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-rw-r--r--src/xsvf/xsvf.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/src/xsvf/xsvf.c b/src/xsvf/xsvf.c
index d732871a..e86afbb8 100644
--- a/src/xsvf/xsvf.c
+++ b/src/xsvf/xsvf.c
@@ -5,6 +5,9 @@
* Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
+ * Copyright (C) 2008 Peter Hettkamp *
+ * peter.hettkamp@htp-tel.de *
+ * *
* 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 *
@@ -86,6 +89,11 @@ void xsvf_add_statemove(enum tap_state state)
if ((state != TAP_TLR) && (state == cmd_queue_cur_state))
return;
+ if(state==TAP_TLR)
+ {
+ jtag_add_tlr();
+ return;
+ }
for (i=0; i<7; i++)
{
int j = (move >> i) & 1;
@@ -401,7 +409,27 @@ int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
do_abort = 1;
else
{
- jtag_add_pathmove(path_len, path);
+ int i,lasti;
+ /* here the trick is that jtag_add_pathmove() must end in a stable
+ state, so we must only invoke jtag_add_tlr() when we absolutely
+ have to
+ */
+ for(i=0,lasti=0;i<path_len;i++)
+ {
+ if(path[i]==TAP_TLR)
+ {
+ if(i>lasti)
+ {
+ jtag_add_pathmove(i-lasti,path+lasti);
+ }
+ lasti=i+1;
+ jtag_add_tlr();
+ }
+ }
+ if(i>=lasti)
+ {
+ jtag_add_pathmove(i-lasti, path+lasti);
+ }
}
free(path);
}