openocd/src/target/arm11_dbgtap.h

86 lines
3.9 KiB
C

/***************************************************************************
* Copyright (C) 2008 digenius technology GmbH. *
* Michael Bruck *
* *
* Copyright (C) 2008,2009 Oyvind 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifndef ARM11_DBGTAP_H
#define ARM11_DBGTAP_H
#include "arm11.h"
/* ARM11 internals */
void arm11_setup_field(struct arm11_common *arm11, int num_bits,
void *in_data, void *out_data, struct scan_field *field);
void arm11_add_IR(struct arm11_common *arm11,
uint8_t instr, tap_state_t state);
int arm11_add_debug_SCAN_N(struct arm11_common *arm11,
uint8_t chain, tap_state_t state);
int arm11_read_DSCR(struct arm11_common *arm11);
int arm11_write_DSCR(struct arm11_common *arm11, uint32_t dscr);
int arm11_run_instr_data_prepare(struct arm11_common *arm11);
int arm11_run_instr_data_finish(struct arm11_common *arm11);
int arm11_run_instr_no_data1(struct arm11_common *arm11, uint32_t opcode);
int arm11_run_instr_data_to_core(struct arm11_common *arm11,
uint32_t opcode, uint32_t *data, size_t count);
int arm11_run_instr_data_to_core_noack(struct arm11_common *arm11,
uint32_t opcode, uint32_t *data, size_t count);
int arm11_run_instr_data_to_core1(struct arm11_common *arm11,
uint32_t opcode, uint32_t data);
int arm11_run_instr_data_from_core(struct arm11_common *arm11,
uint32_t opcode, uint32_t *data, size_t count);
int arm11_run_instr_data_from_core_via_r0(struct arm11_common *arm11,
uint32_t opcode, uint32_t *data);
int arm11_run_instr_data_to_core_via_r0(struct arm11_common *arm11,
uint32_t opcode, uint32_t data);
void arm11_add_dr_scan_vc(struct jtag_tap *tap, int num_fields, struct scan_field *fields,
tap_state_t state);
/**
* Used with arm11_sc7_run to make a list of read/write commands for
* scan chain 7
*/
struct arm11_sc7_action {
bool write; /**< Access mode: true for write, false for read. */
uint8_t address;/**< Register address mode. Use enum #arm11_sc7 */
/**
* If write then set this to value to be written. In read mode
* this receives the read value when the function returns.
*/
uint32_t value;
};
int arm11_sc7_run(struct arm11_common *arm11,
struct arm11_sc7_action *actions, size_t count);
/* Mid-level helper functions */
int arm11_sc7_clear_vbw(struct arm11_common *arm11);
int arm11_sc7_set_vcr(struct arm11_common *arm11, uint32_t value);
int arm11_read_memory_word(struct arm11_common *arm11,
uint32_t address, uint32_t *result);
int arm11_dpm_init(struct arm11_common *arm11, uint32_t didr);
int arm11_bpwp_flush(struct arm11_common *arm11);
#endif /* ARM11_DBGTAP_H */