1 /***************************************************************************
2 * Copyright (C) 2016 by Matthias Welwarsky *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
18 ***************************************************************************/
26 #include "target/arm_adi_v5.h"
27 #include "target/arm.h"
28 #include "helper/list.h"
29 #include "helper/command.h"
30 #include "transport/transport.h"
31 #include "jtag/interface.h"
33 static LIST_HEAD(all_dap
);
35 extern const struct dap_ops swd_dap_ops
;
36 extern const struct dap_ops jtag_dp_ops
;
37 extern struct jtag_interface
*jtag_interface
;
39 /* DAP command support */
40 struct arm_dap_object
{
44 const struct swd_driver
*swd
;
47 static void dap_instance_init(struct adiv5_dap
*dap
)
50 /* Set up with safe defaults */
51 for (i
= 0; i
<= 255; i
++) {
53 dap
->ap
[i
].ap_num
= i
;
54 /* memaccess_tck max is 255 */
55 dap
->ap
[i
].memaccess_tck
= 255;
56 /* Number of bits for tar autoincrement, impl. dep. at least 10 */
57 dap
->ap
[i
].tar_autoincr_block
= (1<<10);
59 INIT_LIST_HEAD(&dap
->cmd_journal
);
62 const char *adiv5_dap_name(struct adiv5_dap
*self
)
64 struct arm_dap_object
*obj
= container_of(self
, struct arm_dap_object
, dap
);
68 const struct swd_driver
*adiv5_dap_swd_driver(struct adiv5_dap
*self
)
70 struct arm_dap_object
*obj
= container_of(self
, struct arm_dap_object
, dap
);
74 struct adiv5_dap
*adiv5_get_dap(struct arm_dap_object
*obj
)
78 struct adiv5_dap
*dap_instance_by_jim_obj(Jim_Interp
*interp
, Jim_Obj
*o
)
80 struct arm_dap_object
*obj
= NULL
;
84 name
= Jim_GetString(o
, NULL
);
86 list_for_each_entry(obj
, &all_dap
, lh
) {
87 if (!strcmp(name
, obj
->name
)) {
98 static int dap_init_all(void)
100 struct arm_dap_object
*obj
;
103 LOG_DEBUG("Initializing all DAPs ...");
105 list_for_each_entry(obj
, &all_dap
, lh
) {
106 struct adiv5_dap
*dap
= &obj
->dap
;
108 /* with hla, dap is just a dummy */
109 if (transport_is_hla())
112 /* skip taps that are disabled */
113 if (!dap
->tap
->enabled
)
116 if (transport_is_swd()) {
117 dap
->ops
= &swd_dap_ops
;
118 obj
->swd
= jtag_interface
->swd
;
120 dap
->ops
= &jtag_dp_ops
;
122 retval
= dap
->ops
->connect(dap
);
123 if (retval
!= ERROR_OK
)
130 int dap_cleanup_all(void)
132 struct arm_dap_object
*obj
, *tmp
;
134 list_for_each_entry_safe(obj
, tmp
, &all_dap
, lh
) {
144 CFG_IGNORE_SYSPWRUPACK
,
147 static const Jim_Nvp nvp_config_opts
[] = {
148 { .name
= "-chain-position", .value
= CFG_CHAIN_POSITION
},
149 { .name
= "-ignore-syspwrupack", .value
= CFG_IGNORE_SYSPWRUPACK
},
150 { .name
= NULL
, .value
= -1 }
153 static int dap_configure(Jim_GetOptInfo
*goi
, struct arm_dap_object
*dap
)
155 struct jtag_tap
*tap
= NULL
;
159 /* parse config or cget options ... */
160 while (goi
->argc
> 0) {
161 Jim_SetEmptyResult(goi
->interp
);
163 e
= Jim_GetOpt_Nvp(goi
, nvp_config_opts
, &n
);
165 Jim_GetOpt_NvpUnknown(goi
, nvp_config_opts
, 0);
169 case CFG_CHAIN_POSITION
: {
171 e
= Jim_GetOpt_Obj(goi
, &o_t
);
174 tap
= jtag_tap_by_jim_obj(goi
->interp
, o_t
);
176 Jim_SetResultString(goi
->interp
, "-chain-position is invalid", -1);
182 case CFG_IGNORE_SYSPWRUPACK
:
183 dap
->dap
.ignore_syspwrupack
= true;
191 Jim_SetResultString(goi
->interp
, "-chain-position required when creating DAP", -1);
195 dap_instance_init(&dap
->dap
);
201 static int dap_create(Jim_GetOptInfo
*goi
)
203 struct command_context
*cmd_ctx
;
204 static struct arm_dap_object
*dap
;
210 cmd_ctx
= current_command_context(goi
->interp
);
211 assert(cmd_ctx
!= NULL
);
214 Jim_WrongNumArgs(goi
->interp
, 1, goi
->argv
, "?name? ..options...");
218 Jim_GetOpt_Obj(goi
, &new_cmd
);
219 /* does this command exist? */
220 cmd
= Jim_GetCommand(goi
->interp
, new_cmd
, JIM_ERRMSG
);
222 cp
= Jim_GetString(new_cmd
, NULL
);
223 Jim_SetResultFormatted(goi
->interp
, "Command: %s Exists", cp
);
228 dap
= calloc(1, sizeof(struct arm_dap_object
));
232 e
= dap_configure(goi
, dap
);
238 cp
= Jim_GetString(new_cmd
, NULL
);
239 dap
->name
= strdup(cp
);
241 struct command_registration dap_commands
[] = {
245 .help
= "dap instance command group",
247 .chain
= dap_instance_commands
,
249 COMMAND_REGISTRATION_DONE
252 /* don't expose the instance commands when using hla */
253 if (transport_is_hla())
254 dap_commands
[0].chain
= NULL
;
256 e
= register_commands(cmd_ctx
, NULL
, dap_commands
);
260 struct command
*c
= command_find_in_context(cmd_ctx
, cp
);
262 command_set_handler_data(c
, dap
);
264 list_add_tail(&dap
->lh
, &all_dap
);
266 return (ERROR_OK
== e
) ? JIM_OK
: JIM_ERR
;
269 static int jim_dap_create(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
272 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
274 Jim_WrongNumArgs(goi
.interp
, goi
.argc
, goi
.argv
,
275 "<name> [<dap_options> ...]");
278 return dap_create(&goi
);
281 static int jim_dap_names(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
283 struct arm_dap_object
*obj
;
286 Jim_WrongNumArgs(interp
, 1, argv
, "Too many parameters");
289 Jim_SetResult(interp
, Jim_NewListObj(interp
, NULL
, 0));
290 list_for_each_entry(obj
, &all_dap
, lh
) {
291 Jim_ListAppendElement(interp
, Jim_GetResult(interp
),
292 Jim_NewStringObj(interp
, obj
->name
, -1));
297 COMMAND_HANDLER(handle_dap_init
)
299 return dap_init_all();
302 COMMAND_HANDLER(handle_dap_info_command
)
304 struct target
*target
= get_current_target(CMD_CTX
);
305 struct arm
*arm
= target_to_arm(target
);
306 struct adiv5_dap
*dap
= arm
->dap
;
314 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], apsel
);
316 return ERROR_COMMAND_SYNTAX_ERROR
;
319 return ERROR_COMMAND_SYNTAX_ERROR
;
322 return dap_info_command(CMD_CTX
, &dap
->ap
[apsel
]);
325 static const struct command_registration dap_subcommand_handlers
[] = {
329 .jim_handler
= jim_dap_create
,
330 .usage
= "name '-chain-position' name",
331 .help
= "Creates a new DAP instance",
336 .jim_handler
= jim_dap_names
,
338 .help
= "Lists all registered DAP instances by name",
343 .handler
= handle_dap_init
,
345 .help
= "Initialize all registered DAP instances"
349 .handler
= handle_dap_info_command
,
350 .mode
= COMMAND_EXEC
,
351 .help
= "display ROM table for MEM-AP of current target "
352 "(default currently selected AP)",
355 COMMAND_REGISTRATION_DONE
358 static const struct command_registration dap_commands
[] = {
361 .mode
= COMMAND_CONFIG
,
362 .help
= "DAP commands",
363 .chain
= dap_subcommand_handlers
,
365 COMMAND_REGISTRATION_DONE
368 int dap_register_commands(struct command_context
*cmd_ctx
)
370 return register_commands(cmd_ctx
, NULL
, dap_commands
);
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