openocd: src/target: replace the GPL-2.0-or-later license tag
[fw/openocd] / src / target / arm_jtag.h
index 37c228f8e12bad3947604005bcbedaf7d96589a5..11b7c3efd7ca910b4b164dccb7cd4224bf990afc 100644 (file)
@@ -1,32 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /***************************************************************************
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
  *   Copyright (C) 2007-2010 Ã˜yvind 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, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
-#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 arm_jtag {
        struct jtag_tap *tap;
 
        uint32_t scann_size;
@@ -36,57 +24,46 @@ struct arm_jtag
        uint32_t intest_instr;
 };
 
-int arm_jtag_set_instr_inner(struct arm_jtag *jtag_info, uint32_t new_instr,
+int arm_jtag_set_instr_inner(struct jtag_tap *tap, uint32_t new_instr,
                void *no_verify_capture,
                tap_state_t end_state);
-static inline int arm_jtag_set_instr(struct arm_jtag *jtag_info,
+
+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 */
-       struct jtag_tap *tap;
-       tap = jtag_info->tap;
-       if (tap == NULL)
-               return ERROR_FAIL;
-
-       if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
-       {
-               return arm_jtag_set_instr_inner(jtag_info, new_instr, no_verify_capture, end_state);
-       }
+       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;
 
 }
 
-
 int arm_jtag_scann_inner(struct arm_jtag *jtag_info, uint32_t new_scan_chain, tap_state_t end_state);
 static inline int arm_jtag_scann(struct arm_jtag *jtag_info, uint32_t new_scan_chain, tap_state_t end_state)
 {
        /* inline most common code path */
        int retval = ERROR_OK;
        if (jtag_info->cur_scan_chain != new_scan_chain)
-       {
                return arm_jtag_scann_inner(jtag_info, new_scan_chain, end_state);
-       }
 
        return retval;
 }
 
-
 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)
+static inline void arm7flip32(jtag_callback_data_t arg)
 {
-  uint8_t *in = (uint8_t *)arg;
-  *((uint32_t *)in) = flip_u32(le_to_h_u32(in), 32);
+       uint8_t *in = (uint8_t *)arg;
+       *((uint32_t *)arg) = flip_u32(le_to_h_u32(in), 32);
 }
 
-static __inline__ void arm_le_to_h_u32(jtag_callback_data_t arg)
+static inline void arm_le_to_h_u32(jtag_callback_data_t arg)
 {
-  uint8_t *in = (uint8_t *)arg;
-  *((uint32_t *)in) = le_to_h_u32(in);
+       uint8_t *in = (uint8_t *)arg;
+       *((uint32_t *)arg) = le_to_h_u32(in);
 }
 
-
-#endif /* ARM_JTAG */
-
+#endif /* OPENOCD_TARGET_ARM_JTAG_H */