+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * 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, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-#ifndef REGISTER_H
-#define REGISTER_H
-
-#include "types.h"
-#include "target.h"
-
-struct target_s;
-
-typedef struct bitfield_desc_s
-{
- char *name;
- int num_bits;
-} bitfield_desc_t;
-
-typedef struct reg_s
-{
- char *name;
- void *value;
- int dirty;
- int valid;
- u32 size;
- bitfield_desc_t *bitfield_desc;
- int num_bitfields;
+
+#ifndef OPENOCD_TARGET_REGISTER_H
+#define OPENOCD_TARGET_REGISTER_H
+
+#include "helper/replacements.h"
+#include "helper/types.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;
- int arch_type;
-} reg_t;
-
-typedef struct reg_cache_s
-{
- char *name;
- struct reg_cache_s *next;
- reg_t *reg_list;
- int num_regs;
-} reg_cache_t;
-
-typedef struct reg_arch_type_s
-{
- int id;
- int (*get)(reg_t *reg);
- int (*set)(reg_t *reg, u8 *buf);
- struct reg_arch_type_s *next;
-} reg_arch_type_t;
-
-extern reg_t* register_get_by_name(reg_cache_t *first, char *name, int search_all);
-extern reg_cache_t** register_get_last_cache_p(reg_cache_t **first);
-extern int register_reg_arch_type(int (*get)(reg_t *reg), int (*set)(reg_t *reg, u8 *buf));
-extern reg_arch_type_t* register_get_arch_type(int id);
-extern void register_init_dummy(reg_t *reg);
-
-#endif /* REGISTER_H */
+ 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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