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- /***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2007,2008 Øyvind Harboe *
- * oyvind.harboe@zylin.com *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program. If not, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
- #ifndef OPENOCD_TARGET_REGISTER_H
- #define OPENOCD_TARGET_REGISTER_H
-
- struct target;
-
- enum reg_type {
- REG_TYPE_BOOL,
- REG_TYPE_INT,
- REG_TYPE_INT8,
- REG_TYPE_INT16,
- REG_TYPE_INT32,
- REG_TYPE_INT64,
- REG_TYPE_INT128,
- REG_TYPE_UINT,
- REG_TYPE_UINT8,
- REG_TYPE_UINT16,
- REG_TYPE_UINT32,
- REG_TYPE_UINT64,
- REG_TYPE_UINT128,
- REG_TYPE_CODE_PTR,
- REG_TYPE_DATA_PTR,
- REG_TYPE_FLOAT,
- REG_TYPE_IEEE_SINGLE,
- REG_TYPE_IEEE_DOUBLE,
- REG_TYPE_ARCH_DEFINED,
- };
-
- struct reg_feature {
- const char *name;
- };
-
- struct reg_data_type_vector {
- struct reg_data_type *type;
- uint32_t count;
- };
-
- struct reg_data_type_union_field {
- const char *name;
- struct reg_data_type *type;
- struct reg_data_type_union_field *next;
- };
-
- struct reg_data_type_union {
- struct reg_data_type_union_field *fields;
- };
-
- struct reg_data_type_bitfield {
- uint32_t start;
- uint32_t end;
- enum reg_type type;
- };
-
- struct reg_data_type_struct_field {
- const char *name;
- bool use_bitfields;
- union {
- struct reg_data_type_bitfield *bitfield;
- struct reg_data_type *type;
- };
- struct reg_data_type_struct_field *next;
- };
-
- struct reg_data_type_struct {
- uint32_t size;
- struct reg_data_type_struct_field *fields;
- };
-
- struct reg_data_type_flags_field {
- const char *name;
- struct reg_data_type_bitfield *bitfield;
- struct reg_data_type_flags_field *next;
- };
-
- struct reg_data_type_flags {
- uint32_t size;
- struct reg_data_type_flags_field *fields;
- };
-
- enum reg_data_type_class {
- REG_TYPE_CLASS_VECTOR,
- REG_TYPE_CLASS_UNION,
- REG_TYPE_CLASS_STRUCT,
- REG_TYPE_CLASS_FLAGS,
- };
-
- struct reg_data_type {
- enum reg_type type;
- const char *id;
- enum reg_data_type_class type_class;
- union {
- struct reg_data_type_vector *reg_type_vector;
- struct reg_data_type_union *reg_type_union;
- struct reg_data_type_struct *reg_type_struct;
- struct reg_data_type_flags *reg_type_flags;
- };
- };
-
- struct reg {
- /* Canonical name of the register. */
- const char *name;
- /* Number that gdb uses to access this register. */
- uint32_t number;
- /* TODO. This should probably be const. */
- struct reg_feature *feature;
- /* TODO: When true, the caller will save this register before running any algorithm. */
- bool caller_save;
- /* Pointer to place where the value is stored, in the format understood by
- * the binarybuffer.h functions. */
- uint8_t *value;
- /* The stored value needs to be written to the target. */
- bool dirty;
- /* When true, value is valid. */
- bool valid;
- /* When false, the register doesn't actually exist in the target. */
- bool exist;
- /* Hide the register from gdb and omit it in 'reg' cmd output */
- bool hidden;
- /* Size of the register in bits. */
- uint32_t size;
- /* Used for generating XML description of registers. Can be set to NULL for
- * targets that don't use that. */
- struct reg_data_type *reg_data_type;
- /* Used for generating XML description of registers. Can be set to NULL for
- * targets that don't use that. */
- const char *group;
- /* Pointer to architecture-specific info for this register. */
- void *arch_info;
- const struct reg_arch_type *type;
- };
-
- struct reg_cache {
- const char *name;
- struct reg_cache *next;
- struct reg *reg_list;
- unsigned num_regs;
- };
-
- struct reg_arch_type {
- int (*get)(struct reg *reg);
- int (*set)(struct reg *reg, uint8_t *buf);
- };
-
- struct reg *register_get_by_number(struct reg_cache *first,
- uint32_t reg_num, bool search_all);
- struct reg *register_get_by_name(struct reg_cache *first,
- const char *name, bool search_all);
- struct reg_cache **register_get_last_cache_p(struct reg_cache **first);
- void register_unlink_cache(struct reg_cache **cache_p, const struct reg_cache *cache);
- void register_cache_invalidate(struct reg_cache *cache);
-
- void register_init_dummy(struct reg *reg);
-
- #endif /* OPENOCD_TARGET_REGISTER_H */
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