1 /***************************************************************************
3 * This program is free software; you can redistribute it and/or modify *
4 * it under the terms of the GNU General Public License as published by *
5 * the Free Software Foundation; either version 2 of the License, or *
6 * (at your option) any later version. *
8 * This program is distributed in the hope that it will be useful, *
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
11 * GNU General Public License for more details. *
13 * You should have received a copy of the GNU General Public License *
14 * along with this program; if not, write to the *
15 * Free Software Foundation, Inc., *
16 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
17 ***************************************************************************/
23 #include <helper/time_support.h>
24 #include <jtag/jtag.h>
25 #include "target/target.h"
26 #include "target/target_type.h"
28 #include "helper/log.h"
29 #include "rtos_ecos_stackings.h"
31 static int eCos_detect_rtos( struct target
* target
);
32 static int eCos_create( struct target
* target
);
33 static int eCos_update_threads( struct rtos
* rtos
);
34 static int eCos_get_thread_reg_list(struct rtos
*rtos
, int64_t thread_id
, char ** hex_reg_list
);
35 static int eCos_get_symbol_list_to_lookup(symbol_table_elem_t
* symbol_list
[]);
37 struct eCos_thread_state
44 struct eCos_thread_state eCos_thread_states
[] =
54 #define ECOS_NUM_STATES (sizeof(eCos_thread_states)/sizeof(struct eCos_thread_state))
59 unsigned char pointer_width
;
60 unsigned char thread_stack_offset
;
61 unsigned char thread_name_offset
;
62 unsigned char thread_state_offset
;
63 unsigned char thread_next_offset
;
64 unsigned char thread_uniqueid_offset
;
65 const struct rtos_register_stacking
* stacking_info
;
68 const struct eCos_params eCos_params_list
[] =
70 { "cortex_m3", // target_name
72 0x0c, // thread_stack_offset;
73 0x9c, // thread_name_offset;
74 0x3c, // thread_state_offset;
75 0xa0, // thread_next_offset
76 0x4c, // thread_uniqueid_offset
77 &rtos_eCos_Cortex_M3_stacking
// stacking_info
82 #define ECOS_NUM_PARAMS ((int)(sizeof(eCos_params_list)/sizeof(struct eCos_params)))
84 enum eCos_symbol_values
86 eCos_VAL_thread_list
= 0,
87 eCos_VAL_current_thread_ptr
= 1
90 static char* eCos_symbol_list
[] =
92 "Cyg_Thread::thread_list",
93 "Cyg_Scheduler_Base::current_thread",
99 #define ECOS_NUM_SYMBOLS (sizeof(eCos_symbol_list)/sizeof(char*))
102 const struct rtos_type eCos_rtos
=
106 .detect_rtos
= eCos_detect_rtos
,
107 .create
= eCos_create
,
108 .update_threads
= eCos_update_threads
,
109 .get_thread_reg_list
= eCos_get_thread_reg_list
,
110 .get_symbol_list_to_lookup
= eCos_get_symbol_list_to_lookup
,
114 static int eCos_update_threads( struct rtos
* rtos
)
118 int thread_list_size
= 0;
119 const struct eCos_params
* param
;
126 if (rtos
->rtos_specific_params
== NULL
)
131 param
= (const struct eCos_params
*) rtos
->rtos_specific_params
;
133 if ( rtos
->symbols
== NULL
)
135 LOG_OUTPUT("No symbols for eCos\r\n");
139 if ( rtos
->symbols
[eCos_VAL_thread_list
].address
== 0 )
141 LOG_OUTPUT("Don't have the thread list head\r\n");
146 // wipe out previous thread details if any
147 if ( rtos
->thread_details
!= NULL
)
150 for( j
= 0; j
< rtos
->thread_count
; j
++ )
152 if ( rtos
->thread_details
[j
].display_str
!= NULL
)
154 free( rtos
->thread_details
[j
].display_str
);
155 rtos
->thread_details
[j
].display_str
= NULL
;
157 if ( rtos
->thread_details
[j
].thread_name_str
!= NULL
)
159 free( rtos
->thread_details
[j
].thread_name_str
);
160 rtos
->thread_details
[j
].thread_name_str
= NULL
;
162 if ( rtos
->thread_details
[j
].extra_info_str
!= NULL
)
164 free( rtos
->thread_details
[j
].extra_info_str
);
165 rtos
->thread_details
[j
].extra_info_str
= NULL
;
168 free( rtos
->thread_details
);
169 rtos
->thread_details
= NULL
;
173 // determine the number of current threads
174 uint32_t thread_list_head
= rtos
->symbols
[eCos_VAL_thread_list
].address
;
175 uint32_t thread_index
;
176 target_read_buffer( rtos
->target
, thread_list_head
, param
->pointer_width
, (uint8_t *) &thread_index
);
177 uint32_t first_thread
= thread_index
;
181 retval
= target_read_buffer( rtos
->target
, thread_index
+ param
->thread_next_offset
, param
->pointer_width
, (uint8_t *) &thread_index
);
182 } while( thread_index
!=first_thread
);
184 // read the current thread id
185 uint32_t current_thread_addr
;
186 retval
= target_read_buffer( rtos
->target
, rtos
->symbols
[eCos_VAL_current_thread_ptr
].address
, 4, (uint8_t *)¤t_thread_addr
);
187 rtos
->current_thread
= 0;
188 retval
= target_read_buffer( rtos
->target
, current_thread_addr
+ param
->thread_uniqueid_offset
, 2, (uint8_t *)&rtos
->current_thread
);
189 if ( retval
!= ERROR_OK
)
191 LOG_OUTPUT("Could not read eCos current thread from target\r\n");
195 if ( ( thread_list_size
== 0 ) || ( rtos
->current_thread
== 0 ) )
197 // Either : No RTOS threads - there is always at least the current execution though
198 // OR : No current thread - all threads suspended - show the current execution of idling
199 char tmp_str
[] = "Current Execution";
202 rtos
->thread_details
= (struct thread_detail
*) malloc( sizeof( struct thread_detail
) * thread_list_size
);
203 rtos
->thread_details
->threadid
= 1;
204 rtos
->thread_details
->exists
= true;
205 rtos
->thread_details
->display_str
= NULL
;
206 rtos
->thread_details
->extra_info_str
= NULL
;
207 rtos
->thread_details
->thread_name_str
= (char*) malloc( sizeof(tmp_str
) );
208 strcpy( rtos
->thread_details
->thread_name_str
, tmp_str
);
211 if ( thread_list_size
== 0 )
213 rtos
->thread_count
= 1;
219 // create space for new thread details
220 rtos
->thread_details
= (struct thread_detail
*) malloc( sizeof( struct thread_detail
) * thread_list_size
);
223 // loop over all threads
224 thread_index
= first_thread
;
228 #define ECOS_THREAD_NAME_STR_SIZE (200)
229 char tmp_str
[ECOS_THREAD_NAME_STR_SIZE
];
231 uint32_t name_ptr
= 0;
232 uint32_t prev_thread_ptr
;
234 // Save the thread pointer
236 retval
= target_read_buffer( rtos
->target
, thread_index
+ param
->thread_uniqueid_offset
, 2, (uint8_t *)&thread_id
);
237 if ( retval
!= ERROR_OK
)
239 LOG_OUTPUT("Could not read eCos thread id from target\r\n");
242 rtos
->thread_details
[tasks_found
].threadid
= thread_id
;
244 // read the name pointer
245 retval
= target_read_buffer( rtos
->target
, thread_index
+ param
->thread_name_offset
, param
->pointer_width
, (uint8_t *)&name_ptr
);
246 if ( retval
!= ERROR_OK
)
248 LOG_OUTPUT("Could not read eCos thread name pointer from target\r\n");
252 // Read the thread name
253 retval
= target_read_buffer( rtos
->target
, name_ptr
, ECOS_THREAD_NAME_STR_SIZE
, (uint8_t *)&tmp_str
);
254 if ( retval
!= ERROR_OK
)
256 LOG_OUTPUT("Error reading thread name from eCos target\r\n");
259 tmp_str
[ECOS_THREAD_NAME_STR_SIZE
-1] = '\x00';
261 if ( tmp_str
[0] == '\x00' )
263 strcpy(tmp_str
,"No Name");
266 rtos
->thread_details
[tasks_found
].thread_name_str
= (char*)malloc( strlen(tmp_str
)+1 );
267 strcpy( rtos
->thread_details
[tasks_found
].thread_name_str
, tmp_str
);
269 // Read the thread status
270 int64_t thread_status
= 0;
271 retval
= target_read_buffer( rtos
->target
, thread_index
+ param
->thread_state_offset
, 4, (uint8_t *)&thread_status
);
272 if ( retval
!= ERROR_OK
)
274 LOG_OUTPUT("Error reading thread state from eCos target\r\n");
278 for( i
= 0; (i
< ECOS_NUM_STATES
) && (eCos_thread_states
[i
].value
!=thread_status
); i
++ )
283 if (i
< ECOS_NUM_STATES
)
285 state_desc
= eCos_thread_states
[i
].desc
;
289 state_desc
= "Unknown state";
292 rtos
->thread_details
[tasks_found
].extra_info_str
= (char*)malloc( strlen(state_desc
)+1 );
293 strcpy( rtos
->thread_details
[tasks_found
].extra_info_str
, state_desc
);
295 rtos
->thread_details
[tasks_found
].exists
= true;
297 rtos
->thread_details
[tasks_found
].display_str
= NULL
;
301 prev_thread_ptr
= thread_index
;
303 // Get the location of the next thread structure.
304 thread_index
= rtos
->symbols
[eCos_VAL_thread_list
].address
;
305 retval
= target_read_buffer( rtos
->target
, prev_thread_ptr
+ param
->thread_next_offset
, param
->pointer_width
, (uint8_t *) &thread_index
);
306 if ( retval
!= ERROR_OK
)
308 LOG_OUTPUT("Error reading next thread pointer in eCos thread list\r\n");
312 while( thread_index
!=first_thread
);
314 rtos
->thread_count
= tasks_found
;
318 static int eCos_get_thread_reg_list(struct rtos
*rtos
, int64_t thread_id
, char ** hex_reg_list
)
322 const struct eCos_params
* param
;
324 *hex_reg_list
= NULL
;
331 if ( thread_id
== 0 )
336 if (rtos
->rtos_specific_params
== NULL
)
341 param
= (const struct eCos_params
*) rtos
->rtos_specific_params
;
344 // Find the thread with that thread id
346 uint32_t thread_list_head
= rtos
->symbols
[eCos_VAL_thread_list
].address
;
347 uint32_t thread_index
;
348 target_read_buffer( rtos
->target
, thread_list_head
, param
->pointer_width
, (uint8_t *) &thread_index
);
352 retval
= target_read_buffer( rtos
->target
, thread_index
+ param
->thread_uniqueid_offset
, 2, (uint8_t*)&id
);
353 if ( retval
!= ERROR_OK
)
355 LOG_OUTPUT("Error reading unique id from eCos thread\r\n");
364 target_read_buffer( rtos
->target
, thread_index
+ param
->thread_next_offset
, param
->pointer_width
, (uint8_t *) &thread_index
);
369 // Read the stack pointer
370 int64_t stack_ptr
= 0;
371 retval
= target_read_buffer( rtos
->target
, thread_index
+ param
->thread_stack_offset
, param
->pointer_width
, (uint8_t*)&stack_ptr
);
372 if ( retval
!= ERROR_OK
)
374 LOG_OUTPUT("Error reading stack frame from eCos thread\r\n");
378 return rtos_generic_stack_read( rtos
->target
, param
->stacking_info
, stack_ptr
, hex_reg_list
);
386 static int eCos_get_symbol_list_to_lookup(symbol_table_elem_t
* symbol_list
[])
389 *symbol_list
= (symbol_table_elem_t
*) malloc( sizeof( symbol_table_elem_t
) * ECOS_NUM_SYMBOLS
);
391 for( i
= 0; i
< ECOS_NUM_SYMBOLS
; i
++ )
393 (*symbol_list
)[i
].symbol_name
= eCos_symbol_list
[i
];
399 static int eCos_detect_rtos( struct target
* target
)
401 if ( ( target
->rtos
->symbols
!= NULL
) &&
402 ( target
->rtos
->symbols
[eCos_VAL_thread_list
].address
!= 0 ) )
410 static int eCos_create( struct target
* target
)
413 while ( ( i
< ECOS_NUM_PARAMS
) && ( 0 != strcmp( eCos_params_list
[i
].target_name
, target
->type
->name
) ) )
417 if ( i
>= ECOS_NUM_PARAMS
)
419 LOG_OUTPUT("Could not find target in eCos compatability list\r\n");
423 target
->rtos
->rtos_specific_params
= (void*) &eCos_params_list
[i
];
424 target
->rtos
->current_thread
= 0;
425 target
->rtos
->thread_details
= NULL
;
Linking to existing account procedure
If you already have an account and want to add another login method
you
MUST first sign in with your existing account and
then change URL to read
https://review.openocd.org/login/?link
to get to this page again but this time it'll work for linking. Thank you.
SSH host keys fingerprints
1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=.. |
|+o.. . |
|*.o . . |
|+B . . . |
|Bo. = o S |
|Oo.+ + = |
|oB=.* = . o |
| =+=.+ + E |
|. .=o . o |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)