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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
25 ***************************************************************************/
27 #ifndef ARMV7M_COMMON_H
28 #define ARMV7M_COMMON_H
30 #include "arm_adi_v5.h"
33 extern const int armv7m_psp_reg_map
[];
34 extern const int armv7m_msp_reg_map
[];
36 char *armv7m_exception_string(int number
);
38 /* offsets into armv7m core register cache */
40 /* for convenience, the first set of indices match
41 * the Cortex-M3/-M4 DCRSR selectors
67 /* this next set of indices is arbitrary */
73 /* 32bit Floating-point registers */
107 /* 64bit Floating-point registers */
125 /* Floating-point status registers */
138 #define ARMV7M_COMMON_MAGIC 0x2A452A45
140 struct armv7m_common
{
144 int exception_number
;
145 struct adiv5_dap dap
;
150 /* stlink is a high level adapter, does not support all functions */
153 /* Direct processor core register read and writes */
154 int (*load_core_reg_u32
)(struct target
*target
, uint32_t num
, uint32_t *value
);
155 int (*store_core_reg_u32
)(struct target
*target
, uint32_t num
, uint32_t value
);
157 int (*examine_debug_reason
)(struct target
*target
);
158 int (*post_debug_entry
)(struct target
*target
);
160 void (*pre_restore_context
)(struct target
*target
);
163 static inline struct armv7m_common
*
164 target_to_armv7m(struct target
*target
)
166 return container_of(target
->arch_info
, struct armv7m_common
, arm
);
169 static inline bool is_armv7m(struct armv7m_common
*armv7m
)
171 return armv7m
->common_magic
== ARMV7M_COMMON_MAGIC
;
174 struct armv7m_algorithm
{
177 enum arm_mode core_mode
;
179 uint32_t context
[ARMV7M_LAST_REG
]; /* ARMV7M_NUM_REGS */
182 struct reg_cache
*armv7m_build_reg_cache(struct target
*target
);
183 enum armv7m_mode
armv7m_number_to_mode(int number
);
184 int armv7m_mode_to_number(enum armv7m_mode mode
);
186 int armv7m_arch_state(struct target
*target
);
187 int armv7m_get_gdb_reg_list(struct target
*target
,
188 struct reg
**reg_list
[], int *reg_list_size
,
189 enum target_register_class reg_class
);
191 int armv7m_init_arch_info(struct target
*target
, struct armv7m_common
*armv7m
);
193 int armv7m_run_algorithm(struct target
*target
,
194 int num_mem_params
, struct mem_param
*mem_params
,
195 int num_reg_params
, struct reg_param
*reg_params
,
196 uint32_t entry_point
, uint32_t exit_point
,
197 int timeout_ms
, void *arch_info
);
199 int armv7m_start_algorithm(struct target
*target
,
200 int num_mem_params
, struct mem_param
*mem_params
,
201 int num_reg_params
, struct reg_param
*reg_params
,
202 uint32_t entry_point
, uint32_t exit_point
,
205 int armv7m_wait_algorithm(struct target
*target
,
206 int num_mem_params
, struct mem_param
*mem_params
,
207 int num_reg_params
, struct reg_param
*reg_params
,
208 uint32_t exit_point
, int timeout_ms
,
211 int armv7m_invalidate_core_regs(struct target
*target
);
213 int armv7m_restore_context(struct target
*target
);
215 int armv7m_checksum_memory(struct target
*target
,
216 uint32_t address
, uint32_t count
, uint32_t *checksum
);
217 int armv7m_blank_check_memory(struct target
*target
,
218 uint32_t address
, uint32_t count
, uint32_t *blank
);
220 int armv7m_maybe_skip_bkpt_inst(struct target
*target
, bool *inst_found
);
222 extern const struct command_registration armv7m_command_handlers
[];
224 #endif /* ARMV7M_H */