openocd: fix SPDX tag format for files .c
[fw/openocd] / src / jtag / tcl.c
index b634ac0db57211440248d3174a529f0e0fd02806..b1815b79da7d0796d4dbecc46d19f171be7caa77 100644 (file)
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /***************************************************************************
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
  *   Copyright (C) 2009 Zachary T Welch                                    *
  *   zw@superlucidity.net                                                  *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
+#include "adapter.h"
 #include "jtag.h"
+#include "swd.h"
 #include "minidriver.h"
 #include "interface.h"
 #include "interfaces.h"
+#include "tcl.h"
 
 #ifdef HAVE_STRINGS_H
 #include <strings.h>
 #endif
 
 #include <helper/time_support.h>
+#include "transport/transport.h"
 
 /**
  * @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" },
+static const struct 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" },
 
        { .name = NULL, .value = -1 }
 };
 
-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)
+       if (!cp)
                cp = "(unknown)";
-       if (NULL == t)
+       if (!t)
                Jim_SetResultFormatted(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;
+       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)
+static int jim_command_drscan(Jim_Interp *interp, int argc, Jim_Obj * const *args)
 {
        int retval;
        struct scan_field *fields;
@@ -102,28 +91,23 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args
        *     args[N-2] = "-endstate"
         *     args[N-1] = statename
         */
-       if ((argc < 4) || ((argc % 2) != 0))
-       {
+       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)
-       {
+       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) {
+               if (e == JIM_OK)
                        continue;
-               }
 
                /* Not valid.. are we at the end? */
                if (((i + 2) != argc)) {
@@ -139,7 +123,7 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args
                /* get arg as a string. */
                cp = Jim_GetString(args[i], NULL);
                /* is it the magic? */
-               if (0 == strcmp("-endstate", cp)) {
+               if (strcmp("-endstate", cp) == 0) {
                        /* is the statename valid? */
                        cp = Jim_GetString(args[i + 1], NULL);
 
@@ -147,11 +131,11 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args
                        endstate = tap_state_by_name(cp);
                        if (endstate < 0) {
                                /* update the error message */
-                               Jim_SetResultFormatted(interp,"endstate: %s invalid", cp);
+                               Jim_SetResultFormatted(interp, "endstate: %s invalid", cp);
                        } else {
                                if (!scan_is_safe(endstate))
                                        LOG_WARNING("drscan with unsafe "
-                                                       "endstate \"%s\"", cp);
+                                               "endstate \"%s\"", cp);
 
                                /* valid - so clear the error */
                                e = JIM_OK;
@@ -161,23 +145,23 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args
                }
 
                /* Still an error? */
-               if (e != JIM_OK) {
-                       return e; /* too bad */
-               }
-       } /* validate args */
+               if (e != JIM_OK)
+                       return e;       /* too bad */
+       }       /* validate args */
 
        assert(e == JIM_OK);
 
        tap = jtag_tap_by_jim_obj(interp, args[1]);
-       if (tap == NULL) {
+       if (!tap)
                return JIM_ERR;
-       }
 
        num_fields = (argc-2)/2;
-       assert(num_fields > 0);
+       if (num_fields <= 0) {
+               Jim_SetResultString(interp, "drscan: no scan fields supplied", -1);
+               return JIM_ERR;
+       }
        fields = malloc(sizeof(struct scan_field) * num_fields);
-       for (i = 2; i < argc; i += 2)
-       {
+       for (i = 2; i < argc; i += 2) {
                long bits;
                int len;
                const char *str;
@@ -186,7 +170,7 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args
                str = Jim_GetString(args[i + 1], &len);
 
                fields[field_count].num_bits = bits;
-               void * t = malloc(DIV_ROUND_UP(bits, 8));
+               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;
@@ -196,22 +180,25 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args
        jtag_add_dr_scan(tap, num_fields, fields, endstate);
 
        retval = jtag_execute_queue();
-       if (retval != ERROR_OK)
-       {
-               Jim_SetResultString(interp, "drscan: jtag execute failed",-1);
+       if (retval != ERROR_OK) {
+               Jim_SetResultString(interp, "drscan: jtag execute failed", -1);
+
+               for (i = 0; i < field_count; i++)
+                       free(fields[i].in_value);
+               free(fields);
+
                return JIM_ERR;
        }
 
        field_count = 0;
        Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
-       for (i = 2; i < argc; i += 2)
-       {
+       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((void *)fields[field_count].out_value);
+               str = buf_to_hex_str(fields[field_count].in_value, bits);
+               free(fields[field_count].in_value);
 
                Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
                free(str);
@@ -226,43 +213,36 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args
 }
 
 
-static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *args)
+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)))
-       {
+       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++)
-       {
+       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)
-               {
+               if (states[i] < 0) {
                        /* update the error message */
-                       Jim_SetResultFormatted(interp,"endstate: %s invalid", cp);
+                       Jim_SetResultFormatted(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);
+       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);
+       jtag_add_pathmove(argc - 2, states + 1);
 
-       if (jtag_execute_queue()!= ERROR_OK)
-       {
-               Jim_SetResultString(interp, "pathmove: failed",-1);
+       if (jtag_execute_queue() != ERROR_OK) {
+               Jim_SetResultString(interp, "pathmove: failed", -1);
                return JIM_ERR;
        }
 
@@ -270,10 +250,8 @@ static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *ar
 }
 
 
-static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args)
+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;
@@ -293,7 +271,7 @@ static const struct command_registration jtag_command_handlers_to_move[] = {
        {
                .name = "drscan",
                .mode = COMMAND_EXEC,
-               .jim_handler = Jim_Command_drscan,
+               .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]",
@@ -301,14 +279,14 @@ static const struct command_registration jtag_command_handlers_to_move[] = {
        {
                .name = "flush_count",
                .mode = COMMAND_EXEC,
-               .jim_handler = Jim_Command_flush_count,
+               .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,
+               .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.",
@@ -318,34 +296,37 @@ static const struct command_registration jtag_command_handlers_to_move[] = {
 
 
 enum jtag_tap_cfg_param {
-       JCFG_EVENT
+       JCFG_EVENT,
+       JCFG_IDCODE,
 };
 
-static Jim_Nvp nvp_config_opts[] = {
+static struct jim_nvp nvp_config_opts[] = {
        { .name = "-event",      .value = JCFG_EVENT },
+       { .name = "-idcode",     .value = JCFG_IDCODE },
 
        { .name = NULL,          .value = -1 }
 };
 
-static int jtag_tap_configure_event(Jim_GetOptInfo *goi, struct jtag_tap * tap)
+static int jtag_tap_configure_event(struct jim_getopt_info *goi, struct jtag_tap *tap)
 {
-       if (goi->argc == 0)
-       {
+       if (goi->argc == 0) {
                Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event <event-name> ...");
                return JIM_ERR;
        }
 
-       Jim_Nvp *n;
-       int e = Jim_GetOpt_Nvp(goi, nvp_jtag_tap_event, &n);
-       if (e != JIM_OK)
-       {
-               Jim_GetOpt_NvpUnknown(goi, nvp_jtag_tap_event, 1);
+       struct jim_nvp *n;
+       int e = jim_getopt_nvp(goi, nvp_jtag_tap_event, &n);
+       if (e != JIM_OK) {
+               jim_getopt_nvp_unknown(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>");
+                       Jim_WrongNumArgs(goi->interp,
+                               goi->argc,
+                               goi->argv,
+                               "-event <event-name> <event-body>");
                        return JIM_ERR;
                }
        } else {
@@ -358,10 +339,8 @@ static int jtag_tap_configure_event(Jim_GetOptInfo *goi, struct jtag_tap * tap)
        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)
-               {
+       while (jteap) {
+               if (jteap->event == (enum jtag_event)n->value) {
                        found = true;
                        break;
                }
@@ -370,30 +349,26 @@ static int jtag_tap_configure_event(Jim_GetOptInfo *goi, struct jtag_tap * tap)
 
        Jim_SetEmptyResult(goi->interp);
 
-       if (goi->isconfigure)
-       {
+       if (goi->isconfigure) {
                if (!found)
                        jteap = calloc(1, sizeof(*jteap));
-               else if (NULL != jteap->body)
+               else if (jteap->body)
                        Jim_DecrRefCount(goi->interp, jteap->body);
 
                jteap->interp = goi->interp;
                jteap->event = n->value;
 
                Jim_Obj *o;
-               Jim_GetOpt_Obj(goi, &o);
+               jim_getopt_obj(goi, &o);
                jteap->body = Jim_DuplicateObj(goi->interp, o);
                Jim_IncrRefCount(jteap->body);
 
-               if (!found)
-               {
+               if (!found) {
                        /* add to head of event list */
                        jteap->next = tap->event_action;
                        tap->event_action = jteap;
                }
-       }
-       else if (found)
-       {
+       } else if (found) {
                jteap->interp = goi->interp;
                Jim_SetResult(goi->interp,
                        Jim_DuplicateObj(goi->interp, jteap->body));
@@ -401,31 +376,43 @@ static int jtag_tap_configure_event(Jim_GetOptInfo *goi, struct jtag_tap * tap)
        return JIM_OK;
 }
 
-static int jtag_tap_configure_cmd(Jim_GetOptInfo *goi, struct jtag_tap * tap)
+static int jtag_tap_configure_cmd(struct jim_getopt_info *goi, struct jtag_tap *tap)
 {
        /* parse config or cget options */
-       while (goi->argc > 0)
-       {
-               Jim_SetEmptyResult (goi->interp);
+       while (goi->argc > 0) {
+               Jim_SetEmptyResult(goi->interp);
 
-               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);
+               struct jim_nvp *n;
+               int e = jim_getopt_nvp(goi, nvp_config_opts, &n);
+               if (e != JIM_OK) {
+                       jim_getopt_nvp_unknown(goi, nvp_config_opts, 0);
                        return e;
                }
 
-               switch (n->value)
-               {
-               case JCFG_EVENT:
-                       e = jtag_tap_configure_event(goi, tap);
-                       if (e != JIM_OK)
-                               return e;
-                       break;
-               default:
-                       Jim_SetResultFormatted(goi->interp, "unknown event: %s", n->name);
-                       return JIM_ERR;
+               switch (n->value) {
+                       case JCFG_EVENT:
+                               e = jtag_tap_configure_event(goi, tap);
+                               if (e != JIM_OK)
+                                       return e;
+                               break;
+                       case JCFG_IDCODE:
+                               if (goi->isconfigure) {
+                                       Jim_SetResultFormatted(goi->interp,
+                                                       "not settable: %s", n->name);
+                                       return JIM_ERR;
+                               } else {
+                                       if (goi->argc != 0) {
+                                               Jim_WrongNumArgs(goi->interp,
+                                                               goi->argc, goi->argv,
+                                                               "NO PARAMS");
+                                               return JIM_ERR;
+                                       }
+                               }
+                               Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, tap->idcode));
+                               break;
+                       default:
+                               Jim_SetResultFormatted(goi->interp, "unknown value: %s", n->name);
+                               return JIM_ERR;
                }
        }
 
@@ -442,31 +429,25 @@ static int is_bad_irval(int ir_length, jim_wide w)
        return (w & v) != 0;
 }
 
-static int jim_newtap_expected_id(Jim_Nvp *n, Jim_GetOptInfo *goi,
-               struct jtag_tap *pTap)
+static int jim_newtap_expected_id(struct jim_nvp *n, struct jim_getopt_info *goi,
+       struct jtag_tap *tap)
 {
        jim_wide w;
-       int e = Jim_GetOpt_Wide(goi, &w);
+       int e = jim_getopt_wide(goi, &w);
        if (e != JIM_OK) {
                Jim_SetResultFormatted(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)
-       {
+       uint32_t *p = realloc(tap->expected_ids,
+                             (tap->expected_ids_cnt + 1) * sizeof(uint32_t));
+       if (!p) {
                Jim_SetResultFormatted(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++;
+       tap->expected_ids = p;
+       tap->expected_ids[tap->expected_ids_cnt++] = w;
 
        return JIM_OK;
 }
@@ -478,78 +459,75 @@ static int jim_newtap_expected_id(Jim_Nvp *n, Jim_GetOptInfo *goi,
 #define NTAP_OPT_DISABLED  4
 #define NTAP_OPT_EXPECTED_ID 5
 #define NTAP_OPT_VERSION   6
+#define NTAP_OPT_BYPASS    7
 
-static int jim_newtap_ir_param(Jim_Nvp *n, Jim_GetOptInfo *goi,
-               struct jtag_tap *pTap)
+static int jim_newtap_ir_param(struct jim_nvp *n, struct jim_getopt_info *goi,
+       struct jtag_tap *tap)
 {
        jim_wide w;
-       int e = Jim_GetOpt_Wide(goi, &w);
-       if (e != JIM_OK)
-       {
+       int e = jim_getopt_wide(goi, &w);
+       if (e != JIM_OK) {
                Jim_SetResultFormatted(goi->interp,
-                               "option: %s bad parameter", n->name);
-               free((void *)pTap->dotted_name);
+                       "option: %s bad parameter", n->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;
+           case NTAP_OPT_IRLEN:
+                   if (w > (jim_wide) (8 * sizeof(tap->ir_capture_value))) {
+                           LOG_WARNING("%s: huge IR length %d",
+                                   tap->dotted_name, (int) w);
+                   }
+                   tap->ir_length = w;
+                   break;
+           case NTAP_OPT_IRMASK:
+                   if (is_bad_irval(tap->ir_length, w)) {
+                           LOG_ERROR("%s: IR mask %x too big",
+                                   tap->dotted_name,
+                                   (int) w);
+                           return JIM_ERR;
+                   }
+                   if ((w & 3) != 3)
+                           LOG_WARNING("%s: nonstandard IR mask", tap->dotted_name);
+                   tap->ir_capture_mask = w;
+                   break;
+           case NTAP_OPT_IRCAPTURE:
+                   if (is_bad_irval(tap->ir_length, w)) {
+                           LOG_ERROR("%s: IR capture %x too big",
+                                   tap->dotted_name, (int) w);
+                           return JIM_ERR;
+                   }
+                   if ((w & 3) != 1)
+                           LOG_WARNING("%s: nonstandard IR value",
+                                   tap->dotted_name);
+                   tap->ir_capture_value = w;
+                   break;
+           default:
+                   return JIM_ERR;
        }
        return JIM_OK;
 }
 
-static int jim_newtap_cmd(Jim_GetOptInfo *goi)
+static int jim_newtap_cmd(struct jim_getopt_info *goi)
 {
-       struct jtag_tap *pTap;
+       struct jtag_tap *tap;
        int x;
        int e;
-       Jim_Nvp *n;
+       struct jim_nvp *n;
        char *cp;
-       const Jim_Nvp opts[] = {
-               { .name = "-irlen"                      ,       .value = NTAP_OPT_IRLEN },
-               { .name = "-irmask"                     ,       .value = NTAP_OPT_IRMASK },
-               { .name = "-ircapture"          ,       .value = NTAP_OPT_IRCAPTURE },
-               { .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 },
+       const struct jim_nvp opts[] = {
+               { .name = "-irlen",       .value = NTAP_OPT_IRLEN },
+               { .name = "-irmask",       .value = NTAP_OPT_IRMASK },
+               { .name = "-ircapture",       .value = NTAP_OPT_IRCAPTURE },
+               { .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 = "-ignore-bypass",       .value = NTAP_OPT_BYPASS },
+               { .name = NULL,       .value = -1 },
        };
 
-       pTap = calloc(1, sizeof(struct jtag_tap));
-       if (!pTap) {
+       tap = calloc(1, sizeof(struct jtag_tap));
+       if (!tap) {
                Jim_SetResultFormatted(goi->interp, "no memory");
                return JIM_ERR;
        }
@@ -559,133 +537,144 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
         * */
        if (goi->argc < 3) {
                Jim_SetResultFormatted(goi->interp, "Missing CHIP TAP OPTIONS ....");
-               free(pTap);
+               free(tap);
                return JIM_ERR;
        }
-       Jim_GetOpt_String(goi, &cp, NULL);
-       pTap->chip = strdup(cp);
 
-       Jim_GetOpt_String(goi, &cp, NULL);
-       pTap->tapname = strdup(cp);
+       const char *tmp;
+       jim_getopt_string(goi, &tmp, NULL);
+       tap->chip = strdup(tmp);
+
+       jim_getopt_string(goi, &tmp, NULL);
+       tap->tapname = strdup(tmp);
 
        /* name + dot + name + null */
-       x = strlen(pTap->chip) + 1 + strlen(pTap->tapname) + 1;
+       x = strlen(tap->chip) + 1 + strlen(tap->tapname) + 1;
        cp = malloc(x);
-       sprintf(cp, "%s.%s", pTap->chip, pTap->tapname);
-       pTap->dotted_name = cp;
+       sprintf(cp, "%s.%s", tap->chip, tap->tapname);
+       tap->dotted_name = cp;
 
        LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params",
-                         pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc);
+               tap->chip, tap->tapname, tap->dotted_name, goi->argc);
+
+       if (!transport_is_jtag()) {
+               /* SWD doesn't require any JTAG tap parameters */
+               tap->enabled = true;
+               jtag_tap_init(tap);
+               return JIM_OK;
+       }
 
        /* IEEE specifies that the two LSBs of an IR scan are 01, so make
-        * that the default.  The "-irlen" and "-irmask" options are only
+        * that the default.  The "-ircapture" 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;
+       tap->ir_capture_mask = 0x03;
+       tap->ir_capture_value = 0x01;
 
        while (goi->argc) {
-               e = Jim_GetOpt_Nvp(goi, opts, &n);
+               e = jim_getopt_nvp(goi, opts, &n);
                if (e != JIM_OK) {
-                       Jim_GetOpt_NvpUnknown(goi, opts, 0);
-                       free((void *)pTap->dotted_name);
-                       free(pTap);
+                       jim_getopt_nvp_unknown(goi, opts, 0);
+                       free(cp);
+                       free(tap);
                        return e;
                }
                LOG_DEBUG("Processing option: %s", n->name);
                switch (n->value) {
-               case NTAP_OPT_ENABLED:
-                       pTap->disabled_after_reset = false;
-                       break;
-               case NTAP_OPT_DISABLED:
-                       pTap->disabled_after_reset = true;
-                       break;
-               case NTAP_OPT_EXPECTED_ID:
-                       e = jim_newtap_expected_id(n, goi, pTap);
-                       if (JIM_OK != e)
-                       {
-                               free((void *)pTap->dotted_name);
-                               free(pTap);
-                               return e;
-                       }
-                       break;
-               case NTAP_OPT_IRLEN:
-               case NTAP_OPT_IRMASK:
-               case NTAP_OPT_IRCAPTURE:
-                       e = jim_newtap_ir_param(n, goi, pTap);
-                       if (JIM_OK != e)
-                       {
-                               free((void *)pTap->dotted_name);
-                               free(pTap);
-                               return e;
-                       }
-                       break;
-               case NTAP_OPT_VERSION:
-                       pTap->ignore_version = true;
-                       break;
-               } /* switch (n->value) */
-       } /* while (goi->argc) */
+                   case NTAP_OPT_ENABLED:
+                           tap->disabled_after_reset = false;
+                           break;
+                   case NTAP_OPT_DISABLED:
+                           tap->disabled_after_reset = true;
+                           break;
+                   case NTAP_OPT_EXPECTED_ID:
+                           e = jim_newtap_expected_id(n, goi, tap);
+                           if (e != JIM_OK) {
+                                   free(cp);
+                                   free(tap);
+                                   return e;
+                           }
+                           break;
+                   case NTAP_OPT_IRLEN:
+                   case NTAP_OPT_IRMASK:
+                   case NTAP_OPT_IRCAPTURE:
+                           e = jim_newtap_ir_param(n, goi, tap);
+                           if (e != JIM_OK) {
+                                   free(cp);
+                                   free(tap);
+                                   return e;
+                           }
+                           break;
+                   case NTAP_OPT_VERSION:
+                           tap->ignore_version = true;
+                           break;
+                   case NTAP_OPT_BYPASS:
+                           tap->ignore_bypass = true;
+                           break;
+               }       /* switch (n->value) */
+       }       /* while (goi->argc) */
 
        /* default is enabled-after-reset */
-       pTap->enabled = !pTap->disabled_after_reset;
+       tap->enabled = !tap->disabled_after_reset;
 
        /* Did all the required option bits get cleared? */
-       if (pTap->ir_length != 0)
-       {
-               jtag_tap_init(pTap);
+       if (tap->ir_length != 0) {
+               jtag_tap_init(tap);
                return JIM_OK;
        }
 
        Jim_SetResultFormatted(goi->interp,
-                       "newtap: %s missing IR length",
-                       pTap->dotted_name);
-       jtag_tap_free(pTap);
+               "newtap: %s missing IR length",
+               tap->dotted_name);
+       jtag_tap_free(tap);
        return JIM_ERR;
 }
 
 static void jtag_tap_handle_event(struct jtag_tap *tap, enum jtag_event e)
 {
-       struct jtag_tap_event_action * jteap;
+       struct jtag_tap_event_action *jteap;
+       int retval;
 
-       for (jteap = tap->event_action; jteap != NULL; jteap = jteap->next)
-       {
+       for (jteap = tap->event_action; jteap; jteap = jteap->next) {
                if (jteap->event != e)
                        continue;
 
-               Jim_Nvp *nvp = Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e);
+               struct 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));
+                       tap->dotted_name, e, nvp->name,
+                       Jim_GetString(jteap->body, NULL));
 
-               if (Jim_EvalObj(jteap->interp, jteap->body) != JIM_OK)
-               {
+               retval = Jim_EvalObj(jteap->interp, jteap->body);
+               if (retval == JIM_RETURN)
+                       retval = jteap->interp->returnCode;
+
+               if (retval != JIM_OK) {
                        Jim_MakeErrorMessage(jteap->interp);
                        LOG_USER("%s", Jim_GetString(Jim_GetResult(jteap->interp), NULL));
                        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,
+               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;
+                           break;
+                   default:
+                           break;
                }
        }
 }
 
 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);
+       struct jim_getopt_info 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;
@@ -693,9 +682,8 @@ static int jim_jtag_arp_init(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
        struct command_context *context = current_command_context(interp);
        int e = jtag_init_inner(context);
        if (e != ERROR_OK) {
-               Jim_Obj *eObj = Jim_NewIntObj(goi.interp, e);
-               Jim_SetResultFormatted(goi.interp, "error: %#s", eObj);
-               Jim_FreeNewObj(goi.interp, eObj);
+               Jim_Obj *obj = Jim_NewIntObj(goi.interp, e);
+               Jim_SetResultFormatted(goi.interp, "error: %#s", obj);
                return JIM_ERR;
        }
        return JIM_OK;
@@ -703,18 +691,22 @@ static int jim_jtag_arp_init(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 
 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);
+       int e = ERROR_OK;
+       struct jim_getopt_info 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 = current_command_context(interp);
-       int e = jtag_init_reset(context);
+       if (transport_is_jtag())
+               e = jtag_init_reset(context);
+       else if (transport_is_swd())
+               e = swd_init_reset(context);
+
        if (e != ERROR_OK) {
-               Jim_Obj *eObj = Jim_NewIntObj(goi.interp, e);
-               Jim_SetResultFormatted(goi.interp, "error: %#s", eObj);
-               Jim_FreeNewObj(goi.interp, eObj);
+               Jim_Obj *obj = Jim_NewIntObj(goi.interp, e);
+               Jim_SetResultFormatted(goi.interp, "error: %#s", obj);
                return JIM_ERR;
        }
        return JIM_OK;
@@ -722,8 +714,8 @@ static int jim_jtag_arp_init_reset(Jim_Interp *interp, int argc, Jim_Obj *const
 
 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);
+       struct jim_getopt_info goi;
+       jim_getopt_setup(&goi, interp, argc-1, argv + 1);
        return jim_newtap_cmd(&goi);
 }
 
@@ -758,11 +750,12 @@ static bool jtag_tap_disable(struct jtag_tap *t)
        return true;
 }
 
-static int jim_jtag_tap_enabler(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+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);
+       struct command *c = jim_to_command(interp);
+       const char *cmd_name = c->name;
+       struct jim_getopt_info goi;
+       jim_getopt_setup(&goi, interp, argc-1, argv + 1);
        if (goi.argc != 1) {
                Jim_SetResultFormatted(goi.interp, "usage: %s <name>", cmd_name);
                return JIM_ERR;
@@ -771,21 +764,21 @@ static int jim_jtag_tap_enabler(Jim_Interp *interp, int argc, Jim_Obj *const *ar
        struct jtag_tap *t;
 
        t = jtag_tap_by_jim_obj(goi.interp, goi.argv[0]);
-       if (t == NULL)
+       if (!t)
                return JIM_ERR;
 
        if (strcasecmp(cmd_name, "tapisenabled") == 0) {
-               // do nothing, just return the value
+               /* do nothing, just return the value */
        } else if (strcasecmp(cmd_name, "tapenable") == 0) {
-               if (!jtag_tap_enable(t)){
+               if (!jtag_tap_enable(t)) {
                        LOG_WARNING("failed to enable tap %s", t->dotted_name);
-                        return JIM_ERR;
-                }
+                       return JIM_ERR;
+               }
        } else if (strcasecmp(cmd_name, "tapdisable") == 0) {
-               if (!jtag_tap_disable(t)){
+               if (!jtag_tap_disable(t)) {
                        LOG_WARNING("failed to disable tap %s", t->dotted_name);
-                        return JIM_ERR;
-                }
+                       return JIM_ERR;
+               }
        } else {
                LOG_ERROR("command '%s' unknown", cmd_name);
                return JIM_ERR;
@@ -795,34 +788,34 @@ static int jim_jtag_tap_enabler(Jim_Interp *interp, int argc, Jim_Obj *const *ar
        return JIM_OK;
 }
 
-static int jim_jtag_configure(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+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);
+       struct command *c = jim_to_command(interp);
+       const char *cmd_name = c->name;
+       struct jim_getopt_info 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> ...");
+                       "<tap_name> <attribute> ...");
                return JIM_ERR;
        }
 
        struct jtag_tap *t;
 
        Jim_Obj *o;
-       Jim_GetOpt_Obj(&goi, &o);
+       jim_getopt_obj(&goi, &o);
        t = jtag_tap_by_jim_obj(goi.interp, o);
-       if (t == NULL) {
+       if (!t)
                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);
+       struct jim_getopt_info 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;
@@ -844,9 +837,8 @@ COMMAND_HANDLER(handle_jtag_init_command)
        if (CMD_ARGC != 0)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       static bool jtag_initialized = false;
-       if (jtag_initialized)
-       {
+       static bool jtag_initialized;
+       if (jtag_initialized) {
                LOG_INFO("'jtag init' has already been called");
                return ERROR_OK;
        }
@@ -862,6 +854,7 @@ static const struct command_registration jtag_subcommand_handlers[] = {
                .mode = COMMAND_ANY,
                .handler = handle_jtag_init_command,
                .help = "initialize jtag scan chain",
+               .usage = ""
        },
        {
                .name = "arp_init",
@@ -888,8 +881,9 @@ static const struct command_registration jtag_subcommand_handlers[] = {
                        "['-enable'|'-disable'] "
                        "['-expected_id' number] "
                        "['-ignore-version'] "
+                       "['-ignore-bypass'] "
                        "['-ircapture' number] "
-                       "['-mask' number] ",
+                       "['-mask' number]",
        },
        {
                .name = "tapisenabled",
@@ -917,7 +911,7 @@ static const struct command_registration jtag_subcommand_handlers[] = {
        },
        {
                .name = "configure",
-               .mode = COMMAND_EXEC,
+               .mode = COMMAND_ANY,
                .jim_handler = jim_jtag_configure,
                .help = "Provide a Tcl handler for the specified "
                        "TAP event.",
@@ -958,44 +952,44 @@ COMMAND_HANDLER(handle_scan_chain_command)
        char expected_id[12];
 
        tap = jtag_all_taps();
-       command_print(CMD_CTX,
-"   TapName             Enabled  IdCode     Expected   IrLen IrCap IrMask");
-       command_print(CMD_CTX,
-"-- ------------------- -------- ---------- ---------- ----- ----- ------");
+       command_print(CMD,
+               "   TapName             Enabled  IdCode     Expected   IrLen IrCap IrMask");
+       command_print(CMD,
+               "-- ------------------- -------- ---------- ---------- ----- ----- ------");
 
        while (tap) {
                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));
+               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);
 
-               command_print(CMD_CTX,
-       "%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),
-                                         expected_id,
-                                         (unsigned int)(tap->ir_length),
-                                         (unsigned int)(expected),
-                                         (unsigned int)(expected_mask));
+               command_print(CMD,
+                       "%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),
+                       expected_id,
+                       (unsigned int)(tap->ir_length),
+                       (unsigned int)(expected),
+                       (unsigned int)(expected_mask));
 
                for (ii = 1; ii < tap->expected_ids_cnt; ii++) {
-                       snprintf(expected_id, sizeof expected_id, "0x%08x",
-                                       (unsigned) tap->expected_ids[1]);
+                       snprintf(expected_id, sizeof(expected_id), "0x%08x",
+                               (unsigned) tap->expected_ids[ii]);
                        if (tap->ignore_version)
                                expected_id[2] = '*';
 
-                       command_print(CMD_CTX,
-       "                                           %s",
-                                                 expected_id);
+                       command_print(CMD,
+                               "                                           %s",
+                               expected_id);
                }
 
                tap = tap->next_tap;
@@ -1008,14 +1002,13 @@ COMMAND_HANDLER(handle_jtag_ntrst_delay_command)
 {
        if (CMD_ARGC > 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
-       if (CMD_ARGC == 1)
-       {
+       if (CMD_ARGC == 1) {
                unsigned delay;
                COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
 
                jtag_set_ntrst_delay(delay);
        }
-       command_print(CMD_CTX, "jtag_ntrst_delay: %u", jtag_get_ntrst_delay());
+       command_print(CMD, "jtag_ntrst_delay: %u", jtag_get_ntrst_delay());
        return ERROR_OK;
 }
 
@@ -1023,14 +1016,13 @@ COMMAND_HANDLER(handle_jtag_ntrst_assert_width_command)
 {
        if (CMD_ARGC > 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
-       if (CMD_ARGC == 1)
-       {
+       if (CMD_ARGC == 1) {
                unsigned delay;
                COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
 
                jtag_set_ntrst_assert_width(delay);
        }
-       command_print(CMD_CTX, "jtag_ntrst_assert_width: %u", jtag_get_ntrst_assert_width());
+       command_print(CMD, "jtag_ntrst_assert_width: %u", jtag_get_ntrst_assert_width());
        return ERROR_OK;
 }
 
@@ -1040,57 +1032,28 @@ COMMAND_HANDLER(handle_jtag_rclk_command)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
        int retval = ERROR_OK;
-       if (CMD_ARGC == 1)
-       {
+       if (CMD_ARGC == 1) {
                unsigned khz = 0;
                COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], khz);
 
-               retval = jtag_config_rclk(khz);
-               if (ERROR_OK != retval)
+               retval = adapter_config_rclk(khz);
+               if (retval != ERROR_OK)
                        return retval;
        }
 
-       int cur_khz = jtag_get_speed_khz();
-       retval = jtag_get_speed_readable(&cur_khz);
-       if (ERROR_OK != retval)
+       int cur_khz = adapter_get_speed_khz();
+       retval = adapter_get_speed_readable(&cur_khz);
+       if (retval != ERROR_OK)
                return retval;
 
        if (cur_khz)
-               command_print(CMD_CTX, "RCLK not supported - fallback to %d kHz", cur_khz);
+               command_print(CMD, "RCLK not supported - fallback to %d kHz", cur_khz);
        else
-               command_print(CMD_CTX, "RCLK - adaptive");
+               command_print(CMD, "RCLK - adaptive");
 
        return retval;
 }
 
-COMMAND_HANDLER(handle_jtag_reset_command)
-{
-       if (CMD_ARGC != 2)
-               return ERROR_COMMAND_SYNTAX_ERROR;
-
-       int trst = -1;
-       if (CMD_ARGV[0][0] == '1')
-               trst = 1;
-       else if (CMD_ARGV[0][0] == '0')
-               trst = 0;
-       else
-               return ERROR_COMMAND_SYNTAX_ERROR;
-
-       int srst = -1;
-       if (CMD_ARGV[1][0] == '1')
-               srst = 1;
-       else if (CMD_ARGV[1][0] == '0')
-               srst = 0;
-       else
-               return ERROR_COMMAND_SYNTAX_ERROR;
-
-       if (adapter_init(CMD_CTX) != ERROR_OK)
-               return ERROR_JTAG_INIT_FAILED;
-
-       jtag_add_reset(trst, srst);
-       return jtag_execute_queue();
-}
-
 COMMAND_HANDLER(handle_runtest_command)
 {
        if (CMD_ARGC != 1)
@@ -1119,9 +1082,7 @@ COMMAND_HANDLER(handle_irscan_command)
        tap_state_t endstate;
 
        if ((CMD_ARGC < 2) || (CMD_ARGC % 2))
-       {
                return ERROR_COMMAND_SYNTAX_ERROR;
-       }
 
        /* optional "-endstate" "statename" at the end of the arguments,
         * so that e.g. IRPAUSE can let us load the data register before
@@ -1130,22 +1091,21 @@ COMMAND_HANDLER(handle_irscan_command)
        endstate = TAP_IDLE;
 
        if (CMD_ARGC >= 4) {
-               /* have at least one pair of numbers. */
-               /* is last pair the magic text? */
+               /* have at least one pair of numbers.
+                * is last pair the magic text? */
                if (strcmp("-endstate", CMD_ARGV[CMD_ARGC - 2]) == 0) {
                        endstate = tap_state_by_name(CMD_ARGV[CMD_ARGC - 1]);
                        if (endstate == TAP_INVALID)
                                return ERROR_COMMAND_SYNTAX_ERROR;
                        if (!scan_is_safe(endstate))
                                LOG_WARNING("unstable irscan endstate \"%s\"",
-                                               CMD_ARGV[CMD_ARGC - 1]);
+                                       CMD_ARGV[CMD_ARGC - 1]);
                        CMD_ARGC -= 2;
                }
        }
 
        int num_fields = CMD_ARGC / 2;
-       if (num_fields > 1)
-       {
+       if (num_fields > 1) {
                /* we really should be looking at plain_ir_scan if we want
                 * anything more fancy.
                 */
@@ -1153,34 +1113,32 @@ COMMAND_HANDLER(handle_irscan_command)
                return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
-       size_t fields_len = sizeof(struct scan_field) * num_fields;
-       fields = malloc(fields_len);
-       memset(fields, 0, fields_len);
+       fields = calloc(num_fields, sizeof(*fields));
 
        int retval;
-       for (i = 0; i < num_fields; i++)
-       {
+       for (i = 0; i < num_fields; i++) {
                tap = jtag_tap_by_string(CMD_ARGV[i*2]);
-               if (tap == NULL)
-               {
-                       int j;
-                       for (j = 0; j < i; j++)
-                               free((void *)fields[j].out_value);
-                        free(fields);
-                       command_print(CMD_CTX, "Tap: %s unknown", CMD_ARGV[i*2]);
+               if (!tap) {
+                       free(fields);
+                       command_print(CMD, "Tap: %s unknown", CMD_ARGV[i*2]);
 
                        return ERROR_FAIL;
                }
+               uint64_t value;
+               retval = parse_u64(CMD_ARGV[i * 2 + 1], &value);
+               if (retval != ERROR_OK)
+                       goto error_return;
+
                int field_size = tap->ir_length;
                fields[i].num_bits = field_size;
-               fields[i].out_value = malloc(DIV_ROUND_UP(field_size, 8));
-
-               uint32_t value;
-               retval = parse_u32(CMD_ARGV[i * 2 + 1], &value);
-               if (ERROR_OK != retval)
+               uint8_t *v = calloc(1, DIV_ROUND_UP(field_size, 8));
+               if (!v) {
+                       LOG_ERROR("Out of memory");
                        goto error_return;
-void *v = (void *)fields[i].out_value;
-               buf_set_u32(v, 0, field_size, value);
+               }
+
+               buf_set_u64(v, 0, field_size, value);
+               fields[i].out_value = v;
                fields[i].in_value = NULL;
        }
 
@@ -1191,31 +1149,26 @@ void *v = (void *)fields[i].out_value;
 
 error_return:
        for (i = 0; i < num_fields; i++)
-       {
-               if (NULL != fields[i].out_value)
-                       free((void *)fields[i].out_value);
-       }
+               free((void *)fields[i].out_value);
 
-       free (fields);
+       free(fields);
 
        return retval;
 }
 
-
 COMMAND_HANDLER(handle_verify_ircapture_command)
 {
        if (CMD_ARGC > 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       if (CMD_ARGC == 1)
-       {
+       if (CMD_ARGC == 1) {
                bool enable;
                COMMAND_PARSE_ENABLE(CMD_ARGV[0], enable);
                jtag_set_verify_capture_ir(enable);
        }
 
-       const char *status = jtag_will_verify_capture_ir() ? "enabled": "disabled";
-       command_print(CMD_CTX, "verify Capture-IR is %s", status);
+       const char *status = jtag_will_verify_capture_ir() ? "enabled" : "disabled";
+       command_print(CMD, "verify Capture-IR is %s", status);
 
        return ERROR_OK;
 }
@@ -1225,15 +1178,14 @@ COMMAND_HANDLER(handle_verify_jtag_command)
        if (CMD_ARGC > 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       if (CMD_ARGC == 1)
-       {
+       if (CMD_ARGC == 1) {
                bool enable;
                COMMAND_PARSE_ENABLE(CMD_ARGV[0], enable);
                jtag_set_verify(enable);
        }
 
-       const char *status = jtag_will_verify() ? "enabled": "disabled";
-       command_print(CMD_CTX, "verify jtag capture is %s", status);
+       const char *status = jtag_will_verify() ? "enabled" : "disabled";
+       command_print(CMD, "verify jtag capture is %s", status);
 
        return ERROR_OK;
 }
@@ -1243,8 +1195,7 @@ COMMAND_HANDLER(handle_tms_sequence_command)
        if (CMD_ARGC > 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       if (CMD_ARGC == 1)
-       {
+       if (CMD_ARGC == 1) {
                bool use_new_table;
                if (strcmp(CMD_ARGV[0], "short") == 0)
                        use_new_table = true;
@@ -1256,8 +1207,8 @@ COMMAND_HANDLER(handle_tms_sequence_command)
                tap_use_new_tms_table(use_new_table);
        }
 
-       command_print(CMD_CTX, "tms sequence is  %s",
-                       tap_uses_new_tms_table() ? "short": "long");
+       command_print(CMD, "tms sequence is  %s",
+               tap_uses_new_tms_table() ? "short" : "long");
 
        return ERROR_OK;
 }
@@ -1282,29 +1233,24 @@ COMMAND_HANDLER(handle_wait_srst_deassert)
 
        int timeout_ms;
        COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], timeout_ms);
-       if ((timeout_ms <= 0) || (timeout_ms > 100000))
-       {
+       if ((timeout_ms <= 0) || (timeout_ms > 100000)) {
                LOG_ERROR("Timeout must be an integer between 0 and 100000");
                return ERROR_FAIL;
        }
 
        LOG_USER("Waiting for srst assert + deassert for at most %dms", timeout_ms);
        int asserted_yet;
-       long long then = timeval_ms();
-       while (jtag_srst_asserted(&asserted_yet) == ERROR_OK)
-       {
-               if ((timeval_ms() - then) > timeout_ms)
-               {
+       int64_t then = timeval_ms();
+       while (jtag_srst_asserted(&asserted_yet) == ERROR_OK) {
+               if ((timeval_ms() - then) > timeout_ms) {
                        LOG_ERROR("Timed out");
                        return ERROR_FAIL;
                }
                if (asserted_yet)
                        break;
        }
-       while (jtag_srst_asserted(&asserted_yet) == ERROR_OK)
-       {
-               if ((timeval_ms() - then) > timeout_ms)
-               {
+       while (jtag_srst_asserted(&asserted_yet) == ERROR_OK) {
+               if ((timeval_ms() - then) > timeout_ms) {
                        LOG_ERROR("Timed out");
                        return ERROR_FAIL;
                }
@@ -1315,8 +1261,6 @@ COMMAND_HANDLER(handle_wait_srst_deassert)
        return ERROR_OK;
 }
 
-
-
 static const struct command_registration jtag_command_handlers[] = {
 
        {
@@ -1324,7 +1268,7 @@ static const struct command_registration jtag_command_handlers[] = {
                .handler = handle_jtag_flush_queue_sleep,
                .mode = COMMAND_ANY,
                .help = "For debug purposes(simulate long delays of interface) "
-                               "to test performance or change in behavior. Default 0ms.",
+                       "to test performance or change in behavior. Default 0ms.",
                .usage = "[sleep in ms]",
        },
        {
@@ -1355,14 +1299,7 @@ static const struct command_registration jtag_command_handlers[] = {
                .handler = handle_scan_chain_command,
                .mode = COMMAND_ANY,
                .help = "print current scan chain configuration",
-       },
-       {
-               .name = "jtag_reset",
-               .handler = handle_jtag_reset_command,
-               .mode = COMMAND_EXEC,
-               .help = "Set reset line values.  Value '1' is active, "
-                       "value '0' is inactive.",
-               .usage = "trst_active srst_active",
+               .usage = ""
        },
        {
                .name = "runtest",
@@ -1375,7 +1312,7 @@ static const struct command_registration jtag_command_handlers[] = {
                .name = "irscan",
                .handler = handle_irscan_command,
                .mode = COMMAND_EXEC,
-               .help = "Execute Instruction Register (DR) scan.  The "
+               .help = "Execute Instruction Register (IR) 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]",
@@ -1403,7 +1340,7 @@ static const struct command_registration jtag_command_handlers[] = {
                .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... */
+               /* Specifically for working around DRIVER bugs... */
                .usage = "['short'|'long']",
        },
        {
@@ -1412,13 +1349,14 @@ static const struct command_registration jtag_command_handlers[] = {
                .mode = COMMAND_ANY,
                .help = "Wait for an SRST deassert. "
                        "Useful for cases where you need something to happen within ms "
-                       "of an srst deassert. Timeout in ms ",
+                       "of an srst deassert. Timeout in ms",
                .usage = "ms",
        },
        {
                .name = "jtag",
                .mode = COMMAND_ANY,
                .help = "perform jtag tap actions",
+               .usage = "",
 
                .chain = jtag_subcommand_handlers,
        },