sim/common/hw-properties.h

   1 /* The common simulator framework for GDB, the GNU Debugger.
   2
   3    Copyright 2002-2015 Free Software Foundation, Inc.
   4
   5    Contributed by Andrew Cagney and Red Hat.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  21
  22
  23 #ifndef HW_PROPERTIES_H
  24 #define HW_PROPERTIES_H
  25
  26 /* The following are valid property types.  The property `array' is
  27    for generic untyped data. */
  28
  29 typedef enum
  30 {
  31   array_property,
  32   boolean_property,
  33 #if 0
  34   ihandle_property, /*runtime*/
  35 #endif
  36   integer_property,
  37   range_array_property,
  38   reg_array_property,
  39   string_property,
  40   string_array_property,
  41 } hw_property_type;
  42
  43 struct hw_property
  44 {
  45   struct hw *owner;
  46   const char *name;
  47   hw_property_type type;
  48   unsigned sizeof_array;
  49   const void *array;
  50   const struct hw_property *original;
  51   object_disposition disposition;
  52 };
  53
  54 #define hw_property_owner(p) ((p)->owner + 0)
  55 #define hw_property_name(p) ((p)->name + 0)
  56 #define hw_property_type(p) ((p)->type + 0)
  57 #define hw_property_array(p) ((p)->array + 0)
  58 #define hw_property_sizeof_array(p) ((p)->sizeof_array + 0)
  59 #define hw_property_original(p) ((p)->original + 0)
  60 #define hw_property_disposition(p) ((p)->disposition + 0)
  61
  62
  63 /* Find/iterate over properites attached to a device.
  64
  65    To iterate over all properties attached to a device, call
  66    hw_find_property (.., NULL) and then hw_property_next. */
  67
  68 const struct hw_property *hw_find_property
  69 (struct hw *me,
  70  const char *property);
  71
  72 const struct hw_property *hw_next_property
  73 (const struct hw_property *previous);
  74
  75
  76 /* Manipulate the properties belonging to a given device.
  77
  78    HW_ADD_* will, if the property is not already present, add a
  79    property to the device.  Adding a property to a device after it has
  80    been created is a checked run-time error (use HW_SET_*).
  81
  82    HW_SET_* will always update (or create) the property so that it has
  83    the specified value.  Changing the type of a property is a checked
  84    run-time error.
  85
  86    FIND returns the specified properties value.  It is a checked
  87    runtime error to either request a nonexistant property or to
  88    request a property using the wrong type. Code locating a property
  89    should first check its type (using hw_find_property above) and then
  90    obtain its value using the below.
  91
  92    Naming convention:
  93
  94    void hw_add_<type>_property(struct hw *, const char *, <type>)
  95    void hw_add_*_array_property(struct hw *, const char *, const <type>*, int)
  96    void hw_set_*_property(struct hw *, const char *, <type>)
  97    void hw_set_*_array_property(struct hw *, const char *, const <type>*, int)
  98    <type> hw_find_*_property(struct hw *, const char *)
  99    int hw_find_*_array_property(struct hw *, const char *, int, <type>*)
 100
 101    */
 102
 103
 104 void hw_add_array_property
 105 (struct hw *me,
 106  const char *property,
 107  const void *array,
 108  int sizeof_array);
 109
 110 void hw_set_array_property
 111 (struct hw *me,
 112  const char *property,
 113  const void *array,
 114  int sizeof_array);
 115
 116 const struct hw_property *hw_find_array_property
 117 (struct hw *me,
 118  const char *property);
 119
 120
 121
 122 void hw_add_boolean_property
 123 (struct hw *me,
 124  const char *property,
 125  int boolean);
 126
 127 int hw_find_boolean_property
 128 (struct hw *me,
 129  const char *property);
 130
 131
 132
 133 #if 0
 134 typedef struct _ihandle_runtime_property_spec
 135 {
 136   const char *full_path;
 137 } ihandle_runtime_property_spec;
 138
 139 void hw_add_ihandle_runtime_property
 140 (struct hw *me,
 141  const char *property,
 142  const ihandle_runtime_property_spec *ihandle);
 143
 144 void hw_find_ihandle_runtime_property
 145 (struct hw *me,
 146  const char *property,
 147  ihandle_runtime_property_spec *ihandle);
 148
 149 void hw_set_ihandle_property
 150 (struct hw *me,
 151  const char *property,
 152  hw_instance *ihandle);
 153
 154 hw_instance * hw_find_ihandle_property
 155 (struct hw *me,
 156  const char *property);
 157 #endif
 158
 159
 160 void hw_add_integer_property
 161 (struct hw *me,
 162  const char *property,
 163  signed_cell integer);
 164
 165 signed_cell hw_find_integer_property
 166 (struct hw *me,
 167  const char *property);
 168
 169 int hw_find_integer_array_property
 170 (struct hw *me,
 171  const char *property,
 172  unsigned index,
 173  signed_cell *integer);
 174
 175
 176
 177 typedef struct _range_property_spec
 178 {
 179   hw_unit child_address;
 180   hw_unit parent_address;
 181   hw_unit size;
 182 } range_property_spec;
 183
 184 void hw_add_range_array_property
 185 (struct hw *me,
 186  const char *property,
 187  const range_property_spec *ranges,
 188  unsigned nr_ranges);
 189
 190 int hw_find_range_array_property
 191 (struct hw *me,
 192  const char *property,
 193  unsigned index,
 194  range_property_spec *range);
 195
 196
 197
 198 typedef struct _reg_property_spec
 199 {
 200   hw_unit address;
 201   hw_unit size;
 202 } reg_property_spec;
 203
 204 void hw_add_reg_array_property
 205 (struct hw *me,
 206  const char *property,
 207  const reg_property_spec *reg,
 208  unsigned nr_regs);
 209
 210 int hw_find_reg_array_property
 211 (struct hw *me,
 212  const char *property,
 213  unsigned index,
 214  reg_property_spec *reg);
 215
 216
 217
 218 void hw_add_string_property
 219 (struct hw *me,
 220  const char *property,
 221  const char *string);
 222
 223 const char *hw_find_string_property
 224 (struct hw *me,
 225  const char *property);
 226
 227
 228
 229 typedef const char *string_property_spec;
 230
 231 void hw_add_string_array_property
 232 (struct hw *me,
 233  const char *property,
 234  const string_property_spec *strings,
 235  unsigned nr_strings);
 236
 237 int hw_find_string_array_property
 238 (struct hw *me,
 239  const char *property,
 240  unsigned index,
 241  string_property_spec *string);
 242
 243
 244
 245 void hw_add_duplicate_property
 246 (struct hw *me,
 247  const char *property,
 248  const struct hw_property *original);
 249
 250 #endif