target/arc: Introduce Actionpoints support

[fw/openocd] / src / target / arc_cmd.c

diff --git a/src/target/arc_cmd.c b/src/target/arc_cmd.c
index 59e1645d67cbfebf9c1db1caa8e8f2fc29fef834..a1d5a0936a238a7c41473b6749bea16fe4d246e1 100644 (file)
--- a/src/target/arc_cmd.c
+++ b/src/target/arc_cmd.c
@@ -929,6 +929,50 @@ COMMAND_HANDLER(arc_l2_cache_disable_auto_cmd)
                &arc->has_l2cache, "target has l2 cache enabled");
 }
 
+static int jim_handle_actionpoints_num(Jim_Interp *interp, int argc,
+       Jim_Obj * const *argv)
+{
+       Jim_GetOptInfo goi;
+       Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
+
+       LOG_DEBUG("-");
+
+       if (goi.argc >= 2) {
+               Jim_WrongNumArgs(interp, goi.argc, goi.argv, "[<unsigned integer>]");
+               return JIM_ERR;
+       }
+
+       struct command_context *context = current_command_context(interp);
+       assert(context);
+
+       struct target *target = get_current_target(context);
+
+       if (!target) {
+               Jim_SetResultFormatted(goi.interp, "No current target");
+               return JIM_ERR;
+       }
+
+       struct arc_common *arc = target_to_arc(target);
+       /* It is not possible to pass &arc->actionpoints_num directly to
+        * handle_command_parse_uint, because this value should be valid during
+        * "actionpoint reset, initiated by arc_set_actionpoints_num.  */
+       uint32_t ap_num = arc->actionpoints_num;
+
+       if (goi.argc == 1) {
+               JIM_CHECK_RETVAL(arc_cmd_jim_get_uint32(&goi, &ap_num));
+               int e = arc_set_actionpoints_num(target, ap_num);
+               if (e != ERROR_OK) {
+                       Jim_SetResultFormatted(goi.interp,
+                               "Failed to set number of actionpoints");
+                       return JIM_ERR;
+               }
+       }
+
+       Jim_SetResultInt(interp, ap_num);
+
+       return JIM_OK;
+}
+
 /* ----- Exported target commands ------------------------------------------ */
 
 const struct command_registration arc_l2_cache_group_handlers[] = {
@@ -1024,6 +1068,13 @@ static const struct command_registration arc_core_command_handlers[] = {
                .usage = "",
                .chain = arc_cache_group_handlers,
        },
+       {
+               .name = "num-actionpoints",
+               .jim_handler = jim_handle_actionpoints_num,
+               .mode = COMMAND_ANY,
+               .usage = "[<unsigned integer>]",
+               .help = "Prints or sets amount of actionpoints in the processor.",
+       },
        COMMAND_REGISTRATION_DONE
 };