+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * 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, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-#ifndef ARM_JTAG
-#define ARM_JTAG
-#include "jtag.h"
+#ifndef OPENOCD_TARGET_ARM_JTAG_H
+#define OPENOCD_TARGET_ARM_JTAG_H
-typedef struct arm_jtag_s
-{
- jtag_tap_t *tap;
+#include <jtag/jtag.h>
+#include <helper/bits.h>
+
+struct arm_jtag {
+ struct jtag_tap *tap;
uint32_t scann_size;
uint32_t scann_instr;
uint32_t cur_scan_chain;
uint32_t intest_instr;
-} arm_jtag_t;
+};
-extern int arm_jtag_set_instr(arm_jtag_t *jtag_info, uint32_t new_instr, void *verify_capture);
-extern int arm_jtag_scann(arm_jtag_t *jtag_info, uint32_t new_scan_chain);
-extern int arm_jtag_setup_connection(arm_jtag_t *jtag_info);
+int arm_jtag_set_instr_inner(struct jtag_tap *tap, uint32_t new_instr,
+ void *no_verify_capture,
+ tap_state_t end_state);
-/* JTAG buffers to host, be and le buffers, flipping variants */
-int arm_jtag_buf_to_u32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_le32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_le16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_be32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_be16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_8_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
+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 & (BIT(tap->ir_length) - 1)))
+ return arm_jtag_set_instr_inner(tap, new_instr, no_verify_capture, end_state);
-/* JTAG buffers to host, be and le buffers */
-int arm_jtag_buf_to_u32(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_le32(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_le16(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_be32(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_be16(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-int arm_jtag_buf_to_8(uint8_t *in_buf, void *priv, struct scan_field_s *field);
+ return ERROR_OK;
+}
-/* 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)
+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)
{
- uint8_t *in = (uint8_t *)arg;
- *((uint32_t *)in) = flip_u32(le_to_h_u32(in), 32);
+ /* 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;
}
-static __inline__ void arm_le_to_h_u32(jtag_callback_data_t arg)
+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)
{
- uint8_t *in = (uint8_t *)arg;
- *((uint32_t *)in) = le_to_h_u32(in);
+ 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)
+{
+ uint8_t *in = (uint8_t *)arg;
+ *((uint32_t *)arg) = le_to_h_u32(in);
+}
-#endif /* ARM_JTAG */
-
+#endif /* OPENOCD_TARGET_ARM_JTAG_H */
projects / fw / openocd / blobdiff