* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * 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 *
0x0, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x1, 0x9, 0xa, 0xb, 0xc, 0xe, 0xf
};
+
+/* xsvf has it's own definition of a statemove. This needs
+ * to be handled according to the specs, which has nothing
+ * to do with the JTAG spec or OpenOCD as such.
+ *
+ * Implemented via jtag_add_pathmove().
+ */
+void xsvf_add_statemove(enum tap_state state)
+{
+ enum tap_state moves[7]; /* max # of transitions */
+ int i;
+ enum tap_state curstate = cmd_queue_cur_state;
+ u8 move = TAP_MOVE(cmd_queue_cur_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;
+ if (j)
+ {
+ curstate = tap_transitions[curstate].high;
+ } else
+ {
+ curstate = tap_transitions[curstate].low;
+ }
+ moves[i] = curstate;
+ }
+
+ jtag_add_pathmove(7, moves);
+}
+
int xsvf_register_commands(struct command_context_s *cmd_ctx)
{
register_command(cmd_ctx, NULL, "xsvf", handle_xsvf_command,
jtag_add_runtest(xruntest, xsvf_to_tap[xendir]);
else
{
- jtag_add_statemove(TAP_RTI);
+ xsvf_add_statemove(TAP_RTI);
jtag_add_sleep(xruntest);
- jtag_add_statemove(xsvf_to_tap[xendir]);
+ xsvf_add_statemove(xsvf_to_tap[xendir]);
}
}
else if (xendir != 0xd) /* Pause-IR */
- jtag_add_statemove(xsvf_to_tap[xendir]);
+ xsvf_add_statemove(xsvf_to_tap[xendir]);
}
free(ir_buf);
}
jtag_add_runtest(xruntest, xsvf_to_tap[xenddr]);
else
{
- jtag_add_statemove(TAP_RTI);
+ xsvf_add_statemove(TAP_RTI);
jtag_add_sleep(xruntest);
- jtag_add_statemove(xsvf_to_tap[xenddr]);
+ xsvf_add_statemove(xsvf_to_tap[xenddr]);
}
}
else if (xendir != 0x6) /* Pause-DR */
- jtag_add_statemove(xsvf_to_tap[xenddr]);
+ xsvf_add_statemove(xsvf_to_tap[xenddr]);
}
break;
case 0x04: /* XRUNTEST */
jtag_add_runtest(xruntest, xsvf_to_tap[xenddr]);
else
{
- jtag_add_statemove(TAP_RTI);
+ xsvf_add_statemove(TAP_RTI);
jtag_add_sleep(xruntest);
- jtag_add_statemove(xsvf_to_tap[xenddr]);
+ xsvf_add_statemove(xsvf_to_tap[xenddr]);
}
}
else if (xendir != 0x6) /* Pause-DR */
- jtag_add_statemove(xsvf_to_tap[xenddr]);
+ xsvf_add_statemove(xsvf_to_tap[xenddr]);
}
}
break;
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);
}
do_abort = 1;
else
{
- jtag_add_statemove(xsvf_to_tap[uc]);
+ xsvf_add_statemove(xsvf_to_tap[uc]);
ui = be_to_h_u32(buf4);
jtag_add_sleep(ui);
- jtag_add_statemove(xsvf_to_tap[uc2]);
+ xsvf_add_statemove(xsvf_to_tap[uc2]);
}
break;
default: