1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/***************************************************************************
* Copyright (C) 2008 digenius technology GmbH. *
* Michael Bruck *
* *
* Copyright (C) 2008 Georg Acher <acher@in.tum.de> *
* *
* 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 ARM11_H
#define ARM11_H
#include "target.h"
#include "register.h"
#include "jtag.h"
#define asizeof(x) (sizeof(x) / sizeof((x)[0]))
#define NEW(type, variable, items) \
type * variable = calloc(1, sizeof(type) * items)
/* For MinGW use 'I' prefix to print size_t (instead of 'z') */
/* Except if __USE_MINGW_ANSI_STDIO is defined with MinGW */
#if (!defined(__MSVCRT__) || defined(__USE_MINGW_ANSI_STDIO))
#define ZU "%zu"
#else
#define ZU "%Iu"
#endif
#define ARM11_REGCACHE_MODEREGS 0
#define ARM11_REGCACHE_FREGS 0
#define ARM11_REGCACHE_COUNT (20 + \
23 * ARM11_REGCACHE_MODEREGS + \
9 * ARM11_REGCACHE_FREGS)
#define ARM11_TAP_DEFAULT TAP_INVALID
#define CHECK_RETVAL(action) \
do { \
int __retval = (action); \
\
if (__retval != ERROR_OK) \
{ \
LOG_DEBUG("error while calling \"" # action "\""); \
return __retval; \
} \
\
} while (0)
struct arm11_register_history
{
uint32_t value;
uint8_t valid;
};
enum arm11_debug_version
{
ARM11_DEBUG_V6 = 0x01,
ARM11_DEBUG_V61 = 0x02,
ARM11_DEBUG_V7 = 0x03,
ARM11_DEBUG_V7_CP14 = 0x04,
};
struct arm11_common
{
target_t * target; /**< Reference back to the owner */
/** \name Processor type detection */
/*@{*/
uint32_t device_id; /**< IDCODE readout */
uint32_t didr; /**< DIDR readout (debug capabilities) */
uint8_t implementor; /**< DIDR Implementor readout */
size_t brp; /**< Number of Breakpoint Register Pairs from DIDR */
size_t wrp; /**< Number of Watchpoint Register Pairs from DIDR */
enum arm11_debug_version
debug_version; /**< ARM debug architecture from DIDR */
/*@}*/
uint32_t last_dscr; /**< Last retrieved DSCR value;
Use only for debug message generation */
bool simulate_reset_on_next_halt; /**< Perform cleanups of the ARM state on next halt */
/** \name Shadow registers to save processor state */
/*@{*/
reg_t * reg_list; /**< target register list */
uint32_t reg_values[ARM11_REGCACHE_COUNT]; /**< data for registers */
/*@}*/
struct arm11_register_history
reg_history[ARM11_REGCACHE_COUNT]; /**< register state before last resume */
size_t free_brps; /**< keep track of breakpoints allocated by arm11_add_breakpoint() */
size_t free_wrps; /**< keep track of breakpoints allocated by arm11_add_watchpoint() */
// GA
reg_cache_t *core_cache;
};
/**
* ARM11 DBGTAP instructions
*
* http://infocenter.arm.com/help/topic/com.arm.doc.ddi0301f/I1006229.html
*/
enum arm11_instructions
{
ARM11_EXTEST = 0x00,
ARM11_SCAN_N = 0x02,
ARM11_RESTART = 0x04,
ARM11_HALT = 0x08,
ARM11_INTEST = 0x0C,
ARM11_ITRSEL = 0x1D,
ARM11_IDCODE = 0x1E,
ARM11_BYPASS = 0x1F,
};
enum arm11_dscr
{
ARM11_DSCR_CORE_HALTED = 1 << 0,
ARM11_DSCR_CORE_RESTARTED = 1 << 1,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK = 0x0F << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT = 0x00 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT = 0x01 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT = 0x02 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION = 0x03 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ = 0x04 << 2,
ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH = 0x05 << 2,
ARM11_DSCR_STICKY_PRECISE_DATA_ABORT = 1 << 6,
ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT = 1 << 7,
ARM11_DSCR_INTERRUPTS_DISABLE = 1 << 11,
ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE = 1 << 13,
ARM11_DSCR_MODE_SELECT = 1 << 14,
ARM11_DSCR_WDTR_FULL = 1 << 29,
ARM11_DSCR_RDTR_FULL = 1 << 30,
};
enum arm11_cpsr
{
ARM11_CPSR_T = 1 << 5,
ARM11_CPSR_J = 1 << 24,
};
enum arm11_sc7
{
ARM11_SC7_NULL = 0,
ARM11_SC7_VCR = 7,
ARM11_SC7_PC = 8,
ARM11_SC7_BVR0 = 64,
ARM11_SC7_BCR0 = 80,
ARM11_SC7_WVR0 = 96,
ARM11_SC7_WCR0 = 112,
};
struct arm11_reg_state
{
uint32_t def_index;
target_t * target;
};
int arm11_register_commands(struct command_context_s *cmd_ctx);
int arm11_read_etm(struct arm11_common * arm11, uint8_t address, uint32_t *value);
int arm11_write_etm(struct arm11_common * arm11, uint8_t address, uint32_t value);
#endif /* ARM11_H */
|
