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);
58 /* default CSW value */
59 dap
->ap
[i
].csw_default
= CSW_DEFAULT
;
61 INIT_LIST_HEAD(&dap
->cmd_journal
);
64 const char *adiv5_dap_name(struct adiv5_dap
*self
)
66 struct arm_dap_object
*obj
= container_of(self
, struct arm_dap_object
, dap
);
70 const struct swd_driver
*adiv5_dap_swd_driver(struct adiv5_dap
*self
)
72 struct arm_dap_object
*obj
= container_of(self
, struct arm_dap_object
, dap
);
76 struct adiv5_dap
*adiv5_get_dap(struct arm_dap_object
*obj
)
80 struct adiv5_dap
*dap_instance_by_jim_obj(Jim_Interp
*interp
, Jim_Obj
*o
)
82 struct arm_dap_object
*obj
= NULL
;
86 name
= Jim_GetString(o
, NULL
);
88 list_for_each_entry(obj
, &all_dap
, lh
) {
89 if (!strcmp(name
, obj
->name
)) {
100 static int dap_init_all(void)
102 struct arm_dap_object
*obj
;
105 LOG_DEBUG("Initializing all DAPs ...");
107 list_for_each_entry(obj
, &all_dap
, lh
) {
108 struct adiv5_dap
*dap
= &obj
->dap
;
110 /* with hla, dap is just a dummy */
111 if (transport_is_hla())
114 /* skip taps that are disabled */
115 if (!dap
->tap
->enabled
)
118 if (transport_is_swd()) {
119 dap
->ops
= &swd_dap_ops
;
120 obj
->swd
= jtag_interface
->swd
;
122 dap
->ops
= &jtag_dp_ops
;
124 retval
= dap
->ops
->connect(dap
);
125 if (retval
!= ERROR_OK
)
132 int dap_cleanup_all(void)
134 struct arm_dap_object
*obj
, *tmp
;
136 list_for_each_entry_safe(obj
, tmp
, &all_dap
, lh
) {
146 CFG_IGNORE_SYSPWRUPACK
,
149 static const Jim_Nvp nvp_config_opts
[] = {
150 { .name
= "-chain-position", .value
= CFG_CHAIN_POSITION
},
151 { .name
= "-ignore-syspwrupack", .value
= CFG_IGNORE_SYSPWRUPACK
},
152 { .name
= NULL
, .value
= -1 }
155 static int dap_configure(Jim_GetOptInfo
*goi
, struct arm_dap_object
*dap
)
157 struct jtag_tap
*tap
= NULL
;
161 /* parse config or cget options ... */
162 while (goi
->argc
> 0) {
163 Jim_SetEmptyResult(goi
->interp
);
165 e
= Jim_GetOpt_Nvp(goi
, nvp_config_opts
, &n
);
167 Jim_GetOpt_NvpUnknown(goi
, nvp_config_opts
, 0);
171 case CFG_CHAIN_POSITION
: {
173 e
= Jim_GetOpt_Obj(goi
, &o_t
);
176 tap
= jtag_tap_by_jim_obj(goi
->interp
, o_t
);
178 Jim_SetResultString(goi
->interp
, "-chain-position is invalid", -1);
184 case CFG_IGNORE_SYSPWRUPACK
:
185 dap
->dap
.ignore_syspwrupack
= true;
193 Jim_SetResultString(goi
->interp
, "-chain-position required when creating DAP", -1);
197 dap_instance_init(&dap
->dap
);
203 static int dap_create(Jim_GetOptInfo
*goi
)
205 struct command_context
*cmd_ctx
;
206 static struct arm_dap_object
*dap
;
212 cmd_ctx
= current_command_context(goi
->interp
);
213 assert(cmd_ctx
!= NULL
);
216 Jim_WrongNumArgs(goi
->interp
, 1, goi
->argv
, "?name? ..options...");
220 Jim_GetOpt_Obj(goi
, &new_cmd
);
221 /* does this command exist? */
222 cmd
= Jim_GetCommand(goi
->interp
, new_cmd
, JIM_ERRMSG
);
224 cp
= Jim_GetString(new_cmd
, NULL
);
225 Jim_SetResultFormatted(goi
->interp
, "Command: %s Exists", cp
);
230 dap
= calloc(1, sizeof(struct arm_dap_object
));
234 e
= dap_configure(goi
, dap
);
240 cp
= Jim_GetString(new_cmd
, NULL
);
241 dap
->name
= strdup(cp
);
243 struct command_registration dap_commands
[] = {
247 .help
= "dap instance command group",
249 .chain
= dap_instance_commands
,
251 COMMAND_REGISTRATION_DONE
254 /* don't expose the instance commands when using hla */
255 if (transport_is_hla())
256 dap_commands
[0].chain
= NULL
;
258 e
= register_commands(cmd_ctx
, NULL
, dap_commands
);
262 struct command
*c
= command_find_in_context(cmd_ctx
, cp
);
264 command_set_handler_data(c
, dap
);
266 list_add_tail(&dap
->lh
, &all_dap
);
268 return (ERROR_OK
== e
) ? JIM_OK
: JIM_ERR
;
271 static int jim_dap_create(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
274 Jim_GetOpt_Setup(&goi
, interp
, argc
- 1, argv
+ 1);
276 Jim_WrongNumArgs(goi
.interp
, goi
.argc
, goi
.argv
,
277 "<name> [<dap_options> ...]");
280 return dap_create(&goi
);
283 static int jim_dap_names(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
285 struct arm_dap_object
*obj
;
288 Jim_WrongNumArgs(interp
, 1, argv
, "Too many parameters");
291 Jim_SetResult(interp
, Jim_NewListObj(interp
, NULL
, 0));
292 list_for_each_entry(obj
, &all_dap
, lh
) {
293 Jim_ListAppendElement(interp
, Jim_GetResult(interp
),
294 Jim_NewStringObj(interp
, obj
->name
, -1));
299 COMMAND_HANDLER(handle_dap_init
)
301 return dap_init_all();
304 COMMAND_HANDLER(handle_dap_info_command
)
306 struct target
*target
= get_current_target(CMD_CTX
);
307 struct arm
*arm
= target_to_arm(target
);
308 struct adiv5_dap
*dap
= arm
->dap
;
316 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[0], apsel
);
318 return ERROR_COMMAND_SYNTAX_ERROR
;
321 return ERROR_COMMAND_SYNTAX_ERROR
;
324 return dap_info_command(CMD_CTX
, &dap
->ap
[apsel
]);
327 static const struct command_registration dap_subcommand_handlers
[] = {
331 .jim_handler
= jim_dap_create
,
332 .usage
= "name '-chain-position' name",
333 .help
= "Creates a new DAP instance",
338 .jim_handler
= jim_dap_names
,
340 .help
= "Lists all registered DAP instances by name",
345 .handler
= handle_dap_init
,
347 .help
= "Initialize all registered DAP instances"
351 .handler
= handle_dap_info_command
,
352 .mode
= COMMAND_EXEC
,
353 .help
= "display ROM table for MEM-AP of current target "
354 "(default currently selected AP)",
357 COMMAND_REGISTRATION_DONE
360 static const struct command_registration dap_commands
[] = {
363 .mode
= COMMAND_CONFIG
,
364 .help
= "DAP commands",
365 .chain
= dap_subcommand_handlers
,
367 COMMAND_REGISTRATION_DONE
370 int dap_register_commands(struct command_context
*cmd_ctx
)
372 return register_commands(cmd_ctx
, NULL
, dap_commands
);
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