target/cortex_m: supress historical reset detection

[fw/openocd] / src / target / arm_jtag.h

diff --git a/src/target/arm_jtag.h b/src/target/arm_jtag.h
index dd9145124401c4178ba3b16f68ac3d18dc92f4a9..11b7c3efd7ca910b4b164dccb7cd4224bf990afc 100644 (file)
--- a/src/target/arm_jtag.h
+++ b/src/target/arm_jtag.h
@@ -1,28 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /***************************************************************************
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
  *   Copyright (C) 2007-2010 Øyvind Harboe                                 *
  *   oyvind.harboe@zylin.com                                               *
- *                                                                         *
- *   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, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
-#ifndef ARM_JTAG
-#define ARM_JTAG
+#ifndef OPENOCD_TARGET_ARM_JTAG_H
+#define OPENOCD_TARGET_ARM_JTAG_H
 
 #include <jtag/jtag.h>
+#include <helper/bits.h>
 
 struct arm_jtag {
        struct jtag_tap *tap;
@@ -42,7 +32,7 @@ static inline int arm_jtag_set_instr(struct jtag_tap *tap,
                uint32_t new_instr, void *no_verify_capture, tap_state_t end_state)
 {
        /* inline most common code path */
-       if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
+       if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != (new_instr & (BIT(tap->ir_length) - 1)))
                return arm_jtag_set_instr_inner(tap, new_instr, no_verify_capture, end_state);
 
        return ERROR_OK;
@@ -61,6 +51,7 @@ static inline int arm_jtag_scann(struct arm_jtag *jtag_info, uint32_t new_scan_c
 }
 
 int arm_jtag_setup_connection(struct arm_jtag *jtag_info);
+int arm_jtag_close_connection(struct arm_jtag *jtag_info);
 
 /* use this as a static so we can inline it in -O3 and refer to it via a pointer  */
 static inline void arm7flip32(jtag_callback_data_t arg)
@@ -75,4 +66,4 @@ static inline void arm_le_to_h_u32(jtag_callback_data_t arg)
        *((uint32_t *)arg) = le_to_h_u32(in);
 }
 
-#endif /* ARM_JTAG */
+#endif /* OPENOCD_TARGET_ARM_JTAG_H */