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
44 REG_TYPE_ARCH_DEFINED
,
51 struct reg_data_type_vector
{
52 struct reg_data_type
*type
;
56 struct reg_data_type_union_field
{
58 struct reg_data_type
*type
;
59 struct reg_data_type_union_field
*next
;
62 struct reg_data_type_union
{
63 struct reg_data_type_union_field
*fields
;
66 struct reg_data_type_bitfield
{
71 struct reg_data_type_struct_field
{
75 struct reg_data_type_bitfield
*bitfield
;
76 struct reg_data_type
*type
;
78 struct reg_data_type_struct_field
*next
;
81 struct reg_data_type_struct
{
83 struct reg_data_type_struct_field
*fields
;
86 struct reg_data_type_flags_field
{
88 struct reg_data_type_bitfield
*bitfield
;
89 struct reg_data_type_flags_field
*next
;
92 struct reg_data_type_flags
{
94 struct reg_data_type_flags_field
*fields
;
97 enum reg_data_type_class
{
98 REG_TYPE_CLASS_VECTOR
,
100 REG_TYPE_CLASS_STRUCT
,
101 REG_TYPE_CLASS_FLAGS
,
104 struct reg_data_type
{
107 enum reg_data_type_class type_class
;
109 struct reg_data_type_vector
*reg_type_vector
;
110 struct reg_data_type_union
*reg_type_union
;
111 struct reg_data_type_struct
*reg_type_struct
;
112 struct reg_data_type_flags
*reg_type_flags
;
117 /* Canonical name of the register. */
119 /* Number that gdb uses to access this register. */
121 /* TODO. This should probably be const. */
122 struct reg_feature
*feature
;
123 /* TODO: When true, the caller will save this register before running any algorithm. */
125 /* Pointer to place where the value is stored, in the format understood by
126 * the binarybuffer.h functions. */
128 /* The stored value needs to be written to the target. */
130 /* When true, value is valid. */
132 /* When false, the register doesn't actually exist in the target. */
134 /* Size of the register in bits. */
136 /* Used for generating XML description of registers. Can be set to NULL for
137 * targets that don't use that. */
138 struct reg_data_type
*reg_data_type
;
139 /* Used for generating XML description of registers. Can be set to NULL for
140 * targets that don't use that. */
142 /* Pointer to architecture-specific info for this register. */
144 const struct reg_arch_type
*type
;
149 struct reg_cache
*next
;
150 struct reg
*reg_list
;
154 struct reg_arch_type
{
155 int (*get
)(struct reg
*reg
);
156 int (*set
)(struct reg
*reg
, uint8_t *buf
);
159 struct reg
*register_get_by_name(struct reg_cache
*first
,
160 const char *name
, bool search_all
);
161 struct reg_cache
**register_get_last_cache_p(struct reg_cache
**first
);
162 void register_unlink_cache(struct reg_cache
**cache_p
, const struct reg_cache
*cache
);
163 void register_cache_invalidate(struct reg_cache
*cache
);
165 void register_init_dummy(struct reg
*reg
);
167 #endif /* OPENOCD_TARGET_REGISTER_H */
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