src/target/openrisc/or1k_du.h

   1 /***************************************************************************
   2  *   Copyright (C) 2013 Franck Jullien                                     *
   3  *   elec4fun@gmail.com                                                    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #ifndef OR1K_DU
  22 #define OR1K_DU
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include "config.h"
  26 #endif
  27
  28 #define CPU_STALL       0
  29 #define CPU_UNSTALL     1
  30
  31 #define CPU_RESET       0
  32 #define CPU_NOT_RESET   1
  33
  34 int or1k_du_adv_register(void);
  35
  36 /* Linear list over all available or1k debug unit */
  37 extern struct list_head du_list;
  38
  39 struct or1k_du {
  40         const char *name;
  41         struct list_head list;
  42         int options;
  43
  44         int (*or1k_jtag_init)(struct or1k_jtag *jtag_info);
  45
  46         int (*or1k_is_cpu_running)(struct or1k_jtag *jtag_info, int *running);
  47
  48         int (*or1k_cpu_stall)(struct or1k_jtag *jtag_info, int action);
  49
  50         int (*or1k_cpu_reset)(struct or1k_jtag *jtag_info, int action);
  51
  52         int (*or1k_jtag_read_cpu)(struct or1k_jtag *jtag_info,
  53                                   uint32_t addr, int count, uint32_t *value);
  54
  55         int (*or1k_jtag_write_cpu)(struct or1k_jtag *jtag_info,
  56                                    uint32_t addr, int count, const uint32_t *value);
  57
  58         int (*or1k_jtag_read_memory)(struct or1k_jtag *jtag_info, uint32_t addr, uint32_t size,
  59                                         int count, uint8_t *buffer);
  60
  61         int (*or1k_jtag_write_memory)(struct or1k_jtag *jtag_info, uint32_t addr, uint32_t size,
  62                                          int count, const uint8_t *buffer);
  63 };
  64
  65 static inline struct or1k_du *or1k_jtag_to_du(struct or1k_jtag *jtag_info)
  66 {
  67         return (struct or1k_du *)jtag_info->du_core;
  68 }
  69
  70 static inline struct or1k_du *or1k_to_du(struct or1k_common *or1k)
  71 {
  72         struct or1k_jtag *jtag = &or1k->jtag;
  73         return (struct or1k_du *)jtag->du_core;
  74 }
  75
  76 int or1k_adv_jtag_jsp_xfer(struct or1k_jtag *jtag_info,
  77                                   int *out_len, unsigned char *out_buffer,
  78                                   int *in_len, unsigned char *in_buffer);
  79
  80 #endif
  81