extern struct jtag_interface *jtag_interface;
+static bool scan_is_safe(tap_state_t state)
+{
+ switch (state)
+ {
+ case TAP_RESET:
+ case TAP_IDLE:
+ case TAP_DRPAUSE:
+ case TAP_IRPAUSE:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
+{
+ int retval;
+ struct scan_field *fields;
+ int num_fields;
+ int field_count = 0;
+ int i, e;
+ struct jtag_tap *tap;
+ tap_state_t endstate;
+
+ /* args[1] = device
+ * args[2] = num_bits
+ * args[3] = hex string
+ * ... repeat num bits and hex string ...
+ *
+ * .. optionally:
+ * args[N-2] = "-endstate"
+ * args[N-1] = statename
+ */
+ if ((argc < 4) || ((argc % 2) != 0))
+ {
+ Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
+ return JIM_ERR;
+ }
+
+ endstate = TAP_IDLE;
+
+ script_debug(interp, "drscan", argc, args);
+
+ /* validate arguments as numbers */
+ e = JIM_OK;
+ for (i = 2; i < argc; i += 2)
+ {
+ long bits;
+ const char *cp;
+
+ e = Jim_GetLong(interp, args[i], &bits);
+ /* If valid - try next arg */
+ if (e == JIM_OK) {
+ continue;
+ }
+
+ /* Not valid.. are we at the end? */
+ if (((i + 2) != argc)) {
+ /* nope, then error */
+ return e;
+ }
+
+ /* it could be: "-endstate FOO"
+ * e.g. DRPAUSE so we can issue more instructions
+ * before entering RUN/IDLE and executing them.
+ */
+
+ /* get arg as a string. */
+ cp = Jim_GetString(args[i], NULL);
+ /* is it the magic? */
+ if (0 == strcmp("-endstate", cp)) {
+ /* is the statename valid? */
+ cp = Jim_GetString(args[i + 1], NULL);
+
+ /* see if it is a valid state name */
+ endstate = tap_state_by_name(cp);
+ if (endstate < 0) {
+ /* update the error message */
+ Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
+ } else {
+ if (!scan_is_safe(endstate))
+ LOG_WARNING("drscan with unsafe "
+ "endstate \"%s\"", cp);
+
+ /* valid - so clear the error */
+ e = JIM_OK;
+ /* and remove the last 2 args */
+ argc -= 2;
+ }
+ }
+
+ /* Still an error? */
+ if (e != JIM_OK) {
+ return e; /* too bad */
+ }
+ } /* validate args */
+
+ tap = jtag_tap_by_jim_obj(interp, args[1]);
+ if (tap == NULL) {
+ return JIM_ERR;
+ }
+
+ num_fields = (argc-2)/2;
+ fields = malloc(sizeof(struct scan_field) * num_fields);
+ for (i = 2; i < argc; i += 2)
+ {
+ long bits;
+ int len;
+ const char *str;
+
+ Jim_GetLong(interp, args[i], &bits);
+ str = Jim_GetString(args[i + 1], &len);
+
+ fields[field_count].tap = tap;
+ fields[field_count].num_bits = bits;
+ fields[field_count].out_value = malloc(DIV_ROUND_UP(bits, 8));
+ str_to_buf(str, len, fields[field_count].out_value, bits, 0);
+ fields[field_count].in_value = fields[field_count].out_value;
+ field_count++;
+ }
+
+ jtag_add_dr_scan(num_fields, fields, endstate);
+
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
+ {
+ Jim_SetResultString(interp, "drscan: jtag execute failed",-1);
+ return JIM_ERR;
+ }
+
+ field_count = 0;
+ Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
+ for (i = 2; i < argc; i += 2)
+ {
+ long bits;
+ char *str;
+
+ Jim_GetLong(interp, args[i], &bits);
+ str = buf_to_str(fields[field_count].in_value, bits, 16);
+ free(fields[field_count].out_value);
+
+ Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
+ free(str);
+ field_count++;
+ }
+
+ Jim_SetResult(interp, list);
+
+ free(fields);
+
+ return JIM_OK;
+}
+
+
+static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *args)
+{
+ tap_state_t states[8];
+
+ if ((argc < 2) || ((size_t)argc > (ARRAY_SIZE(states) + 1)))
+ {
+ Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
+ return JIM_ERR;
+ }
+
+ script_debug(interp, "pathmove", argc, args);
+
+ int i;
+ for (i = 0; i < argc-1; i++)
+ {
+ const char *cp;
+ cp = Jim_GetString(args[i + 1], NULL);
+ states[i] = tap_state_by_name(cp);
+ if (states[i] < 0)
+ {
+ /* update the error message */
+ Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
+ return JIM_ERR;
+ }
+ }
+
+ if ((jtag_add_statemove(states[0]) != ERROR_OK) || (jtag_execute_queue()!= ERROR_OK))
+ {
+ Jim_SetResultString(interp, "pathmove: jtag execute failed",-1);
+ return JIM_ERR;
+ }
+
+ jtag_add_pathmove(argc-2, states + 1);
+
+ if (jtag_execute_queue()!= ERROR_OK)
+ {
+ Jim_SetResultString(interp, "pathmove: failed",-1);
+ return JIM_ERR;
+ }
+
+ return JIM_OK;
+}
+
+
+static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args)
+{
+ script_debug(interp, "flush_count", argc, args);
+
+ Jim_SetResult(interp, Jim_NewIntObj(interp, jtag_get_flush_queue_count()));
+
+ return JIM_OK;
+}
+
+static const struct command_registration jtag_command_handlers_to_move[] = {
+ {
+ .name = "drscan",
+ .mode = COMMAND_EXEC,
+ .jim_handler = &Jim_Command_drscan,
+ .help = "execute DR scan <device> "
+ "<num_bits> <value> <num_bits1> <value2> ...",
+ },
+ {
+ .name = "flush_count",
+ .mode = COMMAND_EXEC,
+ .jim_handler = &Jim_Command_flush_count,
+ .help = "returns number of times the JTAG queue has been flushed",
+ },
+ {
+ .name = "pathmove",
+ .mode = COMMAND_EXEC,
+ .jim_handler = &Jim_Command_pathmove,
+ .usage = "<state1>,<state2>,<state3>... ",
+ .help = "move JTAG to state1 then to state2, state3, etc.",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+
enum jtag_tap_cfg_param {
JCFG_EVENT
};
{ .name = NULL, .value = -1 }
};
-static int jtag_tap_configure_cmd(Jim_GetOptInfo *goi, struct jtag_tap * tap)
+static int jtag_tap_configure_event(Jim_GetOptInfo *goi, struct jtag_tap * tap)
{
+ if (goi->argc == 0)
+ {
+ Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event <event-name> ...");
+ return JIM_ERR;
+ }
+
Jim_Nvp *n;
- Jim_Obj *o;
- int e;
+ int e = Jim_GetOpt_Nvp(goi, nvp_jtag_tap_event, &n);
+ if (e != JIM_OK)
+ {
+ Jim_GetOpt_NvpUnknown(goi, nvp_jtag_tap_event, 1);
+ return e;
+ }
+
+ if (goi->isconfigure) {
+ if (goi->argc != 1) {
+ Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event <event-name> <event-body>");
+ return JIM_ERR;
+ }
+ } else {
+ if (goi->argc != 0) {
+ Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event <event-name>");
+ return JIM_ERR;
+ }
+ }
+
+ struct jtag_tap_event_action *jteap = tap->event_action;
+ /* replace existing event body */
+ bool found = false;
+ while (jteap)
+ {
+ if (jteap->event == (enum jtag_event)n->value)
+ {
+ found = true;
+ break;
+ }
+ jteap = jteap->next;
+ }
+
+ Jim_SetEmptyResult(goi->interp);
+ if (goi->isconfigure)
+ {
+ if (!found)
+ jteap = calloc(1, sizeof(*jteap));
+ else if (NULL != jteap->body)
+ Jim_DecrRefCount(interp, jteap->body);
+
+ jteap->event = n->value;
+
+ Jim_Obj *o;
+ Jim_GetOpt_Obj(goi, &o);
+ jteap->body = Jim_DuplicateObj(goi->interp, o);
+ Jim_IncrRefCount(jteap->body);
+
+ if (!found)
+ {
+ /* add to head of event list */
+ jteap->next = tap->event_action;
+ tap->event_action = jteap;
+ }
+ }
+ else if (found)
+ {
+ Jim_SetResult(goi->interp,
+ Jim_DuplicateObj(goi->interp, jteap->body));
+ }
+ return JIM_OK;
+}
+
+static int jtag_tap_configure_cmd(Jim_GetOptInfo *goi, struct jtag_tap * tap)
+{
/* parse config or cget options */
- while (goi->argc > 0) {
+ while (goi->argc > 0)
+ {
Jim_SetEmptyResult (goi->interp);
- e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
- if (e != JIM_OK) {
+ Jim_Nvp *n;
+ int e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
+ if (e != JIM_OK)
+ {
Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
return e;
}
- switch (n->value) {
- case JCFG_EVENT:
- if (goi->argc == 0) {
- Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
- return JIM_ERR;
- }
-
- e = Jim_GetOpt_Nvp(goi, nvp_jtag_tap_event, &n);
- if (e != JIM_OK) {
- Jim_GetOpt_NvpUnknown(goi, nvp_jtag_tap_event, 1);
- return e;
- }
-
- if (goi->isconfigure) {
- if (goi->argc != 1) {
- Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
- return JIM_ERR;
- }
- } else {
- if (goi->argc != 0) {
- Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
- return JIM_ERR;
- }
- }
-
- {
- struct jtag_tap_event_action *jteap;
-
- jteap = tap->event_action;
- /* replace existing? */
- while (jteap) {
- if (jteap->event == (enum jtag_event)n->value) {
- break;
- }
- jteap = jteap->next;
- }
-
- if (goi->isconfigure) {
- bool replace = true;
- if (jteap == NULL) {
- /* create new */
- jteap = calloc(1, sizeof (*jteap));
- replace = false;
- }
- jteap->event = n->value;
- Jim_GetOpt_Obj(goi, &o);
- if (jteap->body) {
- Jim_DecrRefCount(interp, jteap->body);
- }
- jteap->body = Jim_DuplicateObj(goi->interp, o);
- Jim_IncrRefCount(jteap->body);
-
- if (!replace)
- {
- /* add to head of event list */
- jteap->next = tap->event_action;
- tap->event_action = jteap;
- }
- Jim_SetEmptyResult(goi->interp);
- } else {
- /* get */
- if (jteap == NULL) {
- Jim_SetEmptyResult(goi->interp);
- } else {
- Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, jteap->body));
- }
- }
- }
- /* loop for more */
- break;
+ switch (n->value)
+ {
+ case JCFG_EVENT:
+ e = jtag_tap_configure_event(goi, tap);
+ if (e != JIM_OK)
+ return e;
+ break;
+ default:
+ Jim_SetResult_sprintf(goi->interp, "unknown event: %s", n->name);
+ return JIM_ERR;
}
- } /* while (goi->argc) */
+ }
return JIM_OK;
}
{
struct jtag_tap_event_action * jteap;
- for (jteap = tap->event_action; jteap != NULL; jteap = jteap->next) {
- if (jteap->event == e) {
- LOG_DEBUG("JTAG tap: %s event: %d (%s)\n\taction: %s",
- tap->dotted_name,
- e,
- Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e)->name,
- Jim_GetString(jteap->body, NULL));
- if (Jim_EvalObj(interp, jteap->body) != JIM_OK) {
- Jim_PrintErrorMessage(interp);
- } else switch (e) {
- case JTAG_TAP_EVENT_ENABLE:
- case JTAG_TAP_EVENT_DISABLE:
- /* NOTE: we currently assume the handlers
- * can't fail. Right here is where we should
- * really be verifying the scan chains ...
- */
- tap->enabled = (e == JTAG_TAP_EVENT_ENABLE);
- LOG_INFO("JTAG tap: %s %s", tap->dotted_name,
- tap->enabled ? "enabled" : "disabled");
- break;
- default:
- break;
- }
+ for (jteap = tap->event_action; jteap != NULL; jteap = jteap->next)
+ {
+ if (jteap->event != e)
+ continue;
+
+ Jim_Nvp *nvp = Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e);
+ LOG_DEBUG("JTAG tap: %s event: %d (%s)\n\taction: %s",
+ tap->dotted_name, e, nvp->name,
+ Jim_GetString(jteap->body, NULL));
+
+ if (Jim_EvalObj(interp, jteap->body) != JIM_OK)
+ {
+ Jim_PrintErrorMessage(interp);
+ continue;
+ }
+
+ switch (e)
+ {
+ case JTAG_TAP_EVENT_ENABLE:
+ case JTAG_TAP_EVENT_DISABLE:
+ /* NOTE: we currently assume the handlers
+ * can't fail. Right here is where we should
+ * really be verifying the scan chains ...
+ */
+ tap->enabled = (e == JTAG_TAP_EVENT_ENABLE);
+ LOG_INFO("JTAG tap: %s %s", tap->dotted_name,
+ tap->enabled ? "enabled" : "disabled");
+ break;
+ default:
+ break;
}
}
}
-
-static int jim_jtag_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+static int jim_jtag_interface(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
Jim_GetOptInfo goi;
- int e;
- Jim_Nvp *n;
- Jim_Obj *o;
- struct command_context *context;
-
- enum {
- JTAG_CMD_INTERFACE,
- JTAG_CMD_INIT,
- JTAG_CMD_INIT_RESET,
- JTAG_CMD_NEWTAP,
- JTAG_CMD_TAPENABLE,
- JTAG_CMD_TAPDISABLE,
- JTAG_CMD_TAPISENABLED,
- JTAG_CMD_CONFIGURE,
- JTAG_CMD_CGET,
- JTAG_CMD_NAMES,
- };
+ Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
- const Jim_Nvp jtag_cmds[] = {
- { .name = "interface" , .value = JTAG_CMD_INTERFACE },
- { .name = "arp_init" , .value = JTAG_CMD_INIT },
- { .name = "arp_init-reset", .value = JTAG_CMD_INIT_RESET },
- { .name = "newtap" , .value = JTAG_CMD_NEWTAP },
- { .name = "tapisenabled" , .value = JTAG_CMD_TAPISENABLED },
- { .name = "tapenable" , .value = JTAG_CMD_TAPENABLE },
- { .name = "tapdisable" , .value = JTAG_CMD_TAPDISABLE },
- { .name = "configure" , .value = JTAG_CMD_CONFIGURE },
- { .name = "cget" , .value = JTAG_CMD_CGET },
- { .name = "names" , .value = JTAG_CMD_NAMES },
-
- { .name = NULL, .value = -1 },
- };
+ /* return the name of the interface */
+ /* TCL code might need to know the exact type... */
+ /* FUTURE: we allow this as a means to "set" the interface. */
+ if (goi.argc != 0) {
+ Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
+ return JIM_ERR;
+ }
+ const char *name = jtag_interface ? jtag_interface->name : NULL;
+ Jim_SetResultString(goi.interp, name ? : "undefined", -1);
+ return JIM_OK;
+}
- context = Jim_GetAssocData(interp, "context");
- /* go past the command */
+static int jim_jtag_arp_init(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ Jim_GetOptInfo goi;
Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
-
- e = Jim_GetOpt_Nvp(&goi, jtag_cmds, &n);
- if (e != JIM_OK) {
- Jim_GetOpt_NvpUnknown(&goi, jtag_cmds, 0);
- return e;
+ if (goi.argc != 0) {
+ Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
+ return JIM_ERR;
}
- Jim_SetEmptyResult(goi.interp);
- switch (n->value) {
- case JTAG_CMD_INTERFACE:
- /* return the name of the interface */
- /* TCL code might need to know the exact type... */
- /* FUTURE: we allow this as a means to "set" the interface. */
- if (goi.argc != 0) {
- Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
- return JIM_ERR;
- }
- const char *name = jtag_interface ? jtag_interface->name : NULL;
- Jim_SetResultString(goi.interp, name ? : "undefined", -1);
- return JIM_OK;
- case JTAG_CMD_INIT:
- if (goi.argc != 0) {
- Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
- return JIM_ERR;
- }
- e = jtag_init_inner(context);
- if (e != ERROR_OK) {
- Jim_SetResult_sprintf(goi.interp, "error: %d", e);
- return JIM_ERR;
- }
- return JIM_OK;
- case JTAG_CMD_INIT_RESET:
- if (goi.argc != 0) {
- Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
- return JIM_ERR;
- }
- e = jtag_init_reset(context);
- if (e != ERROR_OK) {
- Jim_SetResult_sprintf(goi.interp, "error: %d", e);
- return JIM_ERR;
- }
- return JIM_OK;
- case JTAG_CMD_NEWTAP:
- return jim_newtap_cmd(&goi);
- break;
- case JTAG_CMD_TAPISENABLED:
- case JTAG_CMD_TAPENABLE:
- case JTAG_CMD_TAPDISABLE:
- if (goi.argc != 1) {
- Jim_SetResultString(goi.interp, "Too many parameters",-1);
- return JIM_ERR;
- }
+ struct command_context *context = Jim_GetAssocData(interp, "context");
+ int e = jtag_init_inner(context);
+ if (e != ERROR_OK) {
+ Jim_SetResult_sprintf(goi.interp, "error: %d", e);
+ return JIM_ERR;
+ }
+ return JIM_OK;
+}
- {
- struct jtag_tap *t;
+static int jim_jtag_arp_init_reset(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ Jim_GetOptInfo goi;
+ Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
+ if (goi.argc != 0) {
+ Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
+ return JIM_ERR;
+ }
+ struct command_context *context = Jim_GetAssocData(interp, "context");
+ int e = jtag_init_reset(context);
+ if (e != ERROR_OK) {
+ Jim_SetResult_sprintf(goi.interp, "error: %d", e);
+ return JIM_ERR;
+ }
+ return JIM_OK;
+}
- t = jtag_tap_by_jim_obj(goi.interp, goi.argv[0]);
- if (t == NULL)
- return JIM_ERR;
+static int jim_jtag_newtap(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ Jim_GetOptInfo goi;
+ Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
+ return jim_newtap_cmd(&goi);
+}
- switch (n->value) {
- case JTAG_CMD_TAPISENABLED:
- break;
- case JTAG_CMD_TAPENABLE:
- if (t->enabled)
- break;
- jtag_tap_handle_event(t, JTAG_TAP_EVENT_ENABLE);
- if (!t->enabled)
- break;
-
- /* FIXME add JTAG sanity checks, w/o TLR
- * - scan chain length grew by one (this)
- * - IDs and IR lengths are as expected
- */
-
- jtag_call_event_callbacks(JTAG_TAP_EVENT_ENABLE);
- break;
- case JTAG_CMD_TAPDISABLE:
- if (!t->enabled)
- break;
- jtag_tap_handle_event(t, JTAG_TAP_EVENT_DISABLE);
- if (t->enabled)
- break;
-
- /* FIXME add JTAG sanity checks, w/o TLR
- * - scan chain length shrank by one (this)
- * - IDs and IR lengths are as expected
- */
-
- jtag_call_event_callbacks(JTAG_TAP_EVENT_DISABLE);
- break;
- }
- e = t->enabled;
- Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, e));
- return JIM_OK;
- }
- break;
+static bool jtag_tap_enable(struct jtag_tap *t)
+{
+ if (t->enabled)
+ return false;
+ jtag_tap_handle_event(t, JTAG_TAP_EVENT_ENABLE);
+ if (!t->enabled)
+ return false;
- case JTAG_CMD_CGET:
- if (goi.argc < 2) {
- Jim_WrongNumArgs(goi.interp, 0, NULL,
- "cget tap_name queryparm");
- return JIM_ERR;
- }
+ /* FIXME add JTAG sanity checks, w/o TLR
+ * - scan chain length grew by one (this)
+ * - IDs and IR lengths are as expected
+ */
+ jtag_call_event_callbacks(JTAG_TAP_EVENT_ENABLE);
+ return true;
+}
+static bool jtag_tap_disable(struct jtag_tap *t)
+{
+ if (!t->enabled)
+ return false;
+ jtag_tap_handle_event(t, JTAG_TAP_EVENT_DISABLE);
+ if (t->enabled)
+ return false;
- {
- struct jtag_tap *t;
+ /* FIXME add JTAG sanity checks, w/o TLR
+ * - scan chain length shrank by one (this)
+ * - IDs and IR lengths are as expected
+ */
+ jtag_call_event_callbacks(JTAG_TAP_EVENT_DISABLE);
+ return true;
+}
- Jim_GetOpt_Obj(&goi, &o);
- t = jtag_tap_by_jim_obj(goi.interp, o);
- if (t == NULL) {
- return JIM_ERR;
- }
+static int jim_jtag_tap_enabler(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ const char *cmd_name = Jim_GetString(argv[0], NULL);
+ Jim_GetOptInfo goi;
+ Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
+ if (goi.argc != 1) {
+ Jim_SetResult_sprintf(goi.interp, "usage: %s <name>", cmd_name);
+ return JIM_ERR;
+ }
- goi.isconfigure = 0;
- return jtag_tap_configure_cmd(&goi, t);
- }
- break;
+ struct jtag_tap *t;
- case JTAG_CMD_CONFIGURE:
- if (goi.argc < 3) {
- Jim_WrongNumArgs(goi.interp, 0, NULL,
- "configure tap_name attribute value ...");
- return JIM_ERR;
- }
+ t = jtag_tap_by_jim_obj(goi.interp, goi.argv[0]);
+ if (t == NULL)
+ return JIM_ERR;
- {
- struct jtag_tap *t;
+ if (strcasecmp(cmd_name, "tapisenabled") == 0) {
+ // do nothing, just return the value
+ } else if (strcasecmp(cmd_name, "tapenable") == 0) {
+ if (!jtag_tap_enable(t))
+ LOG_WARNING("failed to disable tap");
+ } else if (strcasecmp(cmd_name, "tapdisable") == 0) {
+ if (!jtag_tap_disable(t))
+ LOG_WARNING("failed to disable tap");
+ } else {
+ LOG_ERROR("command '%s' unknown", cmd_name);
+ return JIM_ERR;
+ }
+ bool e = t->enabled;
+ Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, e));
+ return JIM_OK;
+}
- Jim_GetOpt_Obj(&goi, &o);
- t = jtag_tap_by_jim_obj(goi.interp, o);
- if (t == NULL) {
- return JIM_ERR;
- }
+static int jim_jtag_configure(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ const char *cmd_name = Jim_GetString(argv[0], NULL);
+ Jim_GetOptInfo goi;
+ Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
+ goi.isconfigure = !strcmp(cmd_name, "configure");
+ if (goi.argc < 2 + goi.isconfigure) {
+ Jim_WrongNumArgs(goi.interp, 0, NULL,
+ "<tap_name> <attribute> ...");
+ return JIM_ERR;
+ }
- goi.isconfigure = 1;
- return jtag_tap_configure_cmd(&goi, t);
- }
- break;
+ struct jtag_tap *t;
- case JTAG_CMD_NAMES:
- if (goi.argc != 0) {
- Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
- return JIM_ERR;
- }
- Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
- {
- struct jtag_tap *tap;
+ Jim_Obj *o;
+ Jim_GetOpt_Obj(&goi, &o);
+ t = jtag_tap_by_jim_obj(goi.interp, o);
+ if (t == NULL) {
+ return JIM_ERR;
+ }
- for (tap = jtag_all_taps(); tap; tap = tap->next_tap) {
- Jim_ListAppendElement(goi.interp,
- Jim_GetResult(goi.interp),
- Jim_NewStringObj(goi.interp,
- tap->dotted_name, -1));
- }
- return JIM_OK;
- }
- break;
+ return jtag_tap_configure_cmd(&goi, t);
+}
+static int jim_jtag_names(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ Jim_GetOptInfo goi;
+ Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
+ if (goi.argc != 0) {
+ Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
+ return JIM_ERR;
}
+ Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
+ struct jtag_tap *tap;
- return JIM_ERR;
+ for (tap = jtag_all_taps(); tap; tap = tap->next_tap) {
+ Jim_ListAppendElement(goi.interp,
+ Jim_GetResult(goi.interp),
+ Jim_NewStringObj(goi.interp,
+ tap->dotted_name, -1));
+ }
+ return JIM_OK;
}
+static const struct command_registration jtag_subcommand_handlers[] = {
+ {
+ .name = "interface",
+ .mode = COMMAND_ANY,
+ .jim_handler = &jim_jtag_interface,
+ .help = "Returns the selected interface",
+ },
+ {
+ .name = "arp_init",
+ .mode = COMMAND_ANY,
+ .jim_handler = &jim_jtag_arp_init,
+ },
+ {
+ .name = "arp_init-reset",
+ .mode = COMMAND_ANY,
+ .jim_handler = &jim_jtag_arp_init_reset,
+ },
+ {
+ .name = "newtap",
+ .mode = COMMAND_CONFIG,
+ .jim_handler = &jim_jtag_newtap,
+ .help = "Create a new TAP instance",
+ .usage = "<name> <type> -irlen <count> [-ircapture <count>] "
+ "[-irmask <count>] [-enable|-disable]",
+ },
+ {
+ .name = "tapisenabled",
+ .mode = COMMAND_EXEC,
+ .jim_handler = &jim_jtag_tap_enabler,
+ .help = "Returns a integer indicating TAP state (0/1)",
+ .usage = "<name>",
+ },
+ {
+ .name = "tapenable",
+ .mode = COMMAND_EXEC,
+ .jim_handler = &jim_jtag_tap_enabler,
+ .help = "Enable the specified TAP",
+ .usage = "<name>",
+ },
+ {
+ .name = "tapdisable",
+ .mode = COMMAND_EXEC,
+ .jim_handler = &jim_jtag_tap_enabler,
+ .help = "Enable the specified TAP",
+ .usage = "<name>",
+ },
+ {
+ .name = "configure",
+ .mode = COMMAND_EXEC,
+ .jim_handler = &jim_jtag_configure,
+ .help = "Enable the specified TAP",
+ .usage = "<name> [<key> <value> ...]",
+ },
+ {
+ .name = "cget",
+ .mode = COMMAND_EXEC,
+ .jim_handler = &jim_jtag_configure,
+ .help = "Enable the specified TAP",
+ .usage = "<name> [<key> <value> ...]",
+ },
+ {
+ .name = "names",
+ .mode = COMMAND_ANY,
+ .jim_handler = &jim_jtag_names,
+ .help = "Returns list of all JTAG tap names",
+ },
+ {
+ .chain = jtag_command_handlers_to_move,
+ },
+ COMMAND_REGISTRATION_DONE
+};
void jtag_notify_event(enum jtag_event event)
{
if (strcmp(CMD_ARGV[0], jtag_interfaces[i]->name) != 0)
continue;
- int retval = jtag_interfaces[i]->register_commands(CMD_CTX);
- if (ERROR_OK != retval)
+ if (NULL != jtag_interfaces[i]->commands)
+ {
+ int retval = register_commands(CMD_CTX, NULL,
+ jtag_interfaces[i]->commands);
+ if (ERROR_OK != retval)
return retval;
+ }
jtag_interface = jtag_interfaces[i];
* Not surprisingly, this is the same constraint as SVF; the "irscan"
* and "drscan" commands are a write-only subset of what SVF provides.
*/
-static bool scan_is_safe(tap_state_t state)
-{
- switch (state)
- {
- case TAP_RESET:
- case TAP_IDLE:
- case TAP_DRPAUSE:
- case TAP_IRPAUSE:
- return true;
- default:
- return false;
- }
-}
-
COMMAND_HANDLER(handle_irscan_command)
{
return retval;
}
-static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
-{
- int retval;
- struct scan_field *fields;
- int num_fields;
- int field_count = 0;
- int i, e;
- struct jtag_tap *tap;
- tap_state_t endstate;
-
- /* args[1] = device
- * args[2] = num_bits
- * args[3] = hex string
- * ... repeat num bits and hex string ...
- *
- * .. optionally:
- * args[N-2] = "-endstate"
- * args[N-1] = statename
- */
- if ((argc < 4) || ((argc % 2) != 0))
- {
- Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
- return JIM_ERR;
- }
-
- endstate = TAP_IDLE;
-
- script_debug(interp, "drscan", argc, args);
-
- /* validate arguments as numbers */
- e = JIM_OK;
- for (i = 2; i < argc; i += 2)
- {
- long bits;
- const char *cp;
-
- e = Jim_GetLong(interp, args[i], &bits);
- /* If valid - try next arg */
- if (e == JIM_OK) {
- continue;
- }
-
- /* Not valid.. are we at the end? */
- if (((i + 2) != argc)) {
- /* nope, then error */
- return e;
- }
-
- /* it could be: "-endstate FOO"
- * e.g. DRPAUSE so we can issue more instructions
- * before entering RUN/IDLE and executing them.
- */
-
- /* get arg as a string. */
- cp = Jim_GetString(args[i], NULL);
- /* is it the magic? */
- if (0 == strcmp("-endstate", cp)) {
- /* is the statename valid? */
- cp = Jim_GetString(args[i + 1], NULL);
-
- /* see if it is a valid state name */
- endstate = tap_state_by_name(cp);
- if (endstate < 0) {
- /* update the error message */
- Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
- } else {
- if (!scan_is_safe(endstate))
- LOG_WARNING("drscan with unsafe "
- "endstate \"%s\"", cp);
-
- /* valid - so clear the error */
- e = JIM_OK;
- /* and remove the last 2 args */
- argc -= 2;
- }
- }
-
- /* Still an error? */
- if (e != JIM_OK) {
- return e; /* too bad */
- }
- } /* validate args */
-
- tap = jtag_tap_by_jim_obj(interp, args[1]);
- if (tap == NULL) {
- return JIM_ERR;
- }
-
- num_fields = (argc-2)/2;
- fields = malloc(sizeof(struct scan_field) * num_fields);
- for (i = 2; i < argc; i += 2)
- {
- long bits;
- int len;
- const char *str;
-
- Jim_GetLong(interp, args[i], &bits);
- str = Jim_GetString(args[i + 1], &len);
-
- fields[field_count].tap = tap;
- fields[field_count].num_bits = bits;
- fields[field_count].out_value = malloc(DIV_ROUND_UP(bits, 8));
- str_to_buf(str, len, fields[field_count].out_value, bits, 0);
- fields[field_count].in_value = fields[field_count].out_value;
- field_count++;
- }
-
- jtag_add_dr_scan(num_fields, fields, endstate);
-
- retval = jtag_execute_queue();
- if (retval != ERROR_OK)
- {
- Jim_SetResultString(interp, "drscan: jtag execute failed",-1);
- return JIM_ERR;
- }
-
- field_count = 0;
- Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
- for (i = 2; i < argc; i += 2)
- {
- long bits;
- char *str;
-
- Jim_GetLong(interp, args[i], &bits);
- str = buf_to_str(fields[field_count].in_value, bits, 16);
- free(fields[field_count].out_value);
-
- Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
- free(str);
- field_count++;
- }
-
- Jim_SetResult(interp, list);
-
- free(fields);
-
- return JIM_OK;
-}
-
-
-static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *args)
-{
- tap_state_t states[8];
-
- if ((argc < 2) || ((size_t)argc > (sizeof(states)/sizeof(*states) + 1)))
- {
- Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
- return JIM_ERR;
- }
-
- script_debug(interp, "pathmove", argc, args);
-
- int i;
- for (i = 0; i < argc-1; i++)
- {
- const char *cp;
- cp = Jim_GetString(args[i + 1], NULL);
- states[i] = tap_state_by_name(cp);
- if (states[i] < 0)
- {
- /* update the error message */
- Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
- return JIM_ERR;
- }
- }
-
- if ((jtag_add_statemove(states[0]) != ERROR_OK) || (jtag_execute_queue()!= ERROR_OK))
- {
- Jim_SetResultString(interp, "pathmove: jtag execute failed",-1);
- return JIM_ERR;
- }
-
- jtag_add_pathmove(argc-2, states + 1);
-
- if (jtag_execute_queue()!= ERROR_OK)
- {
- Jim_SetResultString(interp, "pathmove: failed",-1);
- return JIM_ERR;
- }
-
- return JIM_OK;
-}
-
-
-static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args)
-{
- script_debug(interp, "flush_count", argc, args);
-
- Jim_SetResult(interp, Jim_NewIntObj(interp, jtag_get_flush_queue_count()));
-
- return JIM_OK;
-}
-
COMMAND_HANDLER(handle_verify_ircapture_command)
{
return ERROR_OK;
}
-int jtag_register_commands(struct command_context *cmd_ctx)
-{
- register_jim(cmd_ctx, "jtag", jim_jtag_command,
- "perform jtag tap actions");
-
- register_command(cmd_ctx, NULL, "interface",
- handle_interface_command, COMMAND_CONFIG,
- "try to configure interface");
- register_command(cmd_ctx, NULL, "interface_list",
- &handle_interface_list_command, COMMAND_ANY,
- "list all built-in interfaces");
-
- register_command(cmd_ctx, NULL, "jtag_khz",
- handle_jtag_khz_command, COMMAND_ANY,
- "set maximum jtag speed (if supported); "
- "parameter is maximum khz, or 0 for adaptive clocking (RTCK).");
- register_command(cmd_ctx, NULL, "jtag_rclk",
- handle_jtag_rclk_command, COMMAND_ANY,
- "fallback_speed_khz - set JTAG speed to RCLK or use fallback speed");
- register_command(cmd_ctx, NULL, "reset_config",
- handle_reset_config_command, COMMAND_ANY,
- "reset_config "
- "[none|trst_only|srst_only|trst_and_srst] "
+static const struct command_registration jtag_command_handlers[] = {
+ {
+ .name = "interface",
+ .handler = &handle_interface_command,
+ .mode = COMMAND_CONFIG,
+ .help = "select a JTAG interface",
+ .usage = "<driver_name>",
+ },
+ {
+ .name = "interface_list",
+ .handler = &handle_interface_list_command,
+ .mode = COMMAND_ANY,
+ .help = "list all built-in interfaces",
+ },
+ {
+ .name = "jtag_khz",
+ .handler = &handle_jtag_khz_command,
+ .mode = COMMAND_ANY,
+ .help = "set maximum jtag speed (if supported)",
+ .usage = "<khz:0=rtck>",
+ },
+ {
+ .name = "jtag_rclk",
+ .handler = &handle_jtag_rclk_command,
+ .mode = COMMAND_ANY,
+ .help = "set JTAG speed to RCLK or use fallback speed",
+ .usage = "<fallback_speed_khz>",
+ },
+ {
+ .name = "reset_config",
+ .handler = &handle_reset_config_command,
+ .mode = COMMAND_ANY,
+ .help = "configure JTAG reset behavior",
+ .usage = "[none|trst_only|srst_only|trst_and_srst] "
"[srst_pulls_trst|trst_pulls_srst|combined|separate] "
"[srst_gates_jtag|srst_nogate] "
"[trst_push_pull|trst_open_drain] "
- "[srst_push_pull|srst_open_drain]");
-
- register_command(cmd_ctx, NULL, "jtag_nsrst_delay",
- handle_jtag_nsrst_delay_command, COMMAND_ANY,
- "jtag_nsrst_delay <ms> "
- "- delay after deasserting srst in ms");
- register_command(cmd_ctx, NULL, "jtag_ntrst_delay",
- handle_jtag_ntrst_delay_command, COMMAND_ANY,
- "jtag_ntrst_delay <ms> "
- "- delay after deasserting trst in ms");
-
- register_command(cmd_ctx, NULL, "jtag_nsrst_assert_width",
- handle_jtag_nsrst_assert_width_command, COMMAND_ANY,
- "jtag_nsrst_assert_width <ms> "
- "- delay after asserting srst in ms");
- register_command(cmd_ctx, NULL, "jtag_ntrst_assert_width",
- handle_jtag_ntrst_assert_width_command, COMMAND_ANY,
- "jtag_ntrst_assert_width <ms> "
- "- delay after asserting trst in ms");
-
- register_command(cmd_ctx, NULL, "scan_chain",
- handle_scan_chain_command, COMMAND_EXEC,
- "print current scan chain configuration");
-
- register_command(cmd_ctx, NULL, "jtag_reset",
- handle_jtag_reset_command, COMMAND_EXEC,
- "toggle reset lines <trst> <srst>");
- register_command(cmd_ctx, NULL, "runtest",
- handle_runtest_command, COMMAND_EXEC,
- "move to Run-Test/Idle, and execute <num_cycles>");
- register_command(cmd_ctx, NULL, "irscan",
- handle_irscan_command, COMMAND_EXEC,
- "execute IR scan <device> <instr> [dev2] [instr2] ...");
-
- register_jim(cmd_ctx, "drscan", Jim_Command_drscan,
- "execute DR scan <device> "
- "<num_bits> <value> <num_bits1> <value2> ...");
-
- register_jim(cmd_ctx, "flush_count", Jim_Command_flush_count,
- "returns number of times the JTAG queue has been flushed");
-
- register_jim(cmd_ctx, "pathmove", Jim_Command_pathmove,
- "<state1>,<state2>,<state3>... "
- "- move JTAG to state1 then to state2, state3, etc.");
-
- register_command(cmd_ctx, NULL, "verify_ircapture",
- handle_verify_ircapture_command, COMMAND_ANY,
- "verify value captured during Capture-IR <enable | disable>");
- register_command(cmd_ctx, NULL, "verify_jtag",
- handle_verify_jtag_command, COMMAND_ANY,
- "verify value capture <enable | disable>");
-
- register_command(cmd_ctx, NULL, "tms_sequence",
- handle_tms_sequence_command, COMMAND_ANY,
- "choose short(default) or long tms_sequence <short | long>");
+ "[srst_push_pull|srst_open_drain]",
+ },
+ {
+ .name = "jtag_nsrst_delay",
+ .handler = &handle_jtag_nsrst_delay_command,
+ .mode = COMMAND_ANY,
+ .help = "delay after deasserting srst in ms",
+ .usage = "<ms>",
+ },
+ {
+ .name = "jtag_ntrst_delay",
+ .handler = &handle_jtag_ntrst_delay_command,
+ .mode = COMMAND_ANY,
+ .help = "delay after deasserting trst in ms",
+ .usage = "<ms>"
+ },
+ {
+ .name = "jtag_nsrst_assert_width",
+ .handler = &handle_jtag_nsrst_assert_width_command,
+ .mode = COMMAND_ANY,
+ .help = "delay after asserting srst in ms",
+ .usage = "<ms>"
+ },
+ {
+ .name = "jtag_ntrst_assert_width",
+ .handler = &handle_jtag_ntrst_assert_width_command,
+ .mode = COMMAND_ANY,
+ .help = "delay after asserting trst in ms",
+ .usage = "<ms>"
+ },
+ {
+ .name = "scan_chain",
+ .handler = &handle_scan_chain_command,
+ .mode = COMMAND_EXEC,
+ .help = "print current scan chain configuration",
+ },
+ {
+ .name = "jtag_reset",
+ .handler = &handle_jtag_reset_command,
+ .mode = COMMAND_EXEC,
+ .help = "toggle reset lines",
+ .usage = "<trst> <srst>",
+ },
+ {
+ .name = "runtest",
+ .handler = &handle_runtest_command,
+ .mode = COMMAND_EXEC,
+ .help = "move to Run-Test/Idle, and execute <num_cycles>",
+ .usage = "<num_cycles>"
+ },
+ {
+ .name = "irscan",
+ .handler = &handle_irscan_command,
+ .mode = COMMAND_EXEC,
+ .help = "execute IR scan",
+ .usage = "<device> <instr> [dev2] [instr2] ...",
+ },
+ {
+ .name = "verify_ircapture",
+ .handler = &handle_verify_ircapture_command,
+ .mode = COMMAND_ANY,
+ .help = "verify value captured during Capture-IR",
+ .usage = "<enable | disable>",
+ },
+ {
+ .name = "verify_jtag",
+ .handler = &handle_verify_jtag_command,
+ .mode = COMMAND_ANY,
+ .help = "verify value capture",
+ .usage = "<enable | disable>",
+ },
+ {
+ .name = "tms_sequence",
+ .handler = &handle_tms_sequence_command,
+ .mode = COMMAND_ANY,
+ .help = "choose short(default) or long tms_sequence",
+ .usage = "<short | long>",
+ },
+ {
+ .name = "jtag",
+ .mode = COMMAND_ANY,
+ .help = "perform jtag tap actions",
- return ERROR_OK;
+ .chain = jtag_subcommand_handlers,
+ },
+ {
+ .chain = jtag_command_handlers_to_move,
+ },
+ COMMAND_REGISTRATION_DONE
+};
+int jtag_register_commands(struct command_context *cmd_ctx)
+{
+ return register_commands(cmd_ctx, NULL, jtag_command_handlers);
}
-
-
Code Review / openocd.git / blobdiff