FSPless continous tracing support

  - Updated trace daemon to output trace buf addr, size to
    mbox scratch 1, 2
  - Moved enable disable of continous trace to "istep" control
  - Updated istep tool to dump traces to file and commandline

Change-Id: I2d9f48f5ed9878591ff9ab45fa18a98fc286ac1f
RTC:127346
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/24565
Tested-by: Jenkins Server
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Tested-by: FSP CI Jenkins
Reviewed-by: Prachi Gupta <pragupta@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/src/usr/trace/daemonif.C b/src/usr/trace/daemonif.C
index 427b2c0bc..c6dd79219 100644
--- a/src/usr/trace/daemonif.C
+++ b/src/usr/trace/daemonif.C
@@ -5,7 +5,9 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* COPYRIGHT International Business Machines Corp. 2012,2014              */
+/* Contributors Listed Below - COPYRIGHT 2012,2016                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
 /*                                                                        */
 /* Licensed under the Apache License, Version 2.0 (the "License");        */
 /* you may not use this file except in compliance with the License.       */
@@ -64,4 +66,13 @@ namespace TRACE
         }
     }
 
+    void DaemonIf::continousMode(bool i_enable)
+    {
+        msg_t* msg = msg_allocate();
+        msg->type = TRACE_CONT_TRACE_STATE;
+        msg->data[0] = i_enable ? 0x1 : 0x0; //needs to be a zero/one
+        msg_sendrecv(iv_queue, msg);
+        msg_free(msg);
+    }
+
 }