* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007-2010 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2009 SoftPLC Corporation *
#include <strings.h>
#endif
+/**
+ * @file
+ * Holds support for accessing JTAG-specific mechanisms from TCl scripts.
+ */
+
static const Jim_Nvp nvp_jtag_tap_event[] = {
{ .value = JTAG_TRST_ASSERTED, .name = "post-reset" },
{ .value = JTAG_TAP_EVENT_SETUP, .name = "setup" },
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_SetResultFormatted(interp, "Tap '%s' could not be found", cp);
+ return t;
+}
+
static bool scan_is_safe(tap_state_t state)
{
switch (state)
endstate = tap_state_by_name(cp);
if (endstate < 0) {
/* update the error message */
- Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
+ Jim_SetResultFormatted(interp,"endstate: %s invalid", cp);
} else {
if (!scan_is_safe(endstate))
LOG_WARNING("drscan with unsafe "
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;
+ void * t = malloc(DIV_ROUND_UP(bits, 8));
+ fields[field_count].out_value = t;
+ str_to_buf(str, len, t, bits, 0);
+ fields[field_count].in_value = t;
field_count++;
}
- jtag_add_dr_scan(num_fields, fields, endstate);
+ jtag_add_dr_scan(tap, num_fields, fields, endstate);
retval = jtag_execute_queue();
if (retval != ERROR_OK)
Jim_GetLong(interp, args[i], &bits);
str = buf_to_str(fields[field_count].in_value, bits, 16);
- free(fields[field_count].out_value);
+ free((void *)fields[field_count].out_value);
Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
free(str);
if (states[i] < 0)
{
/* update the error message */
- Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
+ Jim_SetResultFormatted(interp,"endstate: %s invalid", cp);
return JIM_ERR;
}
}
return JIM_OK;
}
+/* REVISIT Just what about these should "move" ... ?
+ * These registrations, into the main JTAG table?
+ *
+ * There's a minor compatibility issue, these all show up twice;
+ * that's not desirable:
+ * - jtag drscan ... NOT DOCUMENTED!
+ * - drscan ...
+ *
+ * The "irscan" command (for example) doesn't show twice.
+ */
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> ...",
+ .jim_handler = Jim_Command_drscan,
+ .help = "Execute Data Register (DR) scan for one TAP. "
+ "Other TAPs must be in BYPASS mode.",
+ .usage = "tap_name [num_bits value]* ['-endstate' state_name]",
},
{
.name = "flush_count",
.mode = COMMAND_EXEC,
- .jim_handler = &Jim_Command_flush_count,
- .help = "returns number of times the JTAG queue has been flushed",
+ .jim_handler = Jim_Command_flush_count,
+ .help = "Returns the 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.",
+ .jim_handler = Jim_Command_pathmove,
+ .usage = "start_state state1 [state2 [state3 ...]]",
+ .help = "Move JTAG state machine from current state "
+ "(start_state) to state1, then state2, state3, etc.",
},
COMMAND_REGISTRATION_DONE
};
return e;
break;
default:
- Jim_SetResult_sprintf(goi->interp, "unknown event: %s", n->name);
+ Jim_SetResultFormatted(goi->interp, "unknown event: %s", n->name);
return JIM_ERR;
}
}
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);
+ Jim_SetResultFormatted(goi->interp, "option: %s bad parameter", n->name);
return e;
}
uint32_t *new_expected_ids = malloc(expected_len + sizeof(uint32_t));
if (new_expected_ids == NULL)
{
- Jim_SetResult_sprintf(goi->interp, "no memory");
+ Jim_SetResultFormatted(goi->interp, "no memory");
return JIM_ERR;
}
#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)
int e = Jim_GetOpt_Wide(goi, &w);
if (e != JIM_OK)
{
- Jim_SetResult_sprintf(goi->interp,
+ Jim_SetResultFormatted(goi->interp,
"option: %s bad parameter", n->name);
free((void *)pTap->dotted_name);
return e;
{ .name = "-enable" , .value = NTAP_OPT_ENABLED },
{ .name = "-disable" , .value = NTAP_OPT_DISABLED },
{ .name = "-expected-id" , .value = NTAP_OPT_EXPECTED_ID },
+ { .name = "-ignore-version" , .value = NTAP_OPT_VERSION },
{ .name = NULL , .value = -1 },
};
pTap = calloc(1, sizeof(struct jtag_tap));
if (!pTap) {
- Jim_SetResult_sprintf(goi->interp, "no memory");
+ Jim_SetResultFormatted(goi->interp, "no memory");
return JIM_ERR;
}
* we expect CHIP + TAP + OPTIONS
* */
if (goi->argc < 3) {
- Jim_SetResult_sprintf(goi->interp, "Missing CHIP TAP OPTIONS ....");
+ Jim_SetResultFormatted(goi->interp, "Missing CHIP TAP OPTIONS ....");
free(pTap);
return JIM_ERR;
}
return e;
}
break;
+ case NTAP_OPT_VERSION:
+ pTap->ignore_version = true;
+ break;
} /* switch (n->value) */
} /* while (goi->argc) */
if (pTap->ir_length != 0)
{
jtag_tap_init(pTap);
- return ERROR_OK;
+ return JIM_OK;
}
- Jim_SetResult_sprintf(goi->interp,
+ Jim_SetResultFormatted(goi->interp,
"newtap: %s missing IR length",
pTap->dotted_name);
jtag_tap_free(pTap);
if (Jim_EvalObj(jteap->interp, jteap->body) != JIM_OK)
{
- Jim_PrintErrorMessage(jteap->interp);
+ Jim_MakeErrorMessage(jteap->interp);
+ LOG_USER_N("%s\n", Jim_GetString(Jim_GetResult(jteap->interp), NULL));
continue;
}
}
}
-static int jim_jtag_interface(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
-{
- Jim_GetOptInfo goi;
- Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 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;
-}
-
static int jim_jtag_arp_init(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
Jim_GetOptInfo goi;
Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
return JIM_ERR;
}
- struct command_context *context = Jim_GetAssocData(interp, "context");
+ struct command_context *context = current_command_context(interp);
int e = jtag_init_inner(context);
if (e != ERROR_OK) {
- Jim_SetResult_sprintf(goi.interp, "error: %d", e);
+ Jim_Obj *eObj = Jim_NewIntObj(goi.interp, e);
+ Jim_SetResultFormatted(goi.interp, "error: %#s", eObj);
+ Jim_FreeNewObj(goi.interp, eObj);
return JIM_ERR;
}
return JIM_OK;
Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
return JIM_ERR;
}
- struct command_context *context = Jim_GetAssocData(interp, "context");
+ struct command_context *context = current_command_context(interp);
int e = jtag_init_reset(context);
if (e != ERROR_OK) {
- Jim_SetResult_sprintf(goi.interp, "error: %d", e);
+ Jim_Obj *eObj = Jim_NewIntObj(goi.interp, e);
+ Jim_SetResultFormatted(goi.interp, "error: %#s", eObj);
+ Jim_FreeNewObj(goi.interp, eObj);
return JIM_ERR;
}
return JIM_OK;
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);
+ Jim_SetResultFormatted(goi.interp, "usage: %s <name>", cmd_name);
return JIM_ERR;
}
// do nothing, just return the value
} else if (strcasecmp(cmd_name, "tapenable") == 0) {
if (!jtag_tap_enable(t))
- LOG_WARNING("failed to disable tap");
+ LOG_WARNING("failed to enable tap %s", t->dotted_name);
} else if (strcasecmp(cmd_name, "tapdisable") == 0) {
if (!jtag_tap_disable(t))
- LOG_WARNING("failed to disable tap");
+ LOG_WARNING("failed to disable tap %s", t->dotted_name);
} else {
LOG_ERROR("command '%s' unknown", cmd_name);
return JIM_ERR;
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 = "interface",
+ .name = "init",
.mode = COMMAND_ANY,
- .jim_handler = &jim_jtag_interface,
- .help = "Returns the selected interface",
+ .handler = handle_jtag_init_command,
+ .help = "initialize jtag scan chain",
},
{
.name = "arp_init",
.mode = COMMAND_ANY,
- .jim_handler = &jim_jtag_arp_init,
+ .jim_handler = jim_jtag_arp_init,
+ .help = "Validates JTAG scan chain against the list of "
+ "declared TAPs using just the four standard JTAG "
+ "signals.",
},
{
.name = "arp_init-reset",
.mode = COMMAND_ANY,
- .jim_handler = &jim_jtag_arp_init_reset,
+ .jim_handler = jim_jtag_arp_init_reset,
+ .help = "Uses TRST and SRST to try resetting everything on "
+ "the JTAG scan chain, then performs 'jtag arp_init'."
},
{
.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]",
+ .jim_handler = jim_jtag_newtap,
+ .help = "Create a new TAP instance named basename.tap_type, "
+ "and appends it to the scan chain.",
+ .usage = "basename tap_type '-irlen' count "
+ "['-enable'|'-disable'] "
+ "['-expected_id' number] "
+ "['-ignore-version'] "
+ "['-ircapture' number] "
+ "['-mask' number] ",
},
{
.name = "tapisenabled",
.mode = COMMAND_EXEC,
- .jim_handler = &jim_jtag_tap_enabler,
- .help = "Returns a integer indicating TAP state (0/1)",
- .usage = "<name>",
+ .jim_handler = jim_jtag_tap_enabler,
+ .help = "Returns a Tcl boolean (0/1) indicating whether "
+ "the TAP is enabled (1) or not (0).",
+ .usage = "tap_name",
},
{
.name = "tapenable",
.mode = COMMAND_EXEC,
- .jim_handler = &jim_jtag_tap_enabler,
- .help = "Enable the specified TAP",
- .usage = "<name>",
+ .jim_handler = jim_jtag_tap_enabler,
+ .help = "Try to enable the specified TAP using the "
+ "'tap-enable' TAP event.",
+ .usage = "tap_name",
},
{
.name = "tapdisable",
.mode = COMMAND_EXEC,
- .jim_handler = &jim_jtag_tap_enabler,
- .help = "Enable the specified TAP",
- .usage = "<name>",
+ .jim_handler = jim_jtag_tap_enabler,
+ .help = "Try to disable the specified TAP using the "
+ "'tap-disable' TAP event.",
+ .usage = "tap_name",
},
{
.name = "configure",
.mode = COMMAND_EXEC,
- .jim_handler = &jim_jtag_configure,
- .help = "Enable the specified TAP",
- .usage = "<name> [<key> <value> ...]",
+ .jim_handler = jim_jtag_configure,
+ .help = "Provide a Tcl handler for the specified "
+ "TAP event.",
+ .usage = "tap_name '-event' event_name handler",
},
{
.name = "cget",
.mode = COMMAND_EXEC,
- .jim_handler = &jim_jtag_configure,
- .help = "Enable the specified TAP",
- .usage = "<name> [<key> <value> ...]",
+ .jim_handler = jim_jtag_configure,
+ .help = "Return any Tcl handler for the specified "
+ "TAP event.",
+ .usage = "tap_name '-event' event_name",
},
{
.name = "names",
.mode = COMMAND_ANY,
- .jim_handler = &jim_jtag_names,
- .help = "Returns list of all JTAG tap names",
+ .jim_handler = jim_jtag_names,
+ .help = "Returns list of all JTAG tap names.",
},
{
.chain = jtag_command_handlers_to_move,
}
-static int default_khz(int khz, int *jtag_speed)
-{
- LOG_ERROR("Translation from khz to jtag_speed not implemented");
- return ERROR_FAIL;
-}
-
-static int default_speed_div(int speed, int *khz)
-{
- LOG_ERROR("Translation from jtag_speed to khz not implemented");
- return ERROR_FAIL;
-}
-
-static int default_power_dropout(int *dropout)
-{
- *dropout = 0; /* by default we can't detect power dropout */
- return ERROR_OK;
-}
-
-static int default_srst_asserted(int *srst_asserted)
-{
- *srst_asserted = 0; /* by default we can't detect srst asserted */
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(handle_interface_list_command)
-{
- if (strcmp(CMD_NAME, "interface_list") == 0 && CMD_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)
- {
- LOG_WARNING("Interface already configured, ignoring");
- return ERROR_OK;
- }
-
- /* interface name is a mandatory argument */
- if (CMD_ARGC != 1 || CMD_ARGV[0][0] == '\0')
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
- {
- if (strcmp(CMD_ARGV[0], jtag_interfaces[i]->name) != 0)
- continue;
-
- 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];
-
- if (jtag_interface->khz == NULL)
- jtag_interface->khz = default_khz;
- if (jtag_interface->speed_div == NULL)
- jtag_interface->speed_div = default_speed_div;
- if (jtag_interface->power_dropout == NULL)
- jtag_interface->power_dropout = default_power_dropout;
- if (jtag_interface->srst_asserted == NULL)
- jtag_interface->srst_asserted = default_srst_asserted;
-
- return ERROR_OK;
- }
-
- /* no valid interface was found (i.e. the configuration option,
- * didn't match one of the compiled-in interfaces
- */
- LOG_ERROR("The specified JTAG interface was not found (%s)", CMD_ARGV[0]);
- CALL_COMMAND_HANDLER(handle_interface_list_command);
- return ERROR_JTAG_INVALID_INTERFACE;
-}
-
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;
return ERROR_OK;
}
-COMMAND_HANDLER(handle_reset_config_command)
-{
- int new_cfg = 0;
- int mask = 0;
-
- /* 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.
- *
- * Here we don't care about the order, and only change values
- * which have been explicitly specified.
- */
- for (; CMD_ARGC; CMD_ARGC--, CMD_ARGV++) {
- int tmp = 0;
- int m;
-
- /* gating */
- m = RESET_SRST_NO_GATING;
- if (strcmp(*CMD_ARGV, "srst_gates_jtag") == 0)
- /* default: don't use JTAG while SRST asserted */;
- else if (strcmp(*CMD_ARGV, "srst_nogate") == 0)
- tmp = RESET_SRST_NO_GATING;
- else
- m = 0;
- if (mask & m) {
- LOG_ERROR("extra reset_config %s spec (%s)",
- "gating", *CMD_ARGV);
- return ERROR_INVALID_ARGUMENTS;
- }
- if (m)
- goto next;
-
- /* signals */
- m = RESET_HAS_TRST | RESET_HAS_SRST;
- if (strcmp(*CMD_ARGV, "none") == 0)
- tmp = RESET_NONE;
- else if (strcmp(*CMD_ARGV, "trst_only") == 0)
- tmp = RESET_HAS_TRST;
- else if (strcmp(*CMD_ARGV, "srst_only") == 0)
- tmp = RESET_HAS_SRST;
- else if (strcmp(*CMD_ARGV, "trst_and_srst") == 0)
- tmp = RESET_HAS_TRST | RESET_HAS_SRST;
- else
- m = 0;
- if (mask & m) {
- LOG_ERROR("extra reset_config %s spec (%s)",
- "signal", *CMD_ARGV);
- return ERROR_INVALID_ARGUMENTS;
- }
- if (m)
- goto next;
-
- /* combination (options for broken wiring) */
- m = RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
- if (strcmp(*CMD_ARGV, "separate") == 0)
- /* separate reset lines - default */;
- else if (strcmp(*CMD_ARGV, "srst_pulls_trst") == 0)
- tmp |= RESET_SRST_PULLS_TRST;
- else if (strcmp(*CMD_ARGV, "trst_pulls_srst") == 0)
- tmp |= RESET_TRST_PULLS_SRST;
- else if (strcmp(*CMD_ARGV, "combined") == 0)
- tmp |= RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
- else
- m = 0;
- if (mask & m) {
- LOG_ERROR("extra reset_config %s spec (%s)",
- "combination", *CMD_ARGV);
- return ERROR_INVALID_ARGUMENTS;
- }
- if (m)
- goto next;
-
- /* trst_type (NOP without HAS_TRST) */
- m = RESET_TRST_OPEN_DRAIN;
- if (strcmp(*CMD_ARGV, "trst_open_drain") == 0)
- tmp |= RESET_TRST_OPEN_DRAIN;
- else if (strcmp(*CMD_ARGV, "trst_push_pull") == 0)
- /* push/pull from adapter - default */;
- else
- m = 0;
- if (mask & m) {
- LOG_ERROR("extra reset_config %s spec (%s)",
- "trst_type", *CMD_ARGV);
- return ERROR_INVALID_ARGUMENTS;
- }
- if (m)
- goto next;
-
- /* srst_type (NOP without HAS_SRST) */
- m |= RESET_SRST_PUSH_PULL;
- if (strcmp(*CMD_ARGV, "srst_push_pull") == 0)
- tmp |= RESET_SRST_PUSH_PULL;
- else if (strcmp(*CMD_ARGV, "srst_open_drain") == 0)
- /* open drain from adapter - default */;
- else
- m = 0;
- if (mask & m) {
- LOG_ERROR("extra reset_config %s spec (%s)",
- "srst_type", *CMD_ARGV);
- return ERROR_INVALID_ARGUMENTS;
- }
- if (m)
- goto next;
-
- /* caller provided nonsense; fail */
- LOG_ERROR("unknown reset_config flag (%s)", *CMD_ARGV);
- return ERROR_INVALID_ARGUMENTS;
-
-next:
- /* Remember the bits which were specified (mask)
- * and their new values (new_cfg).
- */
- mask |= m;
- new_cfg |= tmp;
- }
-
- /* clear previous values of those bits, save new values */
- 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;
-}
-
-COMMAND_HANDLER(handle_jtag_nsrst_delay_command)
-{
- if (CMD_ARGC > 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
- if (CMD_ARGC == 1)
- {
- unsigned delay;
- COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
-
- jtag_set_nsrst_delay(delay);
- }
- command_print(CMD_CTX, "jtag_nsrst_delay: %u", jtag_get_nsrst_delay());
- return ERROR_OK;
-}
-
COMMAND_HANDLER(handle_jtag_ntrst_delay_command)
{
if (CMD_ARGC > 1)
return ERROR_OK;
}
-COMMAND_HANDLER(handle_jtag_nsrst_assert_width_command)
-{
- if (CMD_ARGC > 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
- if (CMD_ARGC == 1)
- {
- unsigned delay;
- COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
-
- jtag_set_nsrst_assert_width(delay);
- }
- command_print(CMD_CTX, "jtag_nsrst_assert_width: %u", jtag_get_nsrst_assert_width());
- return ERROR_OK;
-}
-
COMMAND_HANDLER(handle_jtag_ntrst_assert_width_command)
{
if (CMD_ARGC > 1)
return ERROR_OK;
}
-COMMAND_HANDLER(handle_jtag_khz_command)
-{
- if (CMD_ARGC > 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- int retval = ERROR_OK;
- if (CMD_ARGC == 1)
- {
- unsigned khz = 0;
- COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], khz);
-
- retval = jtag_config_khz(khz);
- if (ERROR_OK != retval)
- return retval;
- }
-
- int cur_speed = jtag_get_speed_khz();
- retval = jtag_get_speed_readable(&cur_speed);
- if (ERROR_OK != retval)
- return retval;
-
- if (cur_speed)
- command_print(CMD_CTX, "%d kHz", cur_speed);
- else
- command_print(CMD_CTX, "RCLK - adaptive");
-
- return retval;
-}
-
COMMAND_HANDLER(handle_jtag_rclk_command)
{
if (CMD_ARGC > 1)
else
return ERROR_COMMAND_SYNTAX_ERROR;
- if (jtag_interface_init(CMD_CTX) != ERROR_OK)
+ if (adapter_init(CMD_CTX) != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
jtag_add_reset(trst, srst);
{
int i;
struct scan_field *fields;
- struct jtag_tap *tap;
+ struct jtag_tap *tap = NULL;
tap_state_t endstate;
if ((CMD_ARGC < 2) || (CMD_ARGC % 2))
}
int num_fields = CMD_ARGC / 2;
+ if (num_fields > 1)
+ {
+ /* we really should be looking at plain_ir_scan if we want
+ * anything more fancy.
+ */
+ LOG_ERROR("Specify a single value for tap");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
size_t fields_len = sizeof(struct scan_field) * num_fields;
fields = malloc(fields_len);
memset(fields, 0, fields_len);
{
int j;
for (j = 0; j < i; j++)
- free(fields[j].out_value);
+ free((void *)fields[j].out_value);
free(fields);
command_print(CMD_CTX, "Tap: %s unknown", CMD_ARGV[i*2]);
return ERROR_FAIL;
}
int field_size = tap->ir_length;
- fields[i].tap = tap;
fields[i].num_bits = field_size;
fields[i].out_value = malloc(DIV_ROUND_UP(field_size, 8));
retval = parse_u32(CMD_ARGV[i * 2 + 1], &value);
if (ERROR_OK != retval)
goto error_return;
- buf_set_u32(fields[i].out_value, 0, field_size, value);
+void *v = (void *)fields[i].out_value;
+ buf_set_u32(v, 0, field_size, value);
fields[i].in_value = NULL;
}
/* did we have an endstate? */
- jtag_add_ir_scan(num_fields, fields, endstate);
+ jtag_add_ir_scan(tap, fields, endstate);
retval = jtag_execute_queue();
for (i = 0; i < num_fields; i++)
{
if (NULL != fields[i].out_value)
- free(fields[i].out_value);
+ free((void *)fields[i].out_value);
}
free (fields);
return ERROR_OK;
}
+COMMAND_HANDLER(handle_jtag_flush_queue_sleep)
+{
+ if (CMD_ARGC != 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ int sleep_ms;
+ COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], sleep_ms);
+
+ jtag_set_flush_queue_sleep(sleep_ms);
+
+ return ERROR_OK;
+}
+
+
+
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,
+ .name = "jtag_flush_queue_sleep",
+ .handler = handle_jtag_flush_queue_sleep,
.mode = COMMAND_ANY,
- .help = "set maximum jtag speed (if supported)",
- .usage = "<khz:0=rtck>",
+ .help = "For debug purposes(simulate long delays of interface) "
+ "to test performance or change in behavior. Default 0ms.",
+ .usage = "[sleep in ms]",
},
{
.name = "jtag_rclk",
- .handler = &handle_jtag_rclk_command,
+ .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]",
- },
- {
- .name = "jtag_nsrst_delay",
- .handler = &handle_jtag_nsrst_delay_command,
- .mode = COMMAND_ANY,
- .help = "delay after deasserting srst in ms",
- .usage = "<ms>",
+ .help = "With an argument, change to to use adaptive clocking "
+ "if possible; else to use the fallback speed. "
+ "With or without argument, display current setting.",
+ .usage = "[fallback_speed_khz]",
},
{
.name = "jtag_ntrst_delay",
- .handler = &handle_jtag_ntrst_delay_command,
+ .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>"
+ .usage = "[milliseconds]",
},
{
.name = "jtag_ntrst_assert_width",
- .handler = &handle_jtag_ntrst_assert_width_command,
+ .handler = handle_jtag_ntrst_assert_width_command,
.mode = COMMAND_ANY,
.help = "delay after asserting trst in ms",
- .usage = "<ms>"
+ .usage = "[milliseconds]",
},
{
.name = "scan_chain",
- .handler = &handle_scan_chain_command,
- .mode = COMMAND_EXEC,
+ .handler = handle_scan_chain_command,
+ .mode = COMMAND_ANY,
.help = "print current scan chain configuration",
},
{
.name = "jtag_reset",
- .handler = &handle_jtag_reset_command,
+ .handler = handle_jtag_reset_command,
.mode = COMMAND_EXEC,
- .help = "toggle reset lines",
- .usage = "<trst> <srst>",
+ .help = "Set reset line values. Value '1' is active, "
+ "value '0' is inactive.",
+ .usage = "trst_active srst_active",
},
{
.name = "runtest",
- .handler = &handle_runtest_command,
+ .handler = handle_runtest_command,
.mode = COMMAND_EXEC,
- .help = "move to Run-Test/Idle, and execute <num_cycles>",
- .usage = "<num_cycles>"
+ .help = "Move to Run-Test/Idle, and issue TCK for num_cycles.",
+ .usage = "num_cycles"
},
{
.name = "irscan",
- .handler = &handle_irscan_command,
+ .handler = handle_irscan_command,
.mode = COMMAND_EXEC,
- .help = "execute IR scan",
- .usage = "<device> <instr> [dev2] [instr2] ...",
+ .help = "Execute Instruction Register (DR) scan. The "
+ "specified opcodes are put into each TAP's IR, "
+ "and other TAPs are put in BYPASS.",
+ .usage = "[tap_name instruction]* ['-endstate' state_name]",
},
{
.name = "verify_ircapture",
- .handler = &handle_verify_ircapture_command,
+ .handler = handle_verify_ircapture_command,
.mode = COMMAND_ANY,
- .help = "verify value captured during Capture-IR",
- .usage = "<enable | disable>",
+ .help = "Display or assign flag controlling whether to "
+ "verify values captured during Capture-IR.",
+ .usage = "['enable'|'disable']",
},
{
.name = "verify_jtag",
- .handler = &handle_verify_jtag_command,
+ .handler = handle_verify_jtag_command,
.mode = COMMAND_ANY,
- .help = "verify value capture",
- .usage = "<enable | disable>",
+ .help = "Display or assign flag controlling whether to "
+ "verify values captured during IR and DR scans.",
+ .usage = "['enable'|'disable']",
},
{
.name = "tms_sequence",
- .handler = &handle_tms_sequence_command,
+ .handler = handle_tms_sequence_command,
.mode = COMMAND_ANY,
- .help = "choose short(default) or long tms_sequence",
- .usage = "<short | long>",
+ .help = "Display or change what style TMS sequences to use "
+ "for JTAG state transitions: short (default) or "
+ "long. Only for working around JTAG bugs.",
+ /* Specifically for working around DRIVER bugs... */
+ .usage = "['short'|'long']",
},
{
.name = "jtag",
},
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