src/target/arm11_dbgtap.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008 digenius technology GmbH.                          *
   3  *   Michael Bruck                                                         *
   4  *                                                                         *
   5  *   Copyright (C) 2008,2009 Oyvind Harboe oyvind.harboe@zylin.com         *
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  *   This program is distributed in the hope that it will be useful,       *
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  15  *   GNU General Public License for more details.                          *
  16  *                                                                         *
  17  *   You should have received a copy of the GNU General Public License     *
  18  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  19  ***************************************************************************/
  20
  21 #ifndef OPENOCD_TARGET_ARM11_DBGTAP_H
  22 #define OPENOCD_TARGET_ARM11_DBGTAP_H
  23
  24 #include "arm11.h"
  25
  26 /* ARM11 internals */
  27
  28 void arm11_setup_field(struct arm11_common *arm11, int num_bits,
  29                 void *in_data, void *out_data, struct scan_field *field);
  30 void arm11_add_IR(struct arm11_common *arm11,
  31                 uint8_t instr, tap_state_t state);
  32 int arm11_add_debug_SCAN_N(struct arm11_common *arm11,
  33                 uint8_t chain, tap_state_t state);
  34 int arm11_read_DSCR(struct arm11_common *arm11);
  35 int arm11_write_DSCR(struct arm11_common *arm11, uint32_t dscr);
  36
  37 int arm11_run_instr_data_prepare(struct arm11_common *arm11);
  38 int arm11_run_instr_data_finish(struct arm11_common *arm11);
  39 int arm11_run_instr_no_data1(struct arm11_common *arm11, uint32_t opcode);
  40 int arm11_run_instr_data_to_core(struct arm11_common *arm11,
  41                 uint32_t opcode, uint32_t *data, size_t count);
  42 int arm11_run_instr_data_to_core_noack(struct arm11_common *arm11,
  43                 uint32_t opcode, uint32_t *data, size_t count);
  44 int arm11_run_instr_data_to_core1(struct arm11_common *arm11,
  45                 uint32_t opcode, uint32_t data);
  46 int arm11_run_instr_data_from_core(struct arm11_common *arm11,
  47                 uint32_t opcode, uint32_t *data, size_t count);
  48 int arm11_run_instr_data_from_core_via_r0(struct arm11_common *arm11,
  49                 uint32_t opcode, uint32_t *data);
  50 int arm11_run_instr_data_to_core_via_r0(struct arm11_common *arm11,
  51                 uint32_t opcode, uint32_t data);
  52
  53 void arm11_add_dr_scan_vc(struct jtag_tap *tap, int num_fields, struct scan_field *fields,
  54                 tap_state_t state);
  55
  56 /**
  57  * Used with arm11_sc7_run to make a list of read/write commands for
  58  * scan chain 7
  59  */
  60 struct arm11_sc7_action {
  61         bool write;     /**< Access mode: true for write, false for read. */
  62         uint8_t address;/**< Register address mode. Use enum #arm11_sc7 */
  63         /**
  64          * If write then set this to value to be written.  In read mode
  65          * this receives the read value when the function returns.
  66          */
  67         uint32_t value;
  68 };
  69
  70 int arm11_sc7_run(struct arm11_common *arm11,
  71                 struct arm11_sc7_action *actions, size_t count);
  72
  73 /* Mid-level helper functions */
  74 int arm11_sc7_clear_vbw(struct arm11_common *arm11);
  75 int arm11_sc7_set_vcr(struct arm11_common *arm11, uint32_t value);
  76
  77 int arm11_read_memory_word(struct arm11_common *arm11,
  78                 uint32_t address, uint32_t *result);
  79
  80 int arm11_dpm_init(struct arm11_common *arm11, uint32_t didr);
  81 int arm11_bpwp_flush(struct arm11_common *arm11);
  82
  83 #endif /* OPENOCD_TARGET_ARM11_DBGTAP_H */