsel);
                        if (!is_ap_num_valid(dap, apsel))
                                return ERROR_COMMAND_SYNTAX_ERROR;
@@ -515,9 +515,9 @@ static const struct command_registration dap_subcommand_handlers[] = {
                .name = "info",
                .handler = handle_dap_info_command,
                .mode = COMMAND_EXEC,
-               .help = "display ROM table for MEM-AP of current target "
-               "(default currently selected AP)",
-               .usage = "[ap_num]",
+               .help = "display ROM table for specified MEM-AP (default MEM-AP of current target) "
+                       "or the ADIv6 root ROM table of current target's DAP",
+               .usage = "[ap_num | 'root']",
        },
        COMMAND_REGISTRATION_DONE
 };