extern struct jtag_interface *jtag_interface;
+struct jtag_tap *jtag_tap_by_jim_obj(Jim_Interp *interp, Jim_Obj *o)
+{
+ const char *cp = Jim_GetString(o, NULL);
+ struct jtag_tap *t = cp ? jtag_tap_by_string(cp) : NULL;
+ if (NULL == cp)
+ cp = "(unknown)";
+ if (NULL == t)
+ Jim_SetResult_sprintf(interp, "Tap '%s' could not be found", cp);
+ return t;
+}
+
+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(goi->interp, jteap->body);
+
+ jteap->interp = goi->interp;
+ 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)
+ {
+ jteap->interp = goi->interp;
+ 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;
}
return (w & v) != 0;
}
+static int jim_newtap_expected_id(Jim_Nvp *n, Jim_GetOptInfo *goi,
+ struct jtag_tap *pTap)
+{
+ jim_wide w;
+ int e = Jim_GetOpt_Wide(goi, &w);
+ if (e != JIM_OK) {
+ Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
+ return e;
+ }
+
+ unsigned expected_len = sizeof(uint32_t) * pTap->expected_ids_cnt;
+ uint32_t *new_expected_ids = malloc(expected_len + sizeof(uint32_t));
+ if (new_expected_ids == NULL)
+ {
+ Jim_SetResult_sprintf(goi->interp, "no memory");
+ return JIM_ERR;
+ }
+
+ memcpy(new_expected_ids, pTap->expected_ids, expected_len);
+
+ new_expected_ids[pTap->expected_ids_cnt] = w;
+
+ free(pTap->expected_ids);
+ pTap->expected_ids = new_expected_ids;
+ pTap->expected_ids_cnt++;
+
+ return JIM_OK;
+}
+
+#define NTAP_OPT_IRLEN 0
+#define NTAP_OPT_IRMASK 1
+#define NTAP_OPT_IRCAPTURE 2
+#define NTAP_OPT_ENABLED 3
+#define NTAP_OPT_DISABLED 4
+#define NTAP_OPT_EXPECTED_ID 5
+
+static int jim_newtap_ir_param(Jim_Nvp *n, Jim_GetOptInfo *goi,
+ struct jtag_tap *pTap)
+{
+ jim_wide w;
+ int e = Jim_GetOpt_Wide(goi, &w);
+ if (e != JIM_OK)
+ {
+ Jim_SetResult_sprintf(goi->interp,
+ "option: %s bad parameter", n->name);
+ free((void *)pTap->dotted_name);
+ return e;
+ }
+ switch (n->value) {
+ case NTAP_OPT_IRLEN:
+ if (w > (jim_wide) (8 * sizeof(pTap->ir_capture_value)))
+ {
+ LOG_WARNING("%s: huge IR length %d",
+ pTap->dotted_name, (int) w);
+ }
+ pTap->ir_length = w;
+ break;
+ case NTAP_OPT_IRMASK:
+ if (is_bad_irval(pTap->ir_length, w))
+ {
+ LOG_ERROR("%s: IR mask %x too big",
+ pTap->dotted_name,
+ (int) w);
+ return JIM_ERR;
+ }
+ if ((w & 3) != 3)
+ LOG_WARNING("%s: nonstandard IR mask", pTap->dotted_name);
+ pTap->ir_capture_mask = w;
+ break;
+ case NTAP_OPT_IRCAPTURE:
+ if (is_bad_irval(pTap->ir_length, w))
+ {
+ LOG_ERROR("%s: IR capture %x too big",
+ pTap->dotted_name, (int) w);
+ return JIM_ERR;
+ }
+ if ((w & 3) != 1)
+ LOG_WARNING("%s: nonstandard IR value",
+ pTap->dotted_name);
+ pTap->ir_capture_value = w;
+ break;
+ default:
+ return JIM_ERR;
+ }
+ return JIM_OK;
+}
+
static int jim_newtap_cmd(Jim_GetOptInfo *goi)
{
struct jtag_tap *pTap;
- jim_wide w;
int x;
int e;
Jim_Nvp *n;
char *cp;
const Jim_Nvp opts[] = {
-#define NTAP_OPT_IRLEN 0
{ .name = "-irlen" , .value = NTAP_OPT_IRLEN },
-#define NTAP_OPT_IRMASK 1
{ .name = "-irmask" , .value = NTAP_OPT_IRMASK },
-#define NTAP_OPT_IRCAPTURE 2
{ .name = "-ircapture" , .value = NTAP_OPT_IRCAPTURE },
-#define NTAP_OPT_ENABLED 3
{ .name = "-enable" , .value = NTAP_OPT_ENABLED },
-#define NTAP_OPT_DISABLED 4
{ .name = "-disable" , .value = NTAP_OPT_DISABLED },
-#define NTAP_OPT_EXPECTED_ID 5
{ .name = "-expected-id" , .value = NTAP_OPT_EXPECTED_ID },
{ .name = NULL , .value = -1 },
};
pTap->disabled_after_reset = true;
break;
case NTAP_OPT_EXPECTED_ID:
- {
- uint32_t *new_expected_ids;
-
- e = Jim_GetOpt_Wide(goi, &w);
- if (e != JIM_OK) {
- Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
+ e = jim_newtap_expected_id(n, goi, pTap);
+ if (JIM_OK != e)
+ {
free((void *)pTap->dotted_name);
free(pTap);
return e;
}
-
- new_expected_ids = malloc(sizeof(uint32_t) * (pTap->expected_ids_cnt + 1));
- if (new_expected_ids == NULL) {
- Jim_SetResult_sprintf(goi->interp, "no memory");
- free((void *)pTap->dotted_name);
- free(pTap);
- return JIM_ERR;
- }
-
- memcpy(new_expected_ids, pTap->expected_ids, sizeof(uint32_t) * pTap->expected_ids_cnt);
-
- new_expected_ids[pTap->expected_ids_cnt] = w;
-
- free(pTap->expected_ids);
- pTap->expected_ids = new_expected_ids;
- pTap->expected_ids_cnt++;
break;
- }
case NTAP_OPT_IRLEN:
case NTAP_OPT_IRMASK:
case NTAP_OPT_IRCAPTURE:
- e = Jim_GetOpt_Wide(goi, &w);
- if (e != JIM_OK) {
- Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
+ e = jim_newtap_ir_param(n, goi, pTap);
+ if (JIM_OK != e)
+ {
free((void *)pTap->dotted_name);
free(pTap);
return e;
}
- switch (n->value) {
- case NTAP_OPT_IRLEN:
- if (w > (jim_wide) (8 * sizeof(pTap->ir_capture_value)))
- LOG_WARNING("%s: huge IR length %d",
- pTap->dotted_name,
- (int) w);
- pTap->ir_length = w;
- break;
- case NTAP_OPT_IRMASK:
- if (is_bad_irval(pTap->ir_length, w)) {
- LOG_ERROR("%s: IR mask %x too big",
- pTap->dotted_name,
- (int) w);
- free((void *)pTap->dotted_name);
- free(pTap);
- return ERROR_FAIL;
- }
- if ((w & 3) != 3)
- LOG_WARNING("%s: nonstandard IR mask",
- pTap->dotted_name);
- pTap->ir_capture_mask = w;
- break;
- case NTAP_OPT_IRCAPTURE:
- if (is_bad_irval(pTap->ir_length, w)) {
- LOG_ERROR("%s: IR capture %x too big",
- pTap->dotted_name,
- (int) w);
- free((void *)pTap->dotted_name);
- free(pTap);
- return ERROR_FAIL;
- }
- if ((w & 3) != 1)
- LOG_WARNING("%s: nonstandard IR value",
- pTap->dotted_name);
- pTap->ir_capture_value = w;
- break;
- }
+ break;
} /* switch (n->value) */
} /* while (goi->argc) */
{
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(jteap->interp, jteap->body) != JIM_OK)
+ {
+ Jim_PrintErrorMessage(jteap->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);
+ 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_inner(context);
+ if (e != ERROR_OK) {
+ Jim_SetResult_sprintf(goi.interp, "error: %d", e);
+ return JIM_ERR;
+ }
+ return JIM_OK;
+}
- e = Jim_GetOpt_Nvp(&goi, jtag_cmds, &n);
- if (e != JIM_OK) {
- Jim_GetOpt_NvpUnknown(&goi, jtag_cmds, 0);
- return e;
+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;
}
- 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_reset(context);
+ if (e != ERROR_OK) {
+ Jim_SetResult_sprintf(goi.interp, "error: %d", e);
+ return JIM_ERR;
+ }
+ return JIM_OK;
+}
- {
- struct jtag_tap *t;
-
- t = jtag_tap_by_jim_obj(goi.interp, goi.argv[0]);
- if (t == NULL)
- return JIM_ERR;
-
- 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 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);
+}
- case JTAG_CMD_CGET:
- if (goi.argc < 2) {
- Jim_WrongNumArgs(goi.interp, 0, NULL,
- "cget tap_name queryparm");
- return JIM_ERR;
- }
+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;
- {
- struct jtag_tap *t;
+ /* 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;
- Jim_GetOpt_Obj(&goi, &o);
- t = jtag_tap_by_jim_obj(goi.interp, o);
- if (t == NULL) {
- return JIM_ERR;
- }
+ /* 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;
+}
- goi.isconfigure = 0;
- return jtag_tap_configure_cmd(&goi, t);
- }
- break;
+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;
+ }
- case JTAG_CMD_CONFIGURE:
- if (goi.argc < 3) {
- Jim_WrongNumArgs(goi.interp, 0, NULL,
- "configure tap_name attribute value ...");
- return JIM_ERR;
- }
+ struct jtag_tap *t;
- {
- struct jtag_tap *t;
+ t = jtag_tap_by_jim_obj(goi.interp, goi.argv[0]);
+ if (t == NULL)
+ return JIM_ERR;
- Jim_GetOpt_Obj(&goi, &o);
- t = jtag_tap_by_jim_obj(goi.interp, o);
- if (t == NULL) {
- return JIM_ERR;
- }
+ 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;
+}
- goi.isconfigure = 1;
- return jtag_tap_configure_cmd(&goi, t);
- }
- break;
+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;
+ }
- 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;
+ struct jtag_tap *t;
- 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;
+ Jim_Obj *o;
+ Jim_GetOpt_Obj(&goi, &o);
+ t = jtag_tap_by_jim_obj(goi.interp, o);
+ if (t == NULL) {
+ return JIM_ERR;
+ }
+
+ 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;
+}
+
+COMMAND_HANDLER(handle_jtag_init_command)
+{
+ if (CMD_ARGC != 0)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ static bool jtag_initialized = false;
+ if (jtag_initialized)
+ {
+ LOG_INFO("'jtag init' has already been called");
+ return ERROR_OK;
+ }
+ jtag_initialized = true;
+
+ LOG_DEBUG("Initializing jtag devices...");
+ return jtag_init(CMD_CTX);
}
+static const struct command_registration jtag_subcommand_handlers[] = {
+ {
+ .name = "init",
+ .mode = COMMAND_ANY,
+ .handler = &handle_jtag_init_command,
+ .help = "initialize jtag scan chain",
+ },
+ {
+ .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)
{
* 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 > (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;
-}
-
COMMAND_HANDLER(handle_verify_ircapture_command)
{
.help = "choose short(default) or long tms_sequence",
.usage = "<short | long>",
},
- // jim commands
{
.name = "jtag",
.mode = COMMAND_ANY,
- .jim_handler = &jim_jtag_command,
.help = "perform jtag tap actions",
+
+ .chain = jtag_subcommand_handlers,
},
{
- .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.",
+ .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);
projects / fw / openocd / blobdiff