contrib: replace the GPLv2-or-later license tag

[fw/openocd] / contrib / libdcc / dcc_stdio.c

diff --git a/contrib/libdcc/dcc_stdio.c b/contrib/libdcc/dcc_stdio.c
index a25e7dd169bc5aa4f3b5443a3d372f3cf2f9023c..eab050eafc22193f6a72555fcfb123a07d7c7537 100644 (file)
--- a/contrib/libdcc/dcc_stdio.c
+++ b/contrib/libdcc/dcc_stdio.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /***************************************************************************
  *   Copyright (C) 2008 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
@@ -5,21 +7,6 @@
  *   spen@spen-soft.co.uk                                                  *
  *   Copyright (C) 2008 by Frederik Kriewtz                                *
  *   frederik@kriewitz.eu                                                  *
- *                                                                         *
- *   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.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
 #include "dcc_stdio.h"
@@ -29,9 +16,9 @@
 #define TARGET_REQ_DEBUGMSG_HEXMSG(size)       (0x01 | ((size & 0xff) << 8))
 #define TARGET_REQ_DEBUGCHAR                           0x02
 
-#if defined(__ARM_ARCH_7M__)
+#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_6SM__)
 
-/* we use the cortex_m3 DCRDR reg to simulate a arm7_9 dcc channel
+/* we use the System Control Block DCRDR reg to simulate a arm7_9 dcc channel
  * DCRDR[7:0] is used by target for status
  * DCRDR[15:8] is used by target for write buffer
  * DCRDR[23:16] is used for by host for status
@@ -99,7 +86,7 @@ void dbg_write_u16(const unsigned short *val, long len)
 
        while (len > 0)
        {
-               dcc_data = val[0] 
+               dcc_data = val[0]
                        | ((len > 1) ? val[1] << 16: 0x0000);
 
                dbg_write(dcc_data);
@@ -145,7 +132,7 @@ void dbg_write_str(const char *msg)
                        | ((len > 2) ? msg[2] << 16 : 0x00)
                        | ((len > 3) ? msg[3] << 24 : 0x00);
                dbg_write(dcc_data);
-               
+
                msg += 4;
                len -= 4;
        }