70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/***************************************************************************
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* Copyright (C) 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* Copyright (C) 2007-2010 Øyvind Harboe *
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* oyvind.harboe@zylin.com *
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***************************************************************************/
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#ifndef OPENOCD_TARGET_ARM_JTAG_H
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#define OPENOCD_TARGET_ARM_JTAG_H
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#include <jtag/jtag.h>
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#include <helper/bits.h>
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struct arm_jtag {
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struct jtag_tap *tap;
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uint32_t scann_size;
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uint32_t scann_instr;
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uint32_t cur_scan_chain;
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uint32_t intest_instr;
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};
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int arm_jtag_set_instr_inner(struct jtag_tap *tap, uint32_t new_instr,
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void *no_verify_capture,
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tap_state_t end_state);
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static inline int arm_jtag_set_instr(struct jtag_tap *tap,
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uint32_t new_instr, void *no_verify_capture, tap_state_t end_state)
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{
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/* inline most common code path */
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if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != (new_instr & (BIT(tap->ir_length) - 1)))
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return arm_jtag_set_instr_inner(tap, new_instr, no_verify_capture, end_state);
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return ERROR_OK;
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}
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int arm_jtag_scann_inner(struct arm_jtag *jtag_info, uint32_t new_scan_chain, tap_state_t end_state);
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static inline int arm_jtag_scann(struct arm_jtag *jtag_info, uint32_t new_scan_chain, tap_state_t end_state)
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{
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/* inline most common code path */
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int retval = ERROR_OK;
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if (jtag_info->cur_scan_chain != new_scan_chain)
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return arm_jtag_scann_inner(jtag_info, new_scan_chain, end_state);
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return retval;
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}
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int arm_jtag_setup_connection(struct arm_jtag *jtag_info);
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int arm_jtag_close_connection(struct arm_jtag *jtag_info);
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/* use this as a static so we can inline it in -O3 and refer to it via a pointer */
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static inline void arm7flip32(jtag_callback_data_t arg)
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{
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uint8_t *in = (uint8_t *)arg;
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*((uint32_t *)arg) = flip_u32(le_to_h_u32(in), 32);
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}
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static inline void arm_le_to_h_u32(jtag_callback_data_t arg)
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{
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uint8_t *in = (uint8_t *)arg;
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*((uint32_t *)arg) = le_to_h_u32(in);
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}
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#endif /* OPENOCD_TARGET_ARM_JTAG_H */
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