src/target/register.c

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   This program is free software; you can redistribute it and/or modify  *
   9  *   it under the terms of the GNU General Public License as published by  *
  10  *   the Free Software Foundation; either version 2 of the License, or     *
  11  *   (at your option) any later version.                                   *
  12  *                                                                         *
  13  *   This program is distributed in the hope that it will be useful,       *
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  16  *   GNU General Public License for more details.                          *
  17  *                                                                         *
  18  *   You should have received a copy of the GNU General Public License     *
  19  *   along with this program; if not, write to the                         *
  20  *   Free Software Foundation, Inc.,                                       *
  21  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  22  ***************************************************************************/
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include "types.h"
  28 #include "register.h"
  29 #include "log.h"
  30
  31
  32 struct reg* register_get_by_name(struct reg_cache *first,
  33                 const char *name, bool search_all)
  34 {
  35         int i;
  36         struct reg_cache *cache = first;
  37
  38         while (cache)
  39         {
  40                 for (i = 0; i < cache->num_regs; i++)
  41                 {
  42                         if (strcmp(cache->reg_list[i].name, name) == 0)
  43                                 return &(cache->reg_list[i]);
  44                 }
  45
  46                 if (search_all)
  47                         cache = cache->next;
  48                 else
  49                         break;
  50         }
  51
  52         return NULL;
  53 }
  54
  55 struct reg_cache** register_get_last_cache_p(struct reg_cache **first)
  56 {
  57         struct reg_cache **cache_p = first;
  58
  59         if (*cache_p)
  60                 while (*cache_p)
  61                         cache_p = &((*cache_p)->next);
  62         else
  63                 return first;
  64
  65         return cache_p;
  66 }
  67
  68 static int register_get_dummy_core_reg(struct reg *reg)
  69 {
  70         return ERROR_OK;
  71 }
  72
  73 static int register_set_dummy_core_reg(struct reg *reg, uint8_t *buf)
  74 {
  75         reg->dirty = 1;
  76         reg->valid = 1;
  77
  78         return ERROR_OK;
  79 }
  80
  81 static const struct reg_arch_type dummy_type = {
  82         .get = register_get_dummy_core_reg,
  83         .set = register_set_dummy_core_reg,
  84 };
  85
  86 void register_init_dummy(struct reg *reg)
  87 {
  88         reg->type = &dummy_type;
  89 }