jtag/tcl: Avoid casting away const
[openocd.git] / src / jtag / tcl.c
index 3b2f83b5aef4b6a3c063cdf2ba82b1c6a9cd4d34..b95bf75665c26f538e91ef424b3289c2ca7fdaac 100644 (file)
  *   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.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #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>
@@ -48,8 +51,8 @@
  */
 
 static const Jim_Nvp nvp_jtag_tap_event[] = {
-       { .value = JTAG_TRST_ASSERTED,          .name = "post-reset" },
-       { .value = JTAG_TAP_EVENT_SETUP,        .name = "setup" },
+       { .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" },
 
@@ -71,15 +74,14 @@ struct jtag_tap *jtag_tap_by_jim_obj(Jim_Interp *interp, Jim_Obj *o)
 
 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;
        }
 }
 
@@ -102,8 +104,7 @@ 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;
        }
@@ -114,16 +115,14 @@ static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *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)) {
@@ -147,11 +146,11 @@ 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;
@@ -161,20 +160,20 @@ 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 == NULL)
                return JIM_ERR;
-       }
 
        num_fields = (argc-2)/2;
+       assert(num_fields > 0);
        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;
@@ -183,7 +182,7 @@ 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;
@@ -193,22 +192,20 @@ 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);
                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);
+               free(fields[field_count].in_value);
 
                Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
                free(str);
@@ -227,8 +224,7 @@ static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *ar
 {
        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;
        }
@@ -236,30 +232,26 @@ static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *ar
        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;
        }
 
@@ -324,25 +316,26 @@ static Jim_Nvp nvp_config_opts[] = {
        { .name = NULL,          .value = -1 }
 };
 
-static int jtag_tap_configure_event(Jim_GetOptInfo *goi, struct jtag_tap * tap)
+static int jtag_tap_configure_event(Jim_GetOptInfo *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)
-       {
+       if (e != JIM_OK) {
                Jim_GetOpt_NvpUnknown(goi, nvp_jtag_tap_event, 1);
                return e;
        }
 
        if (goi->isconfigure) {
                if (goi->argc != 1) {
-                       Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event <event-name> <event-body>");
+                       Jim_WrongNumArgs(goi->interp,
+                               goi->argc,
+                               goi->argv,
+                               "-event <event-name> <event-body>");
                        return JIM_ERR;
                }
        } else {
@@ -355,10 +348,8 @@ 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;
                }
@@ -367,8 +358,7 @@ 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)
@@ -382,15 +372,12 @@ static int jtag_tap_configure_event(Jim_GetOptInfo *goi, struct jtag_tap * tap)
                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));
@@ -398,31 +385,28 @@ 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(Jim_GetOptInfo *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)
-               {
+               if (e != JIM_OK) {
                        Jim_GetOpt_NvpUnknown(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;
+                       default:
+                               Jim_SetResultFormatted(goi->interp, "unknown event: %s", n->name);
+                               return JIM_ERR;
                }
        }
 
@@ -440,7 +424,7 @@ static int is_bad_irval(int ir_length, jim_wide w)
 }
 
 static int jim_newtap_expected_id(Jim_Nvp *n, Jim_GetOptInfo *goi,
-               struct jtag_tap *pTap)
+       struct jtag_tap *pTap)
 {
        jim_wide w;
        int e = Jim_GetOpt_Wide(goi, &w);
@@ -451,8 +435,7 @@ static int jim_newtap_expected_id(Jim_Nvp *n, Jim_GetOptInfo *goi,
 
        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)
-       {
+       if (new_expected_ids == NULL) {
                Jim_SetResultFormatted(goi->interp, "no memory");
                return JIM_ERR;
        }
@@ -477,52 +460,47 @@ static int jim_newtap_expected_id(Jim_Nvp *n, Jim_GetOptInfo *goi,
 #define NTAP_OPT_VERSION   6
 
 static int jim_newtap_ir_param(Jim_Nvp *n, Jim_GetOptInfo *goi,
-               struct jtag_tap *pTap)
+       struct jtag_tap *pTap)
 {
        jim_wide w;
        int e = Jim_GetOpt_Wide(goi, &w);
-       if (e != JIM_OK)
-       {
+       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(pTap->ir_capture_value))) {
+                           LOG_WARNING("%s: huge IR length %d",
+                                   pTap->dotted_name, (int) w);
+                   }
+                   pTap->ir_length = w;
+                   break;
+           case NTAP_OPT_IRMASK:
+                   if (is_bad_irval(pTap->ir_length, w)) {
+                           LOG_ERROR("%s: IR mask %x too big",
+                                   pTap->dotted_name,
+                                   (int) w);
+                           return JIM_ERR;
+                   }
+                   if ((w & 3) != 3)
+                           LOG_WARNING("%s: nonstandard IR mask", pTap->dotted_name);
+                   pTap->ir_capture_mask = w;
+                   break;
+           case NTAP_OPT_IRCAPTURE:
+                   if (is_bad_irval(pTap->ir_length, w)) {
+                           LOG_ERROR("%s: IR capture %x too big",
+                                   pTap->dotted_name, (int) w);
+                           return JIM_ERR;
+                   }
+                   if ((w & 3) != 1)
+                           LOG_WARNING("%s: nonstandard IR value",
+                                   pTap->dotted_name);
+                   pTap->ir_capture_value = w;
+                   break;
+           default:
+                   return JIM_ERR;
        }
        return JIM_OK;
 }
@@ -535,14 +513,14 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
        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 },
+               { .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 },
        };
 
        pTap = calloc(1, sizeof(struct jtag_tap));
@@ -572,7 +550,7 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
        pTap->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);
+               pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc);
 
        /* IEEE specifies that the two LSBs of an IR scan are 01, so make
         * that the default.  The "-irlen" and "-irmask" options are only
@@ -591,90 +569,84 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
                }
                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:
+                           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) */
 
        /* default is enabled-after-reset */
        pTap->enabled = !pTap->disabled_after_reset;
 
        /* Did all the required option bits get cleared? */
-       if (pTap->ir_length != 0)
-       {
+       if (pTap->ir_length != 0) {
                jtag_tap_init(pTap);
                return JIM_OK;
        }
 
        Jim_SetResultFormatted(goi->interp,
-                       "newtap: %s missing IR length",
-                       pTap->dotted_name);
+               "newtap: %s missing IR length",
+               pTap->dotted_name);
        jtag_tap_free(pTap);
        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;
 
-       for (jteap = tap->event_action; jteap != NULL; jteap = jteap->next)
-       {
+       for (jteap = tap->event_action; jteap != NULL; jteap = jteap->next) {
                if (jteap->event != e)
                        continue;
 
                Jim_Nvp *nvp = Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e);
                LOG_DEBUG("JTAG tap: %s event: %d (%s)\n\taction: %s",
-                               tap->dotted_name, e, nvp->name,
-                               Jim_GetString(jteap->body, NULL));
+                       tap->dotted_name, e, nvp->name,
+                       Jim_GetString(jteap->body, NULL));
 
-               if (Jim_EvalObj(jteap->interp, jteap->body) != JIM_OK)
-               {
+               if (Jim_EvalObj(jteap->interp, jteap->body) != 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;
                }
        }
 }
@@ -700,6 +672,7 @@ 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)
 {
+       int e = ERROR_OK;
        Jim_GetOptInfo goi;
        Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
        if (goi.argc != 0) {
@@ -707,7 +680,11 @@ static int jim_jtag_arp_init_reset(Jim_Interp *interp, int argc, Jim_Obj *const
                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);
@@ -755,7 +732,7 @@ 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;
@@ -772,17 +749,17 @@ static int jim_jtag_tap_enabler(Jim_Interp *interp, int argc, Jim_Obj *const *ar
                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;
@@ -792,7 +769,7 @@ 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;
@@ -800,7 +777,7 @@ static int jim_jtag_configure(Jim_Interp *interp, int argc, Jim_Obj *const *argv
        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;
        }
 
@@ -809,9 +786,8 @@ static int jim_jtag_configure(Jim_Interp *interp, int argc, Jim_Obj *const *argv
        Jim_Obj *o;
        Jim_GetOpt_Obj(&goi, &o);
        t = jtag_tap_by_jim_obj(goi.interp, o);
-       if (t == NULL) {
+       if (t == NULL)
                return JIM_ERR;
-       }
 
        return jtag_tap_configure_cmd(&goi, t);
 }
@@ -841,9 +817,8 @@ 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;
        }
@@ -859,6 +834,7 @@ 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",
@@ -956,17 +932,17 @@ COMMAND_HANDLER(handle_scan_chain_command)
 
        tap = jtag_all_taps();
        command_print(CMD_CTX,
-"   TapName             Enabled  IdCode     Expected   IrLen IrCap IrMask");
+               "   TapName             Enabled  IdCode     Expected   IrLen IrCap IrMask");
        command_print(CMD_CTX,
-"-- ------------------- -------- ---------- ---------- ----- ----- ------");
+               "-- ------------------- -------- ---------- ---------- ----- ----- ------");
 
        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));
+                       (unsigned)((tap->expected_ids_cnt > 0)
+                                  ? tap->expected_ids[0]
+                                  : 0));
                if (tap->ignore_version)
                        expected_id[2] = '*';
 
@@ -974,25 +950,25 @@ COMMAND_HANDLER(handle_scan_chain_command)
                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));
+                       "%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]);
+                               (unsigned) tap->expected_ids[ii]);
                        if (tap->ignore_version)
                                expected_id[2] = '*';
 
                        command_print(CMD_CTX,
-       "                                           %s",
-                                                 expected_id);
+                               "                                           %s",
+                               expected_id);
                }
 
                tap = tap->next_tap;
@@ -1005,8 +981,7 @@ 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);
 
@@ -1020,8 +995,7 @@ 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);
 
@@ -1037,8 +1011,7 @@ 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);
 
@@ -1116,9 +1089,7 @@ 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
@@ -1127,22 +1098,21 @@ 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.
                 */
@@ -1150,20 +1120,13 @@ 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);
+               if (tap == NULL) {
+                       free(fields);
                        command_print(CMD_CTX, "Tap: %s unknown", CMD_ARGV[i*2]);
 
                        return ERROR_FAIL;
@@ -1172,12 +1135,12 @@ COMMAND_HANDLER(handle_irscan_command)
                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);
+               uint64_t value;
+               retval = parse_u64(CMD_ARGV[i * 2 + 1], &value);
                if (ERROR_OK != retval)
                        goto error_return;
-void *v = (void *)fields[i].out_value;
-               buf_set_u32(v, 0, field_size, value);
+               void *v = (void *)fields[i].out_value;
+               buf_set_u64(v, 0, field_size, value);
                fields[i].in_value = NULL;
        }
 
@@ -1187,31 +1150,28 @@ void *v = (void *)fields[i].out_value;
        retval = jtag_execute_queue();
 
 error_return:
-       for (i = 0; i < num_fields; i++)
-       {
+       for (i = 0; i < num_fields; i++) {
                if (NULL != 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";
+       const char *status = jtag_will_verify_capture_ir() ? "enabled" : "disabled";
        command_print(CMD_CTX, "verify Capture-IR is %s", status);
 
        return ERROR_OK;
@@ -1222,14 +1182,13 @@ 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";
+       const char *status = jtag_will_verify() ? "enabled" : "disabled";
        command_print(CMD_CTX, "verify jtag capture is %s", status);
 
        return ERROR_OK;
@@ -1240,8 +1199,7 @@ 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;
@@ -1254,7 +1212,7 @@ COMMAND_HANDLER(handle_tms_sequence_command)
        }
 
        command_print(CMD_CTX, "tms sequence is  %s",
-                       tap_uses_new_tms_table() ? "short": "long");
+               tap_uses_new_tms_table() ? "short" : "long");
 
        return ERROR_OK;
 }
@@ -1279,8 +1237,7 @@ 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;
        }
@@ -1288,20 +1245,16 @@ COMMAND_HANDLER(handle_wait_srst_deassert)
        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)
-               {
+       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;
                }
@@ -1312,8 +1265,6 @@ COMMAND_HANDLER(handle_wait_srst_deassert)
        return ERROR_OK;
 }
 
-
-
 static const struct command_registration jtag_command_handlers[] = {
 
        {
@@ -1321,7 +1272,7 @@ 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]",
        },
        {
@@ -1352,6 +1303,7 @@ static const struct command_registration jtag_command_handlers[] = {
                .handler = handle_scan_chain_command,
                .mode = COMMAND_ANY,
                .help = "print current scan chain configuration",
+               .usage = ""
        },
        {
                .name = "jtag_reset",
@@ -1400,7 +1352,7 @@ 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']",
        },
        {
@@ -1416,6 +1368,7 @@ static const struct command_registration jtag_command_handlers[] = {
                .name = "jtag",
                .mode = COMMAND_ANY,
                .help = "perform jtag tap actions",
+               .usage = "",
 
                .chain = jtag_subcommand_handlers,
        },

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