src/target/arm_jtag.h (OpenOCD)

/* 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 */