jtag: rewrite command 'flush_count' as COMMAND_HANDLER

While there:
- check the number of command parameters;
- add the mandatory 'usage' field.

Change-Id: I7cd16f049753caedf19f313f7dc84be98efdba42
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7497
Tested-by: jenkins

diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c
index c6ca048104258f662a65024ef3ba853767176e42..b3cbc48b4961b1cc2db5379d53212f45fbba2164 100644 (file)
--- a/src/jtag/tcl.c
+++ b/src/jtag/tcl.c
@@ -249,12 +249,15 @@ static int jim_command_pathmove(Jim_Interp *interp, int argc, Jim_Obj * const *a
        return JIM_OK;
 }
 
-
-static int jim_command_flush_count(Jim_Interp *interp, int argc, Jim_Obj * const *args)
+COMMAND_HANDLER(handle_jtag_flush_count)
 {
-       Jim_SetResult(interp, Jim_NewIntObj(interp, jtag_get_flush_queue_count()));
+       if (CMD_ARGC != 0)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
-       return JIM_OK;
+       int count = jtag_get_flush_queue_count();
+       command_print_sameline(CMD, "%d", count);
+
+       return ERROR_OK;
 }
 
 /* REVISIT Just what about these should "move" ... ?
@@ -279,9 +282,10 @@ static const struct command_registration jtag_command_handlers_to_move[] = {
        {
                .name = "flush_count",
                .mode = COMMAND_EXEC,
-               .jim_handler = jim_command_flush_count,
+               .handler = handle_jtag_flush_count,
                .help = "Returns the number of times the JTAG queue "
                        "has been flushed.",
+               .usage = "",
        },
        {
                .name = "pathmove",