1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2006 by Magnus Lundin *
8 * Copyright (C) 2008 by Spencer Oliver *
9 * spen@spen-soft.co.uk *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program; if not, write to the *
23 * Free Software Foundation, Inc., *
24 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
25 ***************************************************************************/
26 #ifndef ARMV7M_COMMON_H
27 #define ARMV7M_COMMON_H
29 #include "arm_adi_v5.h"
32 /* define for enabling armv7 gdb workarounds */
34 #define ARMV7_GDB_HACKS
37 #ifdef ARMV7_GDB_HACKS
38 extern uint8_t armv7m_gdb_dummy_cpsr_value
[];
39 extern struct reg armv7m_gdb_dummy_cpsr_reg
;
45 ARMV7M_MODE_THREAD
= 0,
46 ARMV7M_MODE_USER_THREAD
= 1,
47 ARMV7M_MODE_HANDLER
= 2,
51 extern char *armv7m_mode_strings
[];
55 ARMV7M_REGISTER_CORE_GP
,
56 ARMV7M_REGISTER_CORE_SP
,
57 ARMV7M_REGISTER_MEMMAP
60 char *armv7m_exception_string(int number
);
62 /* offsets into armv7m core register cache */
65 /* for convenience, the first set of indices match
66 * the Cortex-M3 DCRSR selectors
92 /* this next set of indices is arbitrary */
99 #define ARMV7M_COMMON_MAGIC 0x2A452A45
104 struct reg_cache
*core_cache
;
105 enum armv7m_mode core_mode
;
106 int exception_number
;
107 struct swjdp_common swjdp_info
;
111 /* Direct processor core register read and writes */
112 int (*load_core_reg_u32
)(struct target
*target
,
113 enum armv7m_regtype type
, uint32_t num
, uint32_t *value
);
114 int (*store_core_reg_u32
)(struct target
*target
,
115 enum armv7m_regtype type
, uint32_t num
, uint32_t value
);
117 /* register cache to processor synchronization */
118 int (*read_core_reg
)(struct target
*target
, unsigned num
);
119 int (*write_core_reg
)(struct target
*target
, unsigned num
);
121 int (*examine_debug_reason
)(struct target
*target
);
122 void (*post_debug_entry
)(struct target
*target
);
124 void (*pre_restore_context
)(struct target
*target
);
125 void (*post_restore_context
)(struct target
*target
);
128 static inline struct armv7m_common
*
129 target_to_armv7m(struct target
*target
)
131 return target
->arch_info
;
134 static inline bool is_armv7m(struct armv7m_common
*armv7m
)
136 return armv7m
->common_magic
== ARMV7M_COMMON_MAGIC
;
139 struct armv7m_algorithm
143 enum armv7m_mode core_mode
;
146 struct armv7m_core_reg
149 enum armv7m_regtype type
;
150 struct target
*target
;
151 struct armv7m_common
*armv7m_common
;
154 struct reg_cache
*armv7m_build_reg_cache(struct target
*target
);
155 enum armv7m_mode
armv7m_number_to_mode(int number
);
156 int armv7m_mode_to_number(enum armv7m_mode mode
);
158 int armv7m_arch_state(struct target
*target
);
159 int armv7m_get_gdb_reg_list(struct target
*target
,
160 struct reg
**reg_list
[], int *reg_list_size
);
162 int armv7m_init_arch_info(struct target
*target
, struct armv7m_common
*armv7m
);
164 int armv7m_run_algorithm(struct target
*target
,
165 int num_mem_params
, struct mem_param
*mem_params
,
166 int num_reg_params
, struct reg_param
*reg_params
,
167 uint32_t entry_point
, uint32_t exit_point
,
168 int timeout_ms
, void *arch_info
);
170 int armv7m_invalidate_core_regs(struct target
*target
);
172 int armv7m_restore_context(struct target
*target
);
174 int armv7m_checksum_memory(struct target
*target
,
175 uint32_t address
, uint32_t count
, uint32_t* checksum
);
176 int armv7m_blank_check_memory(struct target
*target
,
177 uint32_t address
, uint32_t count
, uint32_t* blank
);
179 int armv7m_maybe_skip_bkpt_inst(struct target
*target
, bool *inst_found
);
181 extern const struct command_registration armv7m_command_handlers
[];
183 #endif /* ARMV7M_H */
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