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 <target/arm_adi_v5.h>
30 #include <target/armv4_5.h>
32 /* define for enabling armv7 gdb workarounds */
34 #define ARMV7_GDB_HACKS
39 ARMV7M_MODE_THREAD = 0,
40 ARMV7M_MODE_USER_THREAD = 1,
41 ARMV7M_MODE_HANDLER = 2,
45 extern char *armv7m_mode_strings[];
49 ARMV7M_REGISTER_CORE_GP,
50 ARMV7M_REGISTER_CORE_SP,
51 ARMV7M_REGISTER_MEMMAP
54 char *armv7m_exception_string(int number);
56 /* offsets into armv7m core register cache */
59 /* for convenience, the first set of indices match
60 * the Cortex-M3 DCRSR selectors
86 /* this next set of indices is arbitrary */
93 #define ARMV7M_COMMON_MAGIC 0x2A452A45
98 struct reg_cache *core_cache;
99 enum armv7m_mode core_mode;
100 int exception_number;
101 struct swjdp_common swjdp_info;
103 /* Direct processor core register read and writes */
104 int (*load_core_reg_u32)(struct target *target, enum armv7m_regtype type, uint32_t num, uint32_t *value);
105 int (*store_core_reg_u32)(struct target *target, enum armv7m_regtype type, uint32_t num, uint32_t value);
106 /* register cache to processor synchronization */
107 int (*read_core_reg)(struct target *target, unsigned num);
108 int (*write_core_reg)(struct target *target, unsigned num);
110 int (*examine_debug_reason)(struct target *target);
111 void (*post_debug_entry)(struct target *target);
113 void (*pre_restore_context)(struct target *target);
114 void (*post_restore_context)(struct target *target);
117 static inline struct armv7m_common *
118 target_to_armv7m(struct target *target)
120 return target->arch_info;
123 struct armv7m_algorithm
127 enum armv7m_mode core_mode;
130 struct armv7m_core_reg
133 enum armv7m_regtype type;
134 struct target *target;
135 struct armv7m_common *armv7m_common;
138 struct reg_cache *armv7m_build_reg_cache(struct target *target);
139 enum armv7m_mode armv7m_number_to_mode(int number);
140 int armv7m_mode_to_number(enum armv7m_mode mode);
142 int armv7m_arch_state(struct target *target);
143 int armv7m_get_gdb_reg_list(struct target *target,
144 struct reg **reg_list[], int *reg_list_size);
146 int armv7m_init_arch_info(struct target *target, struct armv7m_common *armv7m);
148 int armv7m_run_algorithm(struct target *target,
149 int num_mem_params, struct mem_param *mem_params,
150 int num_reg_params, struct reg_param *reg_params,
151 uint32_t entry_point, uint32_t exit_point,
152 int timeout_ms, void *arch_info);
154 int armv7m_invalidate_core_regs(struct target *target);
156 int armv7m_restore_context(struct target *target);
158 int armv7m_checksum_memory(struct target *target,
159 uint32_t address, uint32_t count, uint32_t* checksum);
160 int armv7m_blank_check_memory(struct target *target,
161 uint32_t address, uint32_t count, uint32_t* blank);
163 extern const struct command_registration armv7m_command_handlers[];
165 #endif /* ARMV7M_H */