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, see <http://www.gnu.org/licenses/>. *
23 ***************************************************************************/
25 #ifndef ARMV7M_COMMON_H
26 #define ARMV7M_COMMON_H
28 #include "arm_adi_v5.h"
30 #include "armv7m_trace.h"
32 extern const int armv7m_psp_reg_map
[];
33 extern const int armv7m_msp_reg_map
[];
35 const char *armv7m_exception_string(int number
);
37 /* offsets into armv7m core register cache */
39 /* for convenience, the first set of indices match
40 * the Cortex-M3/-M4 DCRSR selectors
66 /* this next set of indices is arbitrary */
72 /* 32bit Floating-point registers */
106 /* 64bit Floating-point registers */
124 /* Floating-point status registers */
137 #define ARMV7M_NUM_CORE_REGS (ARMV7M_xPSR + 1)
138 #define ARMV7M_NUM_CORE_REGS_NOFP (ARMV7M_NUM_CORE_REGS + 6)
140 #define ARMV7M_COMMON_MAGIC 0x2A452A45
142 struct armv7m_common
{
146 int exception_number
;
148 /* AP this processor is connected to in the DAP */
149 struct adiv5_ap
*debug_ap
;
154 /* stlink is a high level adapter, does not support all functions */
157 struct armv7m_trace_config trace_config
;
159 /* Direct processor core register read and writes */
160 int (*load_core_reg_u32
)(struct target
*target
, uint32_t num
, uint32_t *value
);
161 int (*store_core_reg_u32
)(struct target
*target
, uint32_t num
, uint32_t value
);
163 int (*examine_debug_reason
)(struct target
*target
);
164 int (*post_debug_entry
)(struct target
*target
);
166 void (*pre_restore_context
)(struct target
*target
);
169 static inline struct armv7m_common
*
170 target_to_armv7m(struct target
*target
)
172 return container_of(target
->arch_info
, struct armv7m_common
, arm
);
175 static inline bool is_armv7m(struct armv7m_common
*armv7m
)
177 return armv7m
->common_magic
== ARMV7M_COMMON_MAGIC
;
180 struct armv7m_algorithm
{
183 enum arm_mode core_mode
;
185 uint32_t context
[ARMV7M_LAST_REG
]; /* ARMV7M_NUM_REGS */
188 struct reg_cache
*armv7m_build_reg_cache(struct target
*target
);
189 void armv7m_free_reg_cache(struct target
*target
);
191 enum armv7m_mode
armv7m_number_to_mode(int number
);
192 int armv7m_mode_to_number(enum armv7m_mode mode
);
194 int armv7m_arch_state(struct target
*target
);
195 int armv7m_get_gdb_reg_list(struct target
*target
,
196 struct reg
**reg_list
[], int *reg_list_size
,
197 enum target_register_class reg_class
);
199 int armv7m_init_arch_info(struct target
*target
, struct armv7m_common
*armv7m
);
201 int armv7m_run_algorithm(struct target
*target
,
202 int num_mem_params
, struct mem_param
*mem_params
,
203 int num_reg_params
, struct reg_param
*reg_params
,
204 uint32_t entry_point
, uint32_t exit_point
,
205 int timeout_ms
, void *arch_info
);
207 int armv7m_start_algorithm(struct target
*target
,
208 int num_mem_params
, struct mem_param
*mem_params
,
209 int num_reg_params
, struct reg_param
*reg_params
,
210 uint32_t entry_point
, uint32_t exit_point
,
213 int armv7m_wait_algorithm(struct target
*target
,
214 int num_mem_params
, struct mem_param
*mem_params
,
215 int num_reg_params
, struct reg_param
*reg_params
,
216 uint32_t exit_point
, int timeout_ms
,
219 int armv7m_invalidate_core_regs(struct target
*target
);
221 int armv7m_restore_context(struct target
*target
);
223 int armv7m_checksum_memory(struct target
*target
,
224 uint32_t address
, uint32_t count
, uint32_t *checksum
);
225 int armv7m_blank_check_memory(struct target
*target
,
226 uint32_t address
, uint32_t count
, uint32_t *blank
);
228 int armv7m_maybe_skip_bkpt_inst(struct target
*target
, bool *inst_found
);
230 extern const struct command_registration armv7m_command_handlers
[];
232 #endif /* ARMV7M_H */