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
|
#ifndef TARGET_TYPE_H
#define TARGET_TYPE_H
#include "types.h"
struct target_s;
struct target_type_s
{
/**
* Name of the target. Do @b not access this field directly, use
* target_get_name() instead.
*/
char *name;
/**
* Indicates whether this target has been examined.
*
* Do @b not access this field directly, use target_was_examined()
* target_set_examined(), and target_reset_examined().
*/
int examined;
/* poll current target status */
int (*poll)(struct target_s *target);
/* Invoked only from target_arch_state().
* Issue USER() w/architecture specific status. */
int (*arch_state)(struct target_s *target);
/* target request support */
int (*target_request_data)(struct target_s *target, uint32_t size, uint8_t *buffer);
/* halt will log a warning, but return ERROR_OK if the target is already halted. */
int (*halt)(struct target_s *target);
int (*resume)(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution);
int (*step)(struct target_s *target, int current, uint32_t address, int handle_breakpoints);
/* target reset control. assert reset can be invoked when OpenOCD and
* the target is out of sync.
*
* A typical example is that the target was power cycled while OpenOCD
* thought the target was halted or running.
*
* assert_reset() can therefore make no assumptions whatsoever about the
* state of the target
*
* Before assert_reset() for the target is invoked, a TRST/tms and
* chain validation is executed. TRST should not be asserted
* during target assert unless there is no way around it due to
* the way reset's are configured.
*
*/
int (*assert_reset)(struct target_s *target);
int (*deassert_reset)(struct target_s *target);
int (*soft_reset_halt_imp)(struct target_s *target);
int (*soft_reset_halt)(struct target_s *target);
/**
* Target register access for GDB. Do @b not call this function
* directly, use target_get_gdb_reg_list() instead.
*
* Danger! this function will succeed even if the target is running
* and return a register list with dummy values.
*
* The reason is that GDB connection will fail without a valid register
* list, however it is after GDB is connected that monitor commands can
* be run to properly initialize the target
*/
int (*get_gdb_reg_list)(struct target_s *target, struct reg_s **reg_list[], int *reg_list_size);
/* target memory access
* size: 1 = byte (8bit), 2 = half-word (16bit), 4 = word (32bit)
* count: number of items of <size>
*/
int (*read_memory_imp)(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
/**
* Target memory read callback. Do @b not call this function
* directly, use target_read_memory() instead.
*/
int (*read_memory)(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
int (*write_memory_imp)(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
/**
* Target memory write callback. Do @b not call this function
* directly, use target_write_memory() instead.
*/
int (*write_memory)(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
/**
* Write target memory in multiples of 4 bytes, optimized for
* writing large quantities of data. Do @b not call this
* function directly, use target_bulk_write_memory() instead.
*/
int (*bulk_write_memory)(struct target_s *target, uint32_t address, uint32_t count, uint8_t *buffer);
int (*checksum_memory)(struct target_s *target, uint32_t address, uint32_t count, uint32_t* checksum);
int (*blank_check_memory)(struct target_s *target, uint32_t address, uint32_t count, uint32_t* blank);
/*
* target break-/watchpoint control
* rw: 0 = write, 1 = read, 2 = access
*
* Target must be halted while this is invoked as this
* will actually set up breakpoints on target.
*
* The breakpoint hardware will be set up upon adding the first breakpoint.
*
* Upon GDB connection all breakpoints/watchpoints are cleared.
*/
int (*add_breakpoint)(struct target_s *target, breakpoint_t *breakpoint);
/* remove breakpoint. hw will only be updated if the target is currently halted.
* However, this method can be invoked on unresponsive targets.
*/
int (*remove_breakpoint)(struct target_s *target, breakpoint_t *breakpoint);
int (*add_watchpoint)(struct target_s *target, watchpoint_t *watchpoint);
/* remove watchpoint. hw will only be updated if the target is currently halted.
* However, this method can be invoked on unresponsive targets.
*/
int (*remove_watchpoint)(struct target_s *target, watchpoint_t *watchpoint);
/* target algorithm support */
int (*run_algorithm_imp)(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info);
/**
* Target algorithm support. Do @b not call this method directly,
* use target_run_algorithm() instead.
*/
int (*run_algorithm)(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info);
int (*register_commands)(struct command_context_s *cmd_ctx);
/* called when target is created */
int (*target_create)( struct target_s *target, Jim_Interp *interp );
/* called for various config parameters */
/* returns JIM_CONTINUE - if option not understood */
/* otherwise: JIM_OK, or JIM_ERR, */
int (*target_jim_configure)( struct target_s *target, Jim_GetOptInfo *goi );
/* target commands specifically handled by the target */
/* returns JIM_OK, or JIM_ERR, or JIM_CONTINUE - if option not understood */
int (*target_jim_commands)( struct target_s *target, Jim_GetOptInfo *goi );
/* invoked after JTAG chain has been examined & validated. During
* this stage the target is examined and any additional setup is
* performed.
*
* invoked every time after the jtag chain has been validated/examined
*/
int (*examine)(struct target_s *target);
/* Set up structures for target.
*
* It is illegal to talk to the target at this stage as this fn is invoked
* before the JTAG chain has been examined/verified
* */
int (*init_target)(struct command_context_s *cmd_ctx, struct target_s *target);
int (*quit)(void);
int (*virt2phys)(struct target_s *target, uint32_t address, uint32_t *physical);
int (*mmu)(struct target_s *target, int *enabled);
};
#endif // TARGET_TYPE_H
|
