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)
{ .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
+#define NTAP_OPT_VERSION 6
+
+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 = "-ignore-version" , .value = NTAP_OPT_VERSION },
{ .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;
+ case NTAP_OPT_VERSION:
+ pTap->ignore_version = true;
+ 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;
}
}
}
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,
COMMAND_HANDLER(handle_scan_chain_command)
{
struct jtag_tap *tap;
+ char expected_id[12];
tap = jtag_all_taps();
- command_print(CMD_CTX, " TapName | Enabled | IdCode Expected IrLen IrCap IrMask Instr ");
- command_print(CMD_CTX, "---|--------------------|---------|------------|------------|------|------|------|---------");
+ command_print(CMD_CTX,
+" TapName Enabled IdCode Expected IrLen IrCap IrMask");
+ command_print(CMD_CTX,
+"-- ------------------- -------- ---------- ---------- ----- ----- ------");
while (tap) {
- uint32_t expected, expected_mask, cur_instr, ii;
+ uint32_t expected, expected_mask, ii;
+
+ snprintf(expected_id, sizeof expected_id, "0x%08x",
+ (unsigned)((tap->expected_ids_cnt > 0)
+ ? tap->expected_ids[0]
+ : 0));
+ if (tap->ignore_version)
+ expected_id[2] = '*';
+
expected = buf_get_u32(tap->expected, 0, tap->ir_length);
expected_mask = buf_get_u32(tap->expected_mask, 0, tap->ir_length);
- cur_instr = buf_get_u32(tap->cur_instr, 0, tap->ir_length);
command_print(CMD_CTX,
- "%2d | %-18s | %c | 0x%08x | 0x%08x | 0x%02x | 0x%02x | 0x%02x | 0x%02x",
+ "%2d %-18s %c 0x%08x %s %5d 0x%02x 0x%02x",
tap->abs_chain_position,
tap->dotted_name,
tap->enabled ? 'Y' : 'n',
(unsigned int)(tap->idcode),
- (unsigned int)(tap->expected_ids_cnt > 0 ? tap->expected_ids[0] : 0),
+ expected_id,
(unsigned int)(tap->ir_length),
(unsigned int)(expected),
- (unsigned int)(expected_mask),
- (unsigned int)(cur_instr));
+ (unsigned int)(expected_mask));
for (ii = 1; ii < tap->expected_ids_cnt; ii++) {
- command_print(CMD_CTX, " | | | | 0x%08x | | | | ",
- (unsigned int)(tap->expected_ids[ii]));
+ snprintf(expected_id, sizeof expected_id, "0x%08x",
+ (unsigned) tap->expected_ids[1]);
+ if (tap->ignore_version)
+ expected_id[2] = '*';
+
+ command_print(CMD_CTX,
+ " %s",
+ expected_id);
}
tap = tap->next_tap;
projects / fw / openocd / blobdiff