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-rw-r--r--src/xsvf/xsvf.c53
1 files changed, 42 insertions, 11 deletions
diff --git a/src/xsvf/xsvf.c b/src/xsvf/xsvf.c
index d9b63163..09736af6 100644
--- a/src/xsvf/xsvf.c
+++ b/src/xsvf/xsvf.c
@@ -66,6 +66,37 @@ int tap_to_xsvf[] =
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;
+ 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,
@@ -203,13 +234,13 @@ int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
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);
}
@@ -242,13 +273,13 @@ int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
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 */
@@ -316,13 +347,13 @@ int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
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;
@@ -451,10 +482,10 @@ int handle_xsvf_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
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: