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)
if (!found)
jteap = calloc(1, sizeof(*jteap));
else if (NULL != jteap->body)
- Jim_DecrRefCount(interp, jteap->body);
+ Jim_DecrRefCount(goi->interp, jteap->body);
+ jteap->interp = goi->interp;
jteap->event = n->value;
Jim_Obj *o;
}
else if (found)
{
+ jteap->interp = goi->interp;
Jim_SetResult(goi->interp,
Jim_DuplicateObj(goi->interp, jteap->body));
}
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) */
tap->dotted_name, e, nvp->name,
Jim_GetString(jteap->body, NULL));
- if (Jim_EvalObj(interp, jteap->body) != JIM_OK)
+ if (Jim_EvalObj(jteap->interp, jteap->body) != JIM_OK)
{
- Jim_PrintErrorMessage(interp);
+ Jim_PrintErrorMessage(jteap->interp);
continue;
}
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,
projects / fw / openocd / blobdiff