fixed gaffe: disable interrupts reset init script

[openocd.git] / src / target / cortex_swjdp.c

diff --git a/src/target/cortex_swjdp.c b/src/target/cortex_swjdp.c
index 0b20bf6316e9e7491c9802aae4e3092e4848308a..91367fcea4e200032c9e6227330160472e081c85 100644 (file)
--- a/src/target/cortex_swjdp.c
+++ b/src/target/cortex_swjdp.c
@@ -2,6 +2,9 @@
  *   Copyright (C) 2006 by Magnus Lundin                                   *
  *   lundin@mlu.mine.nu                                                    *
  *                                                                         *
+ *   Copyright (C) 2008 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
  *   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     *
@@ -177,7 +180,19 @@ int swjdp_transaction_endcheck(swjdp_common_t *swjdp)
 
        keep_alive();
        
+       /* Danger!!!! BROKEN!!!! */
        scan_inout_check_u32(swjdp, SWJDP_IR_DPACC, DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat);
+       /* Danger!!!! BROKEN!!!! Why will jtag_execute_queue() fail here???? 
+       R956 introduced the check on return value here and now Michael Schwingen reports
+       that this code no longer works....
+
+       https://lists.berlios.de/pipermail/openocd-development/2008-September/003107.html
+       */
+       if ((retval=jtag_execute_queue())!=ERROR_OK)
+       {
+               LOG_ERROR("BUG: Why does this fail the first time????");
+       }
+       /* Why??? second time it works??? */
        scan_inout_check_u32(swjdp, SWJDP_IR_DPACC, DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat);
        if ((retval=jtag_execute_queue())!=ERROR_OK)
                return retval;