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- /***************************************************************************
- * 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, 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/jtag.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;
- };
-
- int arm_jtag_set_instr_inner(struct arm_jtag *jtag_info, 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,
- 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;
- assert (tap != NULL);
-
- 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);
- }
-
- 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);
-
- /* 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 *)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 */
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