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/* 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 *
***************************************************************************/
#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;
uint32_t scann_size;
uint32_t scann_instr;
uint32_t cur_scan_chain;
uint32_t intest_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 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);
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)
{
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 /* OPENOCD_TARGET_ARM_JTAG_H */