* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2009 SoftPLC Corporation *
#endif
static const Jim_Nvp nvp_jtag_tap_event[] = {
+ { .value = JTAG_TRST_ASSERTED, .name = "post-reset" },
+ { .value = JTAG_TAP_EVENT_SETUP, .name = "setup" },
{ .value = JTAG_TAP_EVENT_ENABLE, .name = "tap-enable" },
{ .value = JTAG_TAP_EVENT_DISABLE, .name = "tap-disable" },
extern jtag_interface_t *jtag_interface;
-/* jtag commands */
-static int handle_interface_list_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc);
-static int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-static int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-static int handle_jtag_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_runtest_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
-static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
-static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args);
-
-static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-static int handle_tms_sequence_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-extern int jtag_examine_chain(void);
-extern int jtag_validate_chain(void);
-
enum jtag_tap_cfg_param {
JCFG_EVENT
};
}
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);
jteap->body = Jim_DuplicateObj(goi->interp, o);
Jim_IncrRefCount(jteap->body);
- /* add to head of event list */
- jteap->next = tap->event_action;
- tap->event_action = jteap;
+ if (!replace)
+ {
+ /* add to head of event list */
+ jteap->next = tap->event_action;
+ tap->event_action = jteap;
+ }
Jim_SetEmptyResult(goi->interp);
} else {
/* get */
jim_wide w;
int x;
int e;
- int reqbits;
Jim_Nvp *n;
char *cp;
const Jim_Nvp opts[] = {
* */
if (goi->argc < 3) {
Jim_SetResult_sprintf(goi->interp, "Missing CHIP TAP OPTIONS ....");
+ free(pTap);
return JIM_ERR;
}
Jim_GetOpt_String(goi, &cp, NULL);
LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params",
pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc);
- /* deal with options */
-#define NTREQ_IRLEN 1
-#define NTREQ_IRCAPTURE 2
-#define NTREQ_IRMASK 4
-
- /* clear them as we find them */
- reqbits = (NTREQ_IRLEN | NTREQ_IRCAPTURE | NTREQ_IRMASK);
+ /* IEEE specifies that the two LSBs of an IR scan are 01, so make
+ * that the default. The "-irlen" and "-irmask" options are only
+ * needed to cope with nonstandard TAPs, or to specify more bits.
+ */
+ pTap->ir_capture_mask = 0x03;
+ pTap->ir_capture_value = 0x01;
while (goi->argc) {
e = Jim_GetOpt_Nvp(goi, opts, &n);
if (e != JIM_OK) {
Jim_GetOpt_NvpUnknown(goi, opts, 0);
+ free((void *)pTap->dotted_name);
+ free(pTap);
return e;
}
LOG_DEBUG("Processing option: %s", n->name);
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);
+ 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;
}
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);
+ free(pTap);
return e;
}
switch (n->value) {
case NTAP_OPT_IRLEN:
if (w > (jim_wide) (8 * sizeof(pTap->ir_capture_value)))
- LOG_WARNING("huge IR length %d", (int) w);
+ LOG_WARNING("%s: huge IR length %d",
+ pTap->dotted_name,
+ (int) w);
pTap->ir_length = w;
- reqbits &= (~(NTREQ_IRLEN));
break;
case NTAP_OPT_IRMASK:
if (is_bad_irval(pTap->ir_length, w)) {
- LOG_ERROR("IR mask %x too big",
+ 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;
- reqbits &= (~(NTREQ_IRMASK));
break;
case NTAP_OPT_IRCAPTURE:
if (is_bad_irval(pTap->ir_length, w)) {
- LOG_ERROR("IR capture %x too big",
+ 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;
- reqbits &= (~(NTREQ_IRCAPTURE));
break;
}
} /* switch (n->value) */
pTap->enabled = !pTap->disabled_after_reset;
/* Did all the required option bits get cleared? */
- if (0 == reqbits)
+ if (pTap->ir_length != 0)
{
jtag_tap_init(pTap);
return ERROR_OK;
}
Jim_SetResult_sprintf(goi->interp,
- "newtap: %s missing required parameters",
+ "newtap: %s missing IR length",
pTap->dotted_name);
jtag_tap_free(pTap);
return JIM_ERR;
static void jtag_tap_handle_event(jtag_tap_t *tap, enum jtag_event e)
{
jtag_tap_event_action_t * jteap;
- int done;
-
- jteap = tap->event_action;
- done = 0;
- while (jteap) {
+ for (jteap = tap->event_action; jteap != NULL; jteap = jteap->next) {
if (jteap->event == e) {
- done = 1;
- LOG_DEBUG("JTAG tap: %s event: %d (%s) action: %s\n",
+ 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 {
+ } else switch (e) {
+ case JTAG_TAP_EVENT_ENABLE:
+ case JTAG_TAP_EVENT_DISABLE:
/* NOTE: we currently assume the handlers
- * can't fail. That presumes later code
- * will be verifying the scan chains ...
+ * 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;
}
}
-
- jteap = jteap->next;
- }
-
- if (!done) {
- LOG_DEBUG("event %d %s - no action",
- e,
- Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e)->name);
}
}
enum {
JTAG_CMD_INTERFACE,
+ JTAG_CMD_INIT,
JTAG_CMD_INIT_RESET,
JTAG_CMD_NEWTAP,
JTAG_CMD_TAPENABLE,
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 },
Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
return JIM_ERR;
}
- Jim_SetResultString(goi.interp, jtag_interface->name, -1);
+ 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) {
return JIM_ERR;
}
-int jtag_register_commands(struct command_context_s *cmd_ctx)
+
+void jtag_notify_event(enum jtag_event event)
{
- 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_speed", handle_jtag_speed_command,
- COMMAND_ANY, "(DEPRECATED) set jtag speed (if supported)");
- 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_device", handle_jtag_device_command,
- COMMAND_CONFIG, "(DEPRECATED) jtag_device <ir_length> <ir_expected> <ir_mask>");
- register_command(cmd_ctx, NULL, "reset_config", handle_reset_config_command,
- COMMAND_ANY,
- "[none/trst_only/srst_only/trst_and_srst] [srst_pulls_trst/trst_pulls_srst] [combined/separate] [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, "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, "move JTAG to state1 then to state2, state3, etc. <state1>,<state2>,<stat3>...");
-
- 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>");
- return ERROR_OK;
+ jtag_tap_t *tap;
+
+ for (tap = jtag_all_taps(); tap; tap = tap->next_tap)
+ jtag_tap_handle_event(tap, event);
}
+
static int default_khz(int khz, int *jtag_speed)
{
LOG_ERROR("Translation from khz to jtag_speed not implemented");
return ERROR_OK;
}
-static int handle_interface_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_interface_list_command)
+{
+ if (strcmp(CMD_NAME, "interface_list") == 0 && argc > 0)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ command_print(cmd_ctx, "The following JTAG interfaces are available:");
+ for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
+ {
+ const char *name = jtag_interfaces[i]->name;
+ command_print(cmd_ctx, "%u: %s", i + 1, name);
+ }
+
+ return ERROR_OK;
+}
+
+COMMAND_HANDLER(handle_interface_command)
{
/* check whether the interface is already configured */
if (jtag_interface)
* didn't match one of the compiled-in interfaces
*/
LOG_ERROR("The specified JTAG interface was not found (%s)", args[0]);
- handle_interface_list_command(cmd_ctx, cmd, args, argc);
+ CALL_COMMAND_HANDLER(handle_interface_list_command);
return ERROR_JTAG_INVALID_INTERFACE;
}
-static int handle_interface_list_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
-{
- if (strcmp(cmd, "interface_list") == 0 && argc > 0)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- command_print(cmd_ctx, "The following JTAG interfaces are available:");
- for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
- {
- const char *name = jtag_interfaces[i]->name;
- command_print(cmd_ctx, "%u: %s", i + 1, name);
- }
-
- return ERROR_OK;
-}
-
-static int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- int e;
- char buf[1024];
- Jim_Obj *newargs[ 10 ];
- /*
- * CONVERT SYNTAX
- * argv[-1] = command
- * argv[ 0] = ir length
- * argv[ 1] = ir capture
- * argv[ 2] = ir mask
- * argv[ 3] = not actually used by anything but in the docs
- */
-
- if (argc < 4) {
- command_print(cmd_ctx, "OLD DEPRECATED SYNTAX: Please use the NEW syntax");
- return ERROR_OK;
- }
- command_print(cmd_ctx, "OLD SYNTAX: DEPRECATED - translating to new syntax");
- command_print(cmd_ctx, "jtag newtap CHIP TAP -irlen %s -ircapture %s -irvalue %s",
- args[0],
- args[1],
- args[2]);
- command_print(cmd_ctx, "Example: STM32 has 2 taps, the cortexM3(len4) + boundaryscan(len5)");
- command_print(cmd_ctx, "jtag newtap stm32 cortexm3 ....., thus creating the tap: \"stm32.cortexm3\"");
- command_print(cmd_ctx, "jtag newtap stm32 boundary ....., and the tap: \"stm32.boundary\"");
- command_print(cmd_ctx, "And then refer to the taps by the dotted name.");
-
- newargs[0] = Jim_NewStringObj(interp, "jtag", -1);
- newargs[1] = Jim_NewStringObj(interp, "newtap", -1);
- sprintf(buf, "chip%d", jtag_tap_count());
- newargs[2] = Jim_NewStringObj(interp, buf, -1);
- sprintf(buf, "tap%d", jtag_tap_count());
- newargs[3] = Jim_NewStringObj(interp, buf, -1);
- newargs[4] = Jim_NewStringObj(interp, "-irlen", -1);
- newargs[5] = Jim_NewStringObj(interp, args[0], -1);
- newargs[6] = Jim_NewStringObj(interp, "-ircapture", -1);
- newargs[7] = Jim_NewStringObj(interp, args[1], -1);
- newargs[8] = Jim_NewStringObj(interp, "-irmask", -1);
- newargs[9] = Jim_NewStringObj(interp, args[2], -1);
-
- command_print(cmd_ctx, "NEW COMMAND:");
- sprintf(buf, "%s %s %s %s %s %s %s %s %s %s",
- Jim_GetString(newargs[0], NULL),
- Jim_GetString(newargs[1], NULL),
- Jim_GetString(newargs[2], NULL),
- Jim_GetString(newargs[3], NULL),
- Jim_GetString(newargs[4], NULL),
- Jim_GetString(newargs[5], NULL),
- Jim_GetString(newargs[6], NULL),
- Jim_GetString(newargs[7], NULL),
- Jim_GetString(newargs[8], NULL),
- Jim_GetString(newargs[9], NULL));
-
- e = jim_jtag_command(interp, 10, newargs);
- if (e != JIM_OK) {
- command_print(cmd_ctx, "%s", Jim_GetString(Jim_GetResult(interp), NULL));
- }
- return e;
-}
-
-static int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_scan_chain_command)
{
jtag_tap_t *tap;
return ERROR_OK;
}
-static int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_reset_config_command)
{
int new_cfg = 0;
int mask = 0;
- if (argc < 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
/* Original versions cared about the order of these tokens:
* reset_config signals [combination [trst_type [srst_type]]]
* They also clobbered the previous configuration even on error.
int tmp = 0;
int m;
+ /* gating */
+ m = RESET_SRST_NO_GATING;
+ if (strcmp(*args, "srst_gates_jtag") == 0)
+ /* default: don't use JTAG while SRST asserted */;
+ else if (strcmp(*args, "srst_nogate") == 0)
+ tmp = RESET_SRST_NO_GATING;
+ else
+ m = 0;
+ if (mask & m) {
+ LOG_ERROR("extra reset_config %s spec (%s)",
+ "gating", *args);
+ return ERROR_INVALID_ARGUMENTS;
+ }
+ if (m)
+ goto next;
+
/* signals */
m = RESET_HAS_TRST | RESET_HAS_SRST;
if (strcmp(*args, "none") == 0)
}
/* clear previous values of those bits, save new values */
- enum reset_types old_cfg = jtag_get_reset_config();
- old_cfg &= ~mask;
- new_cfg |= old_cfg;
- jtag_set_reset_config(new_cfg);
+ if (mask) {
+ int old_cfg = jtag_get_reset_config();
+
+ old_cfg &= ~mask;
+ new_cfg |= old_cfg;
+ jtag_set_reset_config(new_cfg);
+ } else
+ new_cfg = jtag_get_reset_config();
+
+
+ /*
+ * Display the (now-)current reset mode
+ */
+ char *modes[5];
+
+ /* minimal JTAG has neither SRST nor TRST (so that's the default) */
+ switch (new_cfg & (RESET_HAS_TRST | RESET_HAS_SRST)) {
+ case RESET_HAS_SRST:
+ modes[0] = "srst_only";
+ break;
+ case RESET_HAS_TRST:
+ modes[0] = "trst_only";
+ break;
+ case RESET_TRST_AND_SRST:
+ modes[0] = "trst_and_srst";
+ break;
+ default:
+ modes[0] = "none";
+ break;
+ }
+
+ /* normally SRST and TRST are decoupled; but bugs happen ... */
+ switch (new_cfg & (RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST)) {
+ case RESET_SRST_PULLS_TRST:
+ modes[1] = "srst_pulls_trst";
+ break;
+ case RESET_TRST_PULLS_SRST:
+ modes[1] = "trst_pulls_srst";
+ break;
+ case RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST:
+ modes[1] = "combined";
+ break;
+ default:
+ modes[1] = "separate";
+ break;
+ }
+
+ /* TRST-less connectors include Altera, Xilinx, and minimal JTAG */
+ if (new_cfg & RESET_HAS_TRST) {
+ if (new_cfg & RESET_TRST_OPEN_DRAIN)
+ modes[3] = " trst_open_drain";
+ else
+ modes[3] = " trst_push_pull";
+ } else
+ modes[3] = "";
+
+ /* SRST-less connectors include TI-14, Xilinx, and minimal JTAG */
+ if (new_cfg & RESET_HAS_SRST) {
+ if (new_cfg & RESET_SRST_NO_GATING)
+ modes[2] = " srst_nogate";
+ else
+ modes[2] = " srst_gates_jtag";
+
+ if (new_cfg & RESET_SRST_PUSH_PULL)
+ modes[4] = " srst_push_pull";
+ else
+ modes[4] = " srst_open_drain";
+ } else {
+ modes[2] = "";
+ modes[4] = "";
+ }
+
+ command_print(cmd_ctx, "%s %s%s%s%s",
+ modes[0], modes[1],
+ modes[2], modes[3], modes[4]);
return ERROR_OK;
}
-static int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_jtag_nsrst_delay_command)
{
if (argc > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
if (argc == 1)
{
unsigned delay;
- int retval = parse_uint(args[0], &delay);
- if (ERROR_OK != retval)
- return retval;
+ COMMAND_PARSE_NUMBER(uint, args[0], delay);
+
jtag_set_nsrst_delay(delay);
}
command_print(cmd_ctx, "jtag_nsrst_delay: %u", jtag_get_nsrst_delay());
return ERROR_OK;
}
-static int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_jtag_ntrst_delay_command)
{
if (argc > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
if (argc == 1)
{
unsigned delay;
- int retval = parse_uint(args[0], &delay);
- if (ERROR_OK != retval)
- return retval;
+ COMMAND_PARSE_NUMBER(uint, args[0], delay);
+
jtag_set_ntrst_delay(delay);
}
command_print(cmd_ctx, "jtag_ntrst_delay: %u", jtag_get_ntrst_delay());
return ERROR_OK;
}
-static int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_jtag_nsrst_assert_width_command)
{
- int retval = ERROR_OK;
-
if (argc > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
if (argc == 1)
{
- LOG_DEBUG("handle jtag speed");
-
- unsigned cur_speed = 0;
- int retval = parse_uint(args[0], &cur_speed);
- if (ERROR_OK != retval)
- return retval;
- retval = jtag_set_speed(cur_speed);
+ unsigned delay;
+ COMMAND_PARSE_NUMBER(uint, args[0], delay);
+ jtag_set_nsrst_assert_width(delay);
}
- command_print(cmd_ctx, "jtag_speed: %d", jtag_get_speed());
+ command_print(cmd_ctx, "jtag_nsrst_assert_width: %u", jtag_get_nsrst_assert_width());
+ return ERROR_OK;
+}
- return retval;
+COMMAND_HANDLER(handle_jtag_ntrst_assert_width_command)
+{
+ if (argc > 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ if (argc == 1)
+ {
+ unsigned delay;
+ COMMAND_PARSE_NUMBER(uint, args[0], delay);
+
+ jtag_set_ntrst_assert_width(delay);
+ }
+ command_print(cmd_ctx, "jtag_ntrst_assert_width: %u", jtag_get_ntrst_assert_width());
+ return ERROR_OK;
}
-static int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_jtag_khz_command)
{
if (argc > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
if (argc == 1)
{
unsigned khz = 0;
- int retval = parse_uint(args[0], &khz);
- if (ERROR_OK != retval)
- return retval;
+ COMMAND_PARSE_NUMBER(uint, args[0], khz);
+
retval = jtag_config_khz(khz);
if (ERROR_OK != retval)
return retval;
return retval;
}
-static int handle_jtag_reset_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_jtag_rclk_command)
+{
+ if (argc > 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ int retval = ERROR_OK;
+ if (argc == 1)
+ {
+ unsigned khz = 0;
+ COMMAND_PARSE_NUMBER(uint, args[0], khz);
+
+ retval = jtag_config_rclk(khz);
+ if (ERROR_OK != retval)
+ return retval;
+ }
+
+ int cur_khz = jtag_get_speed_khz();
+ retval = jtag_get_speed_readable(&cur_khz);
+ if (ERROR_OK != retval)
+ return retval;
+
+ if (cur_khz)
+ command_print(cmd_ctx, "RCLK not supported - fallback to %d kHz", cur_khz);
+ else
+ command_print(cmd_ctx, "RCLK - adaptive");
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_jtag_reset_command)
{
if (argc != 2)
return ERROR_COMMAND_SYNTAX_ERROR;
return ERROR_JTAG_INIT_FAILED;
jtag_add_reset(trst, srst);
- jtag_execute_queue();
-
- return ERROR_OK;
+ return jtag_execute_queue();
}
-static int handle_runtest_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_runtest_command)
{
if (argc != 1)
return ERROR_COMMAND_SYNTAX_ERROR;
unsigned num_clocks;
- int retval = parse_uint(args[0], &num_clocks);
- if (ERROR_OK != retval)
- return retval;
+ COMMAND_PARSE_NUMBER(uint, args[0], num_clocks);
jtag_add_runtest(num_clocks, TAP_IDLE);
- jtag_execute_queue();
-
- return ERROR_OK;
+ return jtag_execute_queue();
}
/*
* For "irscan" or "drscan" commands, the "end" (really, "next") state
* should be stable ... and *NOT* a shift state, otherwise free-running
* jtag clocks could change the values latched by the update state.
+ * 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)
{
}
-static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_irscan_command)
{
int i;
scan_field_t *fields;
if (argc >= 4) {
/* have at least one pair of numbers. */
/* is last pair the magic text? */
- if (0 == strcmp("-endstate", args[ argc - 2 ])) {
- const char *cpA;
- const char *cpS;
- cpA = args[ argc-1 ];
- for (endstate = 0 ; endstate < TAP_NUM_STATES ; endstate++) {
- cpS = tap_state_name(endstate);
- if (0 == strcmp(cpA, cpS)) {
- break;
- }
- }
- if (endstate >= TAP_NUM_STATES) {
+ if (strcmp("-endstate", args[argc - 2]) == 0) {
+ endstate = tap_state_by_name(args[argc - 1]);
+ if (endstate == TAP_INVALID)
return ERROR_COMMAND_SYNTAX_ERROR;
- } else {
- if (!scan_is_safe(endstate))
- LOG_WARNING("irscan with unsafe "
- "endstate \"%s\"", cpA);
- /* found - remove the last 2 args */
- argc -= 2;
- }
+ if (!scan_is_safe(endstate))
+ LOG_WARNING("unstable irscan endstate \"%s\"",
+ args[argc - 1]);
+ argc -= 2;
}
}
tap = jtag_tap_by_string(args[i*2]);
if (tap == NULL)
{
+ int j;
+ for (j = 0; j < i; j++)
+ free(fields[j].out_value);
+ free(fields);
command_print(cmd_ctx, "Tap: %s unknown", args[i*2]);
+
return ERROR_FAIL;
}
int field_size = tap->ir_length;
}
-static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_verify_ircapture_command)
{
if (argc > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
return ERROR_OK;
}
-static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_verify_jtag_command)
{
if (argc > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
return ERROR_OK;
}
-static int handle_tms_sequence_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_tms_sequence_command)
{
if (argc > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
return ERROR_OK;
}
+
+int jtag_register_commands(struct command_context_s *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] "
+ "[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>");
+
+ return ERROR_OK;
+}
+
+
Code Review / openocd.git / blobdiff