1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
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. *
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. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
20 ***************************************************************************/
22 #ifndef OPENOCD_TARGET_REGISTER_H
23 #define OPENOCD_TARGET_REGISTER_H
46 REG_TYPE_ARCH_DEFINED
,
53 struct reg_data_type_vector
{
54 struct reg_data_type
*type
;
58 struct reg_data_type_union_field
{
60 struct reg_data_type
*type
;
61 struct reg_data_type_union_field
*next
;
64 struct reg_data_type_union
{
65 struct reg_data_type_union_field
*fields
;
68 struct reg_data_type_bitfield
{
74 struct reg_data_type_struct_field
{
78 struct reg_data_type_bitfield
*bitfield
;
79 struct reg_data_type
*type
;
81 struct reg_data_type_struct_field
*next
;
84 struct reg_data_type_struct
{
86 struct reg_data_type_struct_field
*fields
;
89 struct reg_data_type_flags_field
{
91 struct reg_data_type_bitfield
*bitfield
;
92 struct reg_data_type_flags_field
*next
;
95 struct reg_data_type_flags
{
97 struct reg_data_type_flags_field
*fields
;
100 enum reg_data_type_class
{
101 REG_TYPE_CLASS_VECTOR
,
102 REG_TYPE_CLASS_UNION
,
103 REG_TYPE_CLASS_STRUCT
,
104 REG_TYPE_CLASS_FLAGS
,
107 struct reg_data_type
{
110 enum reg_data_type_class type_class
;
112 struct reg_data_type_vector
*reg_type_vector
;
113 struct reg_data_type_union
*reg_type_union
;
114 struct reg_data_type_struct
*reg_type_struct
;
115 struct reg_data_type_flags
*reg_type_flags
;
120 /* Canonical name of the register. */
122 /* Number that gdb uses to access this register. */
124 /* TODO. This should probably be const. */
125 struct reg_feature
*feature
;
126 /* TODO: When true, the caller will save this register before running any algorithm. */
128 /* Pointer to place where the value is stored, in the format understood by
129 * the binarybuffer.h functions. */
131 /* The stored value needs to be written to the target. */
133 /* When true, value is valid. */
135 /* When false, the register doesn't actually exist in the target. */
137 /* Size of the register in bits. */
139 /* Used for generating XML description of registers. Can be set to NULL for
140 * targets that don't use that. */
141 struct reg_data_type
*reg_data_type
;
142 /* Used for generating XML description of registers. Can be set to NULL for
143 * targets that don't use that. */
145 /* Pointer to architecture-specific info for this register. */
147 const struct reg_arch_type
*type
;
152 struct reg_cache
*next
;
153 struct reg
*reg_list
;
157 struct reg_arch_type
{
158 int (*get
)(struct reg
*reg
);
159 int (*set
)(struct reg
*reg
, uint8_t *buf
);
162 struct reg
*register_get_by_name(struct reg_cache
*first
,
163 const char *name
, bool search_all
);
164 struct reg_cache
**register_get_last_cache_p(struct reg_cache
**first
);
165 void register_unlink_cache(struct reg_cache
**cache_p
, const struct reg_cache
*cache
);
166 void register_cache_invalidate(struct reg_cache
*cache
);
168 void register_init_dummy(struct reg
*reg
);
170 #endif /* OPENOCD_TARGET_REGISTER_H */